initial commit

27 files changed, 11270 insertions, 0 deletions

diff --git a/lib/python2.7/lib2to3/tests/__init__.py b/lib/python2.7/lib2to3/tests/__init__.py
new file mode 100644
index 0000000..cfaea0d
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/__init__.py
@@ -0,0 +1,24 @@
+"""Make tests/ into a package. This allows us to "import tests" and
+have tests.all_tests be a TestSuite representing all test cases
+from all test_*.py files in tests/."""
+# Author: Collin Winter
+
+import os
+import os.path
+import unittest
+import types
+
+from . import support
+
+all_tests = unittest.TestSuite()
+
+tests_dir = os.path.join(os.path.dirname(__file__), '..', 'tests')
+tests = [t[0:-3] for t in os.listdir(tests_dir)
+                        if t.startswith('test_') and t.endswith('.py')]
+
+loader = unittest.TestLoader()
+
+for t in tests:
+    __import__("",globals(),locals(),[t],level=1)
+    mod = globals()[t]
+    all_tests.addTests(loader.loadTestsFromModule(mod))
diff --git a/lib/python2.7/lib2to3/tests/data/README b/lib/python2.7/lib2to3/tests/data/README
new file mode 100644
index 0000000..7aa47e4
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/README
@@ -0,0 +1,6 @@
+In this directory:
+- py2_test_grammar.py -- test file that exercises most/all of Python 2.x's grammar.
+- py3_test_grammar.py -- test file that exercises most/all of Python 3.x's grammar.
+- infinite_recursion.py -- test file that causes lib2to3's faster recursive pattern matching
+  scheme to fail, but passes when lib2to3 falls back to iterative pattern matching.
+- fixes/ -- for use by test_refactor.py
diff --git a/lib/python2.7/lib2to3/tests/data/bom.py b/lib/python2.7/lib2to3/tests/data/bom.py
new file mode 100644
index 0000000..9bc3975
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/bom.py
@@ -0,0 +1,2 @@
+# coding: utf-8
+print "BOM BOOM!"
diff --git a/lib/python2.7/lib2to3/tests/data/crlf.py b/lib/python2.7/lib2to3/tests/data/crlf.py
new file mode 100644
index 0000000..dbe2d7b
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/crlf.py
@@ -0,0 +1,3 @@
+print "hi"
+
+print "Like bad Windows newlines?"
diff --git a/lib/python2.7/lib2to3/tests/data/different_encoding.py b/lib/python2.7/lib2to3/tests/data/different_encoding.py
new file mode 100644
index 0000000..4dc1d7b
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/different_encoding.py
@@ -0,0 +1,6 @@
+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+print u'ßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞ'
+
+def f(x):
+    print '%s\t->  α(%2i):%s  β(%s)'
diff --git a/lib/python2.7/lib2to3/tests/data/false_encoding.py b/lib/python2.7/lib2to3/tests/data/false_encoding.py
new file mode 100644
index 0000000..6223b39
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/false_encoding.py
@@ -0,0 +1,2 @@
+#!/usr/bin/env python2
+print '#coding=0'
diff --git a/lib/python2.7/lib2to3/tests/data/fixers/bad_order.py b/lib/python2.7/lib2to3/tests/data/fixers/bad_order.py
new file mode 100644
index 0000000..061bbf2
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/fixers/bad_order.py
@@ -0,0 +1,5 @@
+from lib2to3.fixer_base import BaseFix
+
+class FixBadOrder(BaseFix):
+
+    order = "crazy"
diff --git a/lib/python2.7/lib2to3/tests/data/fixers/myfixes/__init__.py b/lib/python2.7/lib2to3/tests/data/fixers/myfixes/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/fixers/myfixes/__init__.py
diff --git a/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_explicit.py b/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_explicit.py
new file mode 100644
index 0000000..cbe16f6
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_explicit.py
@@ -0,0 +1,6 @@
+from lib2to3.fixer_base import BaseFix
+
+class FixExplicit(BaseFix):
+    explicit = True
+
+    def match(self): return False
diff --git a/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_first.py b/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_first.py
new file mode 100644
index 0000000..a88821f
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_first.py
@@ -0,0 +1,6 @@
+from lib2to3.fixer_base import BaseFix
+
+class FixFirst(BaseFix):
+    run_order = 1
+
+    def match(self, node): return False
diff --git a/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_last.py b/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_last.py
new file mode 100644
index 0000000..9a077d4
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_last.py
@@ -0,0 +1,7 @@
+from lib2to3.fixer_base import BaseFix
+
+class FixLast(BaseFix):
+
+    run_order = 10
+
+    def match(self, node): return False
diff --git a/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_parrot.py b/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_parrot.py
new file mode 100644
index 0000000..6db79ad
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_parrot.py
@@ -0,0 +1,13 @@
+from lib2to3.fixer_base import BaseFix
+from lib2to3.fixer_util import Name
+
+class FixParrot(BaseFix):
+    """
+    Change functions named 'parrot' to 'cheese'.
+    """
+
+    PATTERN = """funcdef < 'def' name='parrot' any* >"""
+
+    def transform(self, node, results):
+        name = results["name"]
+        name.replace(Name("cheese", name.prefix))
diff --git a/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_preorder.py b/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_preorder.py
new file mode 100644
index 0000000..b9bfbba
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/fixers/myfixes/fix_preorder.py
@@ -0,0 +1,6 @@
+from lib2to3.fixer_base import BaseFix
+
+class FixPreorder(BaseFix):
+    order = "pre"
+
+    def match(self, node): return False
diff --git a/lib/python2.7/lib2to3/tests/data/fixers/no_fixer_cls.py b/lib/python2.7/lib2to3/tests/data/fixers/no_fixer_cls.py
new file mode 100644
index 0000000..506f794
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/fixers/no_fixer_cls.py
@@ -0,0 +1 @@
+# This is empty so trying to fetch the fixer class gives an AttributeError
diff --git a/lib/python2.7/lib2to3/tests/data/fixers/parrot_example.py b/lib/python2.7/lib2to3/tests/data/fixers/parrot_example.py
new file mode 100644
index 0000000..0852928
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/fixers/parrot_example.py
@@ -0,0 +1,2 @@
+def parrot():
+    pass
diff --git a/lib/python2.7/lib2to3/tests/data/infinite_recursion.py b/lib/python2.7/lib2to3/tests/data/infinite_recursion.py
new file mode 100644
index 0000000..71715ef
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/infinite_recursion.py
@@ -0,0 +1,2669 @@
+# This file is used to verify that 2to3 falls back to a slower, iterative pattern matching
+# scheme in the event that the faster recursive system fails due to infinite recursion.
+from ctypes import *
+STRING = c_char_p
+
+
+OSUnknownByteOrder = 0
+UIT_PROMPT = 1
+P_PGID = 2
+P_PID = 1
+UIT_ERROR = 5
+UIT_INFO = 4
+UIT_NONE = 0
+P_ALL = 0
+UIT_VERIFY = 2
+OSBigEndian = 2
+UIT_BOOLEAN = 3
+OSLittleEndian = 1
+__darwin_nl_item = c_int
+__darwin_wctrans_t = c_int
+__darwin_wctype_t = c_ulong
+__int8_t = c_byte
+__uint8_t = c_ubyte
+__int16_t = c_short
+__uint16_t = c_ushort
+__int32_t = c_int
+__uint32_t = c_uint
+__int64_t = c_longlong
+__uint64_t = c_ulonglong
+__darwin_intptr_t = c_long
+__darwin_natural_t = c_uint
+__darwin_ct_rune_t = c_int
+class __mbstate_t(Union):
+    pass
+__mbstate_t._pack_ = 4
+__mbstate_t._fields_ = [
+    ('__mbstate8', c_char * 128),
+    ('_mbstateL', c_longlong),
+]
+assert sizeof(__mbstate_t) == 128, sizeof(__mbstate_t)
+assert alignment(__mbstate_t) == 4, alignment(__mbstate_t)
+__darwin_mbstate_t = __mbstate_t
+__darwin_ptrdiff_t = c_int
+__darwin_size_t = c_ulong
+__darwin_va_list = STRING
+__darwin_wchar_t = c_int
+__darwin_rune_t = __darwin_wchar_t
+__darwin_wint_t = c_int
+__darwin_clock_t = c_ulong
+__darwin_socklen_t = __uint32_t
+__darwin_ssize_t = c_long
+__darwin_time_t = c_long
+sig_atomic_t = c_int
+class sigcontext(Structure):
+    pass
+sigcontext._fields_ = [
+    ('sc_onstack', c_int),
+    ('sc_mask', c_int),
+    ('sc_eax', c_uint),
+    ('sc_ebx', c_uint),
+    ('sc_ecx', c_uint),
+    ('sc_edx', c_uint),
+    ('sc_edi', c_uint),
+    ('sc_esi', c_uint),
+    ('sc_ebp', c_uint),
+    ('sc_esp', c_uint),
+    ('sc_ss', c_uint),
+    ('sc_eflags', c_uint),
+    ('sc_eip', c_uint),
+    ('sc_cs', c_uint),
+    ('sc_ds', c_uint),
+    ('sc_es', c_uint),
+    ('sc_fs', c_uint),
+    ('sc_gs', c_uint),
+]
+assert sizeof(sigcontext) == 72, sizeof(sigcontext)
+assert alignment(sigcontext) == 4, alignment(sigcontext)
+u_int8_t = c_ubyte
+u_int16_t = c_ushort
+u_int32_t = c_uint
+u_int64_t = c_ulonglong
+int32_t = c_int
+register_t = int32_t
+user_addr_t = u_int64_t
+user_size_t = u_int64_t
+int64_t = c_longlong
+user_ssize_t = int64_t
+user_long_t = int64_t
+user_ulong_t = u_int64_t
+user_time_t = int64_t
+syscall_arg_t = u_int64_t
+
+# values for unnamed enumeration
+class aes_key_st(Structure):
+    pass
+aes_key_st._fields_ = [
+    ('rd_key', c_ulong * 60),
+    ('rounds', c_int),
+]
+assert sizeof(aes_key_st) == 244, sizeof(aes_key_st)
+assert alignment(aes_key_st) == 4, alignment(aes_key_st)
+AES_KEY = aes_key_st
+class asn1_ctx_st(Structure):
+    pass
+asn1_ctx_st._fields_ = [
+    ('p', POINTER(c_ubyte)),
+    ('eos', c_int),
+    ('error', c_int),
+    ('inf', c_int),
+    ('tag', c_int),
+    ('xclass', c_int),
+    ('slen', c_long),
+    ('max', POINTER(c_ubyte)),
+    ('q', POINTER(c_ubyte)),
+    ('pp', POINTER(POINTER(c_ubyte))),
+    ('line', c_int),
+]
+assert sizeof(asn1_ctx_st) == 44, sizeof(asn1_ctx_st)
+assert alignment(asn1_ctx_st) == 4, alignment(asn1_ctx_st)
+ASN1_CTX = asn1_ctx_st
+class asn1_object_st(Structure):
+    pass
+asn1_object_st._fields_ = [
+    ('sn', STRING),
+    ('ln', STRING),
+    ('nid', c_int),
+    ('length', c_int),
+    ('data', POINTER(c_ubyte)),
+    ('flags', c_int),
+]
+assert sizeof(asn1_object_st) == 24, sizeof(asn1_object_st)
+assert alignment(asn1_object_st) == 4, alignment(asn1_object_st)
+ASN1_OBJECT = asn1_object_st
+class asn1_string_st(Structure):
+    pass
+asn1_string_st._fields_ = [
+    ('length', c_int),
+    ('type', c_int),
+    ('data', POINTER(c_ubyte)),
+    ('flags', c_long),
+]
+assert sizeof(asn1_string_st) == 16, sizeof(asn1_string_st)
+assert alignment(asn1_string_st) == 4, alignment(asn1_string_st)
+ASN1_STRING = asn1_string_st
+class ASN1_ENCODING_st(Structure):
+    pass
+ASN1_ENCODING_st._fields_ = [
+    ('enc', POINTER(c_ubyte)),
+    ('len', c_long),
+    ('modified', c_int),
+]
+assert sizeof(ASN1_ENCODING_st) == 12, sizeof(ASN1_ENCODING_st)
+assert alignment(ASN1_ENCODING_st) == 4, alignment(ASN1_ENCODING_st)
+ASN1_ENCODING = ASN1_ENCODING_st
+class asn1_string_table_st(Structure):
+    pass
+asn1_string_table_st._fields_ = [
+    ('nid', c_int),
+    ('minsize', c_long),
+    ('maxsize', c_long),
+    ('mask', c_ulong),
+    ('flags', c_ulong),
+]
+assert sizeof(asn1_string_table_st) == 20, sizeof(asn1_string_table_st)
+assert alignment(asn1_string_table_st) == 4, alignment(asn1_string_table_st)
+ASN1_STRING_TABLE = asn1_string_table_st
+class ASN1_TEMPLATE_st(Structure):
+    pass
+ASN1_TEMPLATE_st._fields_ = [
+]
+ASN1_TEMPLATE = ASN1_TEMPLATE_st
+class ASN1_ITEM_st(Structure):
+    pass
+ASN1_ITEM = ASN1_ITEM_st
+ASN1_ITEM_st._fields_ = [
+]
+class ASN1_TLC_st(Structure):
+    pass
+ASN1_TLC = ASN1_TLC_st
+ASN1_TLC_st._fields_ = [
+]
+class ASN1_VALUE_st(Structure):
+    pass
+ASN1_VALUE_st._fields_ = [
+]
+ASN1_VALUE = ASN1_VALUE_st
+ASN1_ITEM_EXP = ASN1_ITEM
+class asn1_type_st(Structure):
+    pass
+class N12asn1_type_st4DOLLAR_11E(Union):
+    pass
+ASN1_BOOLEAN = c_int
+ASN1_INTEGER = asn1_string_st
+ASN1_ENUMERATED = asn1_string_st
+ASN1_BIT_STRING = asn1_string_st
+ASN1_OCTET_STRING = asn1_string_st
+ASN1_PRINTABLESTRING = asn1_string_st
+ASN1_T61STRING = asn1_string_st
+ASN1_IA5STRING = asn1_string_st
+ASN1_GENERALSTRING = asn1_string_st
+ASN1_BMPSTRING = asn1_string_st
+ASN1_UNIVERSALSTRING = asn1_string_st
+ASN1_UTCTIME = asn1_string_st
+ASN1_GENERALIZEDTIME = asn1_string_st
+ASN1_VISIBLESTRING = asn1_string_st
+ASN1_UTF8STRING = asn1_string_st
+N12asn1_type_st4DOLLAR_11E._fields_ = [
+    ('ptr', STRING),
+    ('boolean', ASN1_BOOLEAN),
+    ('asn1_string', POINTER(ASN1_STRING)),
+    ('object', POINTER(ASN1_OBJECT)),
+    ('integer', POINTER(ASN1_INTEGER)),
+    ('enumerated', POINTER(ASN1_ENUMERATED)),
+    ('bit_string', POINTER(ASN1_BIT_STRING)),
+    ('octet_string', POINTER(ASN1_OCTET_STRING)),
+    ('printablestring', POINTER(ASN1_PRINTABLESTRING)),
+    ('t61string', POINTER(ASN1_T61STRING)),
+    ('ia5string', POINTER(ASN1_IA5STRING)),
+    ('generalstring', POINTER(ASN1_GENERALSTRING)),
+    ('bmpstring', POINTER(ASN1_BMPSTRING)),
+    ('universalstring', POINTER(ASN1_UNIVERSALSTRING)),
+    ('utctime', POINTER(ASN1_UTCTIME)),
+    ('generalizedtime', POINTER(ASN1_GENERALIZEDTIME)),
+    ('visiblestring', POINTER(ASN1_VISIBLESTRING)),
+    ('utf8string', POINTER(ASN1_UTF8STRING)),
+    ('set', POINTER(ASN1_STRING)),
+    ('sequence', POINTER(ASN1_STRING)),
+]
+assert sizeof(N12asn1_type_st4DOLLAR_11E) == 4, sizeof(N12asn1_type_st4DOLLAR_11E)
+assert alignment(N12asn1_type_st4DOLLAR_11E) == 4, alignment(N12asn1_type_st4DOLLAR_11E)
+asn1_type_st._fields_ = [
+    ('type', c_int),
+    ('value', N12asn1_type_st4DOLLAR_11E),
+]
+assert sizeof(asn1_type_st) == 8, sizeof(asn1_type_st)
+assert alignment(asn1_type_st) == 4, alignment(asn1_type_st)
+ASN1_TYPE = asn1_type_st
+class asn1_method_st(Structure):
+    pass
+asn1_method_st._fields_ = [
+    ('i2d', CFUNCTYPE(c_int)),
+    ('d2i', CFUNCTYPE(STRING)),
+    ('create', CFUNCTYPE(STRING)),
+    ('destroy', CFUNCTYPE(None)),
+]
+assert sizeof(asn1_method_st) == 16, sizeof(asn1_method_st)
+assert alignment(asn1_method_st) == 4, alignment(asn1_method_st)
+ASN1_METHOD = asn1_method_st
+class asn1_header_st(Structure):
+    pass
+asn1_header_st._fields_ = [
+    ('header', POINTER(ASN1_OCTET_STRING)),
+    ('data', STRING),
+    ('meth', POINTER(ASN1_METHOD)),
+]
+assert sizeof(asn1_header_st) == 12, sizeof(asn1_header_st)
+assert alignment(asn1_header_st) == 4, alignment(asn1_header_st)
+ASN1_HEADER = asn1_header_st
+class BIT_STRING_BITNAME_st(Structure):
+    pass
+BIT_STRING_BITNAME_st._fields_ = [
+    ('bitnum', c_int),
+    ('lname', STRING),
+    ('sname', STRING),
+]
+assert sizeof(BIT_STRING_BITNAME_st) == 12, sizeof(BIT_STRING_BITNAME_st)
+assert alignment(BIT_STRING_BITNAME_st) == 4, alignment(BIT_STRING_BITNAME_st)
+BIT_STRING_BITNAME = BIT_STRING_BITNAME_st
+class bio_st(Structure):
+    pass
+BIO = bio_st
+bio_info_cb = CFUNCTYPE(None, POINTER(bio_st), c_int, STRING, c_int, c_long, c_long)
+class bio_method_st(Structure):
+    pass
+bio_method_st._fields_ = [
+    ('type', c_int),
+    ('name', STRING),
+    ('bwrite', CFUNCTYPE(c_int, POINTER(BIO), STRING, c_int)),
+    ('bread', CFUNCTYPE(c_int, POINTER(BIO), STRING, c_int)),
+    ('bputs', CFUNCTYPE(c_int, POINTER(BIO), STRING)),
+    ('bgets', CFUNCTYPE(c_int, POINTER(BIO), STRING, c_int)),
+    ('ctrl', CFUNCTYPE(c_long, POINTER(BIO), c_int, c_long, c_void_p)),
+    ('create', CFUNCTYPE(c_int, POINTER(BIO))),
+    ('destroy', CFUNCTYPE(c_int, POINTER(BIO))),
+    ('callback_ctrl', CFUNCTYPE(c_long, POINTER(BIO), c_int, POINTER(bio_info_cb))),
+]
+assert sizeof(bio_method_st) == 40, sizeof(bio_method_st)
+assert alignment(bio_method_st) == 4, alignment(bio_method_st)
+BIO_METHOD = bio_method_st
+class crypto_ex_data_st(Structure):
+    pass
+class stack_st(Structure):
+    pass
+STACK = stack_st
+crypto_ex_data_st._fields_ = [
+    ('sk', POINTER(STACK)),
+    ('dummy', c_int),
+]
+assert sizeof(crypto_ex_data_st) == 8, sizeof(crypto_ex_data_st)
+assert alignment(crypto_ex_data_st) == 4, alignment(crypto_ex_data_st)
+CRYPTO_EX_DATA = crypto_ex_data_st
+bio_st._fields_ = [
+    ('method', POINTER(BIO_METHOD)),
+    ('callback', CFUNCTYPE(c_long, POINTER(bio_st), c_int, STRING, c_int, c_long, c_long)),
+    ('cb_arg', STRING),
+    ('init', c_int),
+    ('shutdown', c_int),
+    ('flags', c_int),
+    ('retry_reason', c_int),
+    ('num', c_int),
+    ('ptr', c_void_p),
+    ('next_bio', POINTER(bio_st)),
+    ('prev_bio', POINTER(bio_st)),
+    ('references', c_int),
+    ('num_read', c_ulong),
+    ('num_write', c_ulong),
+    ('ex_data', CRYPTO_EX_DATA),
+]
+assert sizeof(bio_st) == 64, sizeof(bio_st)
+assert alignment(bio_st) == 4, alignment(bio_st)
+class bio_f_buffer_ctx_struct(Structure):
+    pass
+bio_f_buffer_ctx_struct._fields_ = [
+    ('ibuf_size', c_int),
+    ('obuf_size', c_int),
+    ('ibuf', STRING),
+    ('ibuf_len', c_int),
+    ('ibuf_off', c_int),
+    ('obuf', STRING),
+    ('obuf_len', c_int),
+    ('obuf_off', c_int),
+]
+assert sizeof(bio_f_buffer_ctx_struct) == 32, sizeof(bio_f_buffer_ctx_struct)
+assert alignment(bio_f_buffer_ctx_struct) == 4, alignment(bio_f_buffer_ctx_struct)
+BIO_F_BUFFER_CTX = bio_f_buffer_ctx_struct
+class hostent(Structure):
+    pass
+hostent._fields_ = [
+]
+class bf_key_st(Structure):
+    pass
+bf_key_st._fields_ = [
+    ('P', c_uint * 18),
+    ('S', c_uint * 1024),
+]
+assert sizeof(bf_key_st) == 4168, sizeof(bf_key_st)
+assert alignment(bf_key_st) == 4, alignment(bf_key_st)
+BF_KEY = bf_key_st
+class bignum_st(Structure):
+    pass
+bignum_st._fields_ = [
+    ('d', POINTER(c_ulong)),
+    ('top', c_int),
+    ('dmax', c_int),
+    ('neg', c_int),
+    ('flags', c_int),
+]
+assert sizeof(bignum_st) == 20, sizeof(bignum_st)
+assert alignment(bignum_st) == 4, alignment(bignum_st)
+BIGNUM = bignum_st
+class bignum_ctx(Structure):
+    pass
+bignum_ctx._fields_ = [
+]
+BN_CTX = bignum_ctx
+class bn_blinding_st(Structure):
+    pass
+bn_blinding_st._fields_ = [
+    ('init', c_int),
+    ('A', POINTER(BIGNUM)),
+    ('Ai', POINTER(BIGNUM)),
+    ('mod', POINTER(BIGNUM)),
+    ('thread_id', c_ulong),
+]
+assert sizeof(bn_blinding_st) == 20, sizeof(bn_blinding_st)
+assert alignment(bn_blinding_st) == 4, alignment(bn_blinding_st)
+BN_BLINDING = bn_blinding_st
+class bn_mont_ctx_st(Structure):
+    pass
+bn_mont_ctx_st._fields_ = [
+    ('ri', c_int),
+    ('RR', BIGNUM),
+    ('N', BIGNUM),
+    ('Ni', BIGNUM),
+    ('n0', c_ulong),
+    ('flags', c_int),
+]
+assert sizeof(bn_mont_ctx_st) == 72, sizeof(bn_mont_ctx_st)
+assert alignment(bn_mont_ctx_st) == 4, alignment(bn_mont_ctx_st)
+BN_MONT_CTX = bn_mont_ctx_st
+class bn_recp_ctx_st(Structure):
+    pass
+bn_recp_ctx_st._fields_ = [
+    ('N', BIGNUM),
+    ('Nr', BIGNUM),
+    ('num_bits', c_int),
+    ('shift', c_int),
+    ('flags', c_int),
+]
+assert sizeof(bn_recp_ctx_st) == 52, sizeof(bn_recp_ctx_st)
+assert alignment(bn_recp_ctx_st) == 4, alignment(bn_recp_ctx_st)
+BN_RECP_CTX = bn_recp_ctx_st
+class buf_mem_st(Structure):
+    pass
+buf_mem_st._fields_ = [
+    ('length', c_int),
+    ('data', STRING),
+    ('max', c_int),
+]
+assert sizeof(buf_mem_st) == 12, sizeof(buf_mem_st)
+assert alignment(buf_mem_st) == 4, alignment(buf_mem_st)
+BUF_MEM = buf_mem_st
+class cast_key_st(Structure):
+    pass
+cast_key_st._fields_ = [
+    ('data', c_ulong * 32),
+    ('short_key', c_int),
+]
+assert sizeof(cast_key_st) == 132, sizeof(cast_key_st)
+assert alignment(cast_key_st) == 4, alignment(cast_key_st)
+CAST_KEY = cast_key_st
+class comp_method_st(Structure):
+    pass
+comp_method_st._fields_ = [
+    ('type', c_int),
+    ('name', STRING),
+    ('init', CFUNCTYPE(c_int)),
+    ('finish', CFUNCTYPE(None)),
+    ('compress', CFUNCTYPE(c_int)),
+    ('expand', CFUNCTYPE(c_int)),
+    ('ctrl', CFUNCTYPE(c_long)),
+    ('callback_ctrl', CFUNCTYPE(c_long)),
+]
+assert sizeof(comp_method_st) == 32, sizeof(comp_method_st)
+assert alignment(comp_method_st) == 4, alignment(comp_method_st)
+COMP_METHOD = comp_method_st
+class comp_ctx_st(Structure):
+    pass
+comp_ctx_st._fields_ = [
+    ('meth', POINTER(COMP_METHOD)),
+    ('compress_in', c_ulong),
+    ('compress_out', c_ulong),
+    ('expand_in', c_ulong),
+    ('expand_out', c_ulong),
+    ('ex_data', CRYPTO_EX_DATA),
+]
+assert sizeof(comp_ctx_st) == 28, sizeof(comp_ctx_st)
+assert alignment(comp_ctx_st) == 4, alignment(comp_ctx_st)
+COMP_CTX = comp_ctx_st
+class CRYPTO_dynlock_value(Structure):
+    pass
+CRYPTO_dynlock_value._fields_ = [
+]
+class CRYPTO_dynlock(Structure):
+    pass
+CRYPTO_dynlock._fields_ = [
+    ('references', c_int),
+    ('data', POINTER(CRYPTO_dynlock_value)),
+]
+assert sizeof(CRYPTO_dynlock) == 8, sizeof(CRYPTO_dynlock)
+assert alignment(CRYPTO_dynlock) == 4, alignment(CRYPTO_dynlock)
+BIO_dummy = bio_st
+CRYPTO_EX_new = CFUNCTYPE(c_int, c_void_p, c_void_p, POINTER(CRYPTO_EX_DATA), c_int, c_long, c_void_p)
+CRYPTO_EX_free = CFUNCTYPE(None, c_void_p, c_void_p, POINTER(CRYPTO_EX_DATA), c_int, c_long, c_void_p)
+CRYPTO_EX_dup = CFUNCTYPE(c_int, POINTER(CRYPTO_EX_DATA), POINTER(CRYPTO_EX_DATA), c_void_p, c_int, c_long, c_void_p)
+class crypto_ex_data_func_st(Structure):
+    pass
+crypto_ex_data_func_st._fields_ = [
+    ('argl', c_long),
+    ('argp', c_void_p),
+    ('new_func', POINTER(CRYPTO_EX_new)),
+    ('free_func', POINTER(CRYPTO_EX_free)),
+    ('dup_func', POINTER(CRYPTO_EX_dup)),
+]
+assert sizeof(crypto_ex_data_func_st) == 20, sizeof(crypto_ex_data_func_st)
+assert alignment(crypto_ex_data_func_st) == 4, alignment(crypto_ex_data_func_st)
+CRYPTO_EX_DATA_FUNCS = crypto_ex_data_func_st
+class st_CRYPTO_EX_DATA_IMPL(Structure):
+    pass
+CRYPTO_EX_DATA_IMPL = st_CRYPTO_EX_DATA_IMPL
+st_CRYPTO_EX_DATA_IMPL._fields_ = [
+]
+CRYPTO_MEM_LEAK_CB = CFUNCTYPE(c_void_p, c_ulong, STRING, c_int, c_int, c_void_p)
+DES_cblock = c_ubyte * 8
+const_DES_cblock = c_ubyte * 8
+class DES_ks(Structure):
+    pass
+class N6DES_ks3DOLLAR_9E(Union):
+    pass
+N6DES_ks3DOLLAR_9E._fields_ = [
+    ('cblock', DES_cblock),
+    ('deslong', c_ulong * 2),
+]
+assert sizeof(N6DES_ks3DOLLAR_9E) == 8, sizeof(N6DES_ks3DOLLAR_9E)
+assert alignment(N6DES_ks3DOLLAR_9E) == 4, alignment(N6DES_ks3DOLLAR_9E)
+DES_ks._fields_ = [
+    ('ks', N6DES_ks3DOLLAR_9E * 16),
+]
+assert sizeof(DES_ks) == 128, sizeof(DES_ks)
+assert alignment(DES_ks) == 4, alignment(DES_ks)
+DES_key_schedule = DES_ks
+_ossl_old_des_cblock = c_ubyte * 8
+class _ossl_old_des_ks_struct(Structure):
+    pass
+class N23_ossl_old_des_ks_struct4DOLLAR_10E(Union):
+    pass
+N23_ossl_old_des_ks_struct4DOLLAR_10E._fields_ = [
+    ('_', _ossl_old_des_cblock),
+    ('pad', c_ulong * 2),
+]
+assert sizeof(N23_ossl_old_des_ks_struct4DOLLAR_10E) == 8, sizeof(N23_ossl_old_des_ks_struct4DOLLAR_10E)
+assert alignment(N23_ossl_old_des_ks_struct4DOLLAR_10E) == 4, alignment(N23_ossl_old_des_ks_struct4DOLLAR_10E)
+_ossl_old_des_ks_struct._fields_ = [
+    ('ks', N23_ossl_old_des_ks_struct4DOLLAR_10E),
+]
+assert sizeof(_ossl_old_des_ks_struct) == 8, sizeof(_ossl_old_des_ks_struct)
+assert alignment(_ossl_old_des_ks_struct) == 4, alignment(_ossl_old_des_ks_struct)
+_ossl_old_des_key_schedule = _ossl_old_des_ks_struct * 16
+class dh_st(Structure):
+    pass
+DH = dh_st
+class dh_method(Structure):
+    pass
+dh_method._fields_ = [
+    ('name', STRING),
+    ('generate_key', CFUNCTYPE(c_int, POINTER(DH))),
+    ('compute_key', CFUNCTYPE(c_int, POINTER(c_ubyte), POINTER(BIGNUM), POINTER(DH))),
+    ('bn_mod_exp', CFUNCTYPE(c_int, POINTER(DH), POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BN_CTX), POINTER(BN_MONT_CTX))),
+    ('init', CFUNCTYPE(c_int, POINTER(DH))),
+    ('finish', CFUNCTYPE(c_int, POINTER(DH))),
+    ('flags', c_int),
+    ('app_data', STRING),
+]
+assert sizeof(dh_method) == 32, sizeof(dh_method)
+assert alignment(dh_method) == 4, alignment(dh_method)
+DH_METHOD = dh_method
+class engine_st(Structure):
+    pass
+ENGINE = engine_st
+dh_st._fields_ = [
+    ('pad', c_int),
+    ('version', c_int),
+    ('p', POINTER(BIGNUM)),
+    ('g', POINTER(BIGNUM)),
+    ('length', c_long),
+    ('pub_key', POINTER(BIGNUM)),
+    ('priv_key', POINTER(BIGNUM)),
+    ('flags', c_int),
+    ('method_mont_p', STRING),
+    ('q', POINTER(BIGNUM)),
+    ('j', POINTER(BIGNUM)),
+    ('seed', POINTER(c_ubyte)),
+    ('seedlen', c_int),
+    ('counter', POINTER(BIGNUM)),
+    ('references', c_int),
+    ('ex_data', CRYPTO_EX_DATA),
+    ('meth', POINTER(DH_METHOD)),
+    ('engine', POINTER(ENGINE)),
+]
+assert sizeof(dh_st) == 76, sizeof(dh_st)
+assert alignment(dh_st) == 4, alignment(dh_st)
+class dsa_st(Structure):
+    pass
+DSA = dsa_st
+class DSA_SIG_st(Structure):
+    pass
+DSA_SIG_st._fields_ = [
+    ('r', POINTER(BIGNUM)),
+    ('s', POINTER(BIGNUM)),
+]
+assert sizeof(DSA_SIG_st) == 8, sizeof(DSA_SIG_st)
+assert alignment(DSA_SIG_st) == 4, alignment(DSA_SIG_st)
+DSA_SIG = DSA_SIG_st
+class dsa_method(Structure):
+    pass
+dsa_method._fields_ = [
+    ('name', STRING),
+    ('dsa_do_sign', CFUNCTYPE(POINTER(DSA_SIG), POINTER(c_ubyte), c_int, POINTER(DSA))),
+    ('dsa_sign_setup', CFUNCTYPE(c_int, POINTER(DSA), POINTER(BN_CTX), POINTER(POINTER(BIGNUM)), POINTER(POINTER(BIGNUM)))),
+    ('dsa_do_verify', CFUNCTYPE(c_int, POINTER(c_ubyte), c_int, POINTER(DSA_SIG), POINTER(DSA))),
+    ('dsa_mod_exp', CFUNCTYPE(c_int, POINTER(DSA), POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BN_CTX), POINTER(BN_MONT_CTX))),
+    ('bn_mod_exp', CFUNCTYPE(c_int, POINTER(DSA), POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BN_CTX), POINTER(BN_MONT_CTX))),
+    ('init', CFUNCTYPE(c_int, POINTER(DSA))),
+    ('finish', CFUNCTYPE(c_int, POINTER(DSA))),
+    ('flags', c_int),
+    ('app_data', STRING),
+]
+assert sizeof(dsa_method) == 40, sizeof(dsa_method)
+assert alignment(dsa_method) == 4, alignment(dsa_method)
+DSA_METHOD = dsa_method
+dsa_st._fields_ = [
+    ('pad', c_int),
+    ('version', c_long),
+    ('write_params', c_int),
+    ('p', POINTER(BIGNUM)),
+    ('q', POINTER(BIGNUM)),
+    ('g', POINTER(BIGNUM)),
+    ('pub_key', POINTER(BIGNUM)),
+    ('priv_key', POINTER(BIGNUM)),
+    ('kinv', POINTER(BIGNUM)),
+    ('r', POINTER(BIGNUM)),
+    ('flags', c_int),
+    ('method_mont_p', STRING),
+    ('references', c_int),
+    ('ex_data', CRYPTO_EX_DATA),
+    ('meth', POINTER(DSA_METHOD)),
+    ('engine', POINTER(ENGINE)),
+]
+assert sizeof(dsa_st) == 68, sizeof(dsa_st)
+assert alignment(dsa_st) == 4, alignment(dsa_st)
+class evp_pkey_st(Structure):
+    pass
+class N11evp_pkey_st4DOLLAR_12E(Union):
+    pass
+class rsa_st(Structure):
+    pass
+N11evp_pkey_st4DOLLAR_12E._fields_ = [
+    ('ptr', STRING),
+    ('rsa', POINTER(rsa_st)),
+    ('dsa', POINTER(dsa_st)),
+    ('dh', POINTER(dh_st)),
+]
+assert sizeof(N11evp_pkey_st4DOLLAR_12E) == 4, sizeof(N11evp_pkey_st4DOLLAR_12E)
+assert alignment(N11evp_pkey_st4DOLLAR_12E) == 4, alignment(N11evp_pkey_st4DOLLAR_12E)
+evp_pkey_st._fields_ = [
+    ('type', c_int),
+    ('save_type', c_int),
+    ('references', c_int),
+    ('pkey', N11evp_pkey_st4DOLLAR_12E),
+    ('save_parameters', c_int),
+    ('attributes', POINTER(STACK)),
+]
+assert sizeof(evp_pkey_st) == 24, sizeof(evp_pkey_st)
+assert alignment(evp_pkey_st) == 4, alignment(evp_pkey_st)
+class env_md_st(Structure):
+    pass
+class env_md_ctx_st(Structure):
+    pass
+EVP_MD_CTX = env_md_ctx_st
+env_md_st._fields_ = [
+    ('type', c_int),
+    ('pkey_type', c_int),
+    ('md_size', c_int),
+    ('flags', c_ulong),
+    ('init', CFUNCTYPE(c_int, POINTER(EVP_MD_CTX))),
+    ('update', CFUNCTYPE(c_int, POINTER(EVP_MD_CTX), c_void_p, c_ulong)),
+    ('final', CFUNCTYPE(c_int, POINTER(EVP_MD_CTX), POINTER(c_ubyte))),
+    ('copy', CFUNCTYPE(c_int, POINTER(EVP_MD_CTX), POINTER(EVP_MD_CTX))),
+    ('cleanup', CFUNCTYPE(c_int, POINTER(EVP_MD_CTX))),
+    ('sign', CFUNCTYPE(c_int)),
+    ('verify', CFUNCTYPE(c_int)),
+    ('required_pkey_type', c_int * 5),
+    ('block_size', c_int),
+    ('ctx_size', c_int),
+]
+assert sizeof(env_md_st) == 72, sizeof(env_md_st)
+assert alignment(env_md_st) == 4, alignment(env_md_st)
+EVP_MD = env_md_st
+env_md_ctx_st._fields_ = [
+    ('digest', POINTER(EVP_MD)),
+    ('engine', POINTER(ENGINE)),
+    ('flags', c_ulong),
+    ('md_data', c_void_p),
+]
+assert sizeof(env_md_ctx_st) == 16, sizeof(env_md_ctx_st)
+assert alignment(env_md_ctx_st) == 4, alignment(env_md_ctx_st)
+class evp_cipher_st(Structure):
+    pass
+class evp_cipher_ctx_st(Structure):
+    pass
+EVP_CIPHER_CTX = evp_cipher_ctx_st
+evp_cipher_st._fields_ = [
+    ('nid', c_int),
+    ('block_size', c_int),
+    ('key_len', c_int),
+    ('iv_len', c_int),
+    ('flags', c_ulong),
+    ('init', CFUNCTYPE(c_int, POINTER(EVP_CIPHER_CTX), POINTER(c_ubyte), POINTER(c_ubyte), c_int)),
+    ('do_cipher', CFUNCTYPE(c_int, POINTER(EVP_CIPHER_CTX), POINTER(c_ubyte), POINTER(c_ubyte), c_uint)),
+    ('cleanup', CFUNCTYPE(c_int, POINTER(EVP_CIPHER_CTX))),
+    ('ctx_size', c_int),
+    ('set_asn1_parameters', CFUNCTYPE(c_int, POINTER(EVP_CIPHER_CTX), POINTER(ASN1_TYPE))),
+    ('get_asn1_parameters', CFUNCTYPE(c_int, POINTER(EVP_CIPHER_CTX), POINTER(ASN1_TYPE))),
+    ('ctrl', CFUNCTYPE(c_int, POINTER(EVP_CIPHER_CTX), c_int, c_int, c_void_p)),
+    ('app_data', c_void_p),
+]
+assert sizeof(evp_cipher_st) == 52, sizeof(evp_cipher_st)
+assert alignment(evp_cipher_st) == 4, alignment(evp_cipher_st)
+class evp_cipher_info_st(Structure):
+    pass
+EVP_CIPHER = evp_cipher_st
+evp_cipher_info_st._fields_ = [
+    ('cipher', POINTER(EVP_CIPHER)),
+    ('iv', c_ubyte * 16),
+]
+assert sizeof(evp_cipher_info_st) == 20, sizeof(evp_cipher_info_st)
+assert alignment(evp_cipher_info_st) == 4, alignment(evp_cipher_info_st)
+EVP_CIPHER_INFO = evp_cipher_info_st
+evp_cipher_ctx_st._fields_ = [
+    ('cipher', POINTER(EVP_CIPHER)),
+    ('engine', POINTER(ENGINE)),
+    ('encrypt', c_int),
+    ('buf_len', c_int),
+    ('oiv', c_ubyte * 16),
+    ('iv', c_ubyte * 16),
+    ('buf', c_ubyte * 32),
+    ('num', c_int),
+    ('app_data', c_void_p),
+    ('key_len', c_int),
+    ('flags', c_ulong),
+    ('cipher_data', c_void_p),
+    ('final_used', c_int),
+    ('block_mask', c_int),
+    ('final', c_ubyte * 32),
+]
+assert sizeof(evp_cipher_ctx_st) == 140, sizeof(evp_cipher_ctx_st)
+assert alignment(evp_cipher_ctx_st) == 4, alignment(evp_cipher_ctx_st)
+class evp_Encode_Ctx_st(Structure):
+    pass
+evp_Encode_Ctx_st._fields_ = [
+    ('num', c_int),
+    ('length', c_int),
+    ('enc_data', c_ubyte * 80),
+    ('line_num', c_int),
+    ('expect_nl', c_int),
+]
+assert sizeof(evp_Encode_Ctx_st) == 96, sizeof(evp_Encode_Ctx_st)
+assert alignment(evp_Encode_Ctx_st) == 4, alignment(evp_Encode_Ctx_st)
+EVP_ENCODE_CTX = evp_Encode_Ctx_st
+EVP_PBE_KEYGEN = CFUNCTYPE(c_int, POINTER(EVP_CIPHER_CTX), STRING, c_int, POINTER(ASN1_TYPE), POINTER(EVP_CIPHER), POINTER(EVP_MD), c_int)
+class lhash_node_st(Structure):
+    pass
+lhash_node_st._fields_ = [
+    ('data', c_void_p),
+    ('next', POINTER(lhash_node_st)),
+    ('hash', c_ulong),
+]
+assert sizeof(lhash_node_st) == 12, sizeof(lhash_node_st)
+assert alignment(lhash_node_st) == 4, alignment(lhash_node_st)
+LHASH_NODE = lhash_node_st
+LHASH_COMP_FN_TYPE = CFUNCTYPE(c_int, c_void_p, c_void_p)
+LHASH_HASH_FN_TYPE = CFUNCTYPE(c_ulong, c_void_p)
+LHASH_DOALL_FN_TYPE = CFUNCTYPE(None, c_void_p)
+LHASH_DOALL_ARG_FN_TYPE = CFUNCTYPE(None, c_void_p, c_void_p)
+class lhash_st(Structure):
+    pass
+lhash_st._fields_ = [
+    ('b', POINTER(POINTER(LHASH_NODE))),
+    ('comp', LHASH_COMP_FN_TYPE),
+    ('hash', LHASH_HASH_FN_TYPE),
+    ('num_nodes', c_uint),
+    ('num_alloc_nodes', c_uint),
+    ('p', c_uint),
+    ('pmax', c_uint),
+    ('up_load', c_ulong),
+    ('down_load', c_ulong),
+    ('num_items', c_ulong),
+    ('num_expands', c_ulong),
+    ('num_expand_reallocs', c_ulong),
+    ('num_contracts', c_ulong),
+    ('num_contract_reallocs', c_ulong),
+    ('num_hash_calls', c_ulong),
+    ('num_comp_calls', c_ulong),
+    ('num_insert', c_ulong),
+    ('num_replace', c_ulong),
+    ('num_delete', c_ulong),
+    ('num_no_delete', c_ulong),
+    ('num_retrieve', c_ulong),
+    ('num_retrieve_miss', c_ulong),
+    ('num_hash_comps', c_ulong),
+    ('error', c_int),
+]
+assert sizeof(lhash_st) == 96, sizeof(lhash_st)
+assert alignment(lhash_st) == 4, alignment(lhash_st)
+LHASH = lhash_st
+class MD2state_st(Structure):
+    pass
+MD2state_st._fields_ = [
+    ('num', c_int),
+    ('data', c_ubyte * 16),
+    ('cksm', c_uint * 16),
+    ('state', c_uint * 16),
+]
+assert sizeof(MD2state_st) == 148, sizeof(MD2state_st)
+assert alignment(MD2state_st) == 4, alignment(MD2state_st)
+MD2_CTX = MD2state_st
+class MD4state_st(Structure):
+    pass
+MD4state_st._fields_ = [
+    ('A', c_uint),
+    ('B', c_uint),
+    ('C', c_uint),
+    ('D', c_uint),
+    ('Nl', c_uint),
+    ('Nh', c_uint),
+    ('data', c_uint * 16),
+    ('num', c_int),
+]
+assert sizeof(MD4state_st) == 92, sizeof(MD4state_st)
+assert alignment(MD4state_st) == 4, alignment(MD4state_st)
+MD4_CTX = MD4state_st
+class MD5state_st(Structure):
+    pass
+MD5state_st._fields_ = [
+    ('A', c_uint),
+    ('B', c_uint),
+    ('C', c_uint),
+    ('D', c_uint),
+    ('Nl', c_uint),
+    ('Nh', c_uint),
+    ('data', c_uint * 16),
+    ('num', c_int),
+]
+assert sizeof(MD5state_st) == 92, sizeof(MD5state_st)
+assert alignment(MD5state_st) == 4, alignment(MD5state_st)
+MD5_CTX = MD5state_st
+class mdc2_ctx_st(Structure):
+    pass
+mdc2_ctx_st._fields_ = [
+    ('num', c_int),
+    ('data', c_ubyte * 8),
+    ('h', DES_cblock),
+    ('hh', DES_cblock),
+    ('pad_type', c_int),
+]
+assert sizeof(mdc2_ctx_st) == 32, sizeof(mdc2_ctx_st)
+assert alignment(mdc2_ctx_st) == 4, alignment(mdc2_ctx_st)
+MDC2_CTX = mdc2_ctx_st
+class obj_name_st(Structure):
+    pass
+obj_name_st._fields_ = [
+    ('type', c_int),
+    ('alias', c_int),
+    ('name', STRING),
+    ('data', STRING),
+]
+assert sizeof(obj_name_st) == 16, sizeof(obj_name_st)
+assert alignment(obj_name_st) == 4, alignment(obj_name_st)
+OBJ_NAME = obj_name_st
+ASN1_TIME = asn1_string_st
+ASN1_NULL = c_int
+EVP_PKEY = evp_pkey_st
+class x509_st(Structure):
+    pass
+X509 = x509_st
+class X509_algor_st(Structure):
+    pass
+X509_ALGOR = X509_algor_st
+class X509_crl_st(Structure):
+    pass
+X509_CRL = X509_crl_st
+class X509_name_st(Structure):
+    pass
+X509_NAME = X509_name_st
+class x509_store_st(Structure):
+    pass
+X509_STORE = x509_store_st
+class x509_store_ctx_st(Structure):
+    pass
+X509_STORE_CTX = x509_store_ctx_st
+engine_st._fields_ = [
+]
+class PEM_Encode_Seal_st(Structure):
+    pass
+PEM_Encode_Seal_st._fields_ = [
+    ('encode', EVP_ENCODE_CTX),
+    ('md', EVP_MD_CTX),
+    ('cipher', EVP_CIPHER_CTX),
+]
+assert sizeof(PEM_Encode_Seal_st) == 252, sizeof(PEM_Encode_Seal_st)
+assert alignment(PEM_Encode_Seal_st) == 4, alignment(PEM_Encode_Seal_st)
+PEM_ENCODE_SEAL_CTX = PEM_Encode_Seal_st
+class pem_recip_st(Structure):
+    pass
+pem_recip_st._fields_ = [
+    ('name', STRING),
+    ('dn', POINTER(X509_NAME)),
+    ('cipher', c_int),
+    ('key_enc', c_int),
+]
+assert sizeof(pem_recip_st) == 16, sizeof(pem_recip_st)
+assert alignment(pem_recip_st) == 4, alignment(pem_recip_st)
+PEM_USER = pem_recip_st
+class pem_ctx_st(Structure):
+    pass
+class N10pem_ctx_st4DOLLAR_16E(Structure):
+    pass
+N10pem_ctx_st4DOLLAR_16E._fields_ = [
+    ('version', c_int),
+    ('mode', c_int),
+]
+assert sizeof(N10pem_ctx_st4DOLLAR_16E) == 8, sizeof(N10pem_ctx_st4DOLLAR_16E)
+assert alignment(N10pem_ctx_st4DOLLAR_16E) == 4, alignment(N10pem_ctx_st4DOLLAR_16E)
+class N10pem_ctx_st4DOLLAR_17E(Structure):
+    pass
+N10pem_ctx_st4DOLLAR_17E._fields_ = [
+    ('cipher', c_int),
+]
+assert sizeof(N10pem_ctx_st4DOLLAR_17E) == 4, sizeof(N10pem_ctx_st4DOLLAR_17E)
+assert alignment(N10pem_ctx_st4DOLLAR_17E) == 4, alignment(N10pem_ctx_st4DOLLAR_17E)
+pem_ctx_st._fields_ = [
+    ('type', c_int),
+    ('proc_type', N10pem_ctx_st4DOLLAR_16E),
+    ('domain', STRING),
+    ('DEK_info', N10pem_ctx_st4DOLLAR_17E),
+    ('originator', POINTER(PEM_USER)),
+    ('num_recipient', c_int),
+    ('recipient', POINTER(POINTER(PEM_USER))),
+    ('x509_chain', POINTER(STACK)),
+    ('md', POINTER(EVP_MD)),
+    ('md_enc', c_int),
+    ('md_len', c_int),
+    ('md_data', STRING),
+    ('dec', POINTER(EVP_CIPHER)),
+    ('key_len', c_int),
+    ('key', POINTER(c_ubyte)),
+    ('data_enc', c_int),
+    ('data_len', c_int),
+    ('data', POINTER(c_ubyte)),
+]
+assert sizeof(pem_ctx_st) == 76, sizeof(pem_ctx_st)
+assert alignment(pem_ctx_st) == 4, alignment(pem_ctx_st)
+PEM_CTX = pem_ctx_st
+pem_password_cb = CFUNCTYPE(c_int, STRING, c_int, c_int, c_void_p)
+class pkcs7_issuer_and_serial_st(Structure):
+    pass
+pkcs7_issuer_and_serial_st._fields_ = [
+    ('issuer', POINTER(X509_NAME)),
+    ('serial', POINTER(ASN1_INTEGER)),
+]
+assert sizeof(pkcs7_issuer_and_serial_st) == 8, sizeof(pkcs7_issuer_and_serial_st)
+assert alignment(pkcs7_issuer_and_serial_st) == 4, alignment(pkcs7_issuer_and_serial_st)
+PKCS7_ISSUER_AND_SERIAL = pkcs7_issuer_and_serial_st
+class pkcs7_signer_info_st(Structure):
+    pass
+pkcs7_signer_info_st._fields_ = [
+    ('version', POINTER(ASN1_INTEGER)),
+    ('issuer_and_serial', POINTER(PKCS7_ISSUER_AND_SERIAL)),
+    ('digest_alg', POINTER(X509_ALGOR)),
+    ('auth_attr', POINTER(STACK)),
+    ('digest_enc_alg', POINTER(X509_ALGOR)),
+    ('enc_digest', POINTER(ASN1_OCTET_STRING)),
+    ('unauth_attr', POINTER(STACK)),
+    ('pkey', POINTER(EVP_PKEY)),
+]
+assert sizeof(pkcs7_signer_info_st) == 32, sizeof(pkcs7_signer_info_st)
+assert alignment(pkcs7_signer_info_st) == 4, alignment(pkcs7_signer_info_st)
+PKCS7_SIGNER_INFO = pkcs7_signer_info_st
+class pkcs7_recip_info_st(Structure):
+    pass
+pkcs7_recip_info_st._fields_ = [
+    ('version', POINTER(ASN1_INTEGER)),
+    ('issuer_and_serial', POINTER(PKCS7_ISSUER_AND_SERIAL)),
+    ('key_enc_algor', POINTER(X509_ALGOR)),
+    ('enc_key', POINTER(ASN1_OCTET_STRING)),
+    ('cert', POINTER(X509)),
+]
+assert sizeof(pkcs7_recip_info_st) == 20, sizeof(pkcs7_recip_info_st)
+assert alignment(pkcs7_recip_info_st) == 4, alignment(pkcs7_recip_info_st)
+PKCS7_RECIP_INFO = pkcs7_recip_info_st
+class pkcs7_signed_st(Structure):
+    pass
+class pkcs7_st(Structure):
+    pass
+pkcs7_signed_st._fields_ = [
+    ('version', POINTER(ASN1_INTEGER)),
+    ('md_algs', POINTER(STACK)),
+    ('cert', POINTER(STACK)),
+    ('crl', POINTER(STACK)),
+    ('signer_info', POINTER(STACK)),
+    ('contents', POINTER(pkcs7_st)),
+]
+assert sizeof(pkcs7_signed_st) == 24, sizeof(pkcs7_signed_st)
+assert alignment(pkcs7_signed_st) == 4, alignment(pkcs7_signed_st)
+PKCS7_SIGNED = pkcs7_signed_st
+class pkcs7_enc_content_st(Structure):
+    pass
+pkcs7_enc_content_st._fields_ = [
+    ('content_type', POINTER(ASN1_OBJECT)),
+    ('algorithm', POINTER(X509_ALGOR)),
+    ('enc_data', POINTER(ASN1_OCTET_STRING)),
+    ('cipher', POINTER(EVP_CIPHER)),
+]
+assert sizeof(pkcs7_enc_content_st) == 16, sizeof(pkcs7_enc_content_st)
+assert alignment(pkcs7_enc_content_st) == 4, alignment(pkcs7_enc_content_st)
+PKCS7_ENC_CONTENT = pkcs7_enc_content_st
+class pkcs7_enveloped_st(Structure):
+    pass
+pkcs7_enveloped_st._fields_ = [
+    ('version', POINTER(ASN1_INTEGER)),
+    ('recipientinfo', POINTER(STACK)),
+    ('enc_data', POINTER(PKCS7_ENC_CONTENT)),
+]
+assert sizeof(pkcs7_enveloped_st) == 12, sizeof(pkcs7_enveloped_st)
+assert alignment(pkcs7_enveloped_st) == 4, alignment(pkcs7_enveloped_st)
+PKCS7_ENVELOPE = pkcs7_enveloped_st
+class pkcs7_signedandenveloped_st(Structure):
+    pass
+pkcs7_signedandenveloped_st._fields_ = [
+    ('version', POINTER(ASN1_INTEGER)),
+    ('md_algs', POINTER(STACK)),
+    ('cert', POINTER(STACK)),
+    ('crl', POINTER(STACK)),
+    ('signer_info', POINTER(STACK)),
+    ('enc_data', POINTER(PKCS7_ENC_CONTENT)),
+    ('recipientinfo', POINTER(STACK)),
+]
+assert sizeof(pkcs7_signedandenveloped_st) == 28, sizeof(pkcs7_signedandenveloped_st)
+assert alignment(pkcs7_signedandenveloped_st) == 4, alignment(pkcs7_signedandenveloped_st)
+PKCS7_SIGN_ENVELOPE = pkcs7_signedandenveloped_st
+class pkcs7_digest_st(Structure):
+    pass
+pkcs7_digest_st._fields_ = [
+    ('version', POINTER(ASN1_INTEGER)),
+    ('md', POINTER(X509_ALGOR)),
+    ('contents', POINTER(pkcs7_st)),
+    ('digest', POINTER(ASN1_OCTET_STRING)),
+]
+assert sizeof(pkcs7_digest_st) == 16, sizeof(pkcs7_digest_st)
+assert alignment(pkcs7_digest_st) == 4, alignment(pkcs7_digest_st)
+PKCS7_DIGEST = pkcs7_digest_st
+class pkcs7_encrypted_st(Structure):
+    pass
+pkcs7_encrypted_st._fields_ = [
+    ('version', POINTER(ASN1_INTEGER)),
+    ('enc_data', POINTER(PKCS7_ENC_CONTENT)),
+]
+assert sizeof(pkcs7_encrypted_st) == 8, sizeof(pkcs7_encrypted_st)
+assert alignment(pkcs7_encrypted_st) == 4, alignment(pkcs7_encrypted_st)
+PKCS7_ENCRYPT = pkcs7_encrypted_st
+class N8pkcs7_st4DOLLAR_15E(Union):
+    pass
+N8pkcs7_st4DOLLAR_15E._fields_ = [
+    ('ptr', STRING),
+    ('data', POINTER(ASN1_OCTET_STRING)),
+    ('sign', POINTER(PKCS7_SIGNED)),
+    ('enveloped', POINTER(PKCS7_ENVELOPE)),
+    ('signed_and_enveloped', POINTER(PKCS7_SIGN_ENVELOPE)),
+    ('digest', POINTER(PKCS7_DIGEST)),
+    ('encrypted', POINTER(PKCS7_ENCRYPT)),
+    ('other', POINTER(ASN1_TYPE)),
+]
+assert sizeof(N8pkcs7_st4DOLLAR_15E) == 4, sizeof(N8pkcs7_st4DOLLAR_15E)
+assert alignment(N8pkcs7_st4DOLLAR_15E) == 4, alignment(N8pkcs7_st4DOLLAR_15E)
+pkcs7_st._fields_ = [
+    ('asn1', POINTER(c_ubyte)),
+    ('length', c_long),
+    ('state', c_int),
+    ('detached', c_int),
+    ('type', POINTER(ASN1_OBJECT)),
+    ('d', N8pkcs7_st4DOLLAR_15E),
+]
+assert sizeof(pkcs7_st) == 24, sizeof(pkcs7_st)
+assert alignment(pkcs7_st) == 4, alignment(pkcs7_st)
+PKCS7 = pkcs7_st
+class rc2_key_st(Structure):
+    pass
+rc2_key_st._fields_ = [
+    ('data', c_uint * 64),
+]
+assert sizeof(rc2_key_st) == 256, sizeof(rc2_key_st)
+assert alignment(rc2_key_st) == 4, alignment(rc2_key_st)
+RC2_KEY = rc2_key_st
+class rc4_key_st(Structure):
+    pass
+rc4_key_st._fields_ = [
+    ('x', c_ubyte),
+    ('y', c_ubyte),
+    ('data', c_ubyte * 256),
+]
+assert sizeof(rc4_key_st) == 258, sizeof(rc4_key_st)
+assert alignment(rc4_key_st) == 1, alignment(rc4_key_st)
+RC4_KEY = rc4_key_st
+class rc5_key_st(Structure):
+    pass
+rc5_key_st._fields_ = [
+    ('rounds', c_int),
+    ('data', c_ulong * 34),
+]
+assert sizeof(rc5_key_st) == 140, sizeof(rc5_key_st)
+assert alignment(rc5_key_st) == 4, alignment(rc5_key_st)
+RC5_32_KEY = rc5_key_st
+class RIPEMD160state_st(Structure):
+    pass
+RIPEMD160state_st._fields_ = [
+    ('A', c_uint),
+    ('B', c_uint),
+    ('C', c_uint),
+    ('D', c_uint),
+    ('E', c_uint),
+    ('Nl', c_uint),
+    ('Nh', c_uint),
+    ('data', c_uint * 16),
+    ('num', c_int),
+]
+assert sizeof(RIPEMD160state_st) == 96, sizeof(RIPEMD160state_st)
+assert alignment(RIPEMD160state_st) == 4, alignment(RIPEMD160state_st)
+RIPEMD160_CTX = RIPEMD160state_st
+RSA = rsa_st
+class rsa_meth_st(Structure):
+    pass
+rsa_meth_st._fields_ = [
+    ('name', STRING),
+    ('rsa_pub_enc', CFUNCTYPE(c_int, c_int, POINTER(c_ubyte), POINTER(c_ubyte), POINTER(RSA), c_int)),
+    ('rsa_pub_dec', CFUNCTYPE(c_int, c_int, POINTER(c_ubyte), POINTER(c_ubyte), POINTER(RSA), c_int)),
+    ('rsa_priv_enc', CFUNCTYPE(c_int, c_int, POINTER(c_ubyte), POINTER(c_ubyte), POINTER(RSA), c_int)),
+    ('rsa_priv_dec', CFUNCTYPE(c_int, c_int, POINTER(c_ubyte), POINTER(c_ubyte), POINTER(RSA), c_int)),
+    ('rsa_mod_exp', CFUNCTYPE(c_int, POINTER(BIGNUM), POINTER(BIGNUM), POINTER(RSA))),
+    ('bn_mod_exp', CFUNCTYPE(c_int, POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BIGNUM), POINTER(BN_CTX), POINTER(BN_MONT_CTX))),
+    ('init', CFUNCTYPE(c_int, POINTER(RSA))),
+    ('finish', CFUNCTYPE(c_int, POINTER(RSA))),
+    ('flags', c_int),
+    ('app_data', STRING),
+    ('rsa_sign', CFUNCTYPE(c_int, c_int, POINTER(c_ubyte), c_uint, POINTER(c_ubyte), POINTER(c_uint), POINTER(RSA))),
+    ('rsa_verify', CFUNCTYPE(c_int, c_int, POINTER(c_ubyte), c_uint, POINTER(c_ubyte), c_uint, POINTER(RSA))),
+]
+assert sizeof(rsa_meth_st) == 52, sizeof(rsa_meth_st)
+assert alignment(rsa_meth_st) == 4, alignment(rsa_meth_st)
+RSA_METHOD = rsa_meth_st
+rsa_st._fields_ = [
+    ('pad', c_int),
+    ('version', c_long),
+    ('meth', POINTER(RSA_METHOD)),
+    ('engine', POINTER(ENGINE)),
+    ('n', POINTER(BIGNUM)),
+    ('e', POINTER(BIGNUM)),
+    ('d', POINTER(BIGNUM)),
+    ('p', POINTER(BIGNUM)),
+    ('q', POINTER(BIGNUM)),
+    ('dmp1', POINTER(BIGNUM)),
+    ('dmq1', POINTER(BIGNUM)),
+    ('iqmp', POINTER(BIGNUM)),
+    ('ex_data', CRYPTO_EX_DATA),
+    ('references', c_int),
+    ('flags', c_int),
+    ('_method_mod_n', POINTER(BN_MONT_CTX)),
+    ('_method_mod_p', POINTER(BN_MONT_CTX)),
+    ('_method_mod_q', POINTER(BN_MONT_CTX)),
+    ('bignum_data', STRING),
+    ('blinding', POINTER(BN_BLINDING)),
+]
+assert sizeof(rsa_st) == 84, sizeof(rsa_st)
+assert alignment(rsa_st) == 4, alignment(rsa_st)
+openssl_fptr = CFUNCTYPE(None)
+class SHAstate_st(Structure):
+    pass
+SHAstate_st._fields_ = [
+    ('h0', c_uint),
+    ('h1', c_uint),
+    ('h2', c_uint),
+    ('h3', c_uint),
+    ('h4', c_uint),
+    ('Nl', c_uint),
+    ('Nh', c_uint),
+    ('data', c_uint * 16),
+    ('num', c_int),
+]
+assert sizeof(SHAstate_st) == 96, sizeof(SHAstate_st)
+assert alignment(SHAstate_st) == 4, alignment(SHAstate_st)
+SHA_CTX = SHAstate_st
+class ssl_st(Structure):
+    pass
+ssl_crock_st = POINTER(ssl_st)
+class ssl_cipher_st(Structure):
+    pass
+ssl_cipher_st._fields_ = [
+    ('valid', c_int),
+    ('name', STRING),
+    ('id', c_ulong),
+    ('algorithms', c_ulong),
+    ('algo_strength', c_ulong),
+    ('algorithm2', c_ulong),
+    ('strength_bits', c_int),
+    ('alg_bits', c_int),
+    ('mask', c_ulong),
+    ('mask_strength', c_ulong),
+]
+assert sizeof(ssl_cipher_st) == 40, sizeof(ssl_cipher_st)
+assert alignment(ssl_cipher_st) == 4, alignment(ssl_cipher_st)
+SSL_CIPHER = ssl_cipher_st
+SSL = ssl_st
+class ssl_ctx_st(Structure):
+    pass
+SSL_CTX = ssl_ctx_st
+class ssl_method_st(Structure):
+    pass
+class ssl3_enc_method(Structure):
+    pass
+ssl_method_st._fields_ = [
+    ('version', c_int),
+    ('ssl_new', CFUNCTYPE(c_int, POINTER(SSL))),
+    ('ssl_clear', CFUNCTYPE(None, POINTER(SSL))),
+    ('ssl_free', CFUNCTYPE(None, POINTER(SSL))),
+    ('ssl_accept', CFUNCTYPE(c_int, POINTER(SSL))),
+    ('ssl_connect', CFUNCTYPE(c_int, POINTER(SSL))),
+    ('ssl_read', CFUNCTYPE(c_int, POINTER(SSL), c_void_p, c_int)),
+    ('ssl_peek', CFUNCTYPE(c_int, POINTER(SSL), c_void_p, c_int)),
+    ('ssl_write', CFUNCTYPE(c_int, POINTER(SSL), c_void_p, c_int)),
+    ('ssl_shutdown', CFUNCTYPE(c_int, POINTER(SSL))),
+    ('ssl_renegotiate', CFUNCTYPE(c_int, POINTER(SSL))),
+    ('ssl_renegotiate_check', CFUNCTYPE(c_int, POINTER(SSL))),
+    ('ssl_ctrl', CFUNCTYPE(c_long, POINTER(SSL), c_int, c_long, c_void_p)),
+    ('ssl_ctx_ctrl', CFUNCTYPE(c_long, POINTER(SSL_CTX), c_int, c_long, c_void_p)),
+    ('get_cipher_by_char', CFUNCTYPE(POINTER(SSL_CIPHER), POINTER(c_ubyte))),
+    ('put_cipher_by_char', CFUNCTYPE(c_int, POINTER(SSL_CIPHER), POINTER(c_ubyte))),
+    ('ssl_pending', CFUNCTYPE(c_int, POINTER(SSL))),
+    ('num_ciphers', CFUNCTYPE(c_int)),
+    ('get_cipher', CFUNCTYPE(POINTER(SSL_CIPHER), c_uint)),
+    ('get_ssl_method', CFUNCTYPE(POINTER(ssl_method_st), c_int)),
+    ('get_timeout', CFUNCTYPE(c_long)),
+    ('ssl3_enc', POINTER(ssl3_enc_method)),
+    ('ssl_version', CFUNCTYPE(c_int)),
+    ('ssl_callback_ctrl', CFUNCTYPE(c_long, POINTER(SSL), c_int, CFUNCTYPE(None))),
+    ('ssl_ctx_callback_ctrl', CFUNCTYPE(c_long, POINTER(SSL_CTX), c_int, CFUNCTYPE(None))),
+]
+assert sizeof(ssl_method_st) == 100, sizeof(ssl_method_st)
+assert alignment(ssl_method_st) == 4, alignment(ssl_method_st)
+ssl3_enc_method._fields_ = [
+]
+SSL_METHOD = ssl_method_st
+class ssl_session_st(Structure):
+    pass
+class sess_cert_st(Structure):
+    pass
+ssl_session_st._fields_ = [
+    ('ssl_version', c_int),
+    ('key_arg_length', c_uint),
+    ('key_arg', c_ubyte * 8),
+    ('master_key_length', c_int),
+    ('master_key', c_ubyte * 48),
+    ('session_id_length', c_uint),
+    ('session_id', c_ubyte * 32),
+    ('sid_ctx_length', c_uint),
+    ('sid_ctx', c_ubyte * 32),
+    ('not_resumable', c_int),
+    ('sess_cert', POINTER(sess_cert_st)),
+    ('peer', POINTER(X509)),
+    ('verify_result', c_long),
+    ('references', c_int),
+    ('timeout', c_long),
+    ('time', c_long),
+    ('compress_meth', c_int),
+    ('cipher', POINTER(SSL_CIPHER)),
+    ('cipher_id', c_ulong),
+    ('ciphers', POINTER(STACK)),
+    ('ex_data', CRYPTO_EX_DATA),
+    ('prev', POINTER(ssl_session_st)),
+    ('next', POINTER(ssl_session_st)),
+]
+assert sizeof(ssl_session_st) == 200, sizeof(ssl_session_st)
+assert alignment(ssl_session_st) == 4, alignment(ssl_session_st)
+sess_cert_st._fields_ = [
+]
+SSL_SESSION = ssl_session_st
+GEN_SESSION_CB = CFUNCTYPE(c_int, POINTER(SSL), POINTER(c_ubyte), POINTER(c_uint))
+class ssl_comp_st(Structure):
+    pass
+ssl_comp_st._fields_ = [
+    ('id', c_int),
+    ('name', STRING),
+    ('method', POINTER(COMP_METHOD)),
+]
+assert sizeof(ssl_comp_st) == 12, sizeof(ssl_comp_st)
+assert alignment(ssl_comp_st) == 4, alignment(ssl_comp_st)
+SSL_COMP = ssl_comp_st
+class N10ssl_ctx_st4DOLLAR_18E(Structure):
+    pass
+N10ssl_ctx_st4DOLLAR_18E._fields_ = [
+    ('sess_connect', c_int),
+    ('sess_connect_renegotiate', c_int),
+    ('sess_connect_good', c_int),
+    ('sess_accept', c_int),
+    ('sess_accept_renegotiate', c_int),
+    ('sess_accept_good', c_int),
+    ('sess_miss', c_int),
+    ('sess_timeout', c_int),
+    ('sess_cache_full', c_int),
+    ('sess_hit', c_int),
+    ('sess_cb_hit', c_int),
+]
+assert sizeof(N10ssl_ctx_st4DOLLAR_18E) == 44, sizeof(N10ssl_ctx_st4DOLLAR_18E)
+assert alignment(N10ssl_ctx_st4DOLLAR_18E) == 4, alignment(N10ssl_ctx_st4DOLLAR_18E)
+class cert_st(Structure):
+    pass
+ssl_ctx_st._fields_ = [
+    ('method', POINTER(SSL_METHOD)),
+    ('cipher_list', POINTER(STACK)),
+    ('cipher_list_by_id', POINTER(STACK)),
+    ('cert_store', POINTER(x509_store_st)),
+    ('sessions', POINTER(lhash_st)),
+    ('session_cache_size', c_ulong),
+    ('session_cache_head', POINTER(ssl_session_st)),
+    ('session_cache_tail', POINTER(ssl_session_st)),
+    ('session_cache_mode', c_int),
+    ('session_timeout', c_long),
+    ('new_session_cb', CFUNCTYPE(c_int, POINTER(ssl_st), POINTER(SSL_SESSION))),
+    ('remove_session_cb', CFUNCTYPE(None, POINTER(ssl_ctx_st), POINTER(SSL_SESSION))),
+    ('get_session_cb', CFUNCTYPE(POINTER(SSL_SESSION), POINTER(ssl_st), POINTER(c_ubyte), c_int, POINTER(c_int))),
+    ('stats', N10ssl_ctx_st4DOLLAR_18E),
+    ('references', c_int),
+    ('app_verify_callback', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX), c_void_p)),
+    ('app_verify_arg', c_void_p),
+    ('default_passwd_callback', POINTER(pem_password_cb)),
+    ('default_passwd_callback_userdata', c_void_p),
+    ('client_cert_cb', CFUNCTYPE(c_int, POINTER(SSL), POINTER(POINTER(X509)), POINTER(POINTER(EVP_PKEY)))),
+    ('ex_data', CRYPTO_EX_DATA),
+    ('rsa_md5', POINTER(EVP_MD)),
+    ('md5', POINTER(EVP_MD)),
+    ('sha1', POINTER(EVP_MD)),
+    ('extra_certs', POINTER(STACK)),
+    ('comp_methods', POINTER(STACK)),
+    ('info_callback', CFUNCTYPE(None, POINTER(SSL), c_int, c_int)),
+    ('client_CA', POINTER(STACK)),
+    ('options', c_ulong),
+    ('mode', c_ulong),
+    ('max_cert_list', c_long),
+    ('cert', POINTER(cert_st)),
+    ('read_ahead', c_int),
+    ('msg_callback', CFUNCTYPE(None, c_int, c_int, c_int, c_void_p, c_ulong, POINTER(SSL), c_void_p)),
+    ('msg_callback_arg', c_void_p),
+    ('verify_mode', c_int),
+    ('verify_depth', c_int),
+    ('sid_ctx_length', c_uint),
+    ('sid_ctx', c_ubyte * 32),
+    ('default_verify_callback', CFUNCTYPE(c_int, c_int, POINTER(X509_STORE_CTX))),
+    ('generate_session_id', GEN_SESSION_CB),
+    ('purpose', c_int),
+    ('trust', c_int),
+    ('quiet_shutdown', c_int),
+]
+assert sizeof(ssl_ctx_st) == 248, sizeof(ssl_ctx_st)
+assert alignment(ssl_ctx_st) == 4, alignment(ssl_ctx_st)
+cert_st._fields_ = [
+]
+class ssl2_state_st(Structure):
+    pass
+class ssl3_state_st(Structure):
+    pass
+ssl_st._fields_ = [
+    ('version', c_int),
+    ('type', c_int),
+    ('method', POINTER(SSL_METHOD)),
+    ('rbio', POINTER(BIO)),
+    ('wbio', POINTER(BIO)),
+    ('bbio', POINTER(BIO)),
+    ('rwstate', c_int),
+    ('in_handshake', c_int),
+    ('handshake_func', CFUNCTYPE(c_int)),
+    ('server', c_int),
+    ('new_session', c_int),
+    ('quiet_shutdown', c_int),
+    ('shutdown', c_int),
+    ('state', c_int),
+    ('rstate', c_int),
+    ('init_buf', POINTER(BUF_MEM)),
+    ('init_msg', c_void_p),
+    ('init_num', c_int),
+    ('init_off', c_int),
+    ('packet', POINTER(c_ubyte)),
+    ('packet_length', c_uint),
+    ('s2', POINTER(ssl2_state_st)),
+    ('s3', POINTER(ssl3_state_st)),
+    ('read_ahead', c_int),
+    ('msg_callback', CFUNCTYPE(None, c_int, c_int, c_int, c_void_p, c_ulong, POINTER(SSL), c_void_p)),
+    ('msg_callback_arg', c_void_p),
+    ('hit', c_int),
+    ('purpose', c_int),
+    ('trust', c_int),
+    ('cipher_list', POINTER(STACK)),
+    ('cipher_list_by_id', POINTER(STACK)),
+    ('enc_read_ctx', POINTER(EVP_CIPHER_CTX)),
+    ('read_hash', POINTER(EVP_MD)),
+    ('expand', POINTER(COMP_CTX)),
+    ('enc_write_ctx', POINTER(EVP_CIPHER_CTX)),
+    ('write_hash', POINTER(EVP_MD)),
+    ('compress', POINTER(COMP_CTX)),
+    ('cert', POINTER(cert_st)),
+    ('sid_ctx_length', c_uint),
+    ('sid_ctx', c_ubyte * 32),
+    ('session', POINTER(SSL_SESSION)),
+    ('generate_session_id', GEN_SESSION_CB),
+    ('verify_mode', c_int),
+    ('verify_depth', c_int),
+    ('verify_callback', CFUNCTYPE(c_int, c_int, POINTER(X509_STORE_CTX))),
+    ('info_callback', CFUNCTYPE(None, POINTER(SSL), c_int, c_int)),
+    ('error', c_int),
+    ('error_code', c_int),
+    ('ctx', POINTER(SSL_CTX)),
+    ('debug', c_int),
+    ('verify_result', c_long),
+    ('ex_data', CRYPTO_EX_DATA),
+    ('client_CA', POINTER(STACK)),
+    ('references', c_int),
+    ('options', c_ulong),
+    ('mode', c_ulong),
+    ('max_cert_list', c_long),
+    ('first_packet', c_int),
+    ('client_version', c_int),
+]
+assert sizeof(ssl_st) == 268, sizeof(ssl_st)
+assert alignment(ssl_st) == 4, alignment(ssl_st)
+class N13ssl2_state_st4DOLLAR_19E(Structure):
+    pass
+N13ssl2_state_st4DOLLAR_19E._fields_ = [
+    ('conn_id_length', c_uint),
+    ('cert_type', c_uint),
+    ('cert_length', c_uint),
+    ('csl', c_uint),
+    ('clear', c_uint),
+    ('enc', c_uint),
+    ('ccl', c_ubyte * 32),
+    ('cipher_spec_length', c_uint),
+    ('session_id_length', c_uint),
+    ('clen', c_uint),
+    ('rlen', c_uint),
+]
+assert sizeof(N13ssl2_state_st4DOLLAR_19E) == 72, sizeof(N13ssl2_state_st4DOLLAR_19E)
+assert alignment(N13ssl2_state_st4DOLLAR_19E) == 4, alignment(N13ssl2_state_st4DOLLAR_19E)
+ssl2_state_st._fields_ = [
+    ('three_byte_header', c_int),
+    ('clear_text', c_int),
+    ('escape', c_int),
+    ('ssl2_rollback', c_int),
+    ('wnum', c_uint),
+    ('wpend_tot', c_int),
+    ('wpend_buf', POINTER(c_ubyte)),
+    ('wpend_off', c_int),
+    ('wpend_len', c_int),
+    ('wpend_ret', c_int),
+    ('rbuf_left', c_int),
+    ('rbuf_offs', c_int),
+    ('rbuf', POINTER(c_ubyte)),
+    ('wbuf', POINTER(c_ubyte)),
+    ('write_ptr', POINTER(c_ubyte)),
+    ('padding', c_uint),
+    ('rlength', c_uint),
+    ('ract_data_length', c_int),
+    ('wlength', c_uint),
+    ('wact_data_length', c_int),
+    ('ract_data', POINTER(c_ubyte)),
+    ('wact_data', POINTER(c_ubyte)),
+    ('mac_data', POINTER(c_ubyte)),
+    ('read_key', POINTER(c_ubyte)),
+    ('write_key', POINTER(c_ubyte)),
+    ('challenge_length', c_uint),
+    ('challenge', c_ubyte * 32),
+    ('conn_id_length', c_uint),
+    ('conn_id', c_ubyte * 16),
+    ('key_material_length', c_uint),
+    ('key_material', c_ubyte * 48),
+    ('read_sequence', c_ulong),
+    ('write_sequence', c_ulong),
+    ('tmp', N13ssl2_state_st4DOLLAR_19E),
+]
+assert sizeof(ssl2_state_st) == 288, sizeof(ssl2_state_st)
+assert alignment(ssl2_state_st) == 4, alignment(ssl2_state_st)
+SSL2_STATE = ssl2_state_st
+class ssl3_record_st(Structure):
+    pass
+ssl3_record_st._fields_ = [
+    ('type', c_int),
+    ('length', c_uint),
+    ('off', c_uint),
+    ('data', POINTER(c_ubyte)),
+    ('input', POINTER(c_ubyte)),
+    ('comp', POINTER(c_ubyte)),
+]
+assert sizeof(ssl3_record_st) == 24, sizeof(ssl3_record_st)
+assert alignment(ssl3_record_st) == 4, alignment(ssl3_record_st)
+SSL3_RECORD = ssl3_record_st
+class ssl3_buffer_st(Structure):
+    pass
+size_t = __darwin_size_t
+ssl3_buffer_st._fields_ = [
+    ('buf', POINTER(c_ubyte)),
+    ('len', size_t),
+    ('offset', c_int),
+    ('left', c_int),
+]
+assert sizeof(ssl3_buffer_st) == 16, sizeof(ssl3_buffer_st)
+assert alignment(ssl3_buffer_st) == 4, alignment(ssl3_buffer_st)
+SSL3_BUFFER = ssl3_buffer_st
+class N13ssl3_state_st4DOLLAR_20E(Structure):
+    pass
+N13ssl3_state_st4DOLLAR_20E._fields_ = [
+    ('cert_verify_md', c_ubyte * 72),
+    ('finish_md', c_ubyte * 72),
+    ('finish_md_len', c_int),
+    ('peer_finish_md', c_ubyte * 72),
+    ('peer_finish_md_len', c_int),
+    ('message_size', c_ulong),
+    ('message_type', c_int),
+    ('new_cipher', POINTER(SSL_CIPHER)),
+    ('dh', POINTER(DH)),
+    ('next_state', c_int),
+    ('reuse_message', c_int),
+    ('cert_req', c_int),
+    ('ctype_num', c_int),
+    ('ctype', c_char * 7),
+    ('ca_names', POINTER(STACK)),
+    ('use_rsa_tmp', c_int),
+    ('key_block_length', c_int),
+    ('key_block', POINTER(c_ubyte)),
+    ('new_sym_enc', POINTER(EVP_CIPHER)),
+    ('new_hash', POINTER(EVP_MD)),
+    ('new_compression', POINTER(SSL_COMP)),
+    ('cert_request', c_int),
+]
+assert sizeof(N13ssl3_state_st4DOLLAR_20E) == 296, sizeof(N13ssl3_state_st4DOLLAR_20E)
+assert alignment(N13ssl3_state_st4DOLLAR_20E) == 4, alignment(N13ssl3_state_st4DOLLAR_20E)
+ssl3_state_st._fields_ = [
+    ('flags', c_long),
+    ('delay_buf_pop_ret', c_int),
+    ('read_sequence', c_ubyte * 8),
+    ('read_mac_secret', c_ubyte * 36),
+    ('write_sequence', c_ubyte * 8),
+    ('write_mac_secret', c_ubyte * 36),
+    ('server_random', c_ubyte * 32),
+    ('client_random', c_ubyte * 32),
+    ('need_empty_fragments', c_int),
+    ('empty_fragment_done', c_int),
+    ('rbuf', SSL3_BUFFER),
+    ('wbuf', SSL3_BUFFER),
+    ('rrec', SSL3_RECORD),
+    ('wrec', SSL3_RECORD),
+    ('alert_fragment', c_ubyte * 2),
+    ('alert_fragment_len', c_uint),
+    ('handshake_fragment', c_ubyte * 4),
+    ('handshake_fragment_len', c_uint),
+    ('wnum', c_uint),
+    ('wpend_tot', c_int),
+    ('wpend_type', c_int),
+    ('wpend_ret', c_int),
+    ('wpend_buf', POINTER(c_ubyte)),
+    ('finish_dgst1', EVP_MD_CTX),
+    ('finish_dgst2', EVP_MD_CTX),
+    ('change_cipher_spec', c_int),
+    ('warn_alert', c_int),
+    ('fatal_alert', c_int),
+    ('alert_dispatch', c_int),
+    ('send_alert', c_ubyte * 2),
+    ('renegotiate', c_int),
+    ('total_renegotiations', c_int),
+    ('num_renegotiations', c_int),
+    ('in_read_app_data', c_int),
+    ('tmp', N13ssl3_state_st4DOLLAR_20E),
+]
+assert sizeof(ssl3_state_st) == 648, sizeof(ssl3_state_st)
+assert alignment(ssl3_state_st) == 4, alignment(ssl3_state_st)
+SSL3_STATE = ssl3_state_st
+stack_st._fields_ = [
+    ('num', c_int),
+    ('data', POINTER(STRING)),
+    ('sorted', c_int),
+    ('num_alloc', c_int),
+    ('comp', CFUNCTYPE(c_int, POINTER(STRING), POINTER(STRING))),
+]
+assert sizeof(stack_st) == 20, sizeof(stack_st)
+assert alignment(stack_st) == 4, alignment(stack_st)
+class ui_st(Structure):
+    pass
+ui_st._fields_ = [
+]
+UI = ui_st
+class ui_method_st(Structure):
+    pass
+ui_method_st._fields_ = [
+]
+UI_METHOD = ui_method_st
+class ui_string_st(Structure):
+    pass
+ui_string_st._fields_ = [
+]
+UI_STRING = ui_string_st
+
+# values for enumeration 'UI_string_types'
+UI_string_types = c_int # enum
+class X509_objects_st(Structure):
+    pass
+X509_objects_st._fields_ = [
+    ('nid', c_int),
+    ('a2i', CFUNCTYPE(c_int)),
+    ('i2a', CFUNCTYPE(c_int)),
+]
+assert sizeof(X509_objects_st) == 12, sizeof(X509_objects_st)
+assert alignment(X509_objects_st) == 4, alignment(X509_objects_st)
+X509_OBJECTS = X509_objects_st
+X509_algor_st._fields_ = [
+    ('algorithm', POINTER(ASN1_OBJECT)),
+    ('parameter', POINTER(ASN1_TYPE)),
+]
+assert sizeof(X509_algor_st) == 8, sizeof(X509_algor_st)
+assert alignment(X509_algor_st) == 4, alignment(X509_algor_st)
+class X509_val_st(Structure):
+    pass
+X509_val_st._fields_ = [
+    ('notBefore', POINTER(ASN1_TIME)),
+    ('notAfter', POINTER(ASN1_TIME)),
+]
+assert sizeof(X509_val_st) == 8, sizeof(X509_val_st)
+assert alignment(X509_val_st) == 4, alignment(X509_val_st)
+X509_VAL = X509_val_st
+class X509_pubkey_st(Structure):
+    pass
+X509_pubkey_st._fields_ = [
+    ('algor', POINTER(X509_ALGOR)),
+    ('public_key', POINTER(ASN1_BIT_STRING)),
+    ('pkey', POINTER(EVP_PKEY)),
+]
+assert sizeof(X509_pubkey_st) == 12, sizeof(X509_pubkey_st)
+assert alignment(X509_pubkey_st) == 4, alignment(X509_pubkey_st)
+X509_PUBKEY = X509_pubkey_st
+class X509_sig_st(Structure):
+    pass
+X509_sig_st._fields_ = [
+    ('algor', POINTER(X509_ALGOR)),
+    ('digest', POINTER(ASN1_OCTET_STRING)),
+]
+assert sizeof(X509_sig_st) == 8, sizeof(X509_sig_st)
+assert alignment(X509_sig_st) == 4, alignment(X509_sig_st)
+X509_SIG = X509_sig_st
+class X509_name_entry_st(Structure):
+    pass
+X509_name_entry_st._fields_ = [
+    ('object', POINTER(ASN1_OBJECT)),
+    ('value', POINTER(ASN1_STRING)),
+    ('set', c_int),
+    ('size', c_int),
+]
+assert sizeof(X509_name_entry_st) == 16, sizeof(X509_name_entry_st)
+assert alignment(X509_name_entry_st) == 4, alignment(X509_name_entry_st)
+X509_NAME_ENTRY = X509_name_entry_st
+X509_name_st._fields_ = [
+    ('entries', POINTER(STACK)),
+    ('modified', c_int),
+    ('bytes', POINTER(BUF_MEM)),
+    ('hash', c_ulong),
+]
+assert sizeof(X509_name_st) == 16, sizeof(X509_name_st)
+assert alignment(X509_name_st) == 4, alignment(X509_name_st)
+class X509_extension_st(Structure):
+    pass
+X509_extension_st._fields_ = [
+    ('object', POINTER(ASN1_OBJECT)),
+    ('critical', ASN1_BOOLEAN),
+    ('value', POINTER(ASN1_OCTET_STRING)),
+]
+assert sizeof(X509_extension_st) == 12, sizeof(X509_extension_st)
+assert alignment(X509_extension_st) == 4, alignment(X509_extension_st)
+X509_EXTENSION = X509_extension_st
+class x509_attributes_st(Structure):
+    pass
+class N18x509_attributes_st4DOLLAR_13E(Union):
+    pass
+N18x509_attributes_st4DOLLAR_13E._fields_ = [
+    ('ptr', STRING),
+    ('set', POINTER(STACK)),
+    ('single', POINTER(ASN1_TYPE)),
+]
+assert sizeof(N18x509_attributes_st4DOLLAR_13E) == 4, sizeof(N18x509_attributes_st4DOLLAR_13E)
+assert alignment(N18x509_attributes_st4DOLLAR_13E) == 4, alignment(N18x509_attributes_st4DOLLAR_13E)
+x509_attributes_st._fields_ = [
+    ('object', POINTER(ASN1_OBJECT)),
+    ('single', c_int),
+    ('value', N18x509_attributes_st4DOLLAR_13E),
+]
+assert sizeof(x509_attributes_st) == 12, sizeof(x509_attributes_st)
+assert alignment(x509_attributes_st) == 4, alignment(x509_attributes_st)
+X509_ATTRIBUTE = x509_attributes_st
+class X509_req_info_st(Structure):
+    pass
+X509_req_info_st._fields_ = [
+    ('enc', ASN1_ENCODING),
+    ('version', POINTER(ASN1_INTEGER)),
+    ('subject', POINTER(X509_NAME)),
+    ('pubkey', POINTER(X509_PUBKEY)),
+    ('attributes', POINTER(STACK)),
+]
+assert sizeof(X509_req_info_st) == 28, sizeof(X509_req_info_st)
+assert alignment(X509_req_info_st) == 4, alignment(X509_req_info_st)
+X509_REQ_INFO = X509_req_info_st
+class X509_req_st(Structure):
+    pass
+X509_req_st._fields_ = [
+    ('req_info', POINTER(X509_REQ_INFO)),
+    ('sig_alg', POINTER(X509_ALGOR)),
+    ('signature', POINTER(ASN1_BIT_STRING)),
+    ('references', c_int),
+]
+assert sizeof(X509_req_st) == 16, sizeof(X509_req_st)
+assert alignment(X509_req_st) == 4, alignment(X509_req_st)
+X509_REQ = X509_req_st
+class x509_cinf_st(Structure):
+    pass
+x509_cinf_st._fields_ = [
+    ('version', POINTER(ASN1_INTEGER)),
+    ('serialNumber', POINTER(ASN1_INTEGER)),
+    ('signature', POINTER(X509_ALGOR)),
+    ('issuer', POINTER(X509_NAME)),
+    ('validity', POINTER(X509_VAL)),
+    ('subject', POINTER(X509_NAME)),
+    ('key', POINTER(X509_PUBKEY)),
+    ('issuerUID', POINTER(ASN1_BIT_STRING)),
+    ('subjectUID', POINTER(ASN1_BIT_STRING)),
+    ('extensions', POINTER(STACK)),
+]
+assert sizeof(x509_cinf_st) == 40, sizeof(x509_cinf_st)
+assert alignment(x509_cinf_st) == 4, alignment(x509_cinf_st)
+X509_CINF = x509_cinf_st
+class x509_cert_aux_st(Structure):
+    pass
+x509_cert_aux_st._fields_ = [
+    ('trust', POINTER(STACK)),
+    ('reject', POINTER(STACK)),
+    ('alias', POINTER(ASN1_UTF8STRING)),
+    ('keyid', POINTER(ASN1_OCTET_STRING)),
+    ('other', POINTER(STACK)),
+]
+assert sizeof(x509_cert_aux_st) == 20, sizeof(x509_cert_aux_st)
+assert alignment(x509_cert_aux_st) == 4, alignment(x509_cert_aux_st)
+X509_CERT_AUX = x509_cert_aux_st
+class AUTHORITY_KEYID_st(Structure):
+    pass
+x509_st._fields_ = [
+    ('cert_info', POINTER(X509_CINF)),
+    ('sig_alg', POINTER(X509_ALGOR)),
+    ('signature', POINTER(ASN1_BIT_STRING)),
+    ('valid', c_int),
+    ('references', c_int),
+    ('name', STRING),
+    ('ex_data', CRYPTO_EX_DATA),
+    ('ex_pathlen', c_long),
+    ('ex_flags', c_ulong),
+    ('ex_kusage', c_ulong),
+    ('ex_xkusage', c_ulong),
+    ('ex_nscert', c_ulong),
+    ('skid', POINTER(ASN1_OCTET_STRING)),
+    ('akid', POINTER(AUTHORITY_KEYID_st)),
+    ('sha1_hash', c_ubyte * 20),
+    ('aux', POINTER(X509_CERT_AUX)),
+]
+assert sizeof(x509_st) == 84, sizeof(x509_st)
+assert alignment(x509_st) == 4, alignment(x509_st)
+AUTHORITY_KEYID_st._fields_ = [
+]
+class x509_trust_st(Structure):
+    pass
+x509_trust_st._fields_ = [
+    ('trust', c_int),
+    ('flags', c_int),
+    ('check_trust', CFUNCTYPE(c_int, POINTER(x509_trust_st), POINTER(X509), c_int)),
+    ('name', STRING),
+    ('arg1', c_int),
+    ('arg2', c_void_p),
+]
+assert sizeof(x509_trust_st) == 24, sizeof(x509_trust_st)
+assert alignment(x509_trust_st) == 4, alignment(x509_trust_st)
+X509_TRUST = x509_trust_st
+class X509_revoked_st(Structure):
+    pass
+X509_revoked_st._fields_ = [
+    ('serialNumber', POINTER(ASN1_INTEGER)),
+    ('revocationDate', POINTER(ASN1_TIME)),
+    ('extensions', POINTER(STACK)),
+    ('sequence', c_int),
+]
+assert sizeof(X509_revoked_st) == 16, sizeof(X509_revoked_st)
+assert alignment(X509_revoked_st) == 4, alignment(X509_revoked_st)
+X509_REVOKED = X509_revoked_st
+class X509_crl_info_st(Structure):
+    pass
+X509_crl_info_st._fields_ = [
+    ('version', POINTER(ASN1_INTEGER)),
+    ('sig_alg', POINTER(X509_ALGOR)),
+    ('issuer', POINTER(X509_NAME)),
+    ('lastUpdate', POINTER(ASN1_TIME)),
+    ('nextUpdate', POINTER(ASN1_TIME)),
+    ('revoked', POINTER(STACK)),
+    ('extensions', POINTER(STACK)),
+    ('enc', ASN1_ENCODING),
+]
+assert sizeof(X509_crl_info_st) == 40, sizeof(X509_crl_info_st)
+assert alignment(X509_crl_info_st) == 4, alignment(X509_crl_info_st)
+X509_CRL_INFO = X509_crl_info_st
+X509_crl_st._fields_ = [
+    ('crl', POINTER(X509_CRL_INFO)),
+    ('sig_alg', POINTER(X509_ALGOR)),
+    ('signature', POINTER(ASN1_BIT_STRING)),
+    ('references', c_int),
+]
+assert sizeof(X509_crl_st) == 16, sizeof(X509_crl_st)
+assert alignment(X509_crl_st) == 4, alignment(X509_crl_st)
+class private_key_st(Structure):
+    pass
+private_key_st._fields_ = [
+    ('version', c_int),
+    ('enc_algor', POINTER(X509_ALGOR)),
+    ('enc_pkey', POINTER(ASN1_OCTET_STRING)),
+    ('dec_pkey', POINTER(EVP_PKEY)),
+    ('key_length', c_int),
+    ('key_data', STRING),
+    ('key_free', c_int),
+    ('cipher', EVP_CIPHER_INFO),
+    ('references', c_int),
+]
+assert sizeof(private_key_st) == 52, sizeof(private_key_st)
+assert alignment(private_key_st) == 4, alignment(private_key_st)
+X509_PKEY = private_key_st
+class X509_info_st(Structure):
+    pass
+X509_info_st._fields_ = [
+    ('x509', POINTER(X509)),
+    ('crl', POINTER(X509_CRL)),
+    ('x_pkey', POINTER(X509_PKEY)),
+    ('enc_cipher', EVP_CIPHER_INFO),
+    ('enc_len', c_int),
+    ('enc_data', STRING),
+    ('references', c_int),
+]
+assert sizeof(X509_info_st) == 44, sizeof(X509_info_st)
+assert alignment(X509_info_st) == 4, alignment(X509_info_st)
+X509_INFO = X509_info_st
+class Netscape_spkac_st(Structure):
+    pass
+Netscape_spkac_st._fields_ = [
+    ('pubkey', POINTER(X509_PUBKEY)),
+    ('challenge', POINTER(ASN1_IA5STRING)),
+]
+assert sizeof(Netscape_spkac_st) == 8, sizeof(Netscape_spkac_st)
+assert alignment(Netscape_spkac_st) == 4, alignment(Netscape_spkac_st)
+NETSCAPE_SPKAC = Netscape_spkac_st
+class Netscape_spki_st(Structure):
+    pass
+Netscape_spki_st._fields_ = [
+    ('spkac', POINTER(NETSCAPE_SPKAC)),
+    ('sig_algor', POINTER(X509_ALGOR)),
+    ('signature', POINTER(ASN1_BIT_STRING)),
+]
+assert sizeof(Netscape_spki_st) == 12, sizeof(Netscape_spki_st)
+assert alignment(Netscape_spki_st) == 4, alignment(Netscape_spki_st)
+NETSCAPE_SPKI = Netscape_spki_st
+class Netscape_certificate_sequence(Structure):
+    pass
+Netscape_certificate_sequence._fields_ = [
+    ('type', POINTER(ASN1_OBJECT)),
+    ('certs', POINTER(STACK)),
+]
+assert sizeof(Netscape_certificate_sequence) == 8, sizeof(Netscape_certificate_sequence)
+assert alignment(Netscape_certificate_sequence) == 4, alignment(Netscape_certificate_sequence)
+NETSCAPE_CERT_SEQUENCE = Netscape_certificate_sequence
+class PBEPARAM_st(Structure):
+    pass
+PBEPARAM_st._fields_ = [
+    ('salt', POINTER(ASN1_OCTET_STRING)),
+    ('iter', POINTER(ASN1_INTEGER)),
+]
+assert sizeof(PBEPARAM_st) == 8, sizeof(PBEPARAM_st)
+assert alignment(PBEPARAM_st) == 4, alignment(PBEPARAM_st)
+PBEPARAM = PBEPARAM_st
+class PBE2PARAM_st(Structure):
+    pass
+PBE2PARAM_st._fields_ = [
+    ('keyfunc', POINTER(X509_ALGOR)),
+    ('encryption', POINTER(X509_ALGOR)),
+]
+assert sizeof(PBE2PARAM_st) == 8, sizeof(PBE2PARAM_st)
+assert alignment(PBE2PARAM_st) == 4, alignment(PBE2PARAM_st)
+PBE2PARAM = PBE2PARAM_st
+class PBKDF2PARAM_st(Structure):
+    pass
+PBKDF2PARAM_st._fields_ = [
+    ('salt', POINTER(ASN1_TYPE)),
+    ('iter', POINTER(ASN1_INTEGER)),
+    ('keylength', POINTER(ASN1_INTEGER)),
+    ('prf', POINTER(X509_ALGOR)),
+]
+assert sizeof(PBKDF2PARAM_st) == 16, sizeof(PBKDF2PARAM_st)
+assert alignment(PBKDF2PARAM_st) == 4, alignment(PBKDF2PARAM_st)
+PBKDF2PARAM = PBKDF2PARAM_st
+class pkcs8_priv_key_info_st(Structure):
+    pass
+pkcs8_priv_key_info_st._fields_ = [
+    ('broken', c_int),
+    ('version', POINTER(ASN1_INTEGER)),
+    ('pkeyalg', POINTER(X509_ALGOR)),
+    ('pkey', POINTER(ASN1_TYPE)),
+    ('attributes', POINTER(STACK)),
+]
+assert sizeof(pkcs8_priv_key_info_st) == 20, sizeof(pkcs8_priv_key_info_st)
+assert alignment(pkcs8_priv_key_info_st) == 4, alignment(pkcs8_priv_key_info_st)
+PKCS8_PRIV_KEY_INFO = pkcs8_priv_key_info_st
+class x509_hash_dir_st(Structure):
+    pass
+x509_hash_dir_st._fields_ = [
+    ('num_dirs', c_int),
+    ('dirs', POINTER(STRING)),
+    ('dirs_type', POINTER(c_int)),
+    ('num_dirs_alloced', c_int),
+]
+assert sizeof(x509_hash_dir_st) == 16, sizeof(x509_hash_dir_st)
+assert alignment(x509_hash_dir_st) == 4, alignment(x509_hash_dir_st)
+X509_HASH_DIR_CTX = x509_hash_dir_st
+class x509_file_st(Structure):
+    pass
+x509_file_st._fields_ = [
+    ('num_paths', c_int),
+    ('num_alloced', c_int),
+    ('paths', POINTER(STRING)),
+    ('path_type', POINTER(c_int)),
+]
+assert sizeof(x509_file_st) == 16, sizeof(x509_file_st)
+assert alignment(x509_file_st) == 4, alignment(x509_file_st)
+X509_CERT_FILE_CTX = x509_file_st
+class x509_object_st(Structure):
+    pass
+class N14x509_object_st4DOLLAR_14E(Union):
+    pass
+N14x509_object_st4DOLLAR_14E._fields_ = [
+    ('ptr', STRING),
+    ('x509', POINTER(X509)),
+    ('crl', POINTER(X509_CRL)),
+    ('pkey', POINTER(EVP_PKEY)),
+]
+assert sizeof(N14x509_object_st4DOLLAR_14E) == 4, sizeof(N14x509_object_st4DOLLAR_14E)
+assert alignment(N14x509_object_st4DOLLAR_14E) == 4, alignment(N14x509_object_st4DOLLAR_14E)
+x509_object_st._fields_ = [
+    ('type', c_int),
+    ('data', N14x509_object_st4DOLLAR_14E),
+]
+assert sizeof(x509_object_st) == 8, sizeof(x509_object_st)
+assert alignment(x509_object_st) == 4, alignment(x509_object_st)
+X509_OBJECT = x509_object_st
+class x509_lookup_st(Structure):
+    pass
+X509_LOOKUP = x509_lookup_st
+class x509_lookup_method_st(Structure):
+    pass
+x509_lookup_method_st._fields_ = [
+    ('name', STRING),
+    ('new_item', CFUNCTYPE(c_int, POINTER(X509_LOOKUP))),
+    ('free', CFUNCTYPE(None, POINTER(X509_LOOKUP))),
+    ('init', CFUNCTYPE(c_int, POINTER(X509_LOOKUP))),
+    ('shutdown', CFUNCTYPE(c_int, POINTER(X509_LOOKUP))),
+    ('ctrl', CFUNCTYPE(c_int, POINTER(X509_LOOKUP), c_int, STRING, c_long, POINTER(STRING))),
+    ('get_by_subject', CFUNCTYPE(c_int, POINTER(X509_LOOKUP), c_int, POINTER(X509_NAME), POINTER(X509_OBJECT))),
+    ('get_by_issuer_serial', CFUNCTYPE(c_int, POINTER(X509_LOOKUP), c_int, POINTER(X509_NAME), POINTER(ASN1_INTEGER), POINTER(X509_OBJECT))),
+    ('get_by_fingerprint', CFUNCTYPE(c_int, POINTER(X509_LOOKUP), c_int, POINTER(c_ubyte), c_int, POINTER(X509_OBJECT))),
+    ('get_by_alias', CFUNCTYPE(c_int, POINTER(X509_LOOKUP), c_int, STRING, c_int, POINTER(X509_OBJECT))),
+]
+assert sizeof(x509_lookup_method_st) == 40, sizeof(x509_lookup_method_st)
+assert alignment(x509_lookup_method_st) == 4, alignment(x509_lookup_method_st)
+X509_LOOKUP_METHOD = x509_lookup_method_st
+x509_store_st._fields_ = [
+    ('cache', c_int),
+    ('objs', POINTER(STACK)),
+    ('get_cert_methods', POINTER(STACK)),
+    ('flags', c_ulong),
+    ('purpose', c_int),
+    ('trust', c_int),
+    ('verify', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX))),
+    ('verify_cb', CFUNCTYPE(c_int, c_int, POINTER(X509_STORE_CTX))),
+    ('get_issuer', CFUNCTYPE(c_int, POINTER(POINTER(X509)), POINTER(X509_STORE_CTX), POINTER(X509))),
+    ('check_issued', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX), POINTER(X509), POINTER(X509))),
+    ('check_revocation', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX))),
+    ('get_crl', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX), POINTER(POINTER(X509_CRL)), POINTER(X509))),
+    ('check_crl', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX), POINTER(X509_CRL))),
+    ('cert_crl', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX), POINTER(X509_CRL), POINTER(X509))),
+    ('cleanup', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX))),
+    ('ex_data', CRYPTO_EX_DATA),
+    ('references', c_int),
+    ('depth', c_int),
+]
+assert sizeof(x509_store_st) == 76, sizeof(x509_store_st)
+assert alignment(x509_store_st) == 4, alignment(x509_store_st)
+x509_lookup_st._fields_ = [
+    ('init', c_int),
+    ('skip', c_int),
+    ('method', POINTER(X509_LOOKUP_METHOD)),
+    ('method_data', STRING),
+    ('store_ctx', POINTER(X509_STORE)),
+]
+assert sizeof(x509_lookup_st) == 20, sizeof(x509_lookup_st)
+assert alignment(x509_lookup_st) == 4, alignment(x509_lookup_st)
+time_t = __darwin_time_t
+x509_store_ctx_st._fields_ = [
+    ('ctx', POINTER(X509_STORE)),
+    ('current_method', c_int),
+    ('cert', POINTER(X509)),
+    ('untrusted', POINTER(STACK)),
+    ('purpose', c_int),
+    ('trust', c_int),
+    ('check_time', time_t),
+    ('flags', c_ulong),
+    ('other_ctx', c_void_p),
+    ('verify', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX))),
+    ('verify_cb', CFUNCTYPE(c_int, c_int, POINTER(X509_STORE_CTX))),
+    ('get_issuer', CFUNCTYPE(c_int, POINTER(POINTER(X509)), POINTER(X509_STORE_CTX), POINTER(X509))),
+    ('check_issued', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX), POINTER(X509), POINTER(X509))),
+    ('check_revocation', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX))),
+    ('get_crl', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX), POINTER(POINTER(X509_CRL)), POINTER(X509))),
+    ('check_crl', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX), POINTER(X509_CRL))),
+    ('cert_crl', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX), POINTER(X509_CRL), POINTER(X509))),
+    ('cleanup', CFUNCTYPE(c_int, POINTER(X509_STORE_CTX))),
+    ('depth', c_int),
+    ('valid', c_int),
+    ('last_untrusted', c_int),
+    ('chain', POINTER(STACK)),
+    ('error_depth', c_int),
+    ('error', c_int),
+    ('current_cert', POINTER(X509)),
+    ('current_issuer', POINTER(X509)),
+    ('current_crl', POINTER(X509_CRL)),
+    ('ex_data', CRYPTO_EX_DATA),
+]
+assert sizeof(x509_store_ctx_st) == 116, sizeof(x509_store_ctx_st)
+assert alignment(x509_store_ctx_st) == 4, alignment(x509_store_ctx_st)
+va_list = __darwin_va_list
+__darwin_off_t = __int64_t
+fpos_t = __darwin_off_t
+class __sbuf(Structure):
+    pass
+__sbuf._fields_ = [
+    ('_base', POINTER(c_ubyte)),
+    ('_size', c_int),
+]
+assert sizeof(__sbuf) == 8, sizeof(__sbuf)
+assert alignment(__sbuf) == 4, alignment(__sbuf)
+class __sFILEX(Structure):
+    pass
+__sFILEX._fields_ = [
+]
+class __sFILE(Structure):
+    pass
+__sFILE._pack_ = 4
+__sFILE._fields_ = [
+    ('_p', POINTER(c_ubyte)),
+    ('_r', c_int),
+    ('_w', c_int),
+    ('_flags', c_short),
+    ('_file', c_short),
+    ('_bf', __sbuf),
+    ('_lbfsize', c_int),
+    ('_cookie', c_void_p),
+    ('_close', CFUNCTYPE(c_int, c_void_p)),
+    ('_read', CFUNCTYPE(c_int, c_void_p, STRING, c_int)),
+    ('_seek', CFUNCTYPE(fpos_t, c_void_p, c_longlong, c_int)),
+    ('_write', CFUNCTYPE(c_int, c_void_p, STRING, c_int)),
+    ('_ub', __sbuf),
+    ('_extra', POINTER(__sFILEX)),
+    ('_ur', c_int),
+    ('_ubuf', c_ubyte * 3),
+    ('_nbuf', c_ubyte * 1),
+    ('_lb', __sbuf),
+    ('_blksize', c_int),
+    ('_offset', fpos_t),
+]
+assert sizeof(__sFILE) == 88, sizeof(__sFILE)
+assert alignment(__sFILE) == 4, alignment(__sFILE)
+FILE = __sFILE
+ct_rune_t = __darwin_ct_rune_t
+rune_t = __darwin_rune_t
+class div_t(Structure):
+    pass
+div_t._fields_ = [
+    ('quot', c_int),
+    ('rem', c_int),
+]
+assert sizeof(div_t) == 8, sizeof(div_t)
+assert alignment(div_t) == 4, alignment(div_t)
+class ldiv_t(Structure):
+    pass
+ldiv_t._fields_ = [
+    ('quot', c_long),
+    ('rem', c_long),
+]
+assert sizeof(ldiv_t) == 8, sizeof(ldiv_t)
+assert alignment(ldiv_t) == 4, alignment(ldiv_t)
+class lldiv_t(Structure):
+    pass
+lldiv_t._pack_ = 4
+lldiv_t._fields_ = [
+    ('quot', c_longlong),
+    ('rem', c_longlong),
+]
+assert sizeof(lldiv_t) == 16, sizeof(lldiv_t)
+assert alignment(lldiv_t) == 4, alignment(lldiv_t)
+__darwin_dev_t = __int32_t
+dev_t = __darwin_dev_t
+__darwin_mode_t = __uint16_t
+mode_t = __darwin_mode_t
+class mcontext(Structure):
+    pass
+mcontext._fields_ = [
+]
+class mcontext64(Structure):
+    pass
+mcontext64._fields_ = [
+]
+class __darwin_pthread_handler_rec(Structure):
+    pass
+__darwin_pthread_handler_rec._fields_ = [
+    ('__routine', CFUNCTYPE(None, c_void_p)),
+    ('__arg', c_void_p),
+    ('__next', POINTER(__darwin_pthread_handler_rec)),
+]
+assert sizeof(__darwin_pthread_handler_rec) == 12, sizeof(__darwin_pthread_handler_rec)
+assert alignment(__darwin_pthread_handler_rec) == 4, alignment(__darwin_pthread_handler_rec)
+class _opaque_pthread_attr_t(Structure):
+    pass
+_opaque_pthread_attr_t._fields_ = [
+    ('__sig', c_long),
+    ('__opaque', c_char * 36),
+]
+assert sizeof(_opaque_pthread_attr_t) == 40, sizeof(_opaque_pthread_attr_t)
+assert alignment(_opaque_pthread_attr_t) == 4, alignment(_opaque_pthread_attr_t)
+class _opaque_pthread_cond_t(Structure):
+    pass
+_opaque_pthread_cond_t._fields_ = [
+    ('__sig', c_long),
+    ('__opaque', c_char * 24),
+]
+assert sizeof(_opaque_pthread_cond_t) == 28, sizeof(_opaque_pthread_cond_t)
+assert alignment(_opaque_pthread_cond_t) == 4, alignment(_opaque_pthread_cond_t)
+class _opaque_pthread_condattr_t(Structure):
+    pass
+_opaque_pthread_condattr_t._fields_ = [
+    ('__sig', c_long),
+    ('__opaque', c_char * 4),
+]
+assert sizeof(_opaque_pthread_condattr_t) == 8, sizeof(_opaque_pthread_condattr_t)
+assert alignment(_opaque_pthread_condattr_t) == 4, alignment(_opaque_pthread_condattr_t)
+class _opaque_pthread_mutex_t(Structure):
+    pass
+_opaque_pthread_mutex_t._fields_ = [
+    ('__sig', c_long),
+    ('__opaque', c_char * 40),
+]
+assert sizeof(_opaque_pthread_mutex_t) == 44, sizeof(_opaque_pthread_mutex_t)
+assert alignment(_opaque_pthread_mutex_t) == 4, alignment(_opaque_pthread_mutex_t)
+class _opaque_pthread_mutexattr_t(Structure):
+    pass
+_opaque_pthread_mutexattr_t._fields_ = [
+    ('__sig', c_long),
+    ('__opaque', c_char * 8),
+]
+assert sizeof(_opaque_pthread_mutexattr_t) == 12, sizeof(_opaque_pthread_mutexattr_t)
+assert alignment(_opaque_pthread_mutexattr_t) == 4, alignment(_opaque_pthread_mutexattr_t)
+class _opaque_pthread_once_t(Structure):
+    pass
+_opaque_pthread_once_t._fields_ = [
+    ('__sig', c_long),
+    ('__opaque', c_char * 4),
+]
+assert sizeof(_opaque_pthread_once_t) == 8, sizeof(_opaque_pthread_once_t)
+assert alignment(_opaque_pthread_once_t) == 4, alignment(_opaque_pthread_once_t)
+class _opaque_pthread_rwlock_t(Structure):
+    pass
+_opaque_pthread_rwlock_t._fields_ = [
+    ('__sig', c_long),
+    ('__opaque', c_char * 124),
+]
+assert sizeof(_opaque_pthread_rwlock_t) == 128, sizeof(_opaque_pthread_rwlock_t)
+assert alignment(_opaque_pthread_rwlock_t) == 4, alignment(_opaque_pthread_rwlock_t)
+class _opaque_pthread_rwlockattr_t(Structure):
+    pass
+_opaque_pthread_rwlockattr_t._fields_ = [
+    ('__sig', c_long),
+    ('__opaque', c_char * 12),
+]
+assert sizeof(_opaque_pthread_rwlockattr_t) == 16, sizeof(_opaque_pthread_rwlockattr_t)
+assert alignment(_opaque_pthread_rwlockattr_t) == 4, alignment(_opaque_pthread_rwlockattr_t)
+class _opaque_pthread_t(Structure):
+    pass
+_opaque_pthread_t._fields_ = [
+    ('__sig', c_long),
+    ('__cleanup_stack', POINTER(__darwin_pthread_handler_rec)),
+    ('__opaque', c_char * 596),
+]
+assert sizeof(_opaque_pthread_t) == 604, sizeof(_opaque_pthread_t)
+assert alignment(_opaque_pthread_t) == 4, alignment(_opaque_pthread_t)
+__darwin_blkcnt_t = __int64_t
+__darwin_blksize_t = __int32_t
+__darwin_fsblkcnt_t = c_uint
+__darwin_fsfilcnt_t = c_uint
+__darwin_gid_t = __uint32_t
+__darwin_id_t = __uint32_t
+__darwin_ino_t = __uint32_t
+__darwin_mach_port_name_t = __darwin_natural_t
+__darwin_mach_port_t = __darwin_mach_port_name_t
+__darwin_mcontext_t = POINTER(mcontext)
+__darwin_mcontext64_t = POINTER(mcontext64)
+__darwin_pid_t = __int32_t
+__darwin_pthread_attr_t = _opaque_pthread_attr_t
+__darwin_pthread_cond_t = _opaque_pthread_cond_t
+__darwin_pthread_condattr_t = _opaque_pthread_condattr_t
+__darwin_pthread_key_t = c_ulong
+__darwin_pthread_mutex_t = _opaque_pthread_mutex_t
+__darwin_pthread_mutexattr_t = _opaque_pthread_mutexattr_t
+__darwin_pthread_once_t = _opaque_pthread_once_t
+__darwin_pthread_rwlock_t = _opaque_pthread_rwlock_t
+__darwin_pthread_rwlockattr_t = _opaque_pthread_rwlockattr_t
+__darwin_pthread_t = POINTER(_opaque_pthread_t)
+__darwin_sigset_t = __uint32_t
+__darwin_suseconds_t = __int32_t
+__darwin_uid_t = __uint32_t
+__darwin_useconds_t = __uint32_t
+__darwin_uuid_t = c_ubyte * 16
+class sigaltstack(Structure):
+    pass
+sigaltstack._fields_ = [
+    ('ss_sp', c_void_p),
+    ('ss_size', __darwin_size_t),
+    ('ss_flags', c_int),
+]
+assert sizeof(sigaltstack) == 12, sizeof(sigaltstack)
+assert alignment(sigaltstack) == 4, alignment(sigaltstack)
+__darwin_stack_t = sigaltstack
+class ucontext(Structure):
+    pass
+ucontext._fields_ = [
+    ('uc_onstack', c_int),
+    ('uc_sigmask', __darwin_sigset_t),
+    ('uc_stack', __darwin_stack_t),
+    ('uc_link', POINTER(ucontext)),
+    ('uc_mcsize', __darwin_size_t),
+    ('uc_mcontext', __darwin_mcontext_t),
+]
+assert sizeof(ucontext) == 32, sizeof(ucontext)
+assert alignment(ucontext) == 4, alignment(ucontext)
+__darwin_ucontext_t = ucontext
+class ucontext64(Structure):
+    pass
+ucontext64._fields_ = [
+    ('uc_onstack', c_int),
+    ('uc_sigmask', __darwin_sigset_t),
+    ('uc_stack', __darwin_stack_t),
+    ('uc_link', POINTER(ucontext64)),
+    ('uc_mcsize', __darwin_size_t),
+    ('uc_mcontext64', __darwin_mcontext64_t),
+]
+assert sizeof(ucontext64) == 32, sizeof(ucontext64)
+assert alignment(ucontext64) == 4, alignment(ucontext64)
+__darwin_ucontext64_t = ucontext64
+class timeval(Structure):
+    pass
+timeval._fields_ = [
+    ('tv_sec', __darwin_time_t),
+    ('tv_usec', __darwin_suseconds_t),
+]
+assert sizeof(timeval) == 8, sizeof(timeval)
+assert alignment(timeval) == 4, alignment(timeval)
+rlim_t = __int64_t
+class rusage(Structure):
+    pass
+rusage._fields_ = [
+    ('ru_utime', timeval),
+    ('ru_stime', timeval),
+    ('ru_maxrss', c_long),
+    ('ru_ixrss', c_long),
+    ('ru_idrss', c_long),
+    ('ru_isrss', c_long),
+    ('ru_minflt', c_long),
+    ('ru_majflt', c_long),
+    ('ru_nswap', c_long),
+    ('ru_inblock', c_long),
+    ('ru_oublock', c_long),
+    ('ru_msgsnd', c_long),
+    ('ru_msgrcv', c_long),
+    ('ru_nsignals', c_long),
+    ('ru_nvcsw', c_long),
+    ('ru_nivcsw', c_long),
+]
+assert sizeof(rusage) == 72, sizeof(rusage)
+assert alignment(rusage) == 4, alignment(rusage)
+class rlimit(Structure):
+    pass
+rlimit._pack_ = 4
+rlimit._fields_ = [
+    ('rlim_cur', rlim_t),
+    ('rlim_max', rlim_t),
+]
+assert sizeof(rlimit) == 16, sizeof(rlimit)
+assert alignment(rlimit) == 4, alignment(rlimit)
+mcontext_t = __darwin_mcontext_t
+mcontext64_t = __darwin_mcontext64_t
+pthread_attr_t = __darwin_pthread_attr_t
+sigset_t = __darwin_sigset_t
+ucontext_t = __darwin_ucontext_t
+ucontext64_t = __darwin_ucontext64_t
+uid_t = __darwin_uid_t
+class sigval(Union):
+    pass
+sigval._fields_ = [
+    ('sival_int', c_int),
+    ('sival_ptr', c_void_p),
+]
+assert sizeof(sigval) == 4, sizeof(sigval)
+assert alignment(sigval) == 4, alignment(sigval)
+class sigevent(Structure):
+    pass
+sigevent._fields_ = [
+    ('sigev_notify', c_int),
+    ('sigev_signo', c_int),
+    ('sigev_value', sigval),
+    ('sigev_notify_function', CFUNCTYPE(None, sigval)),
+    ('sigev_notify_attributes', POINTER(pthread_attr_t)),
+]
+assert sizeof(sigevent) == 20, sizeof(sigevent)
+assert alignment(sigevent) == 4, alignment(sigevent)
+class __siginfo(Structure):
+    pass
+pid_t = __darwin_pid_t
+__siginfo._fields_ = [
+    ('si_signo', c_int),
+    ('si_errno', c_int),
+    ('si_code', c_int),
+    ('si_pid', pid_t),
+    ('si_uid', uid_t),
+    ('si_status', c_int),
+    ('si_addr', c_void_p),
+    ('si_value', sigval),
+    ('si_band', c_long),
+    ('pad', c_ulong * 7),
+]
+assert sizeof(__siginfo) == 64, sizeof(__siginfo)
+assert alignment(__siginfo) == 4, alignment(__siginfo)
+siginfo_t = __siginfo
+class __sigaction_u(Union):
+    pass
+__sigaction_u._fields_ = [
+    ('__sa_handler', CFUNCTYPE(None, c_int)),
+    ('__sa_sigaction', CFUNCTYPE(None, c_int, POINTER(__siginfo), c_void_p)),
+]
+assert sizeof(__sigaction_u) == 4, sizeof(__sigaction_u)
+assert alignment(__sigaction_u) == 4, alignment(__sigaction_u)
+class __sigaction(Structure):
+    pass
+__sigaction._fields_ = [
+    ('__sigaction_u', __sigaction_u),
+    ('sa_tramp', CFUNCTYPE(None, c_void_p, c_int, c_int, POINTER(siginfo_t), c_void_p)),
+    ('sa_mask', sigset_t),
+    ('sa_flags', c_int),
+]
+assert sizeof(__sigaction) == 16, sizeof(__sigaction)
+assert alignment(__sigaction) == 4, alignment(__sigaction)
+class sigaction(Structure):
+    pass
+sigaction._fields_ = [
+    ('__sigaction_u', __sigaction_u),
+    ('sa_mask', sigset_t),
+    ('sa_flags', c_int),
+]
+assert sizeof(sigaction) == 12, sizeof(sigaction)
+assert alignment(sigaction) == 4, alignment(sigaction)
+sig_t = CFUNCTYPE(None, c_int)
+stack_t = __darwin_stack_t
+class sigvec(Structure):
+    pass
+sigvec._fields_ = [
+    ('sv_handler', CFUNCTYPE(None, c_int)),
+    ('sv_mask', c_int),
+    ('sv_flags', c_int),
+]
+assert sizeof(sigvec) == 12, sizeof(sigvec)
+assert alignment(sigvec) == 4, alignment(sigvec)
+class sigstack(Structure):
+    pass
+sigstack._fields_ = [
+    ('ss_sp', STRING),
+    ('ss_onstack', c_int),
+]
+assert sizeof(sigstack) == 8, sizeof(sigstack)
+assert alignment(sigstack) == 4, alignment(sigstack)
+u_char = c_ubyte
+u_short = c_ushort
+u_int = c_uint
+u_long = c_ulong
+ushort = c_ushort
+uint = c_uint
+u_quad_t = u_int64_t
+quad_t = int64_t
+qaddr_t = POINTER(quad_t)
+caddr_t = STRING
+daddr_t = int32_t
+fixpt_t = u_int32_t
+blkcnt_t = __darwin_blkcnt_t
+blksize_t = __darwin_blksize_t
+gid_t = __darwin_gid_t
+in_addr_t = __uint32_t
+in_port_t = __uint16_t
+ino_t = __darwin_ino_t
+key_t = __int32_t
+nlink_t = __uint16_t
+off_t = __darwin_off_t
+segsz_t = int32_t
+swblk_t = int32_t
+clock_t = __darwin_clock_t
+ssize_t = __darwin_ssize_t
+useconds_t = __darwin_useconds_t
+suseconds_t = __darwin_suseconds_t
+fd_mask = __int32_t
+class fd_set(Structure):
+    pass
+fd_set._fields_ = [
+    ('fds_bits', __int32_t * 32),
+]
+assert sizeof(fd_set) == 128, sizeof(fd_set)
+assert alignment(fd_set) == 4, alignment(fd_set)
+pthread_cond_t = __darwin_pthread_cond_t
+pthread_condattr_t = __darwin_pthread_condattr_t
+pthread_mutex_t = __darwin_pthread_mutex_t
+pthread_mutexattr_t = __darwin_pthread_mutexattr_t
+pthread_once_t = __darwin_pthread_once_t
+pthread_rwlock_t = __darwin_pthread_rwlock_t
+pthread_rwlockattr_t = __darwin_pthread_rwlockattr_t
+pthread_t = __darwin_pthread_t
+pthread_key_t = __darwin_pthread_key_t
+fsblkcnt_t = __darwin_fsblkcnt_t
+fsfilcnt_t = __darwin_fsfilcnt_t
+
+# values for enumeration 'idtype_t'
+idtype_t = c_int # enum
+id_t = __darwin_id_t
+class wait(Union):
+    pass
+class N4wait3DOLLAR_3E(Structure):
+    pass
+N4wait3DOLLAR_3E._fields_ = [
+    ('w_Termsig', c_uint, 7),
+    ('w_Coredump', c_uint, 1),
+    ('w_Retcode', c_uint, 8),
+    ('w_Filler', c_uint, 16),
+]
+assert sizeof(N4wait3DOLLAR_3E) == 4, sizeof(N4wait3DOLLAR_3E)
+assert alignment(N4wait3DOLLAR_3E) == 4, alignment(N4wait3DOLLAR_3E)
+class N4wait3DOLLAR_4E(Structure):
+    pass
+N4wait3DOLLAR_4E._fields_ = [
+    ('w_Stopval', c_uint, 8),
+    ('w_Stopsig', c_uint, 8),
+    ('w_Filler', c_uint, 16),
+]
+assert sizeof(N4wait3DOLLAR_4E) == 4, sizeof(N4wait3DOLLAR_4E)
+assert alignment(N4wait3DOLLAR_4E) == 4, alignment(N4wait3DOLLAR_4E)
+wait._fields_ = [
+    ('w_status', c_int),
+    ('w_T', N4wait3DOLLAR_3E),
+    ('w_S', N4wait3DOLLAR_4E),
+]
+assert sizeof(wait) == 4, sizeof(wait)
+assert alignment(wait) == 4, alignment(wait)
+class timespec(Structure):
+    pass
+timespec._fields_ = [
+    ('tv_sec', time_t),
+    ('tv_nsec', c_long),
+]
+assert sizeof(timespec) == 8, sizeof(timespec)
+assert alignment(timespec) == 4, alignment(timespec)
+class tm(Structure):
+    pass
+tm._fields_ = [
+    ('tm_sec', c_int),
+    ('tm_min', c_int),
+    ('tm_hour', c_int),
+    ('tm_mday', c_int),
+    ('tm_mon', c_int),
+    ('tm_year', c_int),
+    ('tm_wday', c_int),
+    ('tm_yday', c_int),
+    ('tm_isdst', c_int),
+    ('tm_gmtoff', c_long),
+    ('tm_zone', STRING),
+]
+assert sizeof(tm) == 44, sizeof(tm)
+assert alignment(tm) == 4, alignment(tm)
+__gnuc_va_list = STRING
+ptrdiff_t = c_int
+int8_t = c_byte
+int16_t = c_short
+uint8_t = c_ubyte
+uint16_t = c_ushort
+uint32_t = c_uint
+uint64_t = c_ulonglong
+int_least8_t = int8_t
+int_least16_t = int16_t
+int_least32_t = int32_t
+int_least64_t = int64_t
+uint_least8_t = uint8_t
+uint_least16_t = uint16_t
+uint_least32_t = uint32_t
+uint_least64_t = uint64_t
+int_fast8_t = int8_t
+int_fast16_t = int16_t
+int_fast32_t = int32_t
+int_fast64_t = int64_t
+uint_fast8_t = uint8_t
+uint_fast16_t = uint16_t
+uint_fast32_t = uint32_t
+uint_fast64_t = uint64_t
+intptr_t = c_long
+uintptr_t = c_ulong
+intmax_t = c_longlong
+uintmax_t = c_ulonglong
+__all__ = ['ENGINE', 'pkcs7_enc_content_st', '__int16_t',
+           'X509_REVOKED', 'SSL_CTX', 'UIT_BOOLEAN',
+           '__darwin_time_t', 'ucontext64_t', 'int_fast32_t',
+           'pem_ctx_st', 'uint8_t', 'fpos_t', 'X509', 'COMP_CTX',
+           'tm', 'N10pem_ctx_st4DOLLAR_17E', 'swblk_t',
+           'ASN1_TEMPLATE', '__darwin_pthread_t', 'fixpt_t',
+           'BIO_METHOD', 'ASN1_PRINTABLESTRING', 'EVP_ENCODE_CTX',
+           'dh_method', 'bio_f_buffer_ctx_struct', 'in_port_t',
+           'X509_SIG', '__darwin_ssize_t', '__darwin_sigset_t',
+           'wait', 'uint_fast16_t', 'N12asn1_type_st4DOLLAR_11E',
+           'uint_least8_t', 'pthread_rwlock_t', 'ASN1_IA5STRING',
+           'fsfilcnt_t', 'ucontext', '__uint64_t', 'timespec',
+           'x509_cinf_st', 'COMP_METHOD', 'MD5_CTX', 'buf_mem_st',
+           'ASN1_ENCODING_st', 'PBEPARAM', 'X509_NAME_ENTRY',
+           '__darwin_va_list', 'ucontext_t', 'lhash_st',
+           'N4wait3DOLLAR_4E', '__darwin_uuid_t',
+           '_ossl_old_des_ks_struct', 'id_t', 'ASN1_BIT_STRING',
+           'va_list', '__darwin_wchar_t', 'pthread_key_t',
+           'pkcs7_signer_info_st', 'ASN1_METHOD', 'DSA_SIG', 'DSA',
+           'UIT_NONE', 'pthread_t', '__darwin_useconds_t',
+           'uint_fast8_t', 'UI_STRING', 'DES_cblock',
+           '__darwin_mcontext64_t', 'rlim_t', 'PEM_Encode_Seal_st',
+           'SHAstate_st', 'u_quad_t', 'openssl_fptr',
+           '_opaque_pthread_rwlockattr_t',
+           'N18x509_attributes_st4DOLLAR_13E',
+           '__darwin_pthread_rwlock_t', 'daddr_t', 'ui_string_st',
+           'x509_file_st', 'X509_req_info_st', 'int_least64_t',
+           'evp_Encode_Ctx_st', 'X509_OBJECTS', 'CRYPTO_EX_DATA',
+           '__int8_t', 'AUTHORITY_KEYID_st', '_opaque_pthread_attr_t',
+           'sigstack', 'EVP_CIPHER_CTX', 'X509_extension_st', 'pid_t',
+           'RSA_METHOD', 'PEM_USER', 'pem_recip_st', 'env_md_ctx_st',
+           'rc5_key_st', 'ui_st', 'X509_PUBKEY', 'u_int8_t',
+           'ASN1_ITEM_st', 'pkcs7_recip_info_st', 'ssl2_state_st',
+           'off_t', 'N10ssl_ctx_st4DOLLAR_18E', 'crypto_ex_data_st',
+           'ui_method_st', '__darwin_pthread_rwlockattr_t',
+           'CRYPTO_EX_dup', '__darwin_ino_t', '__sFILE',
+           'OSUnknownByteOrder', 'BN_MONT_CTX', 'ASN1_NULL', 'time_t',
+           'CRYPTO_EX_new', 'asn1_type_st', 'CRYPTO_EX_DATA_FUNCS',
+           'user_time_t', 'BIGNUM', 'pthread_rwlockattr_t',
+           'ASN1_VALUE_st', 'DH_METHOD', '__darwin_off_t',
+           '_opaque_pthread_t', 'bn_blinding_st', 'RSA', 'ssize_t',
+           'mcontext64_t', 'user_long_t', 'fsblkcnt_t', 'cert_st',
+           '__darwin_pthread_condattr_t', 'X509_PKEY',
+           '__darwin_id_t', '__darwin_nl_item', 'SSL2_STATE', 'FILE',
+           'pthread_mutexattr_t', 'size_t',
+           '_ossl_old_des_key_schedule', 'pkcs7_issuer_and_serial_st',
+           'sigval', 'CRYPTO_MEM_LEAK_CB', 'X509_NAME', 'blkcnt_t',
+           'uint_least16_t', '__darwin_dev_t', 'evp_cipher_info_st',
+           'BN_BLINDING', 'ssl3_state_st', 'uint_least64_t',
+           'user_addr_t', 'DES_key_schedule', 'RIPEMD160_CTX',
+           'u_char', 'X509_algor_st', 'uid_t', 'sess_cert_st',
+           'u_int64_t', 'u_int16_t', 'sigset_t', '__darwin_ptrdiff_t',
+           'ASN1_CTX', 'STACK', '__int32_t', 'UI_METHOD',
+           'NETSCAPE_SPKI', 'UIT_PROMPT', 'st_CRYPTO_EX_DATA_IMPL',
+           'cast_key_st', 'X509_HASH_DIR_CTX', 'sigevent',
+           'user_ssize_t', 'clock_t', 'aes_key_st',
+           '__darwin_socklen_t', '__darwin_intptr_t', 'int_fast64_t',
+           'asn1_string_table_st', 'uint_fast32_t',
+           'ASN1_VISIBLESTRING', 'DSA_SIG_st', 'obj_name_st',
+           'X509_LOOKUP_METHOD', 'u_int32_t', 'EVP_CIPHER_INFO',
+           '__gnuc_va_list', 'AES_KEY', 'PKCS7_ISSUER_AND_SERIAL',
+           'BN_CTX', '__darwin_blkcnt_t', 'key_t', 'SHA_CTX',
+           'pkcs7_signed_st', 'SSL', 'N10pem_ctx_st4DOLLAR_16E',
+           'pthread_attr_t', 'EVP_MD', 'uint', 'ASN1_BOOLEAN',
+           'ino_t', '__darwin_clock_t', 'ASN1_OCTET_STRING',
+           'asn1_ctx_st', 'BIO_F_BUFFER_CTX', 'bn_mont_ctx_st',
+           'X509_REQ_INFO', 'PEM_CTX', 'sigvec',
+           '__darwin_pthread_mutexattr_t', 'x509_attributes_st',
+           'stack_t', '__darwin_mode_t', '__mbstate_t',
+           'asn1_object_st', 'ASN1_ENCODING', '__uint8_t',
+           'LHASH_NODE', 'PKCS7_SIGNER_INFO', 'asn1_method_st',
+           'stack_st', 'bio_info_cb', 'div_t', 'UIT_VERIFY',
+           'PBEPARAM_st', 'N4wait3DOLLAR_3E', 'quad_t', '__siginfo',
+           '__darwin_mbstate_t', 'rsa_st', 'ASN1_UNIVERSALSTRING',
+           'uint64_t', 'ssl_comp_st', 'X509_OBJECT', 'pthread_cond_t',
+           'DH', '__darwin_wctype_t', 'PKCS7_ENVELOPE', 'ASN1_TLC_st',
+           'sig_atomic_t', 'BIO', 'nlink_t', 'BUF_MEM', 'SSL3_RECORD',
+           'bio_method_st', 'timeval', 'UI_string_types', 'BIO_dummy',
+           'ssl_ctx_st', 'NETSCAPE_CERT_SEQUENCE',
+           'BIT_STRING_BITNAME_st', '__darwin_pthread_attr_t',
+           'int8_t', '__darwin_wint_t', 'OBJ_NAME',
+           'PKCS8_PRIV_KEY_INFO', 'PBE2PARAM_st',
+           'LHASH_DOALL_FN_TYPE', 'x509_st', 'X509_VAL', 'dev_t',
+           'ASN1_TEMPLATE_st', 'MD5state_st', '__uint16_t',
+           'LHASH_DOALL_ARG_FN_TYPE', 'mdc2_ctx_st', 'SSL3_STATE',
+           'ssl3_buffer_st', 'ASN1_ITEM_EXP',
+           '_opaque_pthread_condattr_t', 'mode_t', 'ASN1_VALUE',
+           'qaddr_t', '__darwin_gid_t', 'EVP_PKEY', 'CRYPTO_EX_free',
+           '_ossl_old_des_cblock', 'X509_INFO', 'asn1_string_st',
+           'intptr_t', 'UIT_INFO', 'int_fast8_t', 'sigaltstack',
+           'env_md_st', 'LHASH', '__darwin_ucontext_t',
+           'PKCS7_SIGN_ENVELOPE', '__darwin_mcontext_t', 'ct_rune_t',
+           'MD2_CTX', 'pthread_once_t', 'SSL3_BUFFER', 'fd_mask',
+           'ASN1_TYPE', 'PKCS7_SIGNED', 'ssl3_record_st', 'BF_KEY',
+           'MD4state_st', 'MD4_CTX', 'int16_t', 'SSL_CIPHER',
+           'rune_t', 'X509_TRUST', 'siginfo_t', 'X509_STORE',
+           '__sbuf', 'X509_STORE_CTX', '__darwin_blksize_t', 'ldiv_t',
+           'ASN1_TIME', 'SSL_METHOD', 'X509_LOOKUP',
+           'Netscape_spki_st', 'P_PID', 'sigaction', 'sig_t',
+           'hostent', 'x509_cert_aux_st', '_opaque_pthread_cond_t',
+           'segsz_t', 'ushort', '__darwin_ct_rune_t', 'fd_set',
+           'BN_RECP_CTX', 'x509_lookup_st', 'uint16_t', 'pkcs7_st',
+           'asn1_header_st', '__darwin_pthread_key_t',
+           'x509_trust_st', '__darwin_pthread_handler_rec', 'int32_t',
+           'X509_CRL_INFO', 'N11evp_pkey_st4DOLLAR_12E', 'MDC2_CTX',
+           'N23_ossl_old_des_ks_struct4DOLLAR_10E', 'ASN1_HEADER',
+           'X509_crl_info_st', 'LHASH_HASH_FN_TYPE',
+           '_opaque_pthread_mutexattr_t', 'ssl_st',
+           'N8pkcs7_st4DOLLAR_15E', 'evp_pkey_st',
+           'pkcs7_signedandenveloped_st', '__darwin_mach_port_t',
+           'EVP_PBE_KEYGEN', '_opaque_pthread_mutex_t',
+           'ASN1_UTCTIME', 'mcontext', 'crypto_ex_data_func_st',
+           'u_long', 'PBKDF2PARAM_st', 'rc4_key_st', 'DSA_METHOD',
+           'EVP_CIPHER', 'BIT_STRING_BITNAME', 'PKCS7_RECIP_INFO',
+           'ssl3_enc_method', 'X509_CERT_AUX', 'uintmax_t',
+           'int_fast16_t', 'RC5_32_KEY', 'ucontext64', 'ASN1_INTEGER',
+           'u_short', 'N14x509_object_st4DOLLAR_14E', 'mcontext64',
+           'X509_sig_st', 'ASN1_GENERALSTRING', 'PKCS7', '__sFILEX',
+           'X509_name_entry_st', 'ssl_session_st', 'caddr_t',
+           'bignum_st', 'X509_CINF', '__darwin_pthread_cond_t',
+           'ASN1_TLC', 'PKCS7_ENCRYPT', 'NETSCAPE_SPKAC',
+           'Netscape_spkac_st', 'idtype_t', 'UIT_ERROR',
+           'uint_fast64_t', 'in_addr_t', 'pthread_mutex_t',
+           '__int64_t', 'ASN1_BMPSTRING', 'uint32_t',
+           'PEM_ENCODE_SEAL_CTX', 'suseconds_t', 'ASN1_OBJECT',
+           'X509_val_st', 'private_key_st', 'CRYPTO_dynlock',
+           'X509_objects_st', 'CRYPTO_EX_DATA_IMPL',
+           'pthread_condattr_t', 'PKCS7_DIGEST', 'uint_least32_t',
+           'ASN1_STRING', '__uint32_t', 'P_PGID', 'rsa_meth_st',
+           'X509_crl_st', 'RC2_KEY', '__darwin_fsfilcnt_t',
+           'X509_revoked_st', 'PBE2PARAM', 'blksize_t',
+           'Netscape_certificate_sequence', 'ssl_cipher_st',
+           'bignum_ctx', 'register_t', 'ASN1_UTF8STRING',
+           'pkcs7_encrypted_st', 'RC4_KEY', '__darwin_ucontext64_t',
+           'N13ssl2_state_st4DOLLAR_19E', 'bn_recp_ctx_st',
+           'CAST_KEY', 'X509_ATTRIBUTE', '__darwin_suseconds_t',
+           '__sigaction', 'user_ulong_t', 'syscall_arg_t',
+           'evp_cipher_ctx_st', 'X509_ALGOR', 'mcontext_t',
+           'const_DES_cblock', '__darwin_fsblkcnt_t', 'dsa_st',
+           'int_least8_t', 'MD2state_st', 'X509_EXTENSION',
+           'GEN_SESSION_CB', 'int_least16_t', '__darwin_wctrans_t',
+           'PBKDF2PARAM', 'x509_lookup_method_st', 'pem_password_cb',
+           'X509_info_st', 'x509_store_st', '__darwin_natural_t',
+           'X509_pubkey_st', 'pkcs7_digest_st', '__darwin_size_t',
+           'ASN1_STRING_TABLE', 'OSLittleEndian', 'RIPEMD160state_st',
+           'pkcs7_enveloped_st', 'UI', 'ptrdiff_t', 'X509_REQ',
+           'CRYPTO_dynlock_value', 'X509_req_st', 'x509_store_ctx_st',
+           'N13ssl3_state_st4DOLLAR_20E', 'lhash_node_st',
+           '__darwin_pthread_mutex_t', 'LHASH_COMP_FN_TYPE',
+           '__darwin_rune_t', 'rlimit', '__darwin_pthread_once_t',
+           'OSBigEndian', 'uintptr_t', '__darwin_uid_t', 'u_int',
+           'ASN1_T61STRING', 'gid_t', 'ssl_method_st', 'ASN1_ITEM',
+           'ASN1_ENUMERATED', '_opaque_pthread_rwlock_t',
+           'pkcs8_priv_key_info_st', 'intmax_t', 'sigcontext',
+           'X509_CRL', 'rc2_key_st', 'engine_st', 'x509_object_st',
+           '_opaque_pthread_once_t', 'DES_ks', 'SSL_COMP',
+           'dsa_method', 'int64_t', 'bio_st', 'bf_key_st',
+           'ASN1_GENERALIZEDTIME', 'PKCS7_ENC_CONTENT',
+           '__darwin_pid_t', 'lldiv_t', 'comp_method_st',
+           'EVP_MD_CTX', 'evp_cipher_st', 'X509_name_st',
+           'x509_hash_dir_st', '__darwin_mach_port_name_t',
+           'useconds_t', 'user_size_t', 'SSL_SESSION', 'rusage',
+           'ssl_crock_st', 'int_least32_t', '__sigaction_u', 'dh_st',
+           'P_ALL', '__darwin_stack_t', 'N6DES_ks3DOLLAR_9E',
+           'comp_ctx_st', 'X509_CERT_FILE_CTX']
diff --git a/lib/python2.7/lib2to3/tests/data/py2_test_grammar.py b/lib/python2.7/lib2to3/tests/data/py2_test_grammar.py
new file mode 100644
index 0000000..b5a4137
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/py2_test_grammar.py
@@ -0,0 +1,974 @@
+# Python test set -- part 1, grammar.
+# This just tests whether the parser accepts them all.
+
+# NOTE: When you run this test as a script from the command line, you
+# get warnings about certain hex/oct constants.  Since those are
+# issued by the parser, you can't suppress them by adding a
+# filterwarnings() call to this module.  Therefore, to shut up the
+# regression test, the filterwarnings() call has been added to
+# regrtest.py.
+
+from test.test_support import run_unittest, check_syntax_error
+import unittest
+import sys
+# testing import *
+from sys import *
+
+class TokenTests(unittest.TestCase):
+
+    def testBackslash(self):
+        # Backslash means line continuation:
+        x = 1 \
+        + 1
+        self.assertEquals(x, 2, 'backslash for line continuation')
+
+        # Backslash does not means continuation in comments :\
+        x = 0
+        self.assertEquals(x, 0, 'backslash ending comment')
+
+    def testPlainIntegers(self):
+        self.assertEquals(0xff, 255)
+        self.assertEquals(0377, 255)
+        self.assertEquals(2147483647, 017777777777)
+        # "0x" is not a valid literal
+        self.assertRaises(SyntaxError, eval, "0x")
+        from sys import maxint
+        if maxint == 2147483647:
+            self.assertEquals(-2147483647-1, -020000000000)
+            # XXX -2147483648
+            self.assert_(037777777777 > 0)
+            self.assert_(0xffffffff > 0)
+            for s in '2147483648', '040000000000', '0x100000000':
+                try:
+                    x = eval(s)
+                except OverflowError:
+                    self.fail("OverflowError on huge integer literal %r" % s)
+        elif maxint == 9223372036854775807:
+            self.assertEquals(-9223372036854775807-1, -01000000000000000000000)
+            self.assert_(01777777777777777777777 > 0)
+            self.assert_(0xffffffffffffffff > 0)
+            for s in '9223372036854775808', '02000000000000000000000', \
+                     '0x10000000000000000':
+                try:
+                    x = eval(s)
+                except OverflowError:
+                    self.fail("OverflowError on huge integer literal %r" % s)
+        else:
+            self.fail('Weird maxint value %r' % maxint)
+
+    def testLongIntegers(self):
+        x = 0L
+        x = 0l
+        x = 0xffffffffffffffffL
+        x = 0xffffffffffffffffl
+        x = 077777777777777777L
+        x = 077777777777777777l
+        x = 123456789012345678901234567890L
+        x = 123456789012345678901234567890l
+
+    def testFloats(self):
+        x = 3.14
+        x = 314.
+        x = 0.314
+        # XXX x = 000.314
+        x = .314
+        x = 3e14
+        x = 3E14
+        x = 3e-14
+        x = 3e+14
+        x = 3.e14
+        x = .3e14
+        x = 3.1e4
+
+    def testStringLiterals(self):
+        x = ''; y = ""; self.assert_(len(x) == 0 and x == y)
+        x = '\''; y = "'"; self.assert_(len(x) == 1 and x == y and ord(x) == 39)
+        x = '"'; y = "\""; self.assert_(len(x) == 1 and x == y and ord(x) == 34)
+        x = "doesn't \"shrink\" does it"
+        y = 'doesn\'t "shrink" does it'
+        self.assert_(len(x) == 24 and x == y)
+        x = "does \"shrink\" doesn't it"
+        y = 'does "shrink" doesn\'t it'
+        self.assert_(len(x) == 24 and x == y)
+        x = """
+The "quick"
+brown fox
+jumps over
+the 'lazy' dog.
+"""
+        y = '\nThe "quick"\nbrown fox\njumps over\nthe \'lazy\' dog.\n'
+        self.assertEquals(x, y)
+        y = '''
+The "quick"
+brown fox
+jumps over
+the 'lazy' dog.
+'''
+        self.assertEquals(x, y)
+        y = "\n\
+The \"quick\"\n\
+brown fox\n\
+jumps over\n\
+the 'lazy' dog.\n\
+"
+        self.assertEquals(x, y)
+        y = '\n\
+The \"quick\"\n\
+brown fox\n\
+jumps over\n\
+the \'lazy\' dog.\n\
+'
+        self.assertEquals(x, y)
+
+
+class GrammarTests(unittest.TestCase):
+
+    # single_input: NEWLINE | simple_stmt | compound_stmt NEWLINE
+    # XXX can't test in a script -- this rule is only used when interactive
+
+    # file_input: (NEWLINE | stmt)* ENDMARKER
+    # Being tested as this very moment this very module
+
+    # expr_input: testlist NEWLINE
+    # XXX Hard to test -- used only in calls to input()
+
+    def testEvalInput(self):
+        # testlist ENDMARKER
+        x = eval('1, 0 or 1')
+
+    def testFuncdef(self):
+        ### 'def' NAME parameters ':' suite
+        ### parameters: '(' [varargslist] ')'
+        ### varargslist: (fpdef ['=' test] ',')* ('*' NAME [',' ('**'|'*' '*') NAME]
+        ###            | ('**'|'*' '*') NAME)
+        ###            | fpdef ['=' test] (',' fpdef ['=' test])* [',']
+        ### fpdef: NAME | '(' fplist ')'
+        ### fplist: fpdef (',' fpdef)* [',']
+        ### arglist: (argument ',')* (argument | *' test [',' '**' test] | '**' test)
+        ### argument: [test '='] test   # Really [keyword '='] test
+        def f1(): pass
+        f1()
+        f1(*())
+        f1(*(), **{})
+        def f2(one_argument): pass
+        def f3(two, arguments): pass
+        def f4(two, (compound, (argument, list))): pass
+        def f5((compound, first), two): pass
+        self.assertEquals(f2.func_code.co_varnames, ('one_argument',))
+        self.assertEquals(f3.func_code.co_varnames, ('two', 'arguments'))
+        if sys.platform.startswith('java'):
+            self.assertEquals(f4.func_code.co_varnames,
+                   ('two', '(compound, (argument, list))', 'compound', 'argument',
+                                'list',))
+            self.assertEquals(f5.func_code.co_varnames,
+                   ('(compound, first)', 'two', 'compound', 'first'))
+        else:
+            self.assertEquals(f4.func_code.co_varnames,
+                  ('two', '.1', 'compound', 'argument',  'list'))
+            self.assertEquals(f5.func_code.co_varnames,
+                  ('.0', 'two', 'compound', 'first'))
+        def a1(one_arg,): pass
+        def a2(two, args,): pass
+        def v0(*rest): pass
+        def v1(a, *rest): pass
+        def v2(a, b, *rest): pass
+        def v3(a, (b, c), *rest): return a, b, c, rest
+
+        f1()
+        f2(1)
+        f2(1,)
+        f3(1, 2)
+        f3(1, 2,)
+        f4(1, (2, (3, 4)))
+        v0()
+        v0(1)
+        v0(1,)
+        v0(1,2)
+        v0(1,2,3,4,5,6,7,8,9,0)
+        v1(1)
+        v1(1,)
+        v1(1,2)
+        v1(1,2,3)
+        v1(1,2,3,4,5,6,7,8,9,0)
+        v2(1,2)
+        v2(1,2,3)
+        v2(1,2,3,4)
+        v2(1,2,3,4,5,6,7,8,9,0)
+        v3(1,(2,3))
+        v3(1,(2,3),4)
+        v3(1,(2,3),4,5,6,7,8,9,0)
+
+        # ceval unpacks the formal arguments into the first argcount names;
+        # thus, the names nested inside tuples must appear after these names.
+        if sys.platform.startswith('java'):
+            self.assertEquals(v3.func_code.co_varnames, ('a', '(b, c)', 'rest', 'b', 'c'))
+        else:
+            self.assertEquals(v3.func_code.co_varnames, ('a', '.1', 'rest', 'b', 'c'))
+        self.assertEquals(v3(1, (2, 3), 4), (1, 2, 3, (4,)))
+        def d01(a=1): pass
+        d01()
+        d01(1)
+        d01(*(1,))
+        d01(**{'a':2})
+        def d11(a, b=1): pass
+        d11(1)
+        d11(1, 2)
+        d11(1, **{'b':2})
+        def d21(a, b, c=1): pass
+        d21(1, 2)
+        d21(1, 2, 3)
+        d21(*(1, 2, 3))
+        d21(1, *(2, 3))
+        d21(1, 2, *(3,))
+        d21(1, 2, **{'c':3})
+        def d02(a=1, b=2): pass
+        d02()
+        d02(1)
+        d02(1, 2)
+        d02(*(1, 2))
+        d02(1, *(2,))
+        d02(1, **{'b':2})
+        d02(**{'a': 1, 'b': 2})
+        def d12(a, b=1, c=2): pass
+        d12(1)
+        d12(1, 2)
+        d12(1, 2, 3)
+        def d22(a, b, c=1, d=2): pass
+        d22(1, 2)
+        d22(1, 2, 3)
+        d22(1, 2, 3, 4)
+        def d01v(a=1, *rest): pass
+        d01v()
+        d01v(1)
+        d01v(1, 2)
+        d01v(*(1, 2, 3, 4))
+        d01v(*(1,))
+        d01v(**{'a':2})
+        def d11v(a, b=1, *rest): pass
+        d11v(1)
+        d11v(1, 2)
+        d11v(1, 2, 3)
+        def d21v(a, b, c=1, *rest): pass
+        d21v(1, 2)
+        d21v(1, 2, 3)
+        d21v(1, 2, 3, 4)
+        d21v(*(1, 2, 3, 4))
+        d21v(1, 2, **{'c': 3})
+        def d02v(a=1, b=2, *rest): pass
+        d02v()
+        d02v(1)
+        d02v(1, 2)
+        d02v(1, 2, 3)
+        d02v(1, *(2, 3, 4))
+        d02v(**{'a': 1, 'b': 2})
+        def d12v(a, b=1, c=2, *rest): pass
+        d12v(1)
+        d12v(1, 2)
+        d12v(1, 2, 3)
+        d12v(1, 2, 3, 4)
+        d12v(*(1, 2, 3, 4))
+        d12v(1, 2, *(3, 4, 5))
+        d12v(1, *(2,), **{'c': 3})
+        def d22v(a, b, c=1, d=2, *rest): pass
+        d22v(1, 2)
+        d22v(1, 2, 3)
+        d22v(1, 2, 3, 4)
+        d22v(1, 2, 3, 4, 5)
+        d22v(*(1, 2, 3, 4))
+        d22v(1, 2, *(3, 4, 5))
+        d22v(1, *(2, 3), **{'d': 4})
+        def d31v((x)): pass
+        d31v(1)
+        def d32v((x,)): pass
+        d32v((1,))
+
+        # keyword arguments after *arglist
+        def f(*args, **kwargs):
+            return args, kwargs
+        self.assertEquals(f(1, x=2, *[3, 4], y=5), ((1, 3, 4),
+                                                    {'x':2, 'y':5}))
+        self.assertRaises(SyntaxError, eval, "f(1, *(2,3), 4)")
+        self.assertRaises(SyntaxError, eval, "f(1, x=2, *(3,4), x=5)")
+
+        # Check ast errors in *args and *kwargs
+        check_syntax_error(self, "f(*g(1=2))")
+        check_syntax_error(self, "f(**g(1=2))")
+
+    def testLambdef(self):
+        ### lambdef: 'lambda' [varargslist] ':' test
+        l1 = lambda : 0
+        self.assertEquals(l1(), 0)
+        l2 = lambda : a[d] # XXX just testing the expression
+        l3 = lambda : [2 < x for x in [-1, 3, 0L]]
+        self.assertEquals(l3(), [0, 1, 0])
+        l4 = lambda x = lambda y = lambda z=1 : z : y() : x()
+        self.assertEquals(l4(), 1)
+        l5 = lambda x, y, z=2: x + y + z
+        self.assertEquals(l5(1, 2), 5)
+        self.assertEquals(l5(1, 2, 3), 6)
+        check_syntax_error(self, "lambda x: x = 2")
+        check_syntax_error(self, "lambda (None,): None")
+
+    ### stmt: simple_stmt | compound_stmt
+    # Tested below
+
+    def testSimpleStmt(self):
+        ### simple_stmt: small_stmt (';' small_stmt)* [';']
+        x = 1; pass; del x
+        def foo():
+            # verify statements that end with semi-colons
+            x = 1; pass; del x;
+        foo()
+
+    ### small_stmt: expr_stmt | print_stmt  | pass_stmt | del_stmt | flow_stmt | import_stmt | global_stmt | access_stmt | exec_stmt
+    # Tested below
+
+    def testExprStmt(self):
+        # (exprlist '=')* exprlist
+        1
+        1, 2, 3
+        x = 1
+        x = 1, 2, 3
+        x = y = z = 1, 2, 3
+        x, y, z = 1, 2, 3
+        abc = a, b, c = x, y, z = xyz = 1, 2, (3, 4)
+
+        check_syntax_error(self, "x + 1 = 1")
+        check_syntax_error(self, "a + 1 = b + 2")
+
+    def testPrintStmt(self):
+        # 'print' (test ',')* [test]
+        import StringIO
+
+        # Can't test printing to real stdout without comparing output
+        # which is not available in unittest.
+        save_stdout = sys.stdout
+        sys.stdout = StringIO.StringIO()
+
+        print 1, 2, 3
+        print 1, 2, 3,
+        print
+        print 0 or 1, 0 or 1,
+        print 0 or 1
+
+        # 'print' '>>' test ','
+        print >> sys.stdout, 1, 2, 3
+        print >> sys.stdout, 1, 2, 3,
+        print >> sys.stdout
+        print >> sys.stdout, 0 or 1, 0 or 1,
+        print >> sys.stdout, 0 or 1
+
+        # test printing to an instance
+        class Gulp:
+            def write(self, msg): pass
+
+        gulp = Gulp()
+        print >> gulp, 1, 2, 3
+        print >> gulp, 1, 2, 3,
+        print >> gulp
+        print >> gulp, 0 or 1, 0 or 1,
+        print >> gulp, 0 or 1
+
+        # test print >> None
+        def driver():
+            oldstdout = sys.stdout
+            sys.stdout = Gulp()
+            try:
+                tellme(Gulp())
+                tellme()
+            finally:
+                sys.stdout = oldstdout
+
+        # we should see this once
+        def tellme(file=sys.stdout):
+            print >> file, 'hello world'
+
+        driver()
+
+        # we should not see this at all
+        def tellme(file=None):
+            print >> file, 'goodbye universe'
+
+        driver()
+
+        self.assertEqual(sys.stdout.getvalue(), '''\
+1 2 3
+1 2 3
+1 1 1
+1 2 3
+1 2 3
+1 1 1
+hello world
+''')
+        sys.stdout = save_stdout
+
+        # syntax errors
+        check_syntax_error(self, 'print ,')
+        check_syntax_error(self, 'print >> x,')
+
+    def testDelStmt(self):
+        # 'del' exprlist
+        abc = [1,2,3]
+        x, y, z = abc
+        xyz = x, y, z
+
+        del abc
+        del x, y, (z, xyz)
+
+    def testPassStmt(self):
+        # 'pass'
+        pass
+
+    # flow_stmt: break_stmt | continue_stmt | return_stmt | raise_stmt
+    # Tested below
+
+    def testBreakStmt(self):
+        # 'break'
+        while 1: break
+
+    def testContinueStmt(self):
+        # 'continue'
+        i = 1
+        while i: i = 0; continue
+
+        msg = ""
+        while not msg:
+            msg = "ok"
+            try:
+                continue
+                msg = "continue failed to continue inside try"
+            except:
+                msg = "continue inside try called except block"
+        if msg != "ok":
+            self.fail(msg)
+
+        msg = ""
+        while not msg:
+            msg = "finally block not called"
+            try:
+                continue
+            finally:
+                msg = "ok"
+        if msg != "ok":
+            self.fail(msg)
+
+    def test_break_continue_loop(self):
+        # This test warrants an explanation. It is a test specifically for SF bugs
+        # #463359 and #462937. The bug is that a 'break' statement executed or
+        # exception raised inside a try/except inside a loop, *after* a continue
+        # statement has been executed in that loop, will cause the wrong number of
+        # arguments to be popped off the stack and the instruction pointer reset to
+        # a very small number (usually 0.) Because of this, the following test
+        # *must* written as a function, and the tracking vars *must* be function
+        # arguments with default values. Otherwise, the test will loop and loop.
+
+        def test_inner(extra_burning_oil = 1, count=0):
+            big_hippo = 2
+            while big_hippo:
+                count += 1
+                try:
+                    if extra_burning_oil and big_hippo == 1:
+                        extra_burning_oil -= 1
+                        break
+                    big_hippo -= 1
+                    continue
+                except:
+                    raise
+            if count > 2 or big_hippo <> 1:
+                self.fail("continue then break in try/except in loop broken!")
+        test_inner()
+
+    def testReturn(self):
+        # 'return' [testlist]
+        def g1(): return
+        def g2(): return 1
+        g1()
+        x = g2()
+        check_syntax_error(self, "class foo:return 1")
+
+    def testYield(self):
+        check_syntax_error(self, "class foo:yield 1")
+
+    def testRaise(self):
+        # 'raise' test [',' test]
+        try: raise RuntimeError, 'just testing'
+        except RuntimeError: pass
+        try: raise KeyboardInterrupt
+        except KeyboardInterrupt: pass
+
+    def testImport(self):
+        # 'import' dotted_as_names
+        import sys
+        import time, sys
+        # 'from' dotted_name 'import' ('*' | '(' import_as_names ')' | import_as_names)
+        from time import time
+        from time import (time)
+        # not testable inside a function, but already done at top of the module
+        # from sys import *
+        from sys import path, argv
+        from sys import (path, argv)
+        from sys import (path, argv,)
+
+    def testGlobal(self):
+        # 'global' NAME (',' NAME)*
+        global a
+        global a, b
+        global one, two, three, four, five, six, seven, eight, nine, ten
+
+    def testExec(self):
+        # 'exec' expr ['in' expr [',' expr]]
+        z = None
+        del z
+        exec 'z=1+1\n'
+        if z != 2: self.fail('exec \'z=1+1\'\\n')
+        del z
+        exec 'z=1+1'
+        if z != 2: self.fail('exec \'z=1+1\'')
+        z = None
+        del z
+        import types
+        if hasattr(types, "UnicodeType"):
+            exec r"""if 1:
+            exec u'z=1+1\n'
+            if z != 2: self.fail('exec u\'z=1+1\'\\n')
+            del z
+            exec u'z=1+1'
+            if z != 2: self.fail('exec u\'z=1+1\'')"""
+        g = {}
+        exec 'z = 1' in g
+        if g.has_key('__builtins__'): del g['__builtins__']
+        if g != {'z': 1}: self.fail('exec \'z = 1\' in g')
+        g = {}
+        l = {}
+
+        import warnings
+        warnings.filterwarnings("ignore", "global statement", module="<string>")
+        exec 'global a; a = 1; b = 2' in g, l
+        if g.has_key('__builtins__'): del g['__builtins__']
+        if l.has_key('__builtins__'): del l['__builtins__']
+        if (g, l) != ({'a':1}, {'b':2}):
+            self.fail('exec ... in g (%s), l (%s)' %(g,l))
+
+    def testAssert(self):
+        # assert_stmt: 'assert' test [',' test]
+        assert 1
+        assert 1, 1
+        assert lambda x:x
+        assert 1, lambda x:x+1
+        try:
+            assert 0, "msg"
+        except AssertionError, e:
+            self.assertEquals(e.args[0], "msg")
+        else:
+            if __debug__:
+                self.fail("AssertionError not raised by assert 0")
+
+    ### compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | funcdef | classdef
+    # Tested below
+
+    def testIf(self):
+        # 'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite]
+        if 1: pass
+        if 1: pass
+        else: pass
+        if 0: pass
+        elif 0: pass
+        if 0: pass
+        elif 0: pass
+        elif 0: pass
+        elif 0: pass
+        else: pass
+
+    def testWhile(self):
+        # 'while' test ':' suite ['else' ':' suite]
+        while 0: pass
+        while 0: pass
+        else: pass
+
+        # Issue1920: "while 0" is optimized away,
+        # ensure that the "else" clause is still present.
+        x = 0
+        while 0:
+            x = 1
+        else:
+            x = 2
+        self.assertEquals(x, 2)
+
+    def testFor(self):
+        # 'for' exprlist 'in' exprlist ':' suite ['else' ':' suite]
+        for i in 1, 2, 3: pass
+        for i, j, k in (): pass
+        else: pass
+        class Squares:
+            def __init__(self, max):
+                self.max = max
+                self.sofar = []
+            def __len__(self): return len(self.sofar)
+            def __getitem__(self, i):
+                if not 0 <= i < self.max: raise IndexError
+                n = len(self.sofar)
+                while n <= i:
+                    self.sofar.append(n*n)
+                    n = n+1
+                return self.sofar[i]
+        n = 0
+        for x in Squares(10): n = n+x
+        if n != 285:
+            self.fail('for over growing sequence')
+
+        result = []
+        for x, in [(1,), (2,), (3,)]:
+            result.append(x)
+        self.assertEqual(result, [1, 2, 3])
+
+    def testTry(self):
+        ### try_stmt: 'try' ':' suite (except_clause ':' suite)+ ['else' ':' suite]
+        ###         | 'try' ':' suite 'finally' ':' suite
+        ### except_clause: 'except' [expr [('as' | ',') expr]]
+        try:
+            1/0
+        except ZeroDivisionError:
+            pass
+        else:
+            pass
+        try: 1/0
+        except EOFError: pass
+        except TypeError as msg: pass
+        except RuntimeError, msg: pass
+        except: pass
+        else: pass
+        try: 1/0
+        except (EOFError, TypeError, ZeroDivisionError): pass
+        try: 1/0
+        except (EOFError, TypeError, ZeroDivisionError), msg: pass
+        try: pass
+        finally: pass
+
+    def testSuite(self):
+        # simple_stmt | NEWLINE INDENT NEWLINE* (stmt NEWLINE*)+ DEDENT
+        if 1: pass
+        if 1:
+            pass
+        if 1:
+            #
+            #
+            #
+            pass
+            pass
+            #
+            pass
+            #
+
+    def testTest(self):
+        ### and_test ('or' and_test)*
+        ### and_test: not_test ('and' not_test)*
+        ### not_test: 'not' not_test | comparison
+        if not 1: pass
+        if 1 and 1: pass
+        if 1 or 1: pass
+        if not not not 1: pass
+        if not 1 and 1 and 1: pass
+        if 1 and 1 or 1 and 1 and 1 or not 1 and 1: pass
+
+    def testComparison(self):
+        ### comparison: expr (comp_op expr)*
+        ### comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'|'is' 'not'
+        if 1: pass
+        x = (1 == 1)
+        if 1 == 1: pass
+        if 1 != 1: pass
+        if 1 <> 1: pass
+        if 1 < 1: pass
+        if 1 > 1: pass
+        if 1 <= 1: pass
+        if 1 >= 1: pass
+        if 1 is 1: pass
+        if 1 is not 1: pass
+        if 1 in (): pass
+        if 1 not in (): pass
+        if 1 < 1 > 1 == 1 >= 1 <= 1 <> 1 != 1 in 1 not in 1 is 1 is not 1: pass
+
+    def testBinaryMaskOps(self):
+        x = 1 & 1
+        x = 1 ^ 1
+        x = 1 | 1
+
+    def testShiftOps(self):
+        x = 1 << 1
+        x = 1 >> 1
+        x = 1 << 1 >> 1
+
+    def testAdditiveOps(self):
+        x = 1
+        x = 1 + 1
+        x = 1 - 1 - 1
+        x = 1 - 1 + 1 - 1 + 1
+
+    def testMultiplicativeOps(self):
+        x = 1 * 1
+        x = 1 / 1
+        x = 1 % 1
+        x = 1 / 1 * 1 % 1
+
+    def testUnaryOps(self):
+        x = +1
+        x = -1
+        x = ~1
+        x = ~1 ^ 1 & 1 | 1 & 1 ^ -1
+        x = -1*1/1 + 1*1 - ---1*1
+
+    def testSelectors(self):
+        ### trailer: '(' [testlist] ')' | '[' subscript ']' | '.' NAME
+        ### subscript: expr | [expr] ':' [expr]
+
+        import sys, time
+        c = sys.path[0]
+        x = time.time()
+        x = sys.modules['time'].time()
+        a = '01234'
+        c = a[0]
+        c = a[-1]
+        s = a[0:5]
+        s = a[:5]
+        s = a[0:]
+        s = a[:]
+        s = a[-5:]
+        s = a[:-1]
+        s = a[-4:-3]
+        # A rough test of SF bug 1333982.  http://python.org/sf/1333982
+        # The testing here is fairly incomplete.
+        # Test cases should include: commas with 1 and 2 colons
+        d = {}
+        d[1] = 1
+        d[1,] = 2
+        d[1,2] = 3
+        d[1,2,3] = 4
+        L = list(d)
+        L.sort()
+        self.assertEquals(str(L), '[1, (1,), (1, 2), (1, 2, 3)]')
+
+    def testAtoms(self):
+        ### atom: '(' [testlist] ')' | '[' [testlist] ']' | '{' [dictmaker] '}' | '`' testlist '`' | NAME | NUMBER | STRING
+        ### dictmaker: test ':' test (',' test ':' test)* [',']
+
+        x = (1)
+        x = (1 or 2 or 3)
+        x = (1 or 2 or 3, 2, 3)
+
+        x = []
+        x = [1]
+        x = [1 or 2 or 3]
+        x = [1 or 2 or 3, 2, 3]
+        x = []
+
+        x = {}
+        x = {'one': 1}
+        x = {'one': 1,}
+        x = {'one' or 'two': 1 or 2}
+        x = {'one': 1, 'two': 2}
+        x = {'one': 1, 'two': 2,}
+        x = {'one': 1, 'two': 2, 'three': 3, 'four': 4, 'five': 5, 'six': 6}
+
+        x = `x`
+        x = `1 or 2 or 3`
+        self.assertEqual(`1,2`, '(1, 2)')
+
+        x = x
+        x = 'x'
+        x = 123
+
+    ### exprlist: expr (',' expr)* [',']
+    ### testlist: test (',' test)* [',']
+    # These have been exercised enough above
+
+    def testClassdef(self):
+        # 'class' NAME ['(' [testlist] ')'] ':' suite
+        class B: pass
+        class B2(): pass
+        class C1(B): pass
+        class C2(B): pass
+        class D(C1, C2, B): pass
+        class C:
+            def meth1(self): pass
+            def meth2(self, arg): pass
+            def meth3(self, a1, a2): pass
+        # decorator: '@' dotted_name [ '(' [arglist] ')' ] NEWLINE
+        # decorators: decorator+
+        # decorated: decorators (classdef | funcdef)
+        def class_decorator(x):
+            x.decorated = True
+            return x
+        @class_decorator
+        class G:
+            pass
+        self.assertEqual(G.decorated, True)
+
+    def testListcomps(self):
+        # list comprehension tests
+        nums = [1, 2, 3, 4, 5]
+        strs = ["Apple", "Banana", "Coconut"]
+        spcs = ["  Apple", " Banana ", "Coco  nut  "]
+
+        self.assertEqual([s.strip() for s in spcs], ['Apple', 'Banana', 'Coco  nut'])
+        self.assertEqual([3 * x for x in nums], [3, 6, 9, 12, 15])
+        self.assertEqual([x for x in nums if x > 2], [3, 4, 5])
+        self.assertEqual([(i, s) for i in nums for s in strs],
+                         [(1, 'Apple'), (1, 'Banana'), (1, 'Coconut'),
+                          (2, 'Apple'), (2, 'Banana'), (2, 'Coconut'),
+                          (3, 'Apple'), (3, 'Banana'), (3, 'Coconut'),
+                          (4, 'Apple'), (4, 'Banana'), (4, 'Coconut'),
+                          (5, 'Apple'), (5, 'Banana'), (5, 'Coconut')])
+        self.assertEqual([(i, s) for i in nums for s in [f for f in strs if "n" in f]],
+                         [(1, 'Banana'), (1, 'Coconut'), (2, 'Banana'), (2, 'Coconut'),
+                          (3, 'Banana'), (3, 'Coconut'), (4, 'Banana'), (4, 'Coconut'),
+                          (5, 'Banana'), (5, 'Coconut')])
+        self.assertEqual([(lambda a:[a**i for i in range(a+1)])(j) for j in range(5)],
+                         [[1], [1, 1], [1, 2, 4], [1, 3, 9, 27], [1, 4, 16, 64, 256]])
+
+        def test_in_func(l):
+            return [None < x < 3 for x in l if x > 2]
+
+        self.assertEqual(test_in_func(nums), [False, False, False])
+
+        def test_nested_front():
+            self.assertEqual([[y for y in [x, x + 1]] for x in [1,3,5]],
+                             [[1, 2], [3, 4], [5, 6]])
+
+        test_nested_front()
+
+        check_syntax_error(self, "[i, s for i in nums for s in strs]")
+        check_syntax_error(self, "[x if y]")
+
+        suppliers = [
+          (1, "Boeing"),
+          (2, "Ford"),
+          (3, "Macdonalds")
+        ]
+
+        parts = [
+          (10, "Airliner"),
+          (20, "Engine"),
+          (30, "Cheeseburger")
+        ]
+
+        suppart = [
+          (1, 10), (1, 20), (2, 20), (3, 30)
+        ]
+
+        x = [
+          (sname, pname)
+            for (sno, sname) in suppliers
+              for (pno, pname) in parts
+                for (sp_sno, sp_pno) in suppart
+                  if sno == sp_sno and pno == sp_pno
+        ]
+
+        self.assertEqual(x, [('Boeing', 'Airliner'), ('Boeing', 'Engine'), ('Ford', 'Engine'),
+                             ('Macdonalds', 'Cheeseburger')])
+
+    def testGenexps(self):
+        # generator expression tests
+        g = ([x for x in range(10)] for x in range(1))
+        self.assertEqual(g.next(), [x for x in range(10)])
+        try:
+            g.next()
+            self.fail('should produce StopIteration exception')
+        except StopIteration:
+            pass
+
+        a = 1
+        try:
+            g = (a for d in a)
+            g.next()
+            self.fail('should produce TypeError')
+        except TypeError:
+            pass
+
+        self.assertEqual(list((x, y) for x in 'abcd' for y in 'abcd'), [(x, y) for x in 'abcd' for y in 'abcd'])
+        self.assertEqual(list((x, y) for x in 'ab' for y in 'xy'), [(x, y) for x in 'ab' for y in 'xy'])
+
+        a = [x for x in range(10)]
+        b = (x for x in (y for y in a))
+        self.assertEqual(sum(b), sum([x for x in range(10)]))
+
+        self.assertEqual(sum(x**2 for x in range(10)), sum([x**2 for x in range(10)]))
+        self.assertEqual(sum(x*x for x in range(10) if x%2), sum([x*x for x in range(10) if x%2]))
+        self.assertEqual(sum(x for x in (y for y in range(10))), sum([x for x in range(10)]))
+        self.assertEqual(sum(x for x in (y for y in (z for z in range(10)))), sum([x for x in range(10)]))
+        self.assertEqual(sum(x for x in [y for y in (z for z in range(10))]), sum([x for x in range(10)]))
+        self.assertEqual(sum(x for x in (y for y in (z for z in range(10) if True)) if True), sum([x for x in range(10)]))
+        self.assertEqual(sum(x for x in (y for y in (z for z in range(10) if True) if False) if True), 0)
+        check_syntax_error(self, "foo(x for x in range(10), 100)")
+        check_syntax_error(self, "foo(100, x for x in range(10))")
+
+    def testComprehensionSpecials(self):
+        # test for outmost iterable precomputation
+        x = 10; g = (i for i in range(x)); x = 5
+        self.assertEqual(len(list(g)), 10)
+
+        # This should hold, since we're only precomputing outmost iterable.
+        x = 10; t = False; g = ((i,j) for i in range(x) if t for j in range(x))
+        x = 5; t = True;
+        self.assertEqual([(i,j) for i in range(10) for j in range(5)], list(g))
+
+        # Grammar allows multiple adjacent 'if's in listcomps and genexps,
+        # even though it's silly. Make sure it works (ifelse broke this.)
+        self.assertEqual([ x for x in range(10) if x % 2 if x % 3 ], [1, 5, 7])
+        self.assertEqual(list(x for x in range(10) if x % 2 if x % 3), [1, 5, 7])
+
+        # verify unpacking single element tuples in listcomp/genexp.
+        self.assertEqual([x for x, in [(4,), (5,), (6,)]], [4, 5, 6])
+        self.assertEqual(list(x for x, in [(7,), (8,), (9,)]), [7, 8, 9])
+
+    def test_with_statement(self):
+        class manager(object):
+            def __enter__(self):
+                return (1, 2)
+            def __exit__(self, *args):
+                pass
+
+        with manager():
+            pass
+        with manager() as x:
+            pass
+        with manager() as (x, y):
+            pass
+        with manager(), manager():
+            pass
+        with manager() as x, manager() as y:
+            pass
+        with manager() as x, manager():
+            pass
+
+    def testIfElseExpr(self):
+        # Test ifelse expressions in various cases
+        def _checkeval(msg, ret):
+            "helper to check that evaluation of expressions is done correctly"
+            print x
+            return ret
+
+        self.assertEqual([ x() for x in lambda: True, lambda: False if x() ], [True])
+        self.assertEqual([ x() for x in (lambda: True, lambda: False) if x() ], [True])
+        self.assertEqual([ x(False) for x in (lambda x: False if x else True, lambda x: True if x else False) if x(False) ], [True])
+        self.assertEqual((5 if 1 else _checkeval("check 1", 0)), 5)
+        self.assertEqual((_checkeval("check 2", 0) if 0 else 5), 5)
+        self.assertEqual((5 and 6 if 0 else 1), 1)
+        self.assertEqual(((5 and 6) if 0 else 1), 1)
+        self.assertEqual((5 and (6 if 1 else 1)), 6)
+        self.assertEqual((0 or _checkeval("check 3", 2) if 0 else 3), 3)
+        self.assertEqual((1 or _checkeval("check 4", 2) if 1 else _checkeval("check 5", 3)), 1)
+        self.assertEqual((0 or 5 if 1 else _checkeval("check 6", 3)), 5)
+        self.assertEqual((not 5 if 1 else 1), False)
+        self.assertEqual((not 5 if 0 else 1), 1)
+        self.assertEqual((6 + 1 if 1 else 2), 7)
+        self.assertEqual((6 - 1 if 1 else 2), 5)
+        self.assertEqual((6 * 2 if 1 else 4), 12)
+        self.assertEqual((6 / 2 if 1 else 3), 3)
+        self.assertEqual((6 < 4 if 0 else 2), 2)
+
+
+def test_main():
+    run_unittest(TokenTests, GrammarTests)
+
+if __name__ == '__main__':
+    test_main()
diff --git a/lib/python2.7/lib2to3/tests/data/py3_test_grammar.py b/lib/python2.7/lib2to3/tests/data/py3_test_grammar.py
new file mode 100644
index 0000000..c0bf7f2
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/data/py3_test_grammar.py
@@ -0,0 +1,923 @@
+# Python test set -- part 1, grammar.
+# This just tests whether the parser accepts them all.
+
+# NOTE: When you run this test as a script from the command line, you
+# get warnings about certain hex/oct constants.  Since those are
+# issued by the parser, you can't suppress them by adding a
+# filterwarnings() call to this module.  Therefore, to shut up the
+# regression test, the filterwarnings() call has been added to
+# regrtest.py.
+
+from test.support import run_unittest, check_syntax_error
+import unittest
+import sys
+# testing import *
+from sys import *
+
+class TokenTests(unittest.TestCase):
+
+    def testBackslash(self):
+        # Backslash means line continuation:
+        x = 1 \
+        + 1
+        self.assertEquals(x, 2, 'backslash for line continuation')
+
+        # Backslash does not means continuation in comments :\
+        x = 0
+        self.assertEquals(x, 0, 'backslash ending comment')
+
+    def testPlainIntegers(self):
+        self.assertEquals(type(000), type(0))
+        self.assertEquals(0xff, 255)
+        self.assertEquals(0o377, 255)
+        self.assertEquals(2147483647, 0o17777777777)
+        self.assertEquals(0b1001, 9)
+        # "0x" is not a valid literal
+        self.assertRaises(SyntaxError, eval, "0x")
+        from sys import maxsize
+        if maxsize == 2147483647:
+            self.assertEquals(-2147483647-1, -0o20000000000)
+            # XXX -2147483648
+            self.assert_(0o37777777777 > 0)
+            self.assert_(0xffffffff > 0)
+            self.assert_(0b1111111111111111111111111111111 > 0)
+            for s in ('2147483648', '0o40000000000', '0x100000000',
+                      '0b10000000000000000000000000000000'):
+                try:
+                    x = eval(s)
+                except OverflowError:
+                    self.fail("OverflowError on huge integer literal %r" % s)
+        elif maxsize == 9223372036854775807:
+            self.assertEquals(-9223372036854775807-1, -0o1000000000000000000000)
+            self.assert_(0o1777777777777777777777 > 0)
+            self.assert_(0xffffffffffffffff > 0)
+            self.assert_(0b11111111111111111111111111111111111111111111111111111111111111 > 0)
+            for s in '9223372036854775808', '0o2000000000000000000000', \
+                     '0x10000000000000000', \
+                     '0b100000000000000000000000000000000000000000000000000000000000000':
+                try:
+                    x = eval(s)
+                except OverflowError:
+                    self.fail("OverflowError on huge integer literal %r" % s)
+        else:
+            self.fail('Weird maxsize value %r' % maxsize)
+
+    def testLongIntegers(self):
+        x = 0
+        x = 0xffffffffffffffff
+        x = 0Xffffffffffffffff
+        x = 0o77777777777777777
+        x = 0O77777777777777777
+        x = 123456789012345678901234567890
+        x = 0b100000000000000000000000000000000000000000000000000000000000000000000
+        x = 0B111111111111111111111111111111111111111111111111111111111111111111111
+
+    def testFloats(self):
+        x = 3.14
+        x = 314.
+        x = 0.314
+        # XXX x = 000.314
+        x = .314
+        x = 3e14
+        x = 3E14
+        x = 3e-14
+        x = 3e+14
+        x = 3.e14
+        x = .3e14
+        x = 3.1e4
+
+    def testStringLiterals(self):
+        x = ''; y = ""; self.assert_(len(x) == 0 and x == y)
+        x = '\''; y = "'"; self.assert_(len(x) == 1 and x == y and ord(x) == 39)
+        x = '"'; y = "\""; self.assert_(len(x) == 1 and x == y and ord(x) == 34)
+        x = "doesn't \"shrink\" does it"
+        y = 'doesn\'t "shrink" does it'
+        self.assert_(len(x) == 24 and x == y)
+        x = "does \"shrink\" doesn't it"
+        y = 'does "shrink" doesn\'t it'
+        self.assert_(len(x) == 24 and x == y)
+        x = """
+The "quick"
+brown fox
+jumps over
+the 'lazy' dog.
+"""
+        y = '\nThe "quick"\nbrown fox\njumps over\nthe \'lazy\' dog.\n'
+        self.assertEquals(x, y)
+        y = '''
+The "quick"
+brown fox
+jumps over
+the 'lazy' dog.
+'''
+        self.assertEquals(x, y)
+        y = "\n\
+The \"quick\"\n\
+brown fox\n\
+jumps over\n\
+the 'lazy' dog.\n\
+"
+        self.assertEquals(x, y)
+        y = '\n\
+The \"quick\"\n\
+brown fox\n\
+jumps over\n\
+the \'lazy\' dog.\n\
+'
+        self.assertEquals(x, y)
+
+    def testEllipsis(self):
+        x = ...
+        self.assert_(x is Ellipsis)
+        self.assertRaises(SyntaxError, eval, ".. .")
+
+class GrammarTests(unittest.TestCase):
+
+    # single_input: NEWLINE | simple_stmt | compound_stmt NEWLINE
+    # XXX can't test in a script -- this rule is only used when interactive
+
+    # file_input: (NEWLINE | stmt)* ENDMARKER
+    # Being tested as this very moment this very module
+
+    # expr_input: testlist NEWLINE
+    # XXX Hard to test -- used only in calls to input()
+
+    def testEvalInput(self):
+        # testlist ENDMARKER
+        x = eval('1, 0 or 1')
+
+    def testFuncdef(self):
+        ### [decorators] 'def' NAME parameters ['->' test] ':' suite
+        ### decorator: '@' dotted_name [ '(' [arglist] ')' ] NEWLINE
+        ### decorators: decorator+
+        ### parameters: '(' [typedargslist] ')'
+        ### typedargslist: ((tfpdef ['=' test] ',')*
+        ###                ('*' [tfpdef] (',' tfpdef ['=' test])* [',' '**' tfpdef] | '**' tfpdef)
+        ###                | tfpdef ['=' test] (',' tfpdef ['=' test])* [','])
+        ### tfpdef: NAME [':' test]
+        ### varargslist: ((vfpdef ['=' test] ',')*
+        ###              ('*' [vfpdef] (',' vfpdef ['=' test])*  [',' '**' vfpdef] | '**' vfpdef)
+        ###              | vfpdef ['=' test] (',' vfpdef ['=' test])* [','])
+        ### vfpdef: NAME
+        def f1(): pass
+        f1()
+        f1(*())
+        f1(*(), **{})
+        def f2(one_argument): pass
+        def f3(two, arguments): pass
+        self.assertEquals(f2.__code__.co_varnames, ('one_argument',))
+        self.assertEquals(f3.__code__.co_varnames, ('two', 'arguments'))
+        def a1(one_arg,): pass
+        def a2(two, args,): pass
+        def v0(*rest): pass
+        def v1(a, *rest): pass
+        def v2(a, b, *rest): pass
+
+        f1()
+        f2(1)
+        f2(1,)
+        f3(1, 2)
+        f3(1, 2,)
+        v0()
+        v0(1)
+        v0(1,)
+        v0(1,2)
+        v0(1,2,3,4,5,6,7,8,9,0)
+        v1(1)
+        v1(1,)
+        v1(1,2)
+        v1(1,2,3)
+        v1(1,2,3,4,5,6,7,8,9,0)
+        v2(1,2)
+        v2(1,2,3)
+        v2(1,2,3,4)
+        v2(1,2,3,4,5,6,7,8,9,0)
+
+        def d01(a=1): pass
+        d01()
+        d01(1)
+        d01(*(1,))
+        d01(**{'a':2})
+        def d11(a, b=1): pass
+        d11(1)
+        d11(1, 2)
+        d11(1, **{'b':2})
+        def d21(a, b, c=1): pass
+        d21(1, 2)
+        d21(1, 2, 3)
+        d21(*(1, 2, 3))
+        d21(1, *(2, 3))
+        d21(1, 2, *(3,))
+        d21(1, 2, **{'c':3})
+        def d02(a=1, b=2): pass
+        d02()
+        d02(1)
+        d02(1, 2)
+        d02(*(1, 2))
+        d02(1, *(2,))
+        d02(1, **{'b':2})
+        d02(**{'a': 1, 'b': 2})
+        def d12(a, b=1, c=2): pass
+        d12(1)
+        d12(1, 2)
+        d12(1, 2, 3)
+        def d22(a, b, c=1, d=2): pass
+        d22(1, 2)
+        d22(1, 2, 3)
+        d22(1, 2, 3, 4)
+        def d01v(a=1, *rest): pass
+        d01v()
+        d01v(1)
+        d01v(1, 2)
+        d01v(*(1, 2, 3, 4))
+        d01v(*(1,))
+        d01v(**{'a':2})
+        def d11v(a, b=1, *rest): pass
+        d11v(1)
+        d11v(1, 2)
+        d11v(1, 2, 3)
+        def d21v(a, b, c=1, *rest): pass
+        d21v(1, 2)
+        d21v(1, 2, 3)
+        d21v(1, 2, 3, 4)
+        d21v(*(1, 2, 3, 4))
+        d21v(1, 2, **{'c': 3})
+        def d02v(a=1, b=2, *rest): pass
+        d02v()
+        d02v(1)
+        d02v(1, 2)
+        d02v(1, 2, 3)
+        d02v(1, *(2, 3, 4))
+        d02v(**{'a': 1, 'b': 2})
+        def d12v(a, b=1, c=2, *rest): pass
+        d12v(1)
+        d12v(1, 2)
+        d12v(1, 2, 3)
+        d12v(1, 2, 3, 4)
+        d12v(*(1, 2, 3, 4))
+        d12v(1, 2, *(3, 4, 5))
+        d12v(1, *(2,), **{'c': 3})
+        def d22v(a, b, c=1, d=2, *rest): pass
+        d22v(1, 2)
+        d22v(1, 2, 3)
+        d22v(1, 2, 3, 4)
+        d22v(1, 2, 3, 4, 5)
+        d22v(*(1, 2, 3, 4))
+        d22v(1, 2, *(3, 4, 5))
+        d22v(1, *(2, 3), **{'d': 4})
+
+        # keyword argument type tests
+        try:
+            str('x', **{b'foo':1 })
+        except TypeError:
+            pass
+        else:
+            self.fail('Bytes should not work as keyword argument names')
+        # keyword only argument tests
+        def pos0key1(*, key): return key
+        pos0key1(key=100)
+        def pos2key2(p1, p2, *, k1, k2=100): return p1,p2,k1,k2
+        pos2key2(1, 2, k1=100)
+        pos2key2(1, 2, k1=100, k2=200)
+        pos2key2(1, 2, k2=100, k1=200)
+        def pos2key2dict(p1, p2, *, k1=100, k2, **kwarg): return p1,p2,k1,k2,kwarg
+        pos2key2dict(1,2,k2=100,tokwarg1=100,tokwarg2=200)
+        pos2key2dict(1,2,tokwarg1=100,tokwarg2=200, k2=100)
+
+        # keyword arguments after *arglist
+        def f(*args, **kwargs):
+            return args, kwargs
+        self.assertEquals(f(1, x=2, *[3, 4], y=5), ((1, 3, 4),
+                                                    {'x':2, 'y':5}))
+        self.assertRaises(SyntaxError, eval, "f(1, *(2,3), 4)")
+        self.assertRaises(SyntaxError, eval, "f(1, x=2, *(3,4), x=5)")
+
+        # argument annotation tests
+        def f(x) -> list: pass
+        self.assertEquals(f.__annotations__, {'return': list})
+        def f(x:int): pass
+        self.assertEquals(f.__annotations__, {'x': int})
+        def f(*x:str): pass
+        self.assertEquals(f.__annotations__, {'x': str})
+        def f(**x:float): pass
+        self.assertEquals(f.__annotations__, {'x': float})
+        def f(x, y:1+2): pass
+        self.assertEquals(f.__annotations__, {'y': 3})
+        def f(a, b:1, c:2, d): pass
+        self.assertEquals(f.__annotations__, {'b': 1, 'c': 2})
+        def f(a, b:1, c:2, d, e:3=4, f=5, *g:6): pass
+        self.assertEquals(f.__annotations__,
+                          {'b': 1, 'c': 2, 'e': 3, 'g': 6})
+        def f(a, b:1, c:2, d, e:3=4, f=5, *g:6, h:7, i=8, j:9=10,
+              **k:11) -> 12: pass
+        self.assertEquals(f.__annotations__,
+                          {'b': 1, 'c': 2, 'e': 3, 'g': 6, 'h': 7, 'j': 9,
+                           'k': 11, 'return': 12})
+        # Check for SF Bug #1697248 - mixing decorators and a return annotation
+        def null(x): return x
+        @null
+        def f(x) -> list: pass
+        self.assertEquals(f.__annotations__, {'return': list})
+
+        # test MAKE_CLOSURE with a variety of oparg's
+        closure = 1
+        def f(): return closure
+        def f(x=1): return closure
+        def f(*, k=1): return closure
+        def f() -> int: return closure
+
+        # Check ast errors in *args and *kwargs
+        check_syntax_error(self, "f(*g(1=2))")
+        check_syntax_error(self, "f(**g(1=2))")
+
+    def testLambdef(self):
+        ### lambdef: 'lambda' [varargslist] ':' test
+        l1 = lambda : 0
+        self.assertEquals(l1(), 0)
+        l2 = lambda : a[d] # XXX just testing the expression
+        l3 = lambda : [2 < x for x in [-1, 3, 0]]
+        self.assertEquals(l3(), [0, 1, 0])
+        l4 = lambda x = lambda y = lambda z=1 : z : y() : x()
+        self.assertEquals(l4(), 1)
+        l5 = lambda x, y, z=2: x + y + z
+        self.assertEquals(l5(1, 2), 5)
+        self.assertEquals(l5(1, 2, 3), 6)
+        check_syntax_error(self, "lambda x: x = 2")
+        check_syntax_error(self, "lambda (None,): None")
+        l6 = lambda x, y, *, k=20: x+y+k
+        self.assertEquals(l6(1,2), 1+2+20)
+        self.assertEquals(l6(1,2,k=10), 1+2+10)
+
+
+    ### stmt: simple_stmt | compound_stmt
+    # Tested below
+
+    def testSimpleStmt(self):
+        ### simple_stmt: small_stmt (';' small_stmt)* [';']
+        x = 1; pass; del x
+        def foo():
+            # verify statements that end with semi-colons
+            x = 1; pass; del x;
+        foo()
+
+    ### small_stmt: expr_stmt | pass_stmt | del_stmt | flow_stmt | import_stmt | global_stmt | access_stmt
+    # Tested below
+
+    def testExprStmt(self):
+        # (exprlist '=')* exprlist
+        1
+        1, 2, 3
+        x = 1
+        x = 1, 2, 3
+        x = y = z = 1, 2, 3
+        x, y, z = 1, 2, 3
+        abc = a, b, c = x, y, z = xyz = 1, 2, (3, 4)
+
+        check_syntax_error(self, "x + 1 = 1")
+        check_syntax_error(self, "a + 1 = b + 2")
+
+    def testDelStmt(self):
+        # 'del' exprlist
+        abc = [1,2,3]
+        x, y, z = abc
+        xyz = x, y, z
+
+        del abc
+        del x, y, (z, xyz)
+
+    def testPassStmt(self):
+        # 'pass'
+        pass
+
+    # flow_stmt: break_stmt | continue_stmt | return_stmt | raise_stmt
+    # Tested below
+
+    def testBreakStmt(self):
+        # 'break'
+        while 1: break
+
+    def testContinueStmt(self):
+        # 'continue'
+        i = 1
+        while i: i = 0; continue
+
+        msg = ""
+        while not msg:
+            msg = "ok"
+            try:
+                continue
+                msg = "continue failed to continue inside try"
+            except:
+                msg = "continue inside try called except block"
+        if msg != "ok":
+            self.fail(msg)
+
+        msg = ""
+        while not msg:
+            msg = "finally block not called"
+            try:
+                continue
+            finally:
+                msg = "ok"
+        if msg != "ok":
+            self.fail(msg)
+
+    def test_break_continue_loop(self):
+        # This test warrants an explanation. It is a test specifically for SF bugs
+        # #463359 and #462937. The bug is that a 'break' statement executed or
+        # exception raised inside a try/except inside a loop, *after* a continue
+        # statement has been executed in that loop, will cause the wrong number of
+        # arguments to be popped off the stack and the instruction pointer reset to
+        # a very small number (usually 0.) Because of this, the following test
+        # *must* written as a function, and the tracking vars *must* be function
+        # arguments with default values. Otherwise, the test will loop and loop.
+
+        def test_inner(extra_burning_oil = 1, count=0):
+            big_hippo = 2
+            while big_hippo:
+                count += 1
+                try:
+                    if extra_burning_oil and big_hippo == 1:
+                        extra_burning_oil -= 1
+                        break
+                    big_hippo -= 1
+                    continue
+                except:
+                    raise
+            if count > 2 or big_hippo != 1:
+                self.fail("continue then break in try/except in loop broken!")
+        test_inner()
+
+    def testReturn(self):
+        # 'return' [testlist]
+        def g1(): return
+        def g2(): return 1
+        g1()
+        x = g2()
+        check_syntax_error(self, "class foo:return 1")
+
+    def testYield(self):
+        check_syntax_error(self, "class foo:yield 1")
+
+    def testRaise(self):
+        # 'raise' test [',' test]
+        try: raise RuntimeError('just testing')
+        except RuntimeError: pass
+        try: raise KeyboardInterrupt
+        except KeyboardInterrupt: pass
+
+    def testImport(self):
+        # 'import' dotted_as_names
+        import sys
+        import time, sys
+        # 'from' dotted_name 'import' ('*' | '(' import_as_names ')' | import_as_names)
+        from time import time
+        from time import (time)
+        # not testable inside a function, but already done at top of the module
+        # from sys import *
+        from sys import path, argv
+        from sys import (path, argv)
+        from sys import (path, argv,)
+
+    def testGlobal(self):
+        # 'global' NAME (',' NAME)*
+        global a
+        global a, b
+        global one, two, three, four, five, six, seven, eight, nine, ten
+
+    def testNonlocal(self):
+        # 'nonlocal' NAME (',' NAME)*
+        x = 0
+        y = 0
+        def f():
+            nonlocal x
+            nonlocal x, y
+
+    def testAssert(self):
+        # assert_stmt: 'assert' test [',' test]
+        assert 1
+        assert 1, 1
+        assert lambda x:x
+        assert 1, lambda x:x+1
+        try:
+            assert 0, "msg"
+        except AssertionError as e:
+            self.assertEquals(e.args[0], "msg")
+        else:
+            if __debug__:
+                self.fail("AssertionError not raised by assert 0")
+
+    ### compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | funcdef | classdef
+    # Tested below
+
+    def testIf(self):
+        # 'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite]
+        if 1: pass
+        if 1: pass
+        else: pass
+        if 0: pass
+        elif 0: pass
+        if 0: pass
+        elif 0: pass
+        elif 0: pass
+        elif 0: pass
+        else: pass
+
+    def testWhile(self):
+        # 'while' test ':' suite ['else' ':' suite]
+        while 0: pass
+        while 0: pass
+        else: pass
+
+        # Issue1920: "while 0" is optimized away,
+        # ensure that the "else" clause is still present.
+        x = 0
+        while 0:
+            x = 1
+        else:
+            x = 2
+        self.assertEquals(x, 2)
+
+    def testFor(self):
+        # 'for' exprlist 'in' exprlist ':' suite ['else' ':' suite]
+        for i in 1, 2, 3: pass
+        for i, j, k in (): pass
+        else: pass
+        class Squares:
+            def __init__(self, max):
+                self.max = max
+                self.sofar = []
+            def __len__(self): return len(self.sofar)
+            def __getitem__(self, i):
+                if not 0 <= i < self.max: raise IndexError
+                n = len(self.sofar)
+                while n <= i:
+                    self.sofar.append(n*n)
+                    n = n+1
+                return self.sofar[i]
+        n = 0
+        for x in Squares(10): n = n+x
+        if n != 285:
+            self.fail('for over growing sequence')
+
+        result = []
+        for x, in [(1,), (2,), (3,)]:
+            result.append(x)
+        self.assertEqual(result, [1, 2, 3])
+
+    def testTry(self):
+        ### try_stmt: 'try' ':' suite (except_clause ':' suite)+ ['else' ':' suite]
+        ###         | 'try' ':' suite 'finally' ':' suite
+        ### except_clause: 'except' [expr ['as' expr]]
+        try:
+            1/0
+        except ZeroDivisionError:
+            pass
+        else:
+            pass
+        try: 1/0
+        except EOFError: pass
+        except TypeError as msg: pass
+        except RuntimeError as msg: pass
+        except: pass
+        else: pass
+        try: 1/0
+        except (EOFError, TypeError, ZeroDivisionError): pass
+        try: 1/0
+        except (EOFError, TypeError, ZeroDivisionError) as msg: pass
+        try: pass
+        finally: pass
+
+    def testSuite(self):
+        # simple_stmt | NEWLINE INDENT NEWLINE* (stmt NEWLINE*)+ DEDENT
+        if 1: pass
+        if 1:
+            pass
+        if 1:
+            #
+            #
+            #
+            pass
+            pass
+            #
+            pass
+            #
+
+    def testTest(self):
+        ### and_test ('or' and_test)*
+        ### and_test: not_test ('and' not_test)*
+        ### not_test: 'not' not_test | comparison
+        if not 1: pass
+        if 1 and 1: pass
+        if 1 or 1: pass
+        if not not not 1: pass
+        if not 1 and 1 and 1: pass
+        if 1 and 1 or 1 and 1 and 1 or not 1 and 1: pass
+
+    def testComparison(self):
+        ### comparison: expr (comp_op expr)*
+        ### comp_op: '<'|'>'|'=='|'>='|'<='|'!='|'in'|'not' 'in'|'is'|'is' 'not'
+        if 1: pass
+        x = (1 == 1)
+        if 1 == 1: pass
+        if 1 != 1: pass
+        if 1 < 1: pass
+        if 1 > 1: pass
+        if 1 <= 1: pass
+        if 1 >= 1: pass
+        if 1 is 1: pass
+        if 1 is not 1: pass
+        if 1 in (): pass
+        if 1 not in (): pass
+        if 1 < 1 > 1 == 1 >= 1 <= 1 != 1 in 1 not in 1 is 1 is not 1: pass
+
+    def testBinaryMaskOps(self):
+        x = 1 & 1
+        x = 1 ^ 1
+        x = 1 | 1
+
+    def testShiftOps(self):
+        x = 1 << 1
+        x = 1 >> 1
+        x = 1 << 1 >> 1
+
+    def testAdditiveOps(self):
+        x = 1
+        x = 1 + 1
+        x = 1 - 1 - 1
+        x = 1 - 1 + 1 - 1 + 1
+
+    def testMultiplicativeOps(self):
+        x = 1 * 1
+        x = 1 / 1
+        x = 1 % 1
+        x = 1 / 1 * 1 % 1
+
+    def testUnaryOps(self):
+        x = +1
+        x = -1
+        x = ~1
+        x = ~1 ^ 1 & 1 | 1 & 1 ^ -1
+        x = -1*1/1 + 1*1 - ---1*1
+
+    def testSelectors(self):
+        ### trailer: '(' [testlist] ')' | '[' subscript ']' | '.' NAME
+        ### subscript: expr | [expr] ':' [expr]
+
+        import sys, time
+        c = sys.path[0]
+        x = time.time()
+        x = sys.modules['time'].time()
+        a = '01234'
+        c = a[0]
+        c = a[-1]
+        s = a[0:5]
+        s = a[:5]
+        s = a[0:]
+        s = a[:]
+        s = a[-5:]
+        s = a[:-1]
+        s = a[-4:-3]
+        # A rough test of SF bug 1333982.  http://python.org/sf/1333982
+        # The testing here is fairly incomplete.
+        # Test cases should include: commas with 1 and 2 colons
+        d = {}
+        d[1] = 1
+        d[1,] = 2
+        d[1,2] = 3
+        d[1,2,3] = 4
+        L = list(d)
+        L.sort(key=lambda x: x if isinstance(x, tuple) else ())
+        self.assertEquals(str(L), '[1, (1,), (1, 2), (1, 2, 3)]')
+
+    def testAtoms(self):
+        ### atom: '(' [testlist] ')' | '[' [testlist] ']' | '{' [dictsetmaker] '}' | NAME | NUMBER | STRING
+        ### dictsetmaker: (test ':' test (',' test ':' test)* [',']) | (test (',' test)* [','])
+
+        x = (1)
+        x = (1 or 2 or 3)
+        x = (1 or 2 or 3, 2, 3)
+
+        x = []
+        x = [1]
+        x = [1 or 2 or 3]
+        x = [1 or 2 or 3, 2, 3]
+        x = []
+
+        x = {}
+        x = {'one': 1}
+        x = {'one': 1,}
+        x = {'one' or 'two': 1 or 2}
+        x = {'one': 1, 'two': 2}
+        x = {'one': 1, 'two': 2,}
+        x = {'one': 1, 'two': 2, 'three': 3, 'four': 4, 'five': 5, 'six': 6}
+
+        x = {'one'}
+        x = {'one', 1,}
+        x = {'one', 'two', 'three'}
+        x = {2, 3, 4,}
+
+        x = x
+        x = 'x'
+        x = 123
+
+    ### exprlist: expr (',' expr)* [',']
+    ### testlist: test (',' test)* [',']
+    # These have been exercised enough above
+
+    def testClassdef(self):
+        # 'class' NAME ['(' [testlist] ')'] ':' suite
+        class B: pass
+        class B2(): pass
+        class C1(B): pass
+        class C2(B): pass
+        class D(C1, C2, B): pass
+        class C:
+            def meth1(self): pass
+            def meth2(self, arg): pass
+            def meth3(self, a1, a2): pass
+
+        # decorator: '@' dotted_name [ '(' [arglist] ')' ] NEWLINE
+        # decorators: decorator+
+        # decorated: decorators (classdef | funcdef)
+        def class_decorator(x): return x
+        @class_decorator
+        class G: pass
+
+    def testDictcomps(self):
+        # dictorsetmaker: ( (test ':' test (comp_for |
+        #                                   (',' test ':' test)* [','])) |
+        #                   (test (comp_for | (',' test)* [','])) )
+        nums = [1, 2, 3]
+        self.assertEqual({i:i+1 for i in nums}, {1: 2, 2: 3, 3: 4})
+
+    def testListcomps(self):
+        # list comprehension tests
+        nums = [1, 2, 3, 4, 5]
+        strs = ["Apple", "Banana", "Coconut"]
+        spcs = ["  Apple", " Banana ", "Coco  nut  "]
+
+        self.assertEqual([s.strip() for s in spcs], ['Apple', 'Banana', 'Coco  nut'])
+        self.assertEqual([3 * x for x in nums], [3, 6, 9, 12, 15])
+        self.assertEqual([x for x in nums if x > 2], [3, 4, 5])
+        self.assertEqual([(i, s) for i in nums for s in strs],
+                         [(1, 'Apple'), (1, 'Banana'), (1, 'Coconut'),
+                          (2, 'Apple'), (2, 'Banana'), (2, 'Coconut'),
+                          (3, 'Apple'), (3, 'Banana'), (3, 'Coconut'),
+                          (4, 'Apple'), (4, 'Banana'), (4, 'Coconut'),
+                          (5, 'Apple'), (5, 'Banana'), (5, 'Coconut')])
+        self.assertEqual([(i, s) for i in nums for s in [f for f in strs if "n" in f]],
+                         [(1, 'Banana'), (1, 'Coconut'), (2, 'Banana'), (2, 'Coconut'),
+                          (3, 'Banana'), (3, 'Coconut'), (4, 'Banana'), (4, 'Coconut'),
+                          (5, 'Banana'), (5, 'Coconut')])
+        self.assertEqual([(lambda a:[a**i for i in range(a+1)])(j) for j in range(5)],
+                         [[1], [1, 1], [1, 2, 4], [1, 3, 9, 27], [1, 4, 16, 64, 256]])
+
+        def test_in_func(l):
+            return [0 < x < 3 for x in l if x > 2]
+
+        self.assertEqual(test_in_func(nums), [False, False, False])
+
+        def test_nested_front():
+            self.assertEqual([[y for y in [x, x + 1]] for x in [1,3,5]],
+                             [[1, 2], [3, 4], [5, 6]])
+
+        test_nested_front()
+
+        check_syntax_error(self, "[i, s for i in nums for s in strs]")
+        check_syntax_error(self, "[x if y]")
+
+        suppliers = [
+          (1, "Boeing"),
+          (2, "Ford"),
+          (3, "Macdonalds")
+        ]
+
+        parts = [
+          (10, "Airliner"),
+          (20, "Engine"),
+          (30, "Cheeseburger")
+        ]
+
+        suppart = [
+          (1, 10), (1, 20), (2, 20), (3, 30)
+        ]
+
+        x = [
+          (sname, pname)
+            for (sno, sname) in suppliers
+              for (pno, pname) in parts
+                for (sp_sno, sp_pno) in suppart
+                  if sno == sp_sno and pno == sp_pno
+        ]
+
+        self.assertEqual(x, [('Boeing', 'Airliner'), ('Boeing', 'Engine'), ('Ford', 'Engine'),
+                             ('Macdonalds', 'Cheeseburger')])
+
+    def testGenexps(self):
+        # generator expression tests
+        g = ([x for x in range(10)] for x in range(1))
+        self.assertEqual(next(g), [x for x in range(10)])
+        try:
+            next(g)
+            self.fail('should produce StopIteration exception')
+        except StopIteration:
+            pass
+
+        a = 1
+        try:
+            g = (a for d in a)
+            next(g)
+            self.fail('should produce TypeError')
+        except TypeError:
+            pass
+
+        self.assertEqual(list((x, y) for x in 'abcd' for y in 'abcd'), [(x, y) for x in 'abcd' for y in 'abcd'])
+        self.assertEqual(list((x, y) for x in 'ab' for y in 'xy'), [(x, y) for x in 'ab' for y in 'xy'])
+
+        a = [x for x in range(10)]
+        b = (x for x in (y for y in a))
+        self.assertEqual(sum(b), sum([x for x in range(10)]))
+
+        self.assertEqual(sum(x**2 for x in range(10)), sum([x**2 for x in range(10)]))
+        self.assertEqual(sum(x*x for x in range(10) if x%2), sum([x*x for x in range(10) if x%2]))
+        self.assertEqual(sum(x for x in (y for y in range(10))), sum([x for x in range(10)]))
+        self.assertEqual(sum(x for x in (y for y in (z for z in range(10)))), sum([x for x in range(10)]))
+        self.assertEqual(sum(x for x in [y for y in (z for z in range(10))]), sum([x for x in range(10)]))
+        self.assertEqual(sum(x for x in (y for y in (z for z in range(10) if True)) if True), sum([x for x in range(10)]))
+        self.assertEqual(sum(x for x in (y for y in (z for z in range(10) if True) if False) if True), 0)
+        check_syntax_error(self, "foo(x for x in range(10), 100)")
+        check_syntax_error(self, "foo(100, x for x in range(10))")
+
+    def testComprehensionSpecials(self):
+        # test for outmost iterable precomputation
+        x = 10; g = (i for i in range(x)); x = 5
+        self.assertEqual(len(list(g)), 10)
+
+        # This should hold, since we're only precomputing outmost iterable.
+        x = 10; t = False; g = ((i,j) for i in range(x) if t for j in range(x))
+        x = 5; t = True;
+        self.assertEqual([(i,j) for i in range(10) for j in range(5)], list(g))
+
+        # Grammar allows multiple adjacent 'if's in listcomps and genexps,
+        # even though it's silly. Make sure it works (ifelse broke this.)
+        self.assertEqual([ x for x in range(10) if x % 2 if x % 3 ], [1, 5, 7])
+        self.assertEqual(list(x for x in range(10) if x % 2 if x % 3), [1, 5, 7])
+
+        # verify unpacking single element tuples in listcomp/genexp.
+        self.assertEqual([x for x, in [(4,), (5,), (6,)]], [4, 5, 6])
+        self.assertEqual(list(x for x, in [(7,), (8,), (9,)]), [7, 8, 9])
+
+    def test_with_statement(self):
+        class manager(object):
+            def __enter__(self):
+                return (1, 2)
+            def __exit__(self, *args):
+                pass
+
+        with manager():
+            pass
+        with manager() as x:
+            pass
+        with manager() as (x, y):
+            pass
+        with manager(), manager():
+            pass
+        with manager() as x, manager() as y:
+            pass
+        with manager() as x, manager():
+            pass
+
+    def testIfElseExpr(self):
+        # Test ifelse expressions in various cases
+        def _checkeval(msg, ret):
+            "helper to check that evaluation of expressions is done correctly"
+            print(x)
+            return ret
+
+        # the next line is not allowed anymore
+        #self.assertEqual([ x() for x in lambda: True, lambda: False if x() ], [True])
+        self.assertEqual([ x() for x in (lambda: True, lambda: False) if x() ], [True])
+        self.assertEqual([ x(False) for x in (lambda x: False if x else True, lambda x: True if x else False) if x(False) ], [True])
+        self.assertEqual((5 if 1 else _checkeval("check 1", 0)), 5)
+        self.assertEqual((_checkeval("check 2", 0) if 0 else 5), 5)
+        self.assertEqual((5 and 6 if 0 else 1), 1)
+        self.assertEqual(((5 and 6) if 0 else 1), 1)
+        self.assertEqual((5 and (6 if 1 else 1)), 6)
+        self.assertEqual((0 or _checkeval("check 3", 2) if 0 else 3), 3)
+        self.assertEqual((1 or _checkeval("check 4", 2) if 1 else _checkeval("check 5", 3)), 1)
+        self.assertEqual((0 or 5 if 1 else _checkeval("check 6", 3)), 5)
+        self.assertEqual((not 5 if 1 else 1), False)
+        self.assertEqual((not 5 if 0 else 1), 1)
+        self.assertEqual((6 + 1 if 1 else 2), 7)
+        self.assertEqual((6 - 1 if 1 else 2), 5)
+        self.assertEqual((6 * 2 if 1 else 4), 12)
+        self.assertEqual((6 / 2 if 1 else 3), 3)
+        self.assertEqual((6 < 4 if 0 else 2), 2)
+
+
+def test_main():
+    run_unittest(TokenTests, GrammarTests)
+
+if __name__ == '__main__':
+    test_main()
diff --git a/lib/python2.7/lib2to3/tests/pytree_idempotency.py b/lib/python2.7/lib2to3/tests/pytree_idempotency.py
new file mode 100644
index 0000000..333b622
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/pytree_idempotency.py
@@ -0,0 +1,92 @@
+#!/usr/bin/env python2
+# Copyright 2006 Google, Inc. All Rights Reserved.
+# Licensed to PSF under a Contributor Agreement.
+
+"""Main program for testing the infrastructure."""
+
+__author__ = "Guido van Rossum <guido@python.org>"
+
+# Support imports (need to be imported first)
+from . import support
+
+# Python imports
+import os
+import sys
+import logging
+
+# Local imports
+from .. import pytree
+import pgen2
+from pgen2 import driver
+
+logging.basicConfig()
+
+def main():
+    gr = driver.load_grammar("Grammar.txt")
+    dr = driver.Driver(gr, convert=pytree.convert)
+
+    fn = "example.py"
+    tree = dr.parse_file(fn, debug=True)
+    if not diff(fn, tree):
+        print "No diffs."
+    if not sys.argv[1:]:
+        return # Pass a dummy argument to run the complete test suite below
+
+    problems = []
+
+    # Process every imported module
+    for name in sys.modules:
+        mod = sys.modules[name]
+        if mod is None or not hasattr(mod, "__file__"):
+            continue
+        fn = mod.__file__
+        if fn.endswith(".pyc"):
+            fn = fn[:-1]
+        if not fn.endswith(".py"):
+            continue
+        print >>sys.stderr, "Parsing", fn
+        tree = dr.parse_file(fn, debug=True)
+        if diff(fn, tree):
+            problems.append(fn)
+
+    # Process every single module on sys.path (but not in packages)
+    for dir in sys.path:
+        try:
+            names = os.listdir(dir)
+        except os.error:
+            continue
+        print >>sys.stderr, "Scanning", dir, "..."
+        for name in names:
+            if not name.endswith(".py"):
+                continue
+            print >>sys.stderr, "Parsing", name
+            fn = os.path.join(dir, name)
+            try:
+                tree = dr.parse_file(fn, debug=True)
+            except pgen2.parse.ParseError, err:
+                print "ParseError:", err
+            else:
+                if diff(fn, tree):
+                    problems.append(fn)
+
+    # Show summary of problem files
+    if not problems:
+        print "No problems.  Congratulations!"
+    else:
+        print "Problems in following files:"
+        for fn in problems:
+            print "***", fn
+
+def diff(fn, tree):
+    f = open("@", "w")
+    try:
+        f.write(str(tree))
+    finally:
+        f.close()
+    try:
+        return os.system("diff -u %s @" % fn)
+    finally:
+        os.remove("@")
+
+if __name__ == "__main__":
+    main()
diff --git a/lib/python2.7/lib2to3/tests/support.py b/lib/python2.7/lib2to3/tests/support.py
new file mode 100644
index 0000000..8f12de9
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/support.py
@@ -0,0 +1,54 @@
+"""Support code for test_*.py files"""
+# Author: Collin Winter
+
+# Python imports
+import unittest
+import sys
+import os
+import os.path
+import re
+from textwrap import dedent
+
+# Local imports
+from lib2to3 import pytree, refactor
+from lib2to3.pgen2 import driver as pgen2_driver
+
+test_dir = os.path.dirname(__file__)
+proj_dir = os.path.normpath(os.path.join(test_dir, ".."))
+grammar_path = os.path.join(test_dir, "..", "Grammar.txt")
+grammar = pgen2_driver.load_grammar(grammar_path)
+driver = pgen2_driver.Driver(grammar, convert=pytree.convert)
+
+def parse_string(string):
+    return driver.parse_string(reformat(string), debug=True)
+
+def run_all_tests(test_mod=None, tests=None):
+    if tests is None:
+        tests = unittest.TestLoader().loadTestsFromModule(test_mod)
+    unittest.TextTestRunner(verbosity=2).run(tests)
+
+def reformat(string):
+    return dedent(string) + u"\n\n"
+
+def get_refactorer(fixer_pkg="lib2to3", fixers=None, options=None):
+    """
+    A convenience function for creating a RefactoringTool for tests.
+
+    fixers is a list of fixers for the RefactoringTool to use. By default
+    "lib2to3.fixes.*" is used. options is an optional dictionary of options to
+    be passed to the RefactoringTool.
+    """
+    if fixers is not None:
+        fixers = [fixer_pkg + ".fixes.fix_" + fix for fix in fixers]
+    else:
+        fixers = refactor.get_fixers_from_package(fixer_pkg + ".fixes")
+    options = options or {}
+    return refactor.RefactoringTool(fixers, options, explicit=True)
+
+def all_project_files():
+    for dirpath, dirnames, filenames in os.walk(proj_dir):
+        for filename in filenames:
+            if filename.endswith(".py"):
+                yield os.path.join(dirpath, filename)
+
+TestCase = unittest.TestCase
diff --git a/lib/python2.7/lib2to3/tests/test_all_fixers.py b/lib/python2.7/lib2to3/tests/test_all_fixers.py
new file mode 100644
index 0000000..f64b3d9
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/test_all_fixers.py
@@ -0,0 +1,23 @@
+"""Tests that run all fixer modules over an input stream.
+
+This has been broken out into its own test module because of its
+running time.
+"""
+# Author: Collin Winter
+
+# Python imports
+import unittest
+
+# Local imports
+from lib2to3 import refactor
+from . import support
+
+
+class Test_all(support.TestCase):
+
+    def setUp(self):
+        self.refactor = support.get_refactorer()
+
+    def test_all_project_files(self):
+        for filepath in support.all_project_files():
+            self.refactor.refactor_file(filepath)
diff --git a/lib/python2.7/lib2to3/tests/test_fixers.py b/lib/python2.7/lib2to3/tests/test_fixers.py
new file mode 100644
index 0000000..b0e60fe
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/test_fixers.py
@@ -0,0 +1,4544 @@
+""" Test suite for the fixer modules """
+
+# Python imports
+import os
+import unittest
+from itertools import chain
+from operator import itemgetter
+
+# Local imports
+from lib2to3 import pygram, pytree, refactor, fixer_util
+from lib2to3.tests import support
+
+
+class FixerTestCase(support.TestCase):
+
+    # Other test cases can subclass this class and replace "fixer_pkg" with
+    # their own.
+    def setUp(self, fix_list=None, fixer_pkg="lib2to3", options=None):
+        if fix_list is None:
+            fix_list = [self.fixer]
+        self.refactor = support.get_refactorer(fixer_pkg, fix_list, options)
+        self.fixer_log = []
+        self.filename = u"<string>"
+
+        for fixer in chain(self.refactor.pre_order,
+                           self.refactor.post_order):
+            fixer.log = self.fixer_log
+
+    def _check(self, before, after):
+        before = support.reformat(before)
+        after = support.reformat(after)
+        tree = self.refactor.refactor_string(before, self.filename)
+        self.assertEqual(after, unicode(tree))
+        return tree
+
+    def check(self, before, after, ignore_warnings=False):
+        tree = self._check(before, after)
+        self.assertTrue(tree.was_changed)
+        if not ignore_warnings:
+            self.assertEqual(self.fixer_log, [])
+
+    def warns(self, before, after, message, unchanged=False):
+        tree = self._check(before, after)
+        self.assertIn(message, "".join(self.fixer_log))
+        if not unchanged:
+            self.assertTrue(tree.was_changed)
+
+    def warns_unchanged(self, before, message):
+        self.warns(before, before, message, unchanged=True)
+
+    def unchanged(self, before, ignore_warnings=False):
+        self._check(before, before)
+        if not ignore_warnings:
+            self.assertEqual(self.fixer_log, [])
+
+    def assert_runs_after(self, *names):
+        fixes = [self.fixer]
+        fixes.extend(names)
+        r = support.get_refactorer("lib2to3", fixes)
+        (pre, post) = r.get_fixers()
+        n = "fix_" + self.fixer
+        if post and post[-1].__class__.__module__.endswith(n):
+            # We're the last fixer to run
+            return
+        if pre and pre[-1].__class__.__module__.endswith(n) and not post:
+            # We're the last in pre and post is empty
+            return
+        self.fail("Fixer run order (%s) is incorrect; %s should be last."\
+               %(", ".join([x.__class__.__module__ for x in (pre+post)]), n))
+
+class Test_ne(FixerTestCase):
+    fixer = "ne"
+
+    def test_basic(self):
+        b = """if x <> y:
+            pass"""
+
+        a = """if x != y:
+            pass"""
+        self.check(b, a)
+
+    def test_no_spaces(self):
+        b = """if x<>y:
+            pass"""
+
+        a = """if x!=y:
+            pass"""
+        self.check(b, a)
+
+    def test_chained(self):
+        b = """if x<>y<>z:
+            pass"""
+
+        a = """if x!=y!=z:
+            pass"""
+        self.check(b, a)
+
+class Test_has_key(FixerTestCase):
+    fixer = "has_key"
+
+    def test_1(self):
+        b = """x = d.has_key("x") or d.has_key("y")"""
+        a = """x = "x" in d or "y" in d"""
+        self.check(b, a)
+
+    def test_2(self):
+        b = """x = a.b.c.d.has_key("x") ** 3"""
+        a = """x = ("x" in a.b.c.d) ** 3"""
+        self.check(b, a)
+
+    def test_3(self):
+        b = """x = a.b.has_key(1 + 2).__repr__()"""
+        a = """x = (1 + 2 in a.b).__repr__()"""
+        self.check(b, a)
+
+    def test_4(self):
+        b = """x = a.b.has_key(1 + 2).__repr__() ** -3 ** 4"""
+        a = """x = (1 + 2 in a.b).__repr__() ** -3 ** 4"""
+        self.check(b, a)
+
+    def test_5(self):
+        b = """x = a.has_key(f or g)"""
+        a = """x = (f or g) in a"""
+        self.check(b, a)
+
+    def test_6(self):
+        b = """x = a + b.has_key(c)"""
+        a = """x = a + (c in b)"""
+        self.check(b, a)
+
+    def test_7(self):
+        b = """x = a.has_key(lambda: 12)"""
+        a = """x = (lambda: 12) in a"""
+        self.check(b, a)
+
+    def test_8(self):
+        b = """x = a.has_key(a for a in b)"""
+        a = """x = (a for a in b) in a"""
+        self.check(b, a)
+
+    def test_9(self):
+        b = """if not a.has_key(b): pass"""
+        a = """if b not in a: pass"""
+        self.check(b, a)
+
+    def test_10(self):
+        b = """if not a.has_key(b).__repr__(): pass"""
+        a = """if not (b in a).__repr__(): pass"""
+        self.check(b, a)
+
+    def test_11(self):
+        b = """if not a.has_key(b) ** 2: pass"""
+        a = """if not (b in a) ** 2: pass"""
+        self.check(b, a)
+
+class Test_apply(FixerTestCase):
+    fixer = "apply"
+
+    def test_1(self):
+        b = """x = apply(f, g + h)"""
+        a = """x = f(*g + h)"""
+        self.check(b, a)
+
+    def test_2(self):
+        b = """y = apply(f, g, h)"""
+        a = """y = f(*g, **h)"""
+        self.check(b, a)
+
+    def test_3(self):
+        b = """z = apply(fs[0], g or h, h or g)"""
+        a = """z = fs[0](*g or h, **h or g)"""
+        self.check(b, a)
+
+    def test_4(self):
+        b = """apply(f, (x, y) + t)"""
+        a = """f(*(x, y) + t)"""
+        self.check(b, a)
+
+    def test_5(self):
+        b = """apply(f, args,)"""
+        a = """f(*args)"""
+        self.check(b, a)
+
+    def test_6(self):
+        b = """apply(f, args, kwds,)"""
+        a = """f(*args, **kwds)"""
+        self.check(b, a)
+
+    # Test that complex functions are parenthesized
+
+    def test_complex_1(self):
+        b = """x = apply(f+g, args)"""
+        a = """x = (f+g)(*args)"""
+        self.check(b, a)
+
+    def test_complex_2(self):
+        b = """x = apply(f*g, args)"""
+        a = """x = (f*g)(*args)"""
+        self.check(b, a)
+
+    def test_complex_3(self):
+        b = """x = apply(f**g, args)"""
+        a = """x = (f**g)(*args)"""
+        self.check(b, a)
+
+    # But dotted names etc. not
+
+    def test_dotted_name(self):
+        b = """x = apply(f.g, args)"""
+        a = """x = f.g(*args)"""
+        self.check(b, a)
+
+    def test_subscript(self):
+        b = """x = apply(f[x], args)"""
+        a = """x = f[x](*args)"""
+        self.check(b, a)
+
+    def test_call(self):
+        b = """x = apply(f(), args)"""
+        a = """x = f()(*args)"""
+        self.check(b, a)
+
+    # Extreme case
+    def test_extreme(self):
+        b = """x = apply(a.b.c.d.e.f, args, kwds)"""
+        a = """x = a.b.c.d.e.f(*args, **kwds)"""
+        self.check(b, a)
+
+    # XXX Comments in weird places still get lost
+    def test_weird_comments(self):
+        b = """apply(   # foo
+          f, # bar
+          args)"""
+        a = """f(*args)"""
+        self.check(b, a)
+
+    # These should *not* be touched
+
+    def test_unchanged_1(self):
+        s = """apply()"""
+        self.unchanged(s)
+
+    def test_unchanged_2(self):
+        s = """apply(f)"""
+        self.unchanged(s)
+
+    def test_unchanged_3(self):
+        s = """apply(f,)"""
+        self.unchanged(s)
+
+    def test_unchanged_4(self):
+        s = """apply(f, args, kwds, extras)"""
+        self.unchanged(s)
+
+    def test_unchanged_5(self):
+        s = """apply(f, *args, **kwds)"""
+        self.unchanged(s)
+
+    def test_unchanged_6(self):
+        s = """apply(f, *args)"""
+        self.unchanged(s)
+
+    def test_unchanged_6b(self):
+        s = """apply(f, **kwds)"""
+        self.unchanged(s)
+
+    def test_unchanged_7(self):
+        s = """apply(func=f, args=args, kwds=kwds)"""
+        self.unchanged(s)
+
+    def test_unchanged_8(self):
+        s = """apply(f, args=args, kwds=kwds)"""
+        self.unchanged(s)
+
+    def test_unchanged_9(self):
+        s = """apply(f, args, kwds=kwds)"""
+        self.unchanged(s)
+
+    def test_space_1(self):
+        a = """apply(  f,  args,   kwds)"""
+        b = """f(*args, **kwds)"""
+        self.check(a, b)
+
+    def test_space_2(self):
+        a = """apply(  f  ,args,kwds   )"""
+        b = """f(*args, **kwds)"""
+        self.check(a, b)
+
+class Test_intern(FixerTestCase):
+    fixer = "intern"
+
+    def test_prefix_preservation(self):
+        b = """x =   intern(  a  )"""
+        a = """import sys\nx =   sys.intern(  a  )"""
+        self.check(b, a)
+
+        b = """y = intern("b" # test
+              )"""
+        a = """import sys\ny = sys.intern("b" # test
+              )"""
+        self.check(b, a)
+
+        b = """z = intern(a+b+c.d,   )"""
+        a = """import sys\nz = sys.intern(a+b+c.d,   )"""
+        self.check(b, a)
+
+    def test(self):
+        b = """x = intern(a)"""
+        a = """import sys\nx = sys.intern(a)"""
+        self.check(b, a)
+
+        b = """z = intern(a+b+c.d,)"""
+        a = """import sys\nz = sys.intern(a+b+c.d,)"""
+        self.check(b, a)
+
+        b = """intern("y%s" % 5).replace("y", "")"""
+        a = """import sys\nsys.intern("y%s" % 5).replace("y", "")"""
+        self.check(b, a)
+
+    # These should not be refactored
+
+    def test_unchanged(self):
+        s = """intern(a=1)"""
+        self.unchanged(s)
+
+        s = """intern(f, g)"""
+        self.unchanged(s)
+
+        s = """intern(*h)"""
+        self.unchanged(s)
+
+        s = """intern(**i)"""
+        self.unchanged(s)
+
+        s = """intern()"""
+        self.unchanged(s)
+
+class Test_reduce(FixerTestCase):
+    fixer = "reduce"
+
+    def test_simple_call(self):
+        b = "reduce(a, b, c)"
+        a = "from functools import reduce\nreduce(a, b, c)"
+        self.check(b, a)
+
+    def test_bug_7253(self):
+        # fix_tuple_params was being bad and orphaning nodes in the tree.
+        b = "def x(arg): reduce(sum, [])"
+        a = "from functools import reduce\ndef x(arg): reduce(sum, [])"
+        self.check(b, a)
+
+    def test_call_with_lambda(self):
+        b = "reduce(lambda x, y: x + y, seq)"
+        a = "from functools import reduce\nreduce(lambda x, y: x + y, seq)"
+        self.check(b, a)
+
+    def test_unchanged(self):
+        s = "reduce(a)"
+        self.unchanged(s)
+
+        s = "reduce(a, b=42)"
+        self.unchanged(s)
+
+        s = "reduce(a, b, c, d)"
+        self.unchanged(s)
+
+        s = "reduce(**c)"
+        self.unchanged(s)
+
+        s = "reduce()"
+        self.unchanged(s)
+
+class Test_print(FixerTestCase):
+    fixer = "print"
+
+    def test_prefix_preservation(self):
+        b = """print 1,   1+1,   1+1+1"""
+        a = """print(1,   1+1,   1+1+1)"""
+        self.check(b, a)
+
+    def test_idempotency(self):
+        s = """print()"""
+        self.unchanged(s)
+
+        s = """print('')"""
+        self.unchanged(s)
+
+    def test_idempotency_print_as_function(self):
+        self.refactor.driver.grammar = pygram.python_grammar_no_print_statement
+        s = """print(1, 1+1, 1+1+1)"""
+        self.unchanged(s)
+
+        s = """print()"""
+        self.unchanged(s)
+
+        s = """print('')"""
+        self.unchanged(s)
+
+    def test_1(self):
+        b = """print 1, 1+1, 1+1+1"""
+        a = """print(1, 1+1, 1+1+1)"""
+        self.check(b, a)
+
+    def test_2(self):
+        b = """print 1, 2"""
+        a = """print(1, 2)"""
+        self.check(b, a)
+
+    def test_3(self):
+        b = """print"""
+        a = """print()"""
+        self.check(b, a)
+
+    def test_4(self):
+        # from bug 3000
+        b = """print whatever; print"""
+        a = """print(whatever); print()"""
+        self.check(b, a)
+
+    def test_5(self):
+        b = """print; print whatever;"""
+        a = """print(); print(whatever);"""
+        self.check(b, a)
+
+    def test_tuple(self):
+        b = """print (a, b, c)"""
+        a = """print((a, b, c))"""
+        self.check(b, a)
+
+    # trailing commas
+
+    def test_trailing_comma_1(self):
+        b = """print 1, 2, 3,"""
+        a = """print(1, 2, 3, end=' ')"""
+        self.check(b, a)
+
+    def test_trailing_comma_2(self):
+        b = """print 1, 2,"""
+        a = """print(1, 2, end=' ')"""
+        self.check(b, a)
+
+    def test_trailing_comma_3(self):
+        b = """print 1,"""
+        a = """print(1, end=' ')"""
+        self.check(b, a)
+
+    # >> stuff
+
+    def test_vargs_without_trailing_comma(self):
+        b = """print >>sys.stderr, 1, 2, 3"""
+        a = """print(1, 2, 3, file=sys.stderr)"""
+        self.check(b, a)
+
+    def test_with_trailing_comma(self):
+        b = """print >>sys.stderr, 1, 2,"""
+        a = """print(1, 2, end=' ', file=sys.stderr)"""
+        self.check(b, a)
+
+    def test_no_trailing_comma(self):
+        b = """print >>sys.stderr, 1+1"""
+        a = """print(1+1, file=sys.stderr)"""
+        self.check(b, a)
+
+    def test_spaces_before_file(self):
+        b = """print >>  sys.stderr"""
+        a = """print(file=sys.stderr)"""
+        self.check(b, a)
+
+    def test_with_future_print_function(self):
+        s = "from __future__ import print_function\n" \
+            "print('Hai!', end=' ')"
+        self.unchanged(s)
+
+        b = "print 'Hello, world!'"
+        a = "print('Hello, world!')"
+        self.check(b, a)
+
+
+class Test_exec(FixerTestCase):
+    fixer = "exec"
+
+    def test_prefix_preservation(self):
+        b = """  exec code in ns1,   ns2"""
+        a = """  exec(code, ns1,   ns2)"""
+        self.check(b, a)
+
+    def test_basic(self):
+        b = """exec code"""
+        a = """exec(code)"""
+        self.check(b, a)
+
+    def test_with_globals(self):
+        b = """exec code in ns"""
+        a = """exec(code, ns)"""
+        self.check(b, a)
+
+    def test_with_globals_locals(self):
+        b = """exec code in ns1, ns2"""
+        a = """exec(code, ns1, ns2)"""
+        self.check(b, a)
+
+    def test_complex_1(self):
+        b = """exec (a.b()) in ns"""
+        a = """exec((a.b()), ns)"""
+        self.check(b, a)
+
+    def test_complex_2(self):
+        b = """exec a.b() + c in ns"""
+        a = """exec(a.b() + c, ns)"""
+        self.check(b, a)
+
+    # These should not be touched
+
+    def test_unchanged_1(self):
+        s = """exec(code)"""
+        self.unchanged(s)
+
+    def test_unchanged_2(self):
+        s = """exec (code)"""
+        self.unchanged(s)
+
+    def test_unchanged_3(self):
+        s = """exec(code, ns)"""
+        self.unchanged(s)
+
+    def test_unchanged_4(self):
+        s = """exec(code, ns1, ns2)"""
+        self.unchanged(s)
+
+class Test_repr(FixerTestCase):
+    fixer = "repr"
+
+    def test_prefix_preservation(self):
+        b = """x =   `1 + 2`"""
+        a = """x =   repr(1 + 2)"""
+        self.check(b, a)
+
+    def test_simple_1(self):
+        b = """x = `1 + 2`"""
+        a = """x = repr(1 + 2)"""
+        self.check(b, a)
+
+    def test_simple_2(self):
+        b = """y = `x`"""
+        a = """y = repr(x)"""
+        self.check(b, a)
+
+    def test_complex(self):
+        b = """z = `y`.__repr__()"""
+        a = """z = repr(y).__repr__()"""
+        self.check(b, a)
+
+    def test_tuple(self):
+        b = """x = `1, 2, 3`"""
+        a = """x = repr((1, 2, 3))"""
+        self.check(b, a)
+
+    def test_nested(self):
+        b = """x = `1 + `2``"""
+        a = """x = repr(1 + repr(2))"""
+        self.check(b, a)
+
+    def test_nested_tuples(self):
+        b = """x = `1, 2 + `3, 4``"""
+        a = """x = repr((1, 2 + repr((3, 4))))"""
+        self.check(b, a)
+
+class Test_except(FixerTestCase):
+    fixer = "except"
+
+    def test_prefix_preservation(self):
+        b = """
+            try:
+                pass
+            except (RuntimeError, ImportError),    e:
+                pass"""
+        a = """
+            try:
+                pass
+            except (RuntimeError, ImportError) as    e:
+                pass"""
+        self.check(b, a)
+
+    def test_simple(self):
+        b = """
+            try:
+                pass
+            except Foo, e:
+                pass"""
+        a = """
+            try:
+                pass
+            except Foo as e:
+                pass"""
+        self.check(b, a)
+
+    def test_simple_no_space_before_target(self):
+        b = """
+            try:
+                pass
+            except Foo,e:
+                pass"""
+        a = """
+            try:
+                pass
+            except Foo as e:
+                pass"""
+        self.check(b, a)
+
+    def test_tuple_unpack(self):
+        b = """
+            def foo():
+                try:
+                    pass
+                except Exception, (f, e):
+                    pass
+                except ImportError, e:
+                    pass"""
+
+        a = """
+            def foo():
+                try:
+                    pass
+                except Exception as xxx_todo_changeme:
+                    (f, e) = xxx_todo_changeme.args
+                    pass
+                except ImportError as e:
+                    pass"""
+        self.check(b, a)
+
+    def test_multi_class(self):
+        b = """
+            try:
+                pass
+            except (RuntimeError, ImportError), e:
+                pass"""
+
+        a = """
+            try:
+                pass
+            except (RuntimeError, ImportError) as e:
+                pass"""
+        self.check(b, a)
+
+    def test_list_unpack(self):
+        b = """
+            try:
+                pass
+            except Exception, [a, b]:
+                pass"""
+
+        a = """
+            try:
+                pass
+            except Exception as xxx_todo_changeme:
+                [a, b] = xxx_todo_changeme.args
+                pass"""
+        self.check(b, a)
+
+    def test_weird_target_1(self):
+        b = """
+            try:
+                pass
+            except Exception, d[5]:
+                pass"""
+
+        a = """
+            try:
+                pass
+            except Exception as xxx_todo_changeme:
+                d[5] = xxx_todo_changeme
+                pass"""
+        self.check(b, a)
+
+    def test_weird_target_2(self):
+        b = """
+            try:
+                pass
+            except Exception, a.foo:
+                pass"""
+
+        a = """
+            try:
+                pass
+            except Exception as xxx_todo_changeme:
+                a.foo = xxx_todo_changeme
+                pass"""
+        self.check(b, a)
+
+    def test_weird_target_3(self):
+        b = """
+            try:
+                pass
+            except Exception, a().foo:
+                pass"""
+
+        a = """
+            try:
+                pass
+            except Exception as xxx_todo_changeme:
+                a().foo = xxx_todo_changeme
+                pass"""
+        self.check(b, a)
+
+    def test_bare_except(self):
+        b = """
+            try:
+                pass
+            except Exception, a:
+                pass
+            except:
+                pass"""
+
+        a = """
+            try:
+                pass
+            except Exception as a:
+                pass
+            except:
+                pass"""
+        self.check(b, a)
+
+    def test_bare_except_and_else_finally(self):
+        b = """
+            try:
+                pass
+            except Exception, a:
+                pass
+            except:
+                pass
+            else:
+                pass
+            finally:
+                pass"""
+
+        a = """
+            try:
+                pass
+            except Exception as a:
+                pass
+            except:
+                pass
+            else:
+                pass
+            finally:
+                pass"""
+        self.check(b, a)
+
+    def test_multi_fixed_excepts_before_bare_except(self):
+        b = """
+            try:
+                pass
+            except TypeError, b:
+                pass
+            except Exception, a:
+                pass
+            except:
+                pass"""
+
+        a = """
+            try:
+                pass
+            except TypeError as b:
+                pass
+            except Exception as a:
+                pass
+            except:
+                pass"""
+        self.check(b, a)
+
+    def test_one_line_suites(self):
+        b = """
+            try: raise TypeError
+            except TypeError, e:
+                pass
+            """
+        a = """
+            try: raise TypeError
+            except TypeError as e:
+                pass
+            """
+        self.check(b, a)
+        b = """
+            try:
+                raise TypeError
+            except TypeError, e: pass
+            """
+        a = """
+            try:
+                raise TypeError
+            except TypeError as e: pass
+            """
+        self.check(b, a)
+        b = """
+            try: raise TypeError
+            except TypeError, e: pass
+            """
+        a = """
+            try: raise TypeError
+            except TypeError as e: pass
+            """
+        self.check(b, a)
+        b = """
+            try: raise TypeError
+            except TypeError, e: pass
+            else: function()
+            finally: done()
+            """
+        a = """
+            try: raise TypeError
+            except TypeError as e: pass
+            else: function()
+            finally: done()
+            """
+        self.check(b, a)
+
+    # These should not be touched:
+
+    def test_unchanged_1(self):
+        s = """
+            try:
+                pass
+            except:
+                pass"""
+        self.unchanged(s)
+
+    def test_unchanged_2(self):
+        s = """
+            try:
+                pass
+            except Exception:
+                pass"""
+        self.unchanged(s)
+
+    def test_unchanged_3(self):
+        s = """
+            try:
+                pass
+            except (Exception, SystemExit):
+                pass"""
+        self.unchanged(s)
+
+class Test_raise(FixerTestCase):
+    fixer = "raise"
+
+    def test_basic(self):
+        b = """raise Exception, 5"""
+        a = """raise Exception(5)"""
+        self.check(b, a)
+
+    def test_prefix_preservation(self):
+        b = """raise Exception,5"""
+        a = """raise Exception(5)"""
+        self.check(b, a)
+
+        b = """raise   Exception,    5"""
+        a = """raise   Exception(5)"""
+        self.check(b, a)
+
+    def test_with_comments(self):
+        b = """raise Exception, 5 # foo"""
+        a = """raise Exception(5) # foo"""
+        self.check(b, a)
+
+        b = """raise E, (5, 6) % (a, b) # foo"""
+        a = """raise E((5, 6) % (a, b)) # foo"""
+        self.check(b, a)
+
+        b = """def foo():
+                    raise Exception, 5, 6 # foo"""
+        a = """def foo():
+                    raise Exception(5).with_traceback(6) # foo"""
+        self.check(b, a)
+
+    def test_None_value(self):
+        b = """raise Exception(5), None, tb"""
+        a = """raise Exception(5).with_traceback(tb)"""
+        self.check(b, a)
+
+    def test_tuple_value(self):
+        b = """raise Exception, (5, 6, 7)"""
+        a = """raise Exception(5, 6, 7)"""
+        self.check(b, a)
+
+    def test_tuple_detection(self):
+        b = """raise E, (5, 6) % (a, b)"""
+        a = """raise E((5, 6) % (a, b))"""
+        self.check(b, a)
+
+    def test_tuple_exc_1(self):
+        b = """raise (((E1, E2), E3), E4), V"""
+        a = """raise E1(V)"""
+        self.check(b, a)
+
+    def test_tuple_exc_2(self):
+        b = """raise (E1, (E2, E3), E4), V"""
+        a = """raise E1(V)"""
+        self.check(b, a)
+
+    # These should produce a warning
+
+    def test_string_exc(self):
+        s = """raise 'foo'"""
+        self.warns_unchanged(s, "Python 3 does not support string exceptions")
+
+    def test_string_exc_val(self):
+        s = """raise "foo", 5"""
+        self.warns_unchanged(s, "Python 3 does not support string exceptions")
+
+    def test_string_exc_val_tb(self):
+        s = """raise "foo", 5, 6"""
+        self.warns_unchanged(s, "Python 3 does not support string exceptions")
+
+    # These should result in traceback-assignment
+
+    def test_tb_1(self):
+        b = """def foo():
+                    raise Exception, 5, 6"""
+        a = """def foo():
+                    raise Exception(5).with_traceback(6)"""
+        self.check(b, a)
+
+    def test_tb_2(self):
+        b = """def foo():
+                    a = 5
+                    raise Exception, 5, 6
+                    b = 6"""
+        a = """def foo():
+                    a = 5
+                    raise Exception(5).with_traceback(6)
+                    b = 6"""
+        self.check(b, a)
+
+    def test_tb_3(self):
+        b = """def foo():
+                    raise Exception,5,6"""
+        a = """def foo():
+                    raise Exception(5).with_traceback(6)"""
+        self.check(b, a)
+
+    def test_tb_4(self):
+        b = """def foo():
+                    a = 5
+                    raise Exception,5,6
+                    b = 6"""
+        a = """def foo():
+                    a = 5
+                    raise Exception(5).with_traceback(6)
+                    b = 6"""
+        self.check(b, a)
+
+    def test_tb_5(self):
+        b = """def foo():
+                    raise Exception, (5, 6, 7), 6"""
+        a = """def foo():
+                    raise Exception(5, 6, 7).with_traceback(6)"""
+        self.check(b, a)
+
+    def test_tb_6(self):
+        b = """def foo():
+                    a = 5
+                    raise Exception, (5, 6, 7), 6
+                    b = 6"""
+        a = """def foo():
+                    a = 5
+                    raise Exception(5, 6, 7).with_traceback(6)
+                    b = 6"""
+        self.check(b, a)
+
+class Test_throw(FixerTestCase):
+    fixer = "throw"
+
+    def test_1(self):
+        b = """g.throw(Exception, 5)"""
+        a = """g.throw(Exception(5))"""
+        self.check(b, a)
+
+    def test_2(self):
+        b = """g.throw(Exception,5)"""
+        a = """g.throw(Exception(5))"""
+        self.check(b, a)
+
+    def test_3(self):
+        b = """g.throw(Exception, (5, 6, 7))"""
+        a = """g.throw(Exception(5, 6, 7))"""
+        self.check(b, a)
+
+    def test_4(self):
+        b = """5 + g.throw(Exception, 5)"""
+        a = """5 + g.throw(Exception(5))"""
+        self.check(b, a)
+
+    # These should produce warnings
+
+    def test_warn_1(self):
+        s = """g.throw("foo")"""
+        self.warns_unchanged(s, "Python 3 does not support string exceptions")
+
+    def test_warn_2(self):
+        s = """g.throw("foo", 5)"""
+        self.warns_unchanged(s, "Python 3 does not support string exceptions")
+
+    def test_warn_3(self):
+        s = """g.throw("foo", 5, 6)"""
+        self.warns_unchanged(s, "Python 3 does not support string exceptions")
+
+    # These should not be touched
+
+    def test_untouched_1(self):
+        s = """g.throw(Exception)"""
+        self.unchanged(s)
+
+    def test_untouched_2(self):
+        s = """g.throw(Exception(5, 6))"""
+        self.unchanged(s)
+
+    def test_untouched_3(self):
+        s = """5 + g.throw(Exception(5, 6))"""
+        self.unchanged(s)
+
+    # These should result in traceback-assignment
+
+    def test_tb_1(self):
+        b = """def foo():
+                    g.throw(Exception, 5, 6)"""
+        a = """def foo():
+                    g.throw(Exception(5).with_traceback(6))"""
+        self.check(b, a)
+
+    def test_tb_2(self):
+        b = """def foo():
+                    a = 5
+                    g.throw(Exception, 5, 6)
+                    b = 6"""
+        a = """def foo():
+                    a = 5
+                    g.throw(Exception(5).with_traceback(6))
+                    b = 6"""
+        self.check(b, a)
+
+    def test_tb_3(self):
+        b = """def foo():
+                    g.throw(Exception,5,6)"""
+        a = """def foo():
+                    g.throw(Exception(5).with_traceback(6))"""
+        self.check(b, a)
+
+    def test_tb_4(self):
+        b = """def foo():
+                    a = 5
+                    g.throw(Exception,5,6)
+                    b = 6"""
+        a = """def foo():
+                    a = 5
+                    g.throw(Exception(5).with_traceback(6))
+                    b = 6"""
+        self.check(b, a)
+
+    def test_tb_5(self):
+        b = """def foo():
+                    g.throw(Exception, (5, 6, 7), 6)"""
+        a = """def foo():
+                    g.throw(Exception(5, 6, 7).with_traceback(6))"""
+        self.check(b, a)
+
+    def test_tb_6(self):
+        b = """def foo():
+                    a = 5
+                    g.throw(Exception, (5, 6, 7), 6)
+                    b = 6"""
+        a = """def foo():
+                    a = 5
+                    g.throw(Exception(5, 6, 7).with_traceback(6))
+                    b = 6"""
+        self.check(b, a)
+
+    def test_tb_7(self):
+        b = """def foo():
+                    a + g.throw(Exception, 5, 6)"""
+        a = """def foo():
+                    a + g.throw(Exception(5).with_traceback(6))"""
+        self.check(b, a)
+
+    def test_tb_8(self):
+        b = """def foo():
+                    a = 5
+                    a + g.throw(Exception, 5, 6)
+                    b = 6"""
+        a = """def foo():
+                    a = 5
+                    a + g.throw(Exception(5).with_traceback(6))
+                    b = 6"""
+        self.check(b, a)
+
+class Test_long(FixerTestCase):
+    fixer = "long"
+
+    def test_1(self):
+        b = """x = long(x)"""
+        a = """x = int(x)"""
+        self.check(b, a)
+
+    def test_2(self):
+        b = """y = isinstance(x, long)"""
+        a = """y = isinstance(x, int)"""
+        self.check(b, a)
+
+    def test_3(self):
+        b = """z = type(x) in (int, long)"""
+        a = """z = type(x) in (int, int)"""
+        self.check(b, a)
+
+    def test_unchanged(self):
+        s = """long = True"""
+        self.unchanged(s)
+
+        s = """s.long = True"""
+        self.unchanged(s)
+
+        s = """def long(): pass"""
+        self.unchanged(s)
+
+        s = """class long(): pass"""
+        self.unchanged(s)
+
+        s = """def f(long): pass"""
+        self.unchanged(s)
+
+        s = """def f(g, long): pass"""
+        self.unchanged(s)
+
+        s = """def f(x, long=True): pass"""
+        self.unchanged(s)
+
+    def test_prefix_preservation(self):
+        b = """x =   long(  x  )"""
+        a = """x =   int(  x  )"""
+        self.check(b, a)
+
+
+class Test_execfile(FixerTestCase):
+    fixer = "execfile"
+
+    def test_conversion(self):
+        b = """execfile("fn")"""
+        a = """exec(compile(open("fn").read(), "fn", 'exec'))"""
+        self.check(b, a)
+
+        b = """execfile("fn", glob)"""
+        a = """exec(compile(open("fn").read(), "fn", 'exec'), glob)"""
+        self.check(b, a)
+
+        b = """execfile("fn", glob, loc)"""
+        a = """exec(compile(open("fn").read(), "fn", 'exec'), glob, loc)"""
+        self.check(b, a)
+
+        b = """execfile("fn", globals=glob)"""
+        a = """exec(compile(open("fn").read(), "fn", 'exec'), globals=glob)"""
+        self.check(b, a)
+
+        b = """execfile("fn", locals=loc)"""
+        a = """exec(compile(open("fn").read(), "fn", 'exec'), locals=loc)"""
+        self.check(b, a)
+
+        b = """execfile("fn", globals=glob, locals=loc)"""
+        a = """exec(compile(open("fn").read(), "fn", 'exec'), globals=glob, locals=loc)"""
+        self.check(b, a)
+
+    def test_spacing(self):
+        b = """execfile( "fn" )"""
+        a = """exec(compile(open( "fn" ).read(), "fn", 'exec'))"""
+        self.check(b, a)
+
+        b = """execfile("fn",  globals = glob)"""
+        a = """exec(compile(open("fn").read(), "fn", 'exec'),  globals = glob)"""
+        self.check(b, a)
+
+
+class Test_isinstance(FixerTestCase):
+    fixer = "isinstance"
+
+    def test_remove_multiple_items(self):
+        b = """isinstance(x, (int, int, int))"""
+        a = """isinstance(x, int)"""
+        self.check(b, a)
+
+        b = """isinstance(x, (int, float, int, int, float))"""
+        a = """isinstance(x, (int, float))"""
+        self.check(b, a)
+
+        b = """isinstance(x, (int, float, int, int, float, str))"""
+        a = """isinstance(x, (int, float, str))"""
+        self.check(b, a)
+
+        b = """isinstance(foo() + bar(), (x(), y(), x(), int, int))"""
+        a = """isinstance(foo() + bar(), (x(), y(), x(), int))"""
+        self.check(b, a)
+
+    def test_prefix_preservation(self):
+        b = """if    isinstance(  foo(), (  bar, bar, baz )) : pass"""
+        a = """if    isinstance(  foo(), (  bar, baz )) : pass"""
+        self.check(b, a)
+
+    def test_unchanged(self):
+        self.unchanged("isinstance(x, (str, int))")
+
+class Test_dict(FixerTestCase):
+    fixer = "dict"
+
+    def test_prefix_preservation(self):
+        b = "if   d. keys  (  )  : pass"
+        a = "if   list(d. keys  (  ))  : pass"
+        self.check(b, a)
+
+        b = "if   d. items  (  )  : pass"
+        a = "if   list(d. items  (  ))  : pass"
+        self.check(b, a)
+
+        b = "if   d. iterkeys  ( )  : pass"
+        a = "if   iter(d. keys  ( ))  : pass"
+        self.check(b, a)
+
+        b = "[i for i in    d.  iterkeys(  )  ]"
+        a = "[i for i in    d.  keys(  )  ]"
+        self.check(b, a)
+
+        b = "if   d. viewkeys  ( )  : pass"
+        a = "if   d. keys  ( )  : pass"
+        self.check(b, a)
+
+        b = "[i for i in    d.  viewkeys(  )  ]"
+        a = "[i for i in    d.  keys(  )  ]"
+        self.check(b, a)
+
+    def test_trailing_comment(self):
+        b = "d.keys() # foo"
+        a = "list(d.keys()) # foo"
+        self.check(b, a)
+
+        b = "d.items()  # foo"
+        a = "list(d.items())  # foo"
+        self.check(b, a)
+
+        b = "d.iterkeys()  # foo"
+        a = "iter(d.keys())  # foo"
+        self.check(b, a)
+
+        b = """[i for i in d.iterkeys() # foo
+               ]"""
+        a = """[i for i in d.keys() # foo
+               ]"""
+        self.check(b, a)
+
+        b = """[i for i in d.iterkeys() # foo
+               ]"""
+        a = """[i for i in d.keys() # foo
+               ]"""
+        self.check(b, a)
+
+        b = "d.viewitems()  # foo"
+        a = "d.items()  # foo"
+        self.check(b, a)
+
+    def test_unchanged(self):
+        for wrapper in fixer_util.consuming_calls:
+            s = "s = %s(d.keys())" % wrapper
+            self.unchanged(s)
+
+            s = "s = %s(d.values())" % wrapper
+            self.unchanged(s)
+
+            s = "s = %s(d.items())" % wrapper
+            self.unchanged(s)
+
+    def test_01(self):
+        b = "d.keys()"
+        a = "list(d.keys())"
+        self.check(b, a)
+
+        b = "a[0].foo().keys()"
+        a = "list(a[0].foo().keys())"
+        self.check(b, a)
+
+    def test_02(self):
+        b = "d.items()"
+        a = "list(d.items())"
+        self.check(b, a)
+
+    def test_03(self):
+        b = "d.values()"
+        a = "list(d.values())"
+        self.check(b, a)
+
+    def test_04(self):
+        b = "d.iterkeys()"
+        a = "iter(d.keys())"
+        self.check(b, a)
+
+    def test_05(self):
+        b = "d.iteritems()"
+        a = "iter(d.items())"
+        self.check(b, a)
+
+    def test_06(self):
+        b = "d.itervalues()"
+        a = "iter(d.values())"
+        self.check(b, a)
+
+    def test_07(self):
+        s = "list(d.keys())"
+        self.unchanged(s)
+
+    def test_08(self):
+        s = "sorted(d.keys())"
+        self.unchanged(s)
+
+    def test_09(self):
+        b = "iter(d.keys())"
+        a = "iter(list(d.keys()))"
+        self.check(b, a)
+
+    def test_10(self):
+        b = "foo(d.keys())"
+        a = "foo(list(d.keys()))"
+        self.check(b, a)
+
+    def test_11(self):
+        b = "for i in d.keys(): print i"
+        a = "for i in list(d.keys()): print i"
+        self.check(b, a)
+
+    def test_12(self):
+        b = "for i in d.iterkeys(): print i"
+        a = "for i in d.keys(): print i"
+        self.check(b, a)
+
+    def test_13(self):
+        b = "[i for i in d.keys()]"
+        a = "[i for i in list(d.keys())]"
+        self.check(b, a)
+
+    def test_14(self):
+        b = "[i for i in d.iterkeys()]"
+        a = "[i for i in d.keys()]"
+        self.check(b, a)
+
+    def test_15(self):
+        b = "(i for i in d.keys())"
+        a = "(i for i in list(d.keys()))"
+        self.check(b, a)
+
+    def test_16(self):
+        b = "(i for i in d.iterkeys())"
+        a = "(i for i in d.keys())"
+        self.check(b, a)
+
+    def test_17(self):
+        b = "iter(d.iterkeys())"
+        a = "iter(d.keys())"
+        self.check(b, a)
+
+    def test_18(self):
+        b = "list(d.iterkeys())"
+        a = "list(d.keys())"
+        self.check(b, a)
+
+    def test_19(self):
+        b = "sorted(d.iterkeys())"
+        a = "sorted(d.keys())"
+        self.check(b, a)
+
+    def test_20(self):
+        b = "foo(d.iterkeys())"
+        a = "foo(iter(d.keys()))"
+        self.check(b, a)
+
+    def test_21(self):
+        b = "print h.iterkeys().next()"
+        a = "print iter(h.keys()).next()"
+        self.check(b, a)
+
+    def test_22(self):
+        b = "print h.keys()[0]"
+        a = "print list(h.keys())[0]"
+        self.check(b, a)
+
+    def test_23(self):
+        b = "print list(h.iterkeys().next())"
+        a = "print list(iter(h.keys()).next())"
+        self.check(b, a)
+
+    def test_24(self):
+        b = "for x in h.keys()[0]: print x"
+        a = "for x in list(h.keys())[0]: print x"
+        self.check(b, a)
+
+    def test_25(self):
+        b = "d.viewkeys()"
+        a = "d.keys()"
+        self.check(b, a)
+
+    def test_26(self):
+        b = "d.viewitems()"
+        a = "d.items()"
+        self.check(b, a)
+
+    def test_27(self):
+        b = "d.viewvalues()"
+        a = "d.values()"
+        self.check(b, a)
+
+    def test_28(self):
+        b = "[i for i in d.viewkeys()]"
+        a = "[i for i in d.keys()]"
+        self.check(b, a)
+
+    def test_29(self):
+        b = "(i for i in d.viewkeys())"
+        a = "(i for i in d.keys())"
+        self.check(b, a)
+
+    def test_30(self):
+        b = "iter(d.viewkeys())"
+        a = "iter(d.keys())"
+        self.check(b, a)
+
+    def test_31(self):
+        b = "list(d.viewkeys())"
+        a = "list(d.keys())"
+        self.check(b, a)
+
+    def test_32(self):
+        b = "sorted(d.viewkeys())"
+        a = "sorted(d.keys())"
+        self.check(b, a)
+
+class Test_xrange(FixerTestCase):
+    fixer = "xrange"
+
+    def test_prefix_preservation(self):
+        b = """x =    xrange(  10  )"""
+        a = """x =    range(  10  )"""
+        self.check(b, a)
+
+        b = """x = xrange(  1  ,  10   )"""
+        a = """x = range(  1  ,  10   )"""
+        self.check(b, a)
+
+        b = """x = xrange(  0  ,  10 ,  2 )"""
+        a = """x = range(  0  ,  10 ,  2 )"""
+        self.check(b, a)
+
+    def test_single_arg(self):
+        b = """x = xrange(10)"""
+        a = """x = range(10)"""
+        self.check(b, a)
+
+    def test_two_args(self):
+        b = """x = xrange(1, 10)"""
+        a = """x = range(1, 10)"""
+        self.check(b, a)
+
+    def test_three_args(self):
+        b = """x = xrange(0, 10, 2)"""
+        a = """x = range(0, 10, 2)"""
+        self.check(b, a)
+
+    def test_wrap_in_list(self):
+        b = """x = range(10, 3, 9)"""
+        a = """x = list(range(10, 3, 9))"""
+        self.check(b, a)
+
+        b = """x = foo(range(10, 3, 9))"""
+        a = """x = foo(list(range(10, 3, 9)))"""
+        self.check(b, a)
+
+        b = """x = range(10, 3, 9) + [4]"""
+        a = """x = list(range(10, 3, 9)) + [4]"""
+        self.check(b, a)
+
+        b = """x = range(10)[::-1]"""
+        a = """x = list(range(10))[::-1]"""
+        self.check(b, a)
+
+        b = """x = range(10)  [3]"""
+        a = """x = list(range(10))  [3]"""
+        self.check(b, a)
+
+    def test_xrange_in_for(self):
+        b = """for i in xrange(10):\n    j=i"""
+        a = """for i in range(10):\n    j=i"""
+        self.check(b, a)
+
+        b = """[i for i in xrange(10)]"""
+        a = """[i for i in range(10)]"""
+        self.check(b, a)
+
+    def test_range_in_for(self):
+        self.unchanged("for i in range(10): pass")
+        self.unchanged("[i for i in range(10)]")
+
+    def test_in_contains_test(self):
+        self.unchanged("x in range(10, 3, 9)")
+
+    def test_in_consuming_context(self):
+        for call in fixer_util.consuming_calls:
+            self.unchanged("a = %s(range(10))" % call)
+
+class Test_xrange_with_reduce(FixerTestCase):
+
+    def setUp(self):
+        super(Test_xrange_with_reduce, self).setUp(["xrange", "reduce"])
+
+    def test_double_transform(self):
+        b = """reduce(x, xrange(5))"""
+        a = """from functools import reduce
+reduce(x, range(5))"""
+        self.check(b, a)
+
+class Test_raw_input(FixerTestCase):
+    fixer = "raw_input"
+
+    def test_prefix_preservation(self):
+        b = """x =    raw_input(   )"""
+        a = """x =    input(   )"""
+        self.check(b, a)
+
+        b = """x = raw_input(   ''   )"""
+        a = """x = input(   ''   )"""
+        self.check(b, a)
+
+    def test_1(self):
+        b = """x = raw_input()"""
+        a = """x = input()"""
+        self.check(b, a)
+
+    def test_2(self):
+        b = """x = raw_input('')"""
+        a = """x = input('')"""
+        self.check(b, a)
+
+    def test_3(self):
+        b = """x = raw_input('prompt')"""
+        a = """x = input('prompt')"""
+        self.check(b, a)
+
+    def test_4(self):
+        b = """x = raw_input(foo(a) + 6)"""
+        a = """x = input(foo(a) + 6)"""
+        self.check(b, a)
+
+    def test_5(self):
+        b = """x = raw_input(invite).split()"""
+        a = """x = input(invite).split()"""
+        self.check(b, a)
+
+    def test_6(self):
+        b = """x = raw_input(invite) . split ()"""
+        a = """x = input(invite) . split ()"""
+        self.check(b, a)
+
+    def test_8(self):
+        b = "x = int(raw_input())"
+        a = "x = int(input())"
+        self.check(b, a)
+
+class Test_funcattrs(FixerTestCase):
+    fixer = "funcattrs"
+
+    attrs = ["closure", "doc", "name", "defaults", "code", "globals", "dict"]
+
+    def test(self):
+        for attr in self.attrs:
+            b = "a.func_%s" % attr
+            a = "a.__%s__" % attr
+            self.check(b, a)
+
+            b = "self.foo.func_%s.foo_bar" % attr
+            a = "self.foo.__%s__.foo_bar" % attr
+            self.check(b, a)
+
+    def test_unchanged(self):
+        for attr in self.attrs:
+            s = "foo(func_%s + 5)" % attr
+            self.unchanged(s)
+
+            s = "f(foo.__%s__)" % attr
+            self.unchanged(s)
+
+            s = "f(foo.__%s__.foo)" % attr
+            self.unchanged(s)
+
+class Test_xreadlines(FixerTestCase):
+    fixer = "xreadlines"
+
+    def test_call(self):
+        b = "for x in f.xreadlines(): pass"
+        a = "for x in f: pass"
+        self.check(b, a)
+
+        b = "for x in foo().xreadlines(): pass"
+        a = "for x in foo(): pass"
+        self.check(b, a)
+
+        b = "for x in (5 + foo()).xreadlines(): pass"
+        a = "for x in (5 + foo()): pass"
+        self.check(b, a)
+
+    def test_attr_ref(self):
+        b = "foo(f.xreadlines + 5)"
+        a = "foo(f.__iter__ + 5)"
+        self.check(b, a)
+
+        b = "foo(f().xreadlines + 5)"
+        a = "foo(f().__iter__ + 5)"
+        self.check(b, a)
+
+        b = "foo((5 + f()).xreadlines + 5)"
+        a = "foo((5 + f()).__iter__ + 5)"
+        self.check(b, a)
+
+    def test_unchanged(self):
+        s = "for x in f.xreadlines(5): pass"
+        self.unchanged(s)
+
+        s = "for x in f.xreadlines(k=5): pass"
+        self.unchanged(s)
+
+        s = "for x in f.xreadlines(*k, **v): pass"
+        self.unchanged(s)
+
+        s = "foo(xreadlines)"
+        self.unchanged(s)
+
+
+class ImportsFixerTests:
+
+    def test_import_module(self):
+        for old, new in self.modules.items():
+            b = "import %s" % old
+            a = "import %s" % new
+            self.check(b, a)
+
+            b = "import foo, %s, bar" % old
+            a = "import foo, %s, bar" % new
+            self.check(b, a)
+
+    def test_import_from(self):
+        for old, new in self.modules.items():
+            b = "from %s import foo" % old
+            a = "from %s import foo" % new
+            self.check(b, a)
+
+            b = "from %s import foo, bar" % old
+            a = "from %s import foo, bar" % new
+            self.check(b, a)
+
+            b = "from %s import (yes, no)" % old
+            a = "from %s import (yes, no)" % new
+            self.check(b, a)
+
+    def test_import_module_as(self):
+        for old, new in self.modules.items():
+            b = "import %s as foo_bar" % old
+            a = "import %s as foo_bar" % new
+            self.check(b, a)
+
+            b = "import %s as foo_bar" % old
+            a = "import %s as foo_bar" % new
+            self.check(b, a)
+
+    def test_import_from_as(self):
+        for old, new in self.modules.items():
+            b = "from %s import foo as bar" % old
+            a = "from %s import foo as bar" % new
+            self.check(b, a)
+
+    def test_star(self):
+        for old, new in self.modules.items():
+            b = "from %s import *" % old
+            a = "from %s import *" % new
+            self.check(b, a)
+
+    def test_import_module_usage(self):
+        for old, new in self.modules.items():
+            b = """
+                import %s
+                foo(%s.bar)
+                """ % (old, old)
+            a = """
+                import %s
+                foo(%s.bar)
+                """ % (new, new)
+            self.check(b, a)
+
+            b = """
+                from %s import x
+                %s = 23
+                """ % (old, old)
+            a = """
+                from %s import x
+                %s = 23
+                """ % (new, old)
+            self.check(b, a)
+
+            s = """
+                def f():
+                    %s.method()
+                """ % (old,)
+            self.unchanged(s)
+
+            # test nested usage
+            b = """
+                import %s
+                %s.bar(%s.foo)
+                """ % (old, old, old)
+            a = """
+                import %s
+                %s.bar(%s.foo)
+                """ % (new, new, new)
+            self.check(b, a)
+
+            b = """
+                import %s
+                x.%s
+                """ % (old, old)
+            a = """
+                import %s
+                x.%s
+                """ % (new, old)
+            self.check(b, a)
+
+
+class Test_imports(FixerTestCase, ImportsFixerTests):
+    fixer = "imports"
+    from ..fixes.fix_imports import MAPPING as modules
+
+    def test_multiple_imports(self):
+        b = """import urlparse, cStringIO"""
+        a = """import urllib.parse, io"""
+        self.check(b, a)
+
+    def test_multiple_imports_as(self):
+        b = """
+            import copy_reg as bar, HTMLParser as foo, urlparse
+            s = urlparse.spam(bar.foo())
+            """
+        a = """
+            import copyreg as bar, html.parser as foo, urllib.parse
+            s = urllib.parse.spam(bar.foo())
+            """
+        self.check(b, a)
+
+
+class Test_imports2(FixerTestCase, ImportsFixerTests):
+    fixer = "imports2"
+    from ..fixes.fix_imports2 import MAPPING as modules
+
+
+class Test_imports_fixer_order(FixerTestCase, ImportsFixerTests):
+
+    def setUp(self):
+        super(Test_imports_fixer_order, self).setUp(['imports', 'imports2'])
+        from ..fixes.fix_imports2 import MAPPING as mapping2
+        self.modules = mapping2.copy()
+        from ..fixes.fix_imports import MAPPING as mapping1
+        for key in ('dbhash', 'dumbdbm', 'dbm', 'gdbm'):
+            self.modules[key] = mapping1[key]
+
+    def test_after_local_imports_refactoring(self):
+        for fix in ("imports", "imports2"):
+            self.fixer = fix
+            self.assert_runs_after("import")
+
+
+class Test_urllib(FixerTestCase):
+    fixer = "urllib"
+    from ..fixes.fix_urllib import MAPPING as modules
+
+    def test_import_module(self):
+        for old, changes in self.modules.items():
+            b = "import %s" % old
+            a = "import %s" % ", ".join(map(itemgetter(0), changes))
+            self.check(b, a)
+
+    def test_import_from(self):
+        for old, changes in self.modules.items():
+            all_members = []
+            for new, members in changes:
+                for member in members:
+                    all_members.append(member)
+                    b = "from %s import %s" % (old, member)
+                    a = "from %s import %s" % (new, member)
+                    self.check(b, a)
+
+                    s = "from foo import %s" % member
+                    self.unchanged(s)
+
+                b = "from %s import %s" % (old, ", ".join(members))
+                a = "from %s import %s" % (new, ", ".join(members))
+                self.check(b, a)
+
+                s = "from foo import %s" % ", ".join(members)
+                self.unchanged(s)
+
+            # test the breaking of a module into multiple replacements
+            b = "from %s import %s" % (old, ", ".join(all_members))
+            a = "\n".join(["from %s import %s" % (new, ", ".join(members))
+                            for (new, members) in changes])
+            self.check(b, a)
+
+    def test_import_module_as(self):
+        for old in self.modules:
+            s = "import %s as foo" % old
+            self.warns_unchanged(s, "This module is now multiple modules")
+
+    def test_import_from_as(self):
+        for old, changes in self.modules.items():
+            for new, members in changes:
+                for member in members:
+                    b = "from %s import %s as foo_bar" % (old, member)
+                    a = "from %s import %s as foo_bar" % (new, member)
+                    self.check(b, a)
+                    b = "from %s import %s as blah, %s" % (old, member, member)
+                    a = "from %s import %s as blah, %s" % (new, member, member)
+                    self.check(b, a)
+
+    def test_star(self):
+        for old in self.modules:
+            s = "from %s import *" % old
+            self.warns_unchanged(s, "Cannot handle star imports")
+
+    def test_indented(self):
+        b = """
+def foo():
+    from urllib import urlencode, urlopen
+"""
+        a = """
+def foo():
+    from urllib.parse import urlencode
+    from urllib.request import urlopen
+"""
+        self.check(b, a)
+
+        b = """
+def foo():
+    other()
+    from urllib import urlencode, urlopen
+"""
+        a = """
+def foo():
+    other()
+    from urllib.parse import urlencode
+    from urllib.request import urlopen
+"""
+        self.check(b, a)
+
+
+
+    def test_import_module_usage(self):
+        for old, changes in self.modules.items():
+            for new, members in changes:
+                for member in members:
+                    new_import = ", ".join([n for (n, mems)
+                                            in self.modules[old]])
+                    b = """
+                        import %s
+                        foo(%s.%s)
+                        """ % (old, old, member)
+                    a = """
+                        import %s
+                        foo(%s.%s)
+                        """ % (new_import, new, member)
+                    self.check(b, a)
+                    b = """
+                        import %s
+                        %s.%s(%s.%s)
+                        """ % (old, old, member, old, member)
+                    a = """
+                        import %s
+                        %s.%s(%s.%s)
+                        """ % (new_import, new, member, new, member)
+                    self.check(b, a)
+
+
+class Test_input(FixerTestCase):
+    fixer = "input"
+
+    def test_prefix_preservation(self):
+        b = """x =   input(   )"""
+        a = """x =   eval(input(   ))"""
+        self.check(b, a)
+
+        b = """x = input(   ''   )"""
+        a = """x = eval(input(   ''   ))"""
+        self.check(b, a)
+
+    def test_trailing_comment(self):
+        b = """x = input()  #  foo"""
+        a = """x = eval(input())  #  foo"""
+        self.check(b, a)
+
+    def test_idempotency(self):
+        s = """x = eval(input())"""
+        self.unchanged(s)
+
+        s = """x = eval(input(''))"""
+        self.unchanged(s)
+
+        s = """x = eval(input(foo(5) + 9))"""
+        self.unchanged(s)
+
+    def test_1(self):
+        b = """x = input()"""
+        a = """x = eval(input())"""
+        self.check(b, a)
+
+    def test_2(self):
+        b = """x = input('')"""
+        a = """x = eval(input(''))"""
+        self.check(b, a)
+
+    def test_3(self):
+        b = """x = input('prompt')"""
+        a = """x = eval(input('prompt'))"""
+        self.check(b, a)
+
+    def test_4(self):
+        b = """x = input(foo(5) + 9)"""
+        a = """x = eval(input(foo(5) + 9))"""
+        self.check(b, a)
+
+class Test_tuple_params(FixerTestCase):
+    fixer = "tuple_params"
+
+    def test_unchanged_1(self):
+        s = """def foo(): pass"""
+        self.unchanged(s)
+
+    def test_unchanged_2(self):
+        s = """def foo(a, b, c): pass"""
+        self.unchanged(s)
+
+    def test_unchanged_3(self):
+        s = """def foo(a=3, b=4, c=5): pass"""
+        self.unchanged(s)
+
+    def test_1(self):
+        b = """
+            def foo(((a, b), c)):
+                x = 5"""
+
+        a = """
+            def foo(xxx_todo_changeme):
+                ((a, b), c) = xxx_todo_changeme
+                x = 5"""
+        self.check(b, a)
+
+    def test_2(self):
+        b = """
+            def foo(((a, b), c), d):
+                x = 5"""
+
+        a = """
+            def foo(xxx_todo_changeme, d):
+                ((a, b), c) = xxx_todo_changeme
+                x = 5"""
+        self.check(b, a)
+
+    def test_3(self):
+        b = """
+            def foo(((a, b), c), d) -> e:
+                x = 5"""
+
+        a = """
+            def foo(xxx_todo_changeme, d) -> e:
+                ((a, b), c) = xxx_todo_changeme
+                x = 5"""
+        self.check(b, a)
+
+    def test_semicolon(self):
+        b = """
+            def foo(((a, b), c)): x = 5; y = 7"""
+
+        a = """
+            def foo(xxx_todo_changeme): ((a, b), c) = xxx_todo_changeme; x = 5; y = 7"""
+        self.check(b, a)
+
+    def test_keywords(self):
+        b = """
+            def foo(((a, b), c), d, e=5) -> z:
+                x = 5"""
+
+        a = """
+            def foo(xxx_todo_changeme, d, e=5) -> z:
+                ((a, b), c) = xxx_todo_changeme
+                x = 5"""
+        self.check(b, a)
+
+    def test_varargs(self):
+        b = """
+            def foo(((a, b), c), d, *vargs, **kwargs) -> z:
+                x = 5"""
+
+        a = """
+            def foo(xxx_todo_changeme, d, *vargs, **kwargs) -> z:
+                ((a, b), c) = xxx_todo_changeme
+                x = 5"""
+        self.check(b, a)
+
+    def test_multi_1(self):
+        b = """
+            def foo(((a, b), c), (d, e, f)) -> z:
+                x = 5"""
+
+        a = """
+            def foo(xxx_todo_changeme, xxx_todo_changeme1) -> z:
+                ((a, b), c) = xxx_todo_changeme
+                (d, e, f) = xxx_todo_changeme1
+                x = 5"""
+        self.check(b, a)
+
+    def test_multi_2(self):
+        b = """
+            def foo(x, ((a, b), c), d, (e, f, g), y) -> z:
+                x = 5"""
+
+        a = """
+            def foo(x, xxx_todo_changeme, d, xxx_todo_changeme1, y) -> z:
+                ((a, b), c) = xxx_todo_changeme
+                (e, f, g) = xxx_todo_changeme1
+                x = 5"""
+        self.check(b, a)
+
+    def test_docstring(self):
+        b = """
+            def foo(((a, b), c), (d, e, f)) -> z:
+                "foo foo foo foo"
+                x = 5"""
+
+        a = """
+            def foo(xxx_todo_changeme, xxx_todo_changeme1) -> z:
+                "foo foo foo foo"
+                ((a, b), c) = xxx_todo_changeme
+                (d, e, f) = xxx_todo_changeme1
+                x = 5"""
+        self.check(b, a)
+
+    def test_lambda_no_change(self):
+        s = """lambda x: x + 5"""
+        self.unchanged(s)
+
+    def test_lambda_parens_single_arg(self):
+        b = """lambda (x): x + 5"""
+        a = """lambda x: x + 5"""
+        self.check(b, a)
+
+        b = """lambda(x): x + 5"""
+        a = """lambda x: x + 5"""
+        self.check(b, a)
+
+        b = """lambda ((((x)))): x + 5"""
+        a = """lambda x: x + 5"""
+        self.check(b, a)
+
+        b = """lambda((((x)))): x + 5"""
+        a = """lambda x: x + 5"""
+        self.check(b, a)
+
+    def test_lambda_simple(self):
+        b = """lambda (x, y): x + f(y)"""
+        a = """lambda x_y: x_y[0] + f(x_y[1])"""
+        self.check(b, a)
+
+        b = """lambda(x, y): x + f(y)"""
+        a = """lambda x_y: x_y[0] + f(x_y[1])"""
+        self.check(b, a)
+
+        b = """lambda (((x, y))): x + f(y)"""
+        a = """lambda x_y: x_y[0] + f(x_y[1])"""
+        self.check(b, a)
+
+        b = """lambda(((x, y))): x + f(y)"""
+        a = """lambda x_y: x_y[0] + f(x_y[1])"""
+        self.check(b, a)
+
+    def test_lambda_one_tuple(self):
+        b = """lambda (x,): x + f(x)"""
+        a = """lambda x1: x1[0] + f(x1[0])"""
+        self.check(b, a)
+
+        b = """lambda (((x,))): x + f(x)"""
+        a = """lambda x1: x1[0] + f(x1[0])"""
+        self.check(b, a)
+
+    def test_lambda_simple_multi_use(self):
+        b = """lambda (x, y): x + x + f(x) + x"""
+        a = """lambda x_y: x_y[0] + x_y[0] + f(x_y[0]) + x_y[0]"""
+        self.check(b, a)
+
+    def test_lambda_simple_reverse(self):
+        b = """lambda (x, y): y + x"""
+        a = """lambda x_y: x_y[1] + x_y[0]"""
+        self.check(b, a)
+
+    def test_lambda_nested(self):
+        b = """lambda (x, (y, z)): x + y + z"""
+        a = """lambda x_y_z: x_y_z[0] + x_y_z[1][0] + x_y_z[1][1]"""
+        self.check(b, a)
+
+        b = """lambda (((x, (y, z)))): x + y + z"""
+        a = """lambda x_y_z: x_y_z[0] + x_y_z[1][0] + x_y_z[1][1]"""
+        self.check(b, a)
+
+    def test_lambda_nested_multi_use(self):
+        b = """lambda (x, (y, z)): x + y + f(y)"""
+        a = """lambda x_y_z: x_y_z[0] + x_y_z[1][0] + f(x_y_z[1][0])"""
+        self.check(b, a)
+
+class Test_methodattrs(FixerTestCase):
+    fixer = "methodattrs"
+
+    attrs = ["func", "self", "class"]
+
+    def test(self):
+        for attr in self.attrs:
+            b = "a.im_%s" % attr
+            if attr == "class":
+                a = "a.__self__.__class__"
+            else:
+                a = "a.__%s__" % attr
+            self.check(b, a)
+
+            b = "self.foo.im_%s.foo_bar" % attr
+            if attr == "class":
+                a = "self.foo.__self__.__class__.foo_bar"
+            else:
+                a = "self.foo.__%s__.foo_bar" % attr
+            self.check(b, a)
+
+    def test_unchanged(self):
+        for attr in self.attrs:
+            s = "foo(im_%s + 5)" % attr
+            self.unchanged(s)
+
+            s = "f(foo.__%s__)" % attr
+            self.unchanged(s)
+
+            s = "f(foo.__%s__.foo)" % attr
+            self.unchanged(s)
+
+class Test_next(FixerTestCase):
+    fixer = "next"
+
+    def test_1(self):
+        b = """it.next()"""
+        a = """next(it)"""
+        self.check(b, a)
+
+    def test_2(self):
+        b = """a.b.c.d.next()"""
+        a = """next(a.b.c.d)"""
+        self.check(b, a)
+
+    def test_3(self):
+        b = """(a + b).next()"""
+        a = """next((a + b))"""
+        self.check(b, a)
+
+    def test_4(self):
+        b = """a().next()"""
+        a = """next(a())"""
+        self.check(b, a)
+
+    def test_5(self):
+        b = """a().next() + b"""
+        a = """next(a()) + b"""
+        self.check(b, a)
+
+    def test_6(self):
+        b = """c(      a().next() + b)"""
+        a = """c(      next(a()) + b)"""
+        self.check(b, a)
+
+    def test_prefix_preservation_1(self):
+        b = """
+            for a in b:
+                foo(a)
+                a.next()
+            """
+        a = """
+            for a in b:
+                foo(a)
+                next(a)
+            """
+        self.check(b, a)
+
+    def test_prefix_preservation_2(self):
+        b = """
+            for a in b:
+                foo(a) # abc
+                # def
+                a.next()
+            """
+        a = """
+            for a in b:
+                foo(a) # abc
+                # def
+                next(a)
+            """
+        self.check(b, a)
+
+    def test_prefix_preservation_3(self):
+        b = """
+            next = 5
+            for a in b:
+                foo(a)
+                a.next()
+            """
+        a = """
+            next = 5
+            for a in b:
+                foo(a)
+                a.__next__()
+            """
+        self.check(b, a, ignore_warnings=True)
+
+    def test_prefix_preservation_4(self):
+        b = """
+            next = 5
+            for a in b:
+                foo(a) # abc
+                # def
+                a.next()
+            """
+        a = """
+            next = 5
+            for a in b:
+                foo(a) # abc
+                # def
+                a.__next__()
+            """
+        self.check(b, a, ignore_warnings=True)
+
+    def test_prefix_preservation_5(self):
+        b = """
+            next = 5
+            for a in b:
+                foo(foo(a), # abc
+                    a.next())
+            """
+        a = """
+            next = 5
+            for a in b:
+                foo(foo(a), # abc
+                    a.__next__())
+            """
+        self.check(b, a, ignore_warnings=True)
+
+    def test_prefix_preservation_6(self):
+        b = """
+            for a in b:
+                foo(foo(a), # abc
+                    a.next())
+            """
+        a = """
+            for a in b:
+                foo(foo(a), # abc
+                    next(a))
+            """
+        self.check(b, a)
+
+    def test_method_1(self):
+        b = """
+            class A:
+                def next(self):
+                    pass
+            """
+        a = """
+            class A:
+                def __next__(self):
+                    pass
+            """
+        self.check(b, a)
+
+    def test_method_2(self):
+        b = """
+            class A(object):
+                def next(self):
+                    pass
+            """
+        a = """
+            class A(object):
+                def __next__(self):
+                    pass
+            """
+        self.check(b, a)
+
+    def test_method_3(self):
+        b = """
+            class A:
+                def next(x):
+                    pass
+            """
+        a = """
+            class A:
+                def __next__(x):
+                    pass
+            """
+        self.check(b, a)
+
+    def test_method_4(self):
+        b = """
+            class A:
+                def __init__(self, foo):
+                    self.foo = foo
+
+                def next(self):
+                    pass
+
+                def __iter__(self):
+                    return self
+            """
+        a = """
+            class A:
+                def __init__(self, foo):
+                    self.foo = foo
+
+                def __next__(self):
+                    pass
+
+                def __iter__(self):
+                    return self
+            """
+        self.check(b, a)
+
+    def test_method_unchanged(self):
+        s = """
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.unchanged(s)
+
+    def test_shadowing_assign_simple(self):
+        s = """
+            next = foo
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_assign_tuple_1(self):
+        s = """
+            (next, a) = foo
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_assign_tuple_2(self):
+        s = """
+            (a, (b, (next, c)), a) = foo
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_assign_list_1(self):
+        s = """
+            [next, a] = foo
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_assign_list_2(self):
+        s = """
+            [a, [b, [next, c]], a] = foo
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_builtin_assign(self):
+        s = """
+            def foo():
+                __builtin__.next = foo
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_builtin_assign_in_tuple(self):
+        s = """
+            def foo():
+                (a, __builtin__.next) = foo
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_builtin_assign_in_list(self):
+        s = """
+            def foo():
+                [a, __builtin__.next] = foo
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_assign_to_next(self):
+        s = """
+            def foo():
+                A.next = foo
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.unchanged(s)
+
+    def test_assign_to_next_in_tuple(self):
+        s = """
+            def foo():
+                (a, A.next) = foo
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.unchanged(s)
+
+    def test_assign_to_next_in_list(self):
+        s = """
+            def foo():
+                [a, A.next] = foo
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.unchanged(s)
+
+    def test_shadowing_import_1(self):
+        s = """
+            import foo.bar as next
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_import_2(self):
+        s = """
+            import bar, bar.foo as next
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_import_3(self):
+        s = """
+            import bar, bar.foo as next, baz
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_import_from_1(self):
+        s = """
+            from x import next
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_import_from_2(self):
+        s = """
+            from x.a import next
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_import_from_3(self):
+        s = """
+            from x import a, next, b
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_import_from_4(self):
+        s = """
+            from x.a import a, next, b
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_funcdef_1(self):
+        s = """
+            def next(a):
+                pass
+
+            class A:
+                def next(self, a, b):
+                    pass
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_funcdef_2(self):
+        b = """
+            def next(a):
+                pass
+
+            class A:
+                def next(self):
+                    pass
+
+            it.next()
+            """
+        a = """
+            def next(a):
+                pass
+
+            class A:
+                def __next__(self):
+                    pass
+
+            it.__next__()
+            """
+        self.warns(b, a, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_global_1(self):
+        s = """
+            def f():
+                global next
+                next = 5
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_global_2(self):
+        s = """
+            def f():
+                global a, next, b
+                next = 5
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_for_simple(self):
+        s = """
+            for next in it():
+                pass
+
+            b = 5
+            c = 6
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_for_tuple_1(self):
+        s = """
+            for next, b in it():
+                pass
+
+            b = 5
+            c = 6
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_shadowing_for_tuple_2(self):
+        s = """
+            for a, (next, c), b in it():
+                pass
+
+            b = 5
+            c = 6
+            """
+        self.warns_unchanged(s, "Calls to builtin next() possibly shadowed")
+
+    def test_noncall_access_1(self):
+        b = """gnext = g.next"""
+        a = """gnext = g.__next__"""
+        self.check(b, a)
+
+    def test_noncall_access_2(self):
+        b = """f(g.next + 5)"""
+        a = """f(g.__next__ + 5)"""
+        self.check(b, a)
+
+    def test_noncall_access_3(self):
+        b = """f(g().next + 5)"""
+        a = """f(g().__next__ + 5)"""
+        self.check(b, a)
+
+class Test_nonzero(FixerTestCase):
+    fixer = "nonzero"
+
+    def test_1(self):
+        b = """
+            class A:
+                def __nonzero__(self):
+                    pass
+            """
+        a = """
+            class A:
+                def __bool__(self):
+                    pass
+            """
+        self.check(b, a)
+
+    def test_2(self):
+        b = """
+            class A(object):
+                def __nonzero__(self):
+                    pass
+            """
+        a = """
+            class A(object):
+                def __bool__(self):
+                    pass
+            """
+        self.check(b, a)
+
+    def test_unchanged_1(self):
+        s = """
+            class A(object):
+                def __bool__(self):
+                    pass
+            """
+        self.unchanged(s)
+
+    def test_unchanged_2(self):
+        s = """
+            class A(object):
+                def __nonzero__(self, a):
+                    pass
+            """
+        self.unchanged(s)
+
+    def test_unchanged_func(self):
+        s = """
+            def __nonzero__(self):
+                pass
+            """
+        self.unchanged(s)
+
+class Test_numliterals(FixerTestCase):
+    fixer = "numliterals"
+
+    def test_octal_1(self):
+        b = """0755"""
+        a = """0o755"""
+        self.check(b, a)
+
+    def test_long_int_1(self):
+        b = """a = 12L"""
+        a = """a = 12"""
+        self.check(b, a)
+
+    def test_long_int_2(self):
+        b = """a = 12l"""
+        a = """a = 12"""
+        self.check(b, a)
+
+    def test_long_hex(self):
+        b = """b = 0x12l"""
+        a = """b = 0x12"""
+        self.check(b, a)
+
+    def test_comments_and_spacing(self):
+        b = """b =   0x12L"""
+        a = """b =   0x12"""
+        self.check(b, a)
+
+        b = """b = 0755 # spam"""
+        a = """b = 0o755 # spam"""
+        self.check(b, a)
+
+    def test_unchanged_int(self):
+        s = """5"""
+        self.unchanged(s)
+
+    def test_unchanged_float(self):
+        s = """5.0"""
+        self.unchanged(s)
+
+    def test_unchanged_octal(self):
+        s = """0o755"""
+        self.unchanged(s)
+
+    def test_unchanged_hex(self):
+        s = """0xABC"""
+        self.unchanged(s)
+
+    def test_unchanged_exp(self):
+        s = """5.0e10"""
+        self.unchanged(s)
+
+    def test_unchanged_complex_int(self):
+        s = """5 + 4j"""
+        self.unchanged(s)
+
+    def test_unchanged_complex_float(self):
+        s = """5.4 + 4.9j"""
+        self.unchanged(s)
+
+    def test_unchanged_complex_bare(self):
+        s = """4j"""
+        self.unchanged(s)
+        s = """4.4j"""
+        self.unchanged(s)
+
+class Test_renames(FixerTestCase):
+    fixer = "renames"
+
+    modules = {"sys":  ("maxint", "maxsize"),
+              }
+
+    def test_import_from(self):
+        for mod, (old, new) in self.modules.items():
+            b = "from %s import %s" % (mod, old)
+            a = "from %s import %s" % (mod, new)
+            self.check(b, a)
+
+            s = "from foo import %s" % old
+            self.unchanged(s)
+
+    def test_import_from_as(self):
+        for mod, (old, new) in self.modules.items():
+            b = "from %s import %s as foo_bar" % (mod, old)
+            a = "from %s import %s as foo_bar" % (mod, new)
+            self.check(b, a)
+
+    def test_import_module_usage(self):
+        for mod, (old, new) in self.modules.items():
+            b = """
+                import %s
+                foo(%s, %s.%s)
+                """ % (mod, mod, mod, old)
+            a = """
+                import %s
+                foo(%s, %s.%s)
+                """ % (mod, mod, mod, new)
+            self.check(b, a)
+
+    def XXX_test_from_import_usage(self):
+        # not implemented yet
+        for mod, (old, new) in self.modules.items():
+            b = """
+                from %s import %s
+                foo(%s, %s)
+                """ % (mod, old, mod, old)
+            a = """
+                from %s import %s
+                foo(%s, %s)
+                """ % (mod, new, mod, new)
+            self.check(b, a)
+
+class Test_unicode(FixerTestCase):
+    fixer = "unicode"
+
+    def test_whitespace(self):
+        b = """unicode( x)"""
+        a = """str( x)"""
+        self.check(b, a)
+
+        b = """ unicode(x )"""
+        a = """ str(x )"""
+        self.check(b, a)
+
+        b = """ u'h'"""
+        a = """ 'h'"""
+        self.check(b, a)
+
+    def test_unicode_call(self):
+        b = """unicode(x, y, z)"""
+        a = """str(x, y, z)"""
+        self.check(b, a)
+
+    def test_unichr(self):
+        b = """unichr(u'h')"""
+        a = """chr('h')"""
+        self.check(b, a)
+
+    def test_unicode_literal_1(self):
+        b = '''u"x"'''
+        a = '''"x"'''
+        self.check(b, a)
+
+    def test_unicode_literal_2(self):
+        b = """ur'x'"""
+        a = """r'x'"""
+        self.check(b, a)
+
+    def test_unicode_literal_3(self):
+        b = """UR'''x''' """
+        a = """R'''x''' """
+        self.check(b, a)
+
+    def test_native_literal_escape_u(self):
+        b = """'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        a = """'\\\\\\\\u20ac\\\\U0001d121\\\\u20ac'"""
+        self.check(b, a)
+
+        b = """r'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        a = """r'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        self.check(b, a)
+
+    def test_bytes_literal_escape_u(self):
+        b = """b'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        a = """b'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        self.check(b, a)
+
+        b = """br'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        a = """br'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        self.check(b, a)
+
+    def test_unicode_literal_escape_u(self):
+        b = """u'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        a = """'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        self.check(b, a)
+
+        b = """ur'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        a = """r'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        self.check(b, a)
+
+    def test_native_unicode_literal_escape_u(self):
+        f = 'from __future__ import unicode_literals\n'
+        b = f + """'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        a = f + """'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        self.check(b, a)
+
+        b = f + """r'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        a = f + """r'\\\\\\u20ac\\U0001d121\\\\u20ac'"""
+        self.check(b, a)
+
+
+class Test_filter(FixerTestCase):
+    fixer = "filter"
+
+    def test_prefix_preservation(self):
+        b = """x =   filter(    foo,     'abc'   )"""
+        a = """x =   list(filter(    foo,     'abc'   ))"""
+        self.check(b, a)
+
+        b = """x =   filter(  None , 'abc'  )"""
+        a = """x =   [_f for _f in 'abc' if _f]"""
+        self.check(b, a)
+
+    def test_filter_basic(self):
+        b = """x = filter(None, 'abc')"""
+        a = """x = [_f for _f in 'abc' if _f]"""
+        self.check(b, a)
+
+        b = """x = len(filter(f, 'abc'))"""
+        a = """x = len(list(filter(f, 'abc')))"""
+        self.check(b, a)
+
+        b = """x = filter(lambda x: x%2 == 0, range(10))"""
+        a = """x = [x for x in range(10) if x%2 == 0]"""
+        self.check(b, a)
+
+        # Note the parens around x
+        b = """x = filter(lambda (x): x%2 == 0, range(10))"""
+        a = """x = [x for x in range(10) if x%2 == 0]"""
+        self.check(b, a)
+
+        # XXX This (rare) case is not supported
+##         b = """x = filter(f, 'abc')[0]"""
+##         a = """x = list(filter(f, 'abc'))[0]"""
+##         self.check(b, a)
+
+    def test_filter_nochange(self):
+        a = """b.join(filter(f, 'abc'))"""
+        self.unchanged(a)
+        a = """(a + foo(5)).join(filter(f, 'abc'))"""
+        self.unchanged(a)
+        a = """iter(filter(f, 'abc'))"""
+        self.unchanged(a)
+        a = """list(filter(f, 'abc'))"""
+        self.unchanged(a)
+        a = """list(filter(f, 'abc'))[0]"""
+        self.unchanged(a)
+        a = """set(filter(f, 'abc'))"""
+        self.unchanged(a)
+        a = """set(filter(f, 'abc')).pop()"""
+        self.unchanged(a)
+        a = """tuple(filter(f, 'abc'))"""
+        self.unchanged(a)
+        a = """any(filter(f, 'abc'))"""
+        self.unchanged(a)
+        a = """all(filter(f, 'abc'))"""
+        self.unchanged(a)
+        a = """sum(filter(f, 'abc'))"""
+        self.unchanged(a)
+        a = """sorted(filter(f, 'abc'))"""
+        self.unchanged(a)
+        a = """sorted(filter(f, 'abc'), key=blah)"""
+        self.unchanged(a)
+        a = """sorted(filter(f, 'abc'), key=blah)[0]"""
+        self.unchanged(a)
+        a = """enumerate(filter(f, 'abc'))"""
+        self.unchanged(a)
+        a = """enumerate(filter(f, 'abc'), start=1)"""
+        self.unchanged(a)
+        a = """for i in filter(f, 'abc'): pass"""
+        self.unchanged(a)
+        a = """[x for x in filter(f, 'abc')]"""
+        self.unchanged(a)
+        a = """(x for x in filter(f, 'abc'))"""
+        self.unchanged(a)
+
+    def test_future_builtins(self):
+        a = "from future_builtins import spam, filter; filter(f, 'ham')"
+        self.unchanged(a)
+
+        b = """from future_builtins import spam; x = filter(f, 'abc')"""
+        a = """from future_builtins import spam; x = list(filter(f, 'abc'))"""
+        self.check(b, a)
+
+        a = "from future_builtins import *; filter(f, 'ham')"
+        self.unchanged(a)
+
+class Test_map(FixerTestCase):
+    fixer = "map"
+
+    def check(self, b, a):
+        self.unchanged("from future_builtins import map; " + b, a)
+        super(Test_map, self).check(b, a)
+
+    def test_prefix_preservation(self):
+        b = """x =    map(   f,    'abc'   )"""
+        a = """x =    list(map(   f,    'abc'   ))"""
+        self.check(b, a)
+
+    def test_trailing_comment(self):
+        b = """x = map(f, 'abc')   #   foo"""
+        a = """x = list(map(f, 'abc'))   #   foo"""
+        self.check(b, a)
+
+    def test_None_with_multiple_arguments(self):
+        s = """x = map(None, a, b, c)"""
+        self.warns_unchanged(s, "cannot convert map(None, ...) with "
+                             "multiple arguments")
+
+    def test_map_basic(self):
+        b = """x = map(f, 'abc')"""
+        a = """x = list(map(f, 'abc'))"""
+        self.check(b, a)
+
+        b = """x = len(map(f, 'abc', 'def'))"""
+        a = """x = len(list(map(f, 'abc', 'def')))"""
+        self.check(b, a)
+
+        b = """x = map(None, 'abc')"""
+        a = """x = list('abc')"""
+        self.check(b, a)
+
+        b = """x = map(lambda x: x+1, range(4))"""
+        a = """x = [x+1 for x in range(4)]"""
+        self.check(b, a)
+
+        # Note the parens around x
+        b = """x = map(lambda (x): x+1, range(4))"""
+        a = """x = [x+1 for x in range(4)]"""
+        self.check(b, a)
+
+        b = """
+            foo()
+            # foo
+            map(f, x)
+            """
+        a = """
+            foo()
+            # foo
+            list(map(f, x))
+            """
+        self.warns(b, a, "You should use a for loop here")
+
+        # XXX This (rare) case is not supported
+##         b = """x = map(f, 'abc')[0]"""
+##         a = """x = list(map(f, 'abc'))[0]"""
+##         self.check(b, a)
+
+    def test_map_nochange(self):
+        a = """b.join(map(f, 'abc'))"""
+        self.unchanged(a)
+        a = """(a + foo(5)).join(map(f, 'abc'))"""
+        self.unchanged(a)
+        a = """iter(map(f, 'abc'))"""
+        self.unchanged(a)
+        a = """list(map(f, 'abc'))"""
+        self.unchanged(a)
+        a = """list(map(f, 'abc'))[0]"""
+        self.unchanged(a)
+        a = """set(map(f, 'abc'))"""
+        self.unchanged(a)
+        a = """set(map(f, 'abc')).pop()"""
+        self.unchanged(a)
+        a = """tuple(map(f, 'abc'))"""
+        self.unchanged(a)
+        a = """any(map(f, 'abc'))"""
+        self.unchanged(a)
+        a = """all(map(f, 'abc'))"""
+        self.unchanged(a)
+        a = """sum(map(f, 'abc'))"""
+        self.unchanged(a)
+        a = """sorted(map(f, 'abc'))"""
+        self.unchanged(a)
+        a = """sorted(map(f, 'abc'), key=blah)"""
+        self.unchanged(a)
+        a = """sorted(map(f, 'abc'), key=blah)[0]"""
+        self.unchanged(a)
+        a = """enumerate(map(f, 'abc'))"""
+        self.unchanged(a)
+        a = """enumerate(map(f, 'abc'), start=1)"""
+        self.unchanged(a)
+        a = """for i in map(f, 'abc'): pass"""
+        self.unchanged(a)
+        a = """[x for x in map(f, 'abc')]"""
+        self.unchanged(a)
+        a = """(x for x in map(f, 'abc'))"""
+        self.unchanged(a)
+
+    def test_future_builtins(self):
+        a = "from future_builtins import spam, map, eggs; map(f, 'ham')"
+        self.unchanged(a)
+
+        b = """from future_builtins import spam, eggs; x = map(f, 'abc')"""
+        a = """from future_builtins import spam, eggs; x = list(map(f, 'abc'))"""
+        self.check(b, a)
+
+        a = "from future_builtins import *; map(f, 'ham')"
+        self.unchanged(a)
+
+class Test_zip(FixerTestCase):
+    fixer = "zip"
+
+    def check(self, b, a):
+        self.unchanged("from future_builtins import zip; " + b, a)
+        super(Test_zip, self).check(b, a)
+
+    def test_zip_basic(self):
+        b = """x = zip(a, b, c)"""
+        a = """x = list(zip(a, b, c))"""
+        self.check(b, a)
+
+        b = """x = len(zip(a, b))"""
+        a = """x = len(list(zip(a, b)))"""
+        self.check(b, a)
+
+    def test_zip_nochange(self):
+        a = """b.join(zip(a, b))"""
+        self.unchanged(a)
+        a = """(a + foo(5)).join(zip(a, b))"""
+        self.unchanged(a)
+        a = """iter(zip(a, b))"""
+        self.unchanged(a)
+        a = """list(zip(a, b))"""
+        self.unchanged(a)
+        a = """list(zip(a, b))[0]"""
+        self.unchanged(a)
+        a = """set(zip(a, b))"""
+        self.unchanged(a)
+        a = """set(zip(a, b)).pop()"""
+        self.unchanged(a)
+        a = """tuple(zip(a, b))"""
+        self.unchanged(a)
+        a = """any(zip(a, b))"""
+        self.unchanged(a)
+        a = """all(zip(a, b))"""
+        self.unchanged(a)
+        a = """sum(zip(a, b))"""
+        self.unchanged(a)
+        a = """sorted(zip(a, b))"""
+        self.unchanged(a)
+        a = """sorted(zip(a, b), key=blah)"""
+        self.unchanged(a)
+        a = """sorted(zip(a, b), key=blah)[0]"""
+        self.unchanged(a)
+        a = """enumerate(zip(a, b))"""
+        self.unchanged(a)
+        a = """enumerate(zip(a, b), start=1)"""
+        self.unchanged(a)
+        a = """for i in zip(a, b): pass"""
+        self.unchanged(a)
+        a = """[x for x in zip(a, b)]"""
+        self.unchanged(a)
+        a = """(x for x in zip(a, b))"""
+        self.unchanged(a)
+
+    def test_future_builtins(self):
+        a = "from future_builtins import spam, zip, eggs; zip(a, b)"
+        self.unchanged(a)
+
+        b = """from future_builtins import spam, eggs; x = zip(a, b)"""
+        a = """from future_builtins import spam, eggs; x = list(zip(a, b))"""
+        self.check(b, a)
+
+        a = "from future_builtins import *; zip(a, b)"
+        self.unchanged(a)
+
+class Test_standarderror(FixerTestCase):
+    fixer = "standarderror"
+
+    def test(self):
+        b = """x =    StandardError()"""
+        a = """x =    Exception()"""
+        self.check(b, a)
+
+        b = """x = StandardError(a, b, c)"""
+        a = """x = Exception(a, b, c)"""
+        self.check(b, a)
+
+        b = """f(2 + StandardError(a, b, c))"""
+        a = """f(2 + Exception(a, b, c))"""
+        self.check(b, a)
+
+class Test_types(FixerTestCase):
+    fixer = "types"
+
+    def test_basic_types_convert(self):
+        b = """types.StringType"""
+        a = """bytes"""
+        self.check(b, a)
+
+        b = """types.DictType"""
+        a = """dict"""
+        self.check(b, a)
+
+        b = """types . IntType"""
+        a = """int"""
+        self.check(b, a)
+
+        b = """types.ListType"""
+        a = """list"""
+        self.check(b, a)
+
+        b = """types.LongType"""
+        a = """int"""
+        self.check(b, a)
+
+        b = """types.NoneType"""
+        a = """type(None)"""
+        self.check(b, a)
+
+        b = "types.StringTypes"
+        a = "(str,)"
+        self.check(b, a)
+
+class Test_idioms(FixerTestCase):
+    fixer = "idioms"
+
+    def test_while(self):
+        b = """while 1: foo()"""
+        a = """while True: foo()"""
+        self.check(b, a)
+
+        b = """while   1: foo()"""
+        a = """while   True: foo()"""
+        self.check(b, a)
+
+        b = """
+            while 1:
+                foo()
+            """
+        a = """
+            while True:
+                foo()
+            """
+        self.check(b, a)
+
+    def test_while_unchanged(self):
+        s = """while 11: foo()"""
+        self.unchanged(s)
+
+        s = """while 0: foo()"""
+        self.unchanged(s)
+
+        s = """while foo(): foo()"""
+        self.unchanged(s)
+
+        s = """while []: foo()"""
+        self.unchanged(s)
+
+    def test_eq_simple(self):
+        b = """type(x) == T"""
+        a = """isinstance(x, T)"""
+        self.check(b, a)
+
+        b = """if   type(x) == T: pass"""
+        a = """if   isinstance(x, T): pass"""
+        self.check(b, a)
+
+    def test_eq_reverse(self):
+        b = """T == type(x)"""
+        a = """isinstance(x, T)"""
+        self.check(b, a)
+
+        b = """if   T == type(x): pass"""
+        a = """if   isinstance(x, T): pass"""
+        self.check(b, a)
+
+    def test_eq_expression(self):
+        b = """type(x+y) == d.get('T')"""
+        a = """isinstance(x+y, d.get('T'))"""
+        self.check(b, a)
+
+        b = """type(   x  +  y) == d.get('T')"""
+        a = """isinstance(x  +  y, d.get('T'))"""
+        self.check(b, a)
+
+    def test_is_simple(self):
+        b = """type(x) is T"""
+        a = """isinstance(x, T)"""
+        self.check(b, a)
+
+        b = """if   type(x) is T: pass"""
+        a = """if   isinstance(x, T): pass"""
+        self.check(b, a)
+
+    def test_is_reverse(self):
+        b = """T is type(x)"""
+        a = """isinstance(x, T)"""
+        self.check(b, a)
+
+        b = """if   T is type(x): pass"""
+        a = """if   isinstance(x, T): pass"""
+        self.check(b, a)
+
+    def test_is_expression(self):
+        b = """type(x+y) is d.get('T')"""
+        a = """isinstance(x+y, d.get('T'))"""
+        self.check(b, a)
+
+        b = """type(   x  +  y) is d.get('T')"""
+        a = """isinstance(x  +  y, d.get('T'))"""
+        self.check(b, a)
+
+    def test_is_not_simple(self):
+        b = """type(x) is not T"""
+        a = """not isinstance(x, T)"""
+        self.check(b, a)
+
+        b = """if   type(x) is not T: pass"""
+        a = """if   not isinstance(x, T): pass"""
+        self.check(b, a)
+
+    def test_is_not_reverse(self):
+        b = """T is not type(x)"""
+        a = """not isinstance(x, T)"""
+        self.check(b, a)
+
+        b = """if   T is not type(x): pass"""
+        a = """if   not isinstance(x, T): pass"""
+        self.check(b, a)
+
+    def test_is_not_expression(self):
+        b = """type(x+y) is not d.get('T')"""
+        a = """not isinstance(x+y, d.get('T'))"""
+        self.check(b, a)
+
+        b = """type(   x  +  y) is not d.get('T')"""
+        a = """not isinstance(x  +  y, d.get('T'))"""
+        self.check(b, a)
+
+    def test_ne_simple(self):
+        b = """type(x) != T"""
+        a = """not isinstance(x, T)"""
+        self.check(b, a)
+
+        b = """if   type(x) != T: pass"""
+        a = """if   not isinstance(x, T): pass"""
+        self.check(b, a)
+
+    def test_ne_reverse(self):
+        b = """T != type(x)"""
+        a = """not isinstance(x, T)"""
+        self.check(b, a)
+
+        b = """if   T != type(x): pass"""
+        a = """if   not isinstance(x, T): pass"""
+        self.check(b, a)
+
+    def test_ne_expression(self):
+        b = """type(x+y) != d.get('T')"""
+        a = """not isinstance(x+y, d.get('T'))"""
+        self.check(b, a)
+
+        b = """type(   x  +  y) != d.get('T')"""
+        a = """not isinstance(x  +  y, d.get('T'))"""
+        self.check(b, a)
+
+    def test_type_unchanged(self):
+        a = """type(x).__name__"""
+        self.unchanged(a)
+
+    def test_sort_list_call(self):
+        b = """
+            v = list(t)
+            v.sort()
+            foo(v)
+            """
+        a = """
+            v = sorted(t)
+            foo(v)
+            """
+        self.check(b, a)
+
+        b = """
+            v = list(foo(b) + d)
+            v.sort()
+            foo(v)
+            """
+        a = """
+            v = sorted(foo(b) + d)
+            foo(v)
+            """
+        self.check(b, a)
+
+        b = """
+            while x:
+                v = list(t)
+                v.sort()
+                foo(v)
+            """
+        a = """
+            while x:
+                v = sorted(t)
+                foo(v)
+            """
+        self.check(b, a)
+
+        b = """
+            v = list(t)
+            # foo
+            v.sort()
+            foo(v)
+            """
+        a = """
+            v = sorted(t)
+            # foo
+            foo(v)
+            """
+        self.check(b, a)
+
+        b = r"""
+            v = list(   t)
+            v.sort()
+            foo(v)
+            """
+        a = r"""
+            v = sorted(   t)
+            foo(v)
+            """
+        self.check(b, a)
+
+        b = r"""
+            try:
+                m = list(s)
+                m.sort()
+            except: pass
+            """
+
+        a = r"""
+            try:
+                m = sorted(s)
+            except: pass
+            """
+        self.check(b, a)
+
+        b = r"""
+            try:
+                m = list(s)
+                # foo
+                m.sort()
+            except: pass
+            """
+
+        a = r"""
+            try:
+                m = sorted(s)
+                # foo
+            except: pass
+            """
+        self.check(b, a)
+
+        b = r"""
+            m = list(s)
+            # more comments
+            m.sort()"""
+
+        a = r"""
+            m = sorted(s)
+            # more comments"""
+        self.check(b, a)
+
+    def test_sort_simple_expr(self):
+        b = """
+            v = t
+            v.sort()
+            foo(v)
+            """
+        a = """
+            v = sorted(t)
+            foo(v)
+            """
+        self.check(b, a)
+
+        b = """
+            v = foo(b)
+            v.sort()
+            foo(v)
+            """
+        a = """
+            v = sorted(foo(b))
+            foo(v)
+            """
+        self.check(b, a)
+
+        b = """
+            v = b.keys()
+            v.sort()
+            foo(v)
+            """
+        a = """
+            v = sorted(b.keys())
+            foo(v)
+            """
+        self.check(b, a)
+
+        b = """
+            v = foo(b) + d
+            v.sort()
+            foo(v)
+            """
+        a = """
+            v = sorted(foo(b) + d)
+            foo(v)
+            """
+        self.check(b, a)
+
+        b = """
+            while x:
+                v = t
+                v.sort()
+                foo(v)
+            """
+        a = """
+            while x:
+                v = sorted(t)
+                foo(v)
+            """
+        self.check(b, a)
+
+        b = """
+            v = t
+            # foo
+            v.sort()
+            foo(v)
+            """
+        a = """
+            v = sorted(t)
+            # foo
+            foo(v)
+            """
+        self.check(b, a)
+
+        b = r"""
+            v =   t
+            v.sort()
+            foo(v)
+            """
+        a = r"""
+            v =   sorted(t)
+            foo(v)
+            """
+        self.check(b, a)
+
+    def test_sort_unchanged(self):
+        s = """
+            v = list(t)
+            w.sort()
+            foo(w)
+            """
+        self.unchanged(s)
+
+        s = """
+            v = list(t)
+            v.sort(u)
+            foo(v)
+            """
+        self.unchanged(s)
+
+class Test_basestring(FixerTestCase):
+    fixer = "basestring"
+
+    def test_basestring(self):
+        b = """isinstance(x, basestring)"""
+        a = """isinstance(x, str)"""
+        self.check(b, a)
+
+class Test_buffer(FixerTestCase):
+    fixer = "buffer"
+
+    def test_buffer(self):
+        b = """x = buffer(y)"""
+        a = """x = memoryview(y)"""
+        self.check(b, a)
+
+    def test_slicing(self):
+        b = """buffer(y)[4:5]"""
+        a = """memoryview(y)[4:5]"""
+        self.check(b, a)
+
+class Test_future(FixerTestCase):
+    fixer = "future"
+
+    def test_future(self):
+        b = """from __future__ import braces"""
+        a = """"""
+        self.check(b, a)
+
+        b = """# comment\nfrom __future__ import braces"""
+        a = """# comment\n"""
+        self.check(b, a)
+
+        b = """from __future__ import braces\n# comment"""
+        a = """\n# comment"""
+        self.check(b, a)
+
+    def test_run_order(self):
+        self.assert_runs_after('print')
+
+class Test_itertools(FixerTestCase):
+    fixer = "itertools"
+
+    def checkall(self, before, after):
+        # Because we need to check with and without the itertools prefix
+        # and on each of the three functions, these loops make it all
+        # much easier
+        for i in ('itertools.', ''):
+            for f in ('map', 'filter', 'zip'):
+                b = before %(i+'i'+f)
+                a = after %(f)
+                self.check(b, a)
+
+    def test_0(self):
+        # A simple example -- test_1 covers exactly the same thing,
+        # but it's not quite as clear.
+        b = "itertools.izip(a, b)"
+        a = "zip(a, b)"
+        self.check(b, a)
+
+    def test_1(self):
+        b = """%s(f, a)"""
+        a = """%s(f, a)"""
+        self.checkall(b, a)
+
+    def test_qualified(self):
+        b = """itertools.ifilterfalse(a, b)"""
+        a = """itertools.filterfalse(a, b)"""
+        self.check(b, a)
+
+        b = """itertools.izip_longest(a, b)"""
+        a = """itertools.zip_longest(a, b)"""
+        self.check(b, a)
+
+    def test_2(self):
+        b = """ifilterfalse(a, b)"""
+        a = """filterfalse(a, b)"""
+        self.check(b, a)
+
+        b = """izip_longest(a, b)"""
+        a = """zip_longest(a, b)"""
+        self.check(b, a)
+
+    def test_space_1(self):
+        b = """    %s(f, a)"""
+        a = """    %s(f, a)"""
+        self.checkall(b, a)
+
+    def test_space_2(self):
+        b = """    itertools.ifilterfalse(a, b)"""
+        a = """    itertools.filterfalse(a, b)"""
+        self.check(b, a)
+
+        b = """    itertools.izip_longest(a, b)"""
+        a = """    itertools.zip_longest(a, b)"""
+        self.check(b, a)
+
+    def test_run_order(self):
+        self.assert_runs_after('map', 'zip', 'filter')
+
+
+class Test_itertools_imports(FixerTestCase):
+    fixer = 'itertools_imports'
+
+    def test_reduced(self):
+        b = "from itertools import imap, izip, foo"
+        a = "from itertools import foo"
+        self.check(b, a)
+
+        b = "from itertools import bar, imap, izip, foo"
+        a = "from itertools import bar, foo"
+        self.check(b, a)
+
+        b = "from itertools import chain, imap, izip"
+        a = "from itertools import chain"
+        self.check(b, a)
+
+    def test_comments(self):
+        b = "#foo\nfrom itertools import imap, izip"
+        a = "#foo\n"
+        self.check(b, a)
+
+    def test_none(self):
+        b = "from itertools import imap, izip"
+        a = ""
+        self.check(b, a)
+
+        b = "from itertools import izip"
+        a = ""
+        self.check(b, a)
+
+    def test_import_as(self):
+        b = "from itertools import izip, bar as bang, imap"
+        a = "from itertools import bar as bang"
+        self.check(b, a)
+
+        b = "from itertools import izip as _zip, imap, bar"
+        a = "from itertools import bar"
+        self.check(b, a)
+
+        b = "from itertools import imap as _map"
+        a = ""
+        self.check(b, a)
+
+        b = "from itertools import imap as _map, izip as _zip"
+        a = ""
+        self.check(b, a)
+
+        s = "from itertools import bar as bang"
+        self.unchanged(s)
+
+    def test_ifilter_and_zip_longest(self):
+        for name in "filterfalse", "zip_longest":
+            b = "from itertools import i%s" % (name,)
+            a = "from itertools import %s" % (name,)
+            self.check(b, a)
+
+            b = "from itertools import imap, i%s, foo" % (name,)
+            a = "from itertools import %s, foo" % (name,)
+            self.check(b, a)
+
+            b = "from itertools import bar, i%s, foo" % (name,)
+            a = "from itertools import bar, %s, foo" % (name,)
+            self.check(b, a)
+
+    def test_import_star(self):
+        s = "from itertools import *"
+        self.unchanged(s)
+
+
+    def test_unchanged(self):
+        s = "from itertools import foo"
+        self.unchanged(s)
+
+
+class Test_import(FixerTestCase):
+    fixer = "import"
+
+    def setUp(self):
+        super(Test_import, self).setUp()
+        # Need to replace fix_import's exists method
+        # so we can check that it's doing the right thing
+        self.files_checked = []
+        self.present_files = set()
+        self.always_exists = True
+        def fake_exists(name):
+            self.files_checked.append(name)
+            return self.always_exists or (name in self.present_files)
+
+        from lib2to3.fixes import fix_import
+        fix_import.exists = fake_exists
+
+    def tearDown(self):
+        from lib2to3.fixes import fix_import
+        fix_import.exists = os.path.exists
+
+    def check_both(self, b, a):
+        self.always_exists = True
+        super(Test_import, self).check(b, a)
+        self.always_exists = False
+        super(Test_import, self).unchanged(b)
+
+    def test_files_checked(self):
+        def p(path):
+            # Takes a unix path and returns a path with correct separators
+            return os.path.pathsep.join(path.split("/"))
+
+        self.always_exists = False
+        self.present_files = set(['__init__.py'])
+        expected_extensions = ('.py', os.path.sep, '.pyc', '.so', '.sl', '.pyd')
+        names_to_test = (p("/spam/eggs.py"), "ni.py", p("../../shrubbery.py"))
+
+        for name in names_to_test:
+            self.files_checked = []
+            self.filename = name
+            self.unchanged("import jam")
+
+            if os.path.dirname(name):
+                name = os.path.dirname(name) + '/jam'
+            else:
+                name = 'jam'
+            expected_checks = set(name + ext for ext in expected_extensions)
+            expected_checks.add("__init__.py")
+
+            self.assertEqual(set(self.files_checked), expected_checks)
+
+    def test_not_in_package(self):
+        s = "import bar"
+        self.always_exists = False
+        self.present_files = set(["bar.py"])
+        self.unchanged(s)
+
+    def test_with_absolute_import_enabled(self):
+        s = "from __future__ import absolute_import\nimport bar"
+        self.always_exists = False
+        self.present_files = set(["__init__.py", "bar.py"])
+        self.unchanged(s)
+
+    def test_in_package(self):
+        b = "import bar"
+        a = "from . import bar"
+        self.always_exists = False
+        self.present_files = set(["__init__.py", "bar.py"])
+        self.check(b, a)
+
+    def test_import_from_package(self):
+        b = "import bar"
+        a = "from . import bar"
+        self.always_exists = False
+        self.present_files = set(["__init__.py", "bar" + os.path.sep])
+        self.check(b, a)
+
+    def test_already_relative_import(self):
+        s = "from . import bar"
+        self.unchanged(s)
+
+    def test_comments_and_indent(self):
+        b = "import bar # Foo"
+        a = "from . import bar # Foo"
+        self.check(b, a)
+
+    def test_from(self):
+        b = "from foo import bar, baz"
+        a = "from .foo import bar, baz"
+        self.check_both(b, a)
+
+        b = "from foo import bar"
+        a = "from .foo import bar"
+        self.check_both(b, a)
+
+        b = "from foo import (bar, baz)"
+        a = "from .foo import (bar, baz)"
+        self.check_both(b, a)
+
+    def test_dotted_from(self):
+        b = "from green.eggs import ham"
+        a = "from .green.eggs import ham"
+        self.check_both(b, a)
+
+    def test_from_as(self):
+        b = "from green.eggs import ham as spam"
+        a = "from .green.eggs import ham as spam"
+        self.check_both(b, a)
+
+    def test_import(self):
+        b = "import foo"
+        a = "from . import foo"
+        self.check_both(b, a)
+
+        b = "import foo, bar"
+        a = "from . import foo, bar"
+        self.check_both(b, a)
+
+        b = "import foo, bar, x"
+        a = "from . import foo, bar, x"
+        self.check_both(b, a)
+
+        b = "import x, y, z"
+        a = "from . import x, y, z"
+        self.check_both(b, a)
+
+    def test_import_as(self):
+        b = "import foo as x"
+        a = "from . import foo as x"
+        self.check_both(b, a)
+
+        b = "import a as b, b as c, c as d"
+        a = "from . import a as b, b as c, c as d"
+        self.check_both(b, a)
+
+    def test_local_and_absolute(self):
+        self.always_exists = False
+        self.present_files = set(["foo.py", "__init__.py"])
+
+        s = "import foo, bar"
+        self.warns_unchanged(s, "absolute and local imports together")
+
+    def test_dotted_import(self):
+        b = "import foo.bar"
+        a = "from . import foo.bar"
+        self.check_both(b, a)
+
+    def test_dotted_import_as(self):
+        b = "import foo.bar as bang"
+        a = "from . import foo.bar as bang"
+        self.check_both(b, a)
+
+    def test_prefix(self):
+        b = """
+        # prefix
+        import foo.bar
+        """
+        a = """
+        # prefix
+        from . import foo.bar
+        """
+        self.check_both(b, a)
+
+
+class Test_set_literal(FixerTestCase):
+
+    fixer = "set_literal"
+
+    def test_basic(self):
+        b = """set([1, 2, 3])"""
+        a = """{1, 2, 3}"""
+        self.check(b, a)
+
+        b = """set((1, 2, 3))"""
+        a = """{1, 2, 3}"""
+        self.check(b, a)
+
+        b = """set((1,))"""
+        a = """{1}"""
+        self.check(b, a)
+
+        b = """set([1])"""
+        self.check(b, a)
+
+        b = """set((a, b))"""
+        a = """{a, b}"""
+        self.check(b, a)
+
+        b = """set([a, b])"""
+        self.check(b, a)
+
+        b = """set((a*234, f(args=23)))"""
+        a = """{a*234, f(args=23)}"""
+        self.check(b, a)
+
+        b = """set([a*23, f(23)])"""
+        a = """{a*23, f(23)}"""
+        self.check(b, a)
+
+        b = """set([a-234**23])"""
+        a = """{a-234**23}"""
+        self.check(b, a)
+
+    def test_listcomps(self):
+        b = """set([x for x in y])"""
+        a = """{x for x in y}"""
+        self.check(b, a)
+
+        b = """set([x for x in y if x == m])"""
+        a = """{x for x in y if x == m}"""
+        self.check(b, a)
+
+        b = """set([x for x in y for a in b])"""
+        a = """{x for x in y for a in b}"""
+        self.check(b, a)
+
+        b = """set([f(x) - 23 for x in y])"""
+        a = """{f(x) - 23 for x in y}"""
+        self.check(b, a)
+
+    def test_whitespace(self):
+        b = """set( [1, 2])"""
+        a = """{1, 2}"""
+        self.check(b, a)
+
+        b = """set([1 ,  2])"""
+        a = """{1 ,  2}"""
+        self.check(b, a)
+
+        b = """set([ 1 ])"""
+        a = """{ 1 }"""
+        self.check(b, a)
+
+        b = """set( [1] )"""
+        a = """{1}"""
+        self.check(b, a)
+
+        b = """set([  1,  2  ])"""
+        a = """{  1,  2  }"""
+        self.check(b, a)
+
+        b = """set([x  for x in y ])"""
+        a = """{x  for x in y }"""
+        self.check(b, a)
+
+        b = """set(
+                   [1, 2]
+               )
+            """
+        a = """{1, 2}\n"""
+        self.check(b, a)
+
+    def test_comments(self):
+        b = """set((1, 2)) # Hi"""
+        a = """{1, 2} # Hi"""
+        self.check(b, a)
+
+        # This isn't optimal behavior, but the fixer is optional.
+        b = """
+            # Foo
+            set( # Bar
+               (1, 2)
+            )
+            """
+        a = """
+            # Foo
+            {1, 2}
+            """
+        self.check(b, a)
+
+    def test_unchanged(self):
+        s = """set()"""
+        self.unchanged(s)
+
+        s = """set(a)"""
+        self.unchanged(s)
+
+        s = """set(a, b, c)"""
+        self.unchanged(s)
+
+        # Don't transform generators because they might have to be lazy.
+        s = """set(x for x in y)"""
+        self.unchanged(s)
+
+        s = """set(x for x in y if z)"""
+        self.unchanged(s)
+
+        s = """set(a*823-23**2 + f(23))"""
+        self.unchanged(s)
+
+
+class Test_sys_exc(FixerTestCase):
+    fixer = "sys_exc"
+
+    def test_0(self):
+        b = "sys.exc_type"
+        a = "sys.exc_info()[0]"
+        self.check(b, a)
+
+    def test_1(self):
+        b = "sys.exc_value"
+        a = "sys.exc_info()[1]"
+        self.check(b, a)
+
+    def test_2(self):
+        b = "sys.exc_traceback"
+        a = "sys.exc_info()[2]"
+        self.check(b, a)
+
+    def test_3(self):
+        b = "sys.exc_type # Foo"
+        a = "sys.exc_info()[0] # Foo"
+        self.check(b, a)
+
+    def test_4(self):
+        b = "sys.  exc_type"
+        a = "sys.  exc_info()[0]"
+        self.check(b, a)
+
+    def test_5(self):
+        b = "sys  .exc_type"
+        a = "sys  .exc_info()[0]"
+        self.check(b, a)
+
+
+class Test_paren(FixerTestCase):
+    fixer = "paren"
+
+    def test_0(self):
+        b = """[i for i in 1, 2 ]"""
+        a = """[i for i in (1, 2) ]"""
+        self.check(b, a)
+
+    def test_1(self):
+        b = """[i for i in 1, 2, ]"""
+        a = """[i for i in (1, 2,) ]"""
+        self.check(b, a)
+
+    def test_2(self):
+        b = """[i for i  in     1, 2 ]"""
+        a = """[i for i  in     (1, 2) ]"""
+        self.check(b, a)
+
+    def test_3(self):
+        b = """[i for i in 1, 2 if i]"""
+        a = """[i for i in (1, 2) if i]"""
+        self.check(b, a)
+
+    def test_4(self):
+        b = """[i for i in 1,    2    ]"""
+        a = """[i for i in (1,    2)    ]"""
+        self.check(b, a)
+
+    def test_5(self):
+        b = """(i for i in 1, 2)"""
+        a = """(i for i in (1, 2))"""
+        self.check(b, a)
+
+    def test_6(self):
+        b = """(i for i in 1   ,2   if i)"""
+        a = """(i for i in (1   ,2)   if i)"""
+        self.check(b, a)
+
+    def test_unchanged_0(self):
+        s = """[i for i in (1, 2)]"""
+        self.unchanged(s)
+
+    def test_unchanged_1(self):
+        s = """[i for i in foo()]"""
+        self.unchanged(s)
+
+    def test_unchanged_2(self):
+        s = """[i for i in (1, 2) if nothing]"""
+        self.unchanged(s)
+
+    def test_unchanged_3(self):
+        s = """(i for i in (1, 2))"""
+        self.unchanged(s)
+
+    def test_unchanged_4(self):
+        s = """[i for i in m]"""
+        self.unchanged(s)
+
+class Test_metaclass(FixerTestCase):
+
+    fixer = 'metaclass'
+
+    def test_unchanged(self):
+        self.unchanged("class X(): pass")
+        self.unchanged("class X(object): pass")
+        self.unchanged("class X(object1, object2): pass")
+        self.unchanged("class X(object1, object2, object3): pass")
+        self.unchanged("class X(metaclass=Meta): pass")
+        self.unchanged("class X(b, arg=23, metclass=Meta): pass")
+        self.unchanged("class X(b, arg=23, metaclass=Meta, other=42): pass")
+
+        s = """
+        class X:
+            def __metaclass__(self): pass
+        """
+        self.unchanged(s)
+
+        s = """
+        class X:
+            a[23] = 74
+        """
+        self.unchanged(s)
+
+    def test_comments(self):
+        b = """
+        class X:
+            # hi
+            __metaclass__ = AppleMeta
+        """
+        a = """
+        class X(metaclass=AppleMeta):
+            # hi
+            pass
+        """
+        self.check(b, a)
+
+        b = """
+        class X:
+            __metaclass__ = Meta
+            # Bedtime!
+        """
+        a = """
+        class X(metaclass=Meta):
+            pass
+            # Bedtime!
+        """
+        self.check(b, a)
+
+    def test_meta(self):
+        # no-parent class, odd body
+        b = """
+        class X():
+            __metaclass__ = Q
+            pass
+        """
+        a = """
+        class X(metaclass=Q):
+            pass
+        """
+        self.check(b, a)
+
+        # one parent class, no body
+        b = """class X(object): __metaclass__ = Q"""
+        a = """class X(object, metaclass=Q): pass"""
+        self.check(b, a)
+
+
+        # one parent, simple body
+        b = """
+        class X(object):
+            __metaclass__ = Meta
+            bar = 7
+        """
+        a = """
+        class X(object, metaclass=Meta):
+            bar = 7
+        """
+        self.check(b, a)
+
+        b = """
+        class X:
+            __metaclass__ = Meta; x = 4; g = 23
+        """
+        a = """
+        class X(metaclass=Meta):
+            x = 4; g = 23
+        """
+        self.check(b, a)
+
+        # one parent, simple body, __metaclass__ last
+        b = """
+        class X(object):
+            bar = 7
+            __metaclass__ = Meta
+        """
+        a = """
+        class X(object, metaclass=Meta):
+            bar = 7
+        """
+        self.check(b, a)
+
+        # redefining __metaclass__
+        b = """
+        class X():
+            __metaclass__ = A
+            __metaclass__ = B
+            bar = 7
+        """
+        a = """
+        class X(metaclass=B):
+            bar = 7
+        """
+        self.check(b, a)
+
+        # multiple inheritance, simple body
+        b = """
+        class X(clsA, clsB):
+            __metaclass__ = Meta
+            bar = 7
+        """
+        a = """
+        class X(clsA, clsB, metaclass=Meta):
+            bar = 7
+        """
+        self.check(b, a)
+
+        # keywords in the class statement
+        b = """class m(a, arg=23): __metaclass__ = Meta"""
+        a = """class m(a, arg=23, metaclass=Meta): pass"""
+        self.check(b, a)
+
+        b = """
+        class X(expression(2 + 4)):
+            __metaclass__ = Meta
+        """
+        a = """
+        class X(expression(2 + 4), metaclass=Meta):
+            pass
+        """
+        self.check(b, a)
+
+        b = """
+        class X(expression(2 + 4), x**4):
+            __metaclass__ = Meta
+        """
+        a = """
+        class X(expression(2 + 4), x**4, metaclass=Meta):
+            pass
+        """
+        self.check(b, a)
+
+        b = """
+        class X:
+            __metaclass__ = Meta
+            save.py = 23
+        """
+        a = """
+        class X(metaclass=Meta):
+            save.py = 23
+        """
+        self.check(b, a)
+
+
+class Test_getcwdu(FixerTestCase):
+
+    fixer = 'getcwdu'
+
+    def test_basic(self):
+        b = """os.getcwdu"""
+        a = """os.getcwd"""
+        self.check(b, a)
+
+        b = """os.getcwdu()"""
+        a = """os.getcwd()"""
+        self.check(b, a)
+
+        b = """meth = os.getcwdu"""
+        a = """meth = os.getcwd"""
+        self.check(b, a)
+
+        b = """os.getcwdu(args)"""
+        a = """os.getcwd(args)"""
+        self.check(b, a)
+
+    def test_comment(self):
+        b = """os.getcwdu() # Foo"""
+        a = """os.getcwd() # Foo"""
+        self.check(b, a)
+
+    def test_unchanged(self):
+        s = """os.getcwd()"""
+        self.unchanged(s)
+
+        s = """getcwdu()"""
+        self.unchanged(s)
+
+        s = """os.getcwdb()"""
+        self.unchanged(s)
+
+    def test_indentation(self):
+        b = """
+            if 1:
+                os.getcwdu()
+            """
+        a = """
+            if 1:
+                os.getcwd()
+            """
+        self.check(b, a)
+
+    def test_multilation(self):
+        b = """os .getcwdu()"""
+        a = """os .getcwd()"""
+        self.check(b, a)
+
+        b = """os.  getcwdu"""
+        a = """os.  getcwd"""
+        self.check(b, a)
+
+        b = """os.getcwdu (  )"""
+        a = """os.getcwd (  )"""
+        self.check(b, a)
+
+
+class Test_operator(FixerTestCase):
+
+    fixer = "operator"
+
+    def test_operator_isCallable(self):
+        b = "operator.isCallable(x)"
+        a = "hasattr(x, '__call__')"
+        self.check(b, a)
+
+    def test_operator_sequenceIncludes(self):
+        b = "operator.sequenceIncludes(x, y)"
+        a = "operator.contains(x, y)"
+        self.check(b, a)
+
+        b = "operator .sequenceIncludes(x, y)"
+        a = "operator .contains(x, y)"
+        self.check(b, a)
+
+        b = "operator.  sequenceIncludes(x, y)"
+        a = "operator.  contains(x, y)"
+        self.check(b, a)
+
+    def test_operator_isSequenceType(self):
+        b = "operator.isSequenceType(x)"
+        a = "import collections\nisinstance(x, collections.Sequence)"
+        self.check(b, a)
+
+    def test_operator_isMappingType(self):
+        b = "operator.isMappingType(x)"
+        a = "import collections\nisinstance(x, collections.Mapping)"
+        self.check(b, a)
+
+    def test_operator_isNumberType(self):
+        b = "operator.isNumberType(x)"
+        a = "import numbers\nisinstance(x, numbers.Number)"
+        self.check(b, a)
+
+    def test_operator_repeat(self):
+        b = "operator.repeat(x, n)"
+        a = "operator.mul(x, n)"
+        self.check(b, a)
+
+        b = "operator .repeat(x, n)"
+        a = "operator .mul(x, n)"
+        self.check(b, a)
+
+        b = "operator.  repeat(x, n)"
+        a = "operator.  mul(x, n)"
+        self.check(b, a)
+
+    def test_operator_irepeat(self):
+        b = "operator.irepeat(x, n)"
+        a = "operator.imul(x, n)"
+        self.check(b, a)
+
+        b = "operator .irepeat(x, n)"
+        a = "operator .imul(x, n)"
+        self.check(b, a)
+
+        b = "operator.  irepeat(x, n)"
+        a = "operator.  imul(x, n)"
+        self.check(b, a)
+
+    def test_bare_isCallable(self):
+        s = "isCallable(x)"
+        t = "You should use 'hasattr(x, '__call__')' here."
+        self.warns_unchanged(s, t)
+
+    def test_bare_sequenceIncludes(self):
+        s = "sequenceIncludes(x, y)"
+        t = "You should use 'operator.contains(x, y)' here."
+        self.warns_unchanged(s, t)
+
+    def test_bare_operator_isSequenceType(self):
+        s = "isSequenceType(z)"
+        t = "You should use 'isinstance(z, collections.Sequence)' here."
+        self.warns_unchanged(s, t)
+
+    def test_bare_operator_isMappingType(self):
+        s = "isMappingType(x)"
+        t = "You should use 'isinstance(x, collections.Mapping)' here."
+        self.warns_unchanged(s, t)
+
+    def test_bare_operator_isNumberType(self):
+        s = "isNumberType(y)"
+        t = "You should use 'isinstance(y, numbers.Number)' here."
+        self.warns_unchanged(s, t)
+
+    def test_bare_operator_repeat(self):
+        s = "repeat(x, n)"
+        t = "You should use 'operator.mul(x, n)' here."
+        self.warns_unchanged(s, t)
+
+    def test_bare_operator_irepeat(self):
+        s = "irepeat(y, 187)"
+        t = "You should use 'operator.imul(y, 187)' here."
+        self.warns_unchanged(s, t)
+
+
+class Test_exitfunc(FixerTestCase):
+
+    fixer = "exitfunc"
+
+    def test_simple(self):
+        b = """
+            import sys
+            sys.exitfunc = my_atexit
+            """
+        a = """
+            import sys
+            import atexit
+            atexit.register(my_atexit)
+            """
+        self.check(b, a)
+
+    def test_names_import(self):
+        b = """
+            import sys, crumbs
+            sys.exitfunc = my_func
+            """
+        a = """
+            import sys, crumbs, atexit
+            atexit.register(my_func)
+            """
+        self.check(b, a)
+
+    def test_complex_expression(self):
+        b = """
+            import sys
+            sys.exitfunc = do(d)/a()+complex(f=23, g=23)*expression
+            """
+        a = """
+            import sys
+            import atexit
+            atexit.register(do(d)/a()+complex(f=23, g=23)*expression)
+            """
+        self.check(b, a)
+
+    def test_comments(self):
+        b = """
+            import sys # Foo
+            sys.exitfunc = f # Blah
+            """
+        a = """
+            import sys
+            import atexit # Foo
+            atexit.register(f) # Blah
+            """
+        self.check(b, a)
+
+        b = """
+            import apples, sys, crumbs, larry # Pleasant comments
+            sys.exitfunc = func
+            """
+        a = """
+            import apples, sys, crumbs, larry, atexit # Pleasant comments
+            atexit.register(func)
+            """
+        self.check(b, a)
+
+    def test_in_a_function(self):
+        b = """
+            import sys
+            def f():
+                sys.exitfunc = func
+            """
+        a = """
+            import sys
+            import atexit
+            def f():
+                atexit.register(func)
+             """
+        self.check(b, a)
+
+    def test_no_sys_import(self):
+        b = """sys.exitfunc = f"""
+        a = """atexit.register(f)"""
+        msg = ("Can't find sys import; Please add an atexit import at the "
+            "top of your file.")
+        self.warns(b, a, msg)
+
+
+    def test_unchanged(self):
+        s = """f(sys.exitfunc)"""
+        self.unchanged(s)
+
+
+class Test_asserts(FixerTestCase):
+
+    fixer = "asserts"
+
+    def test_deprecated_names(self):
+        tests = [
+            ('self.assert_(True)', 'self.assertTrue(True)'),
+            ('self.assertEquals(2, 2)', 'self.assertEqual(2, 2)'),
+            ('self.assertNotEquals(2, 3)', 'self.assertNotEqual(2, 3)'),
+            ('self.assertAlmostEquals(2, 3)', 'self.assertAlmostEqual(2, 3)'),
+            ('self.assertNotAlmostEquals(2, 8)', 'self.assertNotAlmostEqual(2, 8)'),
+            ('self.failUnlessEqual(2, 2)', 'self.assertEqual(2, 2)'),
+            ('self.failIfEqual(2, 3)', 'self.assertNotEqual(2, 3)'),
+            ('self.failUnlessAlmostEqual(2, 3)', 'self.assertAlmostEqual(2, 3)'),
+            ('self.failIfAlmostEqual(2, 8)', 'self.assertNotAlmostEqual(2, 8)'),
+            ('self.failUnless(True)', 'self.assertTrue(True)'),
+            ('self.failUnlessRaises(foo)', 'self.assertRaises(foo)'),
+            ('self.failIf(False)', 'self.assertFalse(False)'),
+        ]
+        for b, a in tests:
+            self.check(b, a)
+
+    def test_variants(self):
+        b = 'eq = self.assertEquals'
+        a = 'eq = self.assertEqual'
+        self.check(b, a)
+        b = 'self.assertEquals(2, 3, msg="fail")'
+        a = 'self.assertEqual(2, 3, msg="fail")'
+        self.check(b, a)
+        b = 'self.assertEquals(2, 3, msg="fail") # foo'
+        a = 'self.assertEqual(2, 3, msg="fail") # foo'
+        self.check(b, a)
+        b = 'self.assertEquals (2, 3)'
+        a = 'self.assertEqual (2, 3)'
+        self.check(b, a)
+        b = '  self.assertEquals (2, 3)'
+        a = '  self.assertEqual (2, 3)'
+        self.check(b, a)
+        b = 'with self.failUnlessRaises(Explosion): explode()'
+        a = 'with self.assertRaises(Explosion): explode()'
+        self.check(b, a)
+        b = 'with self.failUnlessRaises(Explosion) as cm: explode()'
+        a = 'with self.assertRaises(Explosion) as cm: explode()'
+        self.check(b, a)
+
+    def test_unchanged(self):
+        self.unchanged('self.assertEqualsOnSaturday')
+        self.unchanged('self.assertEqualsOnSaturday(3, 5)')
diff --git a/lib/python2.7/lib2to3/tests/test_main.py b/lib/python2.7/lib2to3/tests/test_main.py
new file mode 100644
index 0000000..04131cf
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/test_main.py
@@ -0,0 +1,149 @@
+# -*- coding: utf-8 -*-
+import sys
+import codecs
+import logging
+import os
+import re
+import shutil
+import StringIO
+import sys
+import tempfile
+import unittest
+
+from lib2to3 import main
+
+
+TEST_DATA_DIR = os.path.join(os.path.dirname(__file__), "data")
+PY2_TEST_MODULE = os.path.join(TEST_DATA_DIR, "py2_test_grammar.py")
+
+
+class TestMain(unittest.TestCase):
+
+    if not hasattr(unittest.TestCase, 'assertNotRegex'):
+        # This method was only introduced in 3.2.
+        def assertNotRegex(self, text, regexp, msg=None):
+            import re
+            if not hasattr(regexp, 'search'):
+                regexp = re.compile(regexp)
+            if regexp.search(text):
+                self.fail("regexp %s MATCHED text %r" % (regexp.pattern, text))
+
+    def setUp(self):
+        self.temp_dir = None  # tearDown() will rmtree this directory if set.
+
+    def tearDown(self):
+        # Clean up logging configuration down by main.
+        del logging.root.handlers[:]
+        if self.temp_dir:
+            shutil.rmtree(self.temp_dir)
+
+    def run_2to3_capture(self, args, in_capture, out_capture, err_capture):
+        save_stdin = sys.stdin
+        save_stdout = sys.stdout
+        save_stderr = sys.stderr
+        sys.stdin = in_capture
+        sys.stdout = out_capture
+        sys.stderr = err_capture
+        try:
+            return main.main("lib2to3.fixes", args)
+        finally:
+            sys.stdin = save_stdin
+            sys.stdout = save_stdout
+            sys.stderr = save_stderr
+
+    def test_unencodable_diff(self):
+        input_stream = StringIO.StringIO(u"print 'nothing'\nprint u'über'\n")
+        out = StringIO.StringIO()
+        out_enc = codecs.getwriter("ascii")(out)
+        err = StringIO.StringIO()
+        ret = self.run_2to3_capture(["-"], input_stream, out_enc, err)
+        self.assertEqual(ret, 0)
+        output = out.getvalue()
+        self.assertIn("-print 'nothing'", output)
+        self.assertIn("WARNING: couldn't encode <stdin>'s diff for "
+                      "your terminal", err.getvalue())
+
+    def setup_test_source_trees(self):
+        """Setup a test source tree and output destination tree."""
+        self.temp_dir = tempfile.mkdtemp()  # tearDown() cleans this up.
+        self.py2_src_dir = os.path.join(self.temp_dir, "python2_project")
+        self.py3_dest_dir = os.path.join(self.temp_dir, "python3_project")
+        os.mkdir(self.py2_src_dir)
+        os.mkdir(self.py3_dest_dir)
+        # Turn it into a package with a few files.
+        self.setup_files = []
+        open(os.path.join(self.py2_src_dir, "__init__.py"), "w").close()
+        self.setup_files.append("__init__.py")
+        shutil.copy(PY2_TEST_MODULE, self.py2_src_dir)
+        self.setup_files.append(os.path.basename(PY2_TEST_MODULE))
+        self.trivial_py2_file = os.path.join(self.py2_src_dir, "trivial.py")
+        self.init_py2_file = os.path.join(self.py2_src_dir, "__init__.py")
+        with open(self.trivial_py2_file, "w") as trivial:
+            trivial.write("print 'I need a simple conversion.'")
+        self.setup_files.append("trivial.py")
+
+    def test_filename_changing_on_output_single_dir(self):
+        """2to3 a single directory with a new output dir and suffix."""
+        self.setup_test_source_trees()
+        out = StringIO.StringIO()
+        err = StringIO.StringIO()
+        suffix = "TEST"
+        ret = self.run_2to3_capture(
+                ["-n", "--add-suffix", suffix, "--write-unchanged-files",
+                 "--no-diffs", "--output-dir",
+                 self.py3_dest_dir, self.py2_src_dir],
+                StringIO.StringIO(""), out, err)
+        self.assertEqual(ret, 0)
+        stderr = err.getvalue()
+        self.assertIn(" implies -w.", stderr)
+        self.assertIn(
+                "Output in %r will mirror the input directory %r layout" % (
+                        self.py3_dest_dir, self.py2_src_dir), stderr)
+        self.assertEqual(set(name+suffix for name in self.setup_files),
+                         set(os.listdir(self.py3_dest_dir)))
+        for name in self.setup_files:
+            self.assertIn("Writing converted %s to %s" % (
+                    os.path.join(self.py2_src_dir, name),
+                    os.path.join(self.py3_dest_dir, name+suffix)), stderr)
+        sep = re.escape(os.sep)
+        self.assertRegexpMatches(
+                stderr, r"No changes to .*/__init__\.py".replace("/", sep))
+        self.assertNotRegex(
+                stderr, r"No changes to .*/trivial\.py".replace("/", sep))
+
+    def test_filename_changing_on_output_two_files(self):
+        """2to3 two files in one directory with a new output dir."""
+        self.setup_test_source_trees()
+        err = StringIO.StringIO()
+        py2_files = [self.trivial_py2_file, self.init_py2_file]
+        expected_files = set(os.path.basename(name) for name in py2_files)
+        ret = self.run_2to3_capture(
+                ["-n", "-w", "--write-unchanged-files",
+                 "--no-diffs", "--output-dir", self.py3_dest_dir] + py2_files,
+                StringIO.StringIO(""), StringIO.StringIO(), err)
+        self.assertEqual(ret, 0)
+        stderr = err.getvalue()
+        self.assertIn(
+                "Output in %r will mirror the input directory %r layout" % (
+                        self.py3_dest_dir, self.py2_src_dir), stderr)
+        self.assertEqual(expected_files, set(os.listdir(self.py3_dest_dir)))
+
+    def test_filename_changing_on_output_single_file(self):
+        """2to3 a single file with a new output dir."""
+        self.setup_test_source_trees()
+        err = StringIO.StringIO()
+        ret = self.run_2to3_capture(
+                ["-n", "-w", "--no-diffs", "--output-dir", self.py3_dest_dir,
+                 self.trivial_py2_file],
+                StringIO.StringIO(""), StringIO.StringIO(), err)
+        self.assertEqual(ret, 0)
+        stderr = err.getvalue()
+        self.assertIn(
+                "Output in %r will mirror the input directory %r layout" % (
+                        self.py3_dest_dir, self.py2_src_dir), stderr)
+        self.assertEqual(set([os.path.basename(self.trivial_py2_file)]),
+                         set(os.listdir(self.py3_dest_dir)))
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/lib/python2.7/lib2to3/tests/test_parser.py b/lib/python2.7/lib2to3/tests/test_parser.py
new file mode 100644
index 0000000..ebf8441
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/test_parser.py
@@ -0,0 +1,343 @@
+"""Test suite for 2to3's parser and grammar files.
+
+This is the place to add tests for changes to 2to3's grammar, such as those
+merging the grammars for Python 2 and 3. In addition to specific tests for
+parts of the grammar we've changed, we also make sure we can parse the
+test_grammar.py files from both Python 2 and Python 3.
+"""
+
+# Testing imports
+from . import support
+from .support import driver, test_dir
+
+# Python imports
+import os
+import shutil
+import subprocess
+import sys
+import tempfile
+import unittest
+
+# Local imports
+from lib2to3.pgen2 import driver as pgen2_driver
+from lib2to3.pgen2 import tokenize
+from ..pgen2.parse import ParseError
+from lib2to3.pygram import python_symbols as syms
+
+
+class TestDriver(support.TestCase):
+
+    def test_formfeed(self):
+        s = """print 1\n\x0Cprint 2\n"""
+        t = driver.parse_string(s)
+        self.assertEqual(t.children[0].children[0].type, syms.print_stmt)
+        self.assertEqual(t.children[1].children[0].type, syms.print_stmt)
+
+
+class TestPgen2Caching(support.TestCase):
+    def test_load_grammar_from_txt_file(self):
+        pgen2_driver.load_grammar(support.grammar_path, save=False, force=True)
+
+    def test_load_grammar_from_pickle(self):
+        # Make a copy of the grammar file in a temp directory we are
+        # guaranteed to be able to write to.
+        tmpdir = tempfile.mkdtemp()
+        try:
+            grammar_copy = os.path.join(
+                    tmpdir, os.path.basename(support.grammar_path))
+            shutil.copy(support.grammar_path, grammar_copy)
+            pickle_name = pgen2_driver._generate_pickle_name(grammar_copy)
+
+            pgen2_driver.load_grammar(grammar_copy, save=True, force=True)
+            self.assertTrue(os.path.exists(pickle_name))
+
+            os.unlink(grammar_copy)  # Only the pickle remains...
+            pgen2_driver.load_grammar(grammar_copy, save=False, force=False)
+        finally:
+            shutil.rmtree(tmpdir)
+
+    @unittest.skipIf(sys.executable is None, 'sys.executable required')
+    def test_load_grammar_from_subprocess(self):
+        tmpdir = tempfile.mkdtemp()
+        tmpsubdir = os.path.join(tmpdir, 'subdir')
+        try:
+            os.mkdir(tmpsubdir)
+            grammar_base = os.path.basename(support.grammar_path)
+            grammar_copy = os.path.join(tmpdir, grammar_base)
+            grammar_sub_copy = os.path.join(tmpsubdir, grammar_base)
+            shutil.copy(support.grammar_path, grammar_copy)
+            shutil.copy(support.grammar_path, grammar_sub_copy)
+            pickle_name = pgen2_driver._generate_pickle_name(grammar_copy)
+            pickle_sub_name = pgen2_driver._generate_pickle_name(
+                     grammar_sub_copy)
+            self.assertNotEqual(pickle_name, pickle_sub_name)
+
+            # Generate a pickle file from this process.
+            pgen2_driver.load_grammar(grammar_copy, save=True, force=True)
+            self.assertTrue(os.path.exists(pickle_name))
+
+            # Generate a new pickle file in a subprocess with a most likely
+            # different hash randomization seed.
+            sub_env = dict(os.environ)
+            sub_env['PYTHONHASHSEED'] = 'random'
+            subprocess.check_call(
+                    [sys.executable, '-c', """
+from lib2to3.pgen2 import driver as pgen2_driver
+pgen2_driver.load_grammar(%r, save=True, force=True)
+                    """ % (grammar_sub_copy,)],
+                    env=sub_env)
+            self.assertTrue(os.path.exists(pickle_sub_name))
+
+            with open(pickle_name, 'rb') as pickle_f_1, \
+                    open(pickle_sub_name, 'rb') as pickle_f_2:
+                self.assertEqual(
+                    pickle_f_1.read(), pickle_f_2.read(),
+                    msg='Grammar caches generated using different hash seeds'
+                    ' were not identical.')
+        finally:
+            shutil.rmtree(tmpdir)
+
+
+
+class GrammarTest(support.TestCase):
+    def validate(self, code):
+        support.parse_string(code)
+
+    def invalid_syntax(self, code):
+        try:
+            self.validate(code)
+        except ParseError:
+            pass
+        else:
+            raise AssertionError("Syntax shouldn't have been valid")
+
+
+class TestMatrixMultiplication(GrammarTest):
+    def test_matrix_multiplication_operator(self):
+        self.validate("a @ b")
+        self.validate("a @= b")
+
+
+class TestYieldFrom(GrammarTest):
+    def test_matrix_multiplication_operator(self):
+        self.validate("yield from x")
+        self.validate("(yield from x) + y")
+        self.invalid_syntax("yield from")
+
+
+class TestRaiseChanges(GrammarTest):
+    def test_2x_style_1(self):
+        self.validate("raise")
+
+    def test_2x_style_2(self):
+        self.validate("raise E, V")
+
+    def test_2x_style_3(self):
+        self.validate("raise E, V, T")
+
+    def test_2x_style_invalid_1(self):
+        self.invalid_syntax("raise E, V, T, Z")
+
+    def test_3x_style(self):
+        self.validate("raise E1 from E2")
+
+    def test_3x_style_invalid_1(self):
+        self.invalid_syntax("raise E, V from E1")
+
+    def test_3x_style_invalid_2(self):
+        self.invalid_syntax("raise E from E1, E2")
+
+    def test_3x_style_invalid_3(self):
+        self.invalid_syntax("raise from E1, E2")
+
+    def test_3x_style_invalid_4(self):
+        self.invalid_syntax("raise E from")
+
+
+# Modelled after Lib/test/test_grammar.py:TokenTests.test_funcdef issue2292
+# and Lib/test/text_parser.py test_list_displays, test_set_displays,
+# test_dict_displays, test_argument_unpacking, ... changes.
+class TestUnpackingGeneralizations(GrammarTest):
+    def test_mid_positional_star(self):
+        self.validate("""func(1, *(2, 3), 4)""")
+
+    def test_double_star_dict_literal(self):
+        self.validate("""func(**{'eggs':'scrambled', 'spam':'fried'})""")
+
+    def test_double_star_dict_literal_after_keywords(self):
+        self.validate("""func(spam='fried', **{'eggs':'scrambled'})""")
+
+    def test_list_display(self):
+        self.validate("""[*{2}, 3, *[4]]""")
+
+    def test_set_display(self):
+        self.validate("""{*{2}, 3, *[4]}""")
+
+    def test_dict_display_1(self):
+        self.validate("""{**{}}""")
+
+    def test_dict_display_2(self):
+        self.validate("""{**{}, 3:4, **{5:6, 7:8}}""")
+
+    def test_argument_unpacking_1(self):
+        self.validate("""f(a, *b, *c, d)""")
+
+    def test_argument_unpacking_2(self):
+        self.validate("""f(**a, **b)""")
+
+    def test_argument_unpacking_3(self):
+        self.validate("""f(2, *a, *b, **b, **c, **d)""")
+
+
+# Adaptated from Python 3's Lib/test/test_grammar.py:GrammarTests.testFuncdef
+class TestFunctionAnnotations(GrammarTest):
+    def test_1(self):
+        self.validate("""def f(x) -> list: pass""")
+
+    def test_2(self):
+        self.validate("""def f(x:int): pass""")
+
+    def test_3(self):
+        self.validate("""def f(*x:str): pass""")
+
+    def test_4(self):
+        self.validate("""def f(**x:float): pass""")
+
+    def test_5(self):
+        self.validate("""def f(x, y:1+2): pass""")
+
+    def test_6(self):
+        self.validate("""def f(a, (b:1, c:2, d)): pass""")
+
+    def test_7(self):
+        self.validate("""def f(a, (b:1, c:2, d), e:3=4, f=5, *g:6): pass""")
+
+    def test_8(self):
+        s = """def f(a, (b:1, c:2, d), e:3=4, f=5,
+                        *g:6, h:7, i=8, j:9=10, **k:11) -> 12: pass"""
+        self.validate(s)
+
+
+class TestExcept(GrammarTest):
+    def test_new(self):
+        s = """
+            try:
+                x
+            except E as N:
+                y"""
+        self.validate(s)
+
+    def test_old(self):
+        s = """
+            try:
+                x
+            except E, N:
+                y"""
+        self.validate(s)
+
+
+# Adapted from Python 3's Lib/test/test_grammar.py:GrammarTests.testAtoms
+class TestSetLiteral(GrammarTest):
+    def test_1(self):
+        self.validate("""x = {'one'}""")
+
+    def test_2(self):
+        self.validate("""x = {'one', 1,}""")
+
+    def test_3(self):
+        self.validate("""x = {'one', 'two', 'three'}""")
+
+    def test_4(self):
+        self.validate("""x = {2, 3, 4,}""")
+
+
+class TestNumericLiterals(GrammarTest):
+    def test_new_octal_notation(self):
+        self.validate("""0o7777777777777""")
+        self.invalid_syntax("""0o7324528887""")
+
+    def test_new_binary_notation(self):
+        self.validate("""0b101010""")
+        self.invalid_syntax("""0b0101021""")
+
+
+class TestClassDef(GrammarTest):
+    def test_new_syntax(self):
+        self.validate("class B(t=7): pass")
+        self.validate("class B(t, *args): pass")
+        self.validate("class B(t, **kwargs): pass")
+        self.validate("class B(t, *args, **kwargs): pass")
+        self.validate("class B(t, y=9, *args, **kwargs): pass")
+
+
+class TestParserIdempotency(support.TestCase):
+
+    """A cut-down version of pytree_idempotency.py."""
+
+    def test_all_project_files(self):
+        if sys.platform.startswith("win"):
+            # XXX something with newlines goes wrong on Windows.
+            return
+        for filepath in support.all_project_files():
+            with open(filepath, "rb") as fp:
+                encoding = tokenize.detect_encoding(fp.readline)[0]
+            self.assertIsNotNone(encoding,
+                                 "can't detect encoding for %s" % filepath)
+            with open(filepath, "r") as fp:
+                source = fp.read()
+                source = source.decode(encoding)
+            tree = driver.parse_string(source)
+            new = unicode(tree)
+            if diff(filepath, new, encoding):
+                self.fail("Idempotency failed: %s" % filepath)
+
+    def test_extended_unpacking(self):
+        driver.parse_string("a, *b, c = x\n")
+        driver.parse_string("[*a, b] = x\n")
+        driver.parse_string("(z, *y, w) = m\n")
+        driver.parse_string("for *z, m in d: pass\n")
+
+class TestLiterals(GrammarTest):
+
+    def validate(self, s):
+        driver.parse_string(support.dedent(s) + "\n\n")
+
+    def test_multiline_bytes_literals(self):
+        s = """
+            md5test(b"\xaa" * 80,
+                    (b"Test Using Larger Than Block-Size Key "
+                     b"and Larger Than One Block-Size Data"),
+                    "6f630fad67cda0ee1fb1f562db3aa53e")
+            """
+        self.validate(s)
+
+    def test_multiline_bytes_tripquote_literals(self):
+        s = '''
+            b"""
+            <?xml version="1.0" encoding="UTF-8"?>
+            <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN">
+            """
+            '''
+        self.validate(s)
+
+    def test_multiline_str_literals(self):
+        s = """
+            md5test("\xaa" * 80,
+                    ("Test Using Larger Than Block-Size Key "
+                     "and Larger Than One Block-Size Data"),
+                    "6f630fad67cda0ee1fb1f562db3aa53e")
+            """
+        self.validate(s)
+
+
+def diff(fn, result, encoding):
+    f = open("@", "w")
+    try:
+        f.write(result.encode(encoding))
+    finally:
+        f.close()
+    try:
+        fn = fn.replace('"', '\\"')
+        return os.system('diff -u "%s" @' % fn)
+    finally:
+        os.remove("@")
diff --git a/lib/python2.7/lib2to3/tests/test_pytree.py b/lib/python2.7/lib2to3/tests/test_pytree.py
new file mode 100644
index 0000000..ccddce6
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/test_pytree.py
@@ -0,0 +1,494 @@
+# Copyright 2006 Google, Inc. All Rights Reserved.
+# Licensed to PSF under a Contributor Agreement.
+
+"""Unit tests for pytree.py.
+
+NOTE: Please *don't* add doc strings to individual test methods!
+In verbose mode, printing of the module, class and method name is much
+more helpful than printing of (the first line of) the docstring,
+especially when debugging a test.
+"""
+
+from __future__ import with_statement
+
+import sys
+import warnings
+
+# Testing imports
+from . import support
+
+from lib2to3 import pytree
+
+try:
+    sorted
+except NameError:
+    def sorted(lst):
+        l = list(lst)
+        l.sort()
+        return l
+
+class TestNodes(support.TestCase):
+
+    """Unit tests for nodes (Base, Leaf, Node)."""
+
+    if sys.version_info >= (2,6):
+        # warnings.catch_warnings is new in 2.6.
+        def test_deprecated_prefix_methods(self):
+            l = pytree.Leaf(100, "foo")
+            with warnings.catch_warnings(record=True) as w:
+                warnings.simplefilter("always", DeprecationWarning)
+                self.assertEqual(l.get_prefix(), "")
+                l.set_prefix("hi")
+            self.assertEqual(l.prefix, "hi")
+            self.assertEqual(len(w), 2)
+            for warning in w:
+                self.assertTrue(warning.category is DeprecationWarning)
+            self.assertEqual(str(w[0].message), "get_prefix() is deprecated; " \
+                                 "use the prefix property")
+            self.assertEqual(str(w[1].message), "set_prefix() is deprecated; " \
+                                 "use the prefix property")
+
+    def test_instantiate_base(self):
+        if __debug__:
+            # Test that instantiating Base() raises an AssertionError
+            self.assertRaises(AssertionError, pytree.Base)
+
+    def test_leaf(self):
+        l1 = pytree.Leaf(100, "foo")
+        self.assertEqual(l1.type, 100)
+        self.assertEqual(l1.value, "foo")
+
+    def test_leaf_repr(self):
+        l1 = pytree.Leaf(100, "foo")
+        self.assertEqual(repr(l1), "Leaf(100, 'foo')")
+
+    def test_leaf_str(self):
+        l1 = pytree.Leaf(100, "foo")
+        self.assertEqual(str(l1), "foo")
+        l2 = pytree.Leaf(100, "foo", context=(" ", (10, 1)))
+        self.assertEqual(str(l2), " foo")
+
+    def test_leaf_str_numeric_value(self):
+        # Make sure that the Leaf's value is stringified. Failing to
+        #  do this can cause a TypeError in certain situations.
+        l1 = pytree.Leaf(2, 5)
+        l1.prefix = "foo_"
+        self.assertEqual(str(l1), "foo_5")
+
+    def test_leaf_equality(self):
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "foo", context=(" ", (1, 0)))
+        self.assertEqual(l1, l2)
+        l3 = pytree.Leaf(101, "foo")
+        l4 = pytree.Leaf(100, "bar")
+        self.assertNotEqual(l1, l3)
+        self.assertNotEqual(l1, l4)
+
+    def test_leaf_prefix(self):
+        l1 = pytree.Leaf(100, "foo")
+        self.assertEqual(l1.prefix, "")
+        self.assertFalse(l1.was_changed)
+        l1.prefix = "  ##\n\n"
+        self.assertEqual(l1.prefix, "  ##\n\n")
+        self.assertTrue(l1.was_changed)
+
+    def test_node(self):
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(200, "bar")
+        n1 = pytree.Node(1000, [l1, l2])
+        self.assertEqual(n1.type, 1000)
+        self.assertEqual(n1.children, [l1, l2])
+
+    def test_node_repr(self):
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "bar", context=(" ", (1, 0)))
+        n1 = pytree.Node(1000, [l1, l2])
+        self.assertEqual(repr(n1),
+                         "Node(1000, [%s, %s])" % (repr(l1), repr(l2)))
+
+    def test_node_str(self):
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "bar", context=(" ", (1, 0)))
+        n1 = pytree.Node(1000, [l1, l2])
+        self.assertEqual(str(n1), "foo bar")
+
+    def test_node_prefix(self):
+        l1 = pytree.Leaf(100, "foo")
+        self.assertEqual(l1.prefix, "")
+        n1 = pytree.Node(1000, [l1])
+        self.assertEqual(n1.prefix, "")
+        n1.prefix = " "
+        self.assertEqual(n1.prefix, " ")
+        self.assertEqual(l1.prefix, " ")
+
+    def test_get_suffix(self):
+        l1 = pytree.Leaf(100, "foo", prefix="a")
+        l2 = pytree.Leaf(100, "bar", prefix="b")
+        n1 = pytree.Node(1000, [l1, l2])
+
+        self.assertEqual(l1.get_suffix(), l2.prefix)
+        self.assertEqual(l2.get_suffix(), "")
+        self.assertEqual(n1.get_suffix(), "")
+
+        l3 = pytree.Leaf(100, "bar", prefix="c")
+        n2 = pytree.Node(1000, [n1, l3])
+
+        self.assertEqual(n1.get_suffix(), l3.prefix)
+        self.assertEqual(l3.get_suffix(), "")
+        self.assertEqual(n2.get_suffix(), "")
+
+    def test_node_equality(self):
+        n1 = pytree.Node(1000, ())
+        n2 = pytree.Node(1000, [], context=(" ", (1, 0)))
+        self.assertEqual(n1, n2)
+        n3 = pytree.Node(1001, ())
+        self.assertNotEqual(n1, n3)
+
+    def test_node_recursive_equality(self):
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "foo")
+        n1 = pytree.Node(1000, [l1])
+        n2 = pytree.Node(1000, [l2])
+        self.assertEqual(n1, n2)
+        l3 = pytree.Leaf(100, "bar")
+        n3 = pytree.Node(1000, [l3])
+        self.assertNotEqual(n1, n3)
+
+    def test_replace(self):
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "+")
+        l3 = pytree.Leaf(100, "bar")
+        n1 = pytree.Node(1000, [l1, l2, l3])
+        self.assertEqual(n1.children, [l1, l2, l3])
+        self.assertIsInstance(n1.children, list)
+        self.assertFalse(n1.was_changed)
+        l2new = pytree.Leaf(100, "-")
+        l2.replace(l2new)
+        self.assertEqual(n1.children, [l1, l2new, l3])
+        self.assertIsInstance(n1.children, list)
+        self.assertTrue(n1.was_changed)
+
+    def test_replace_with_list(self):
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "+")
+        l3 = pytree.Leaf(100, "bar")
+        n1 = pytree.Node(1000, [l1, l2, l3])
+
+        l2.replace([pytree.Leaf(100, "*"), pytree.Leaf(100, "*")])
+        self.assertEqual(str(n1), "foo**bar")
+        self.assertIsInstance(n1.children, list)
+
+    def test_leaves(self):
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "bar")
+        l3 = pytree.Leaf(100, "fooey")
+        n2 = pytree.Node(1000, [l1, l2])
+        n3 = pytree.Node(1000, [l3])
+        n1 = pytree.Node(1000, [n2, n3])
+
+        self.assertEqual(list(n1.leaves()), [l1, l2, l3])
+
+    def test_depth(self):
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "bar")
+        n2 = pytree.Node(1000, [l1, l2])
+        n3 = pytree.Node(1000, [])
+        n1 = pytree.Node(1000, [n2, n3])
+
+        self.assertEqual(l1.depth(), 2)
+        self.assertEqual(n3.depth(), 1)
+        self.assertEqual(n1.depth(), 0)
+
+    def test_post_order(self):
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "bar")
+        l3 = pytree.Leaf(100, "fooey")
+        c1 = pytree.Node(1000, [l1, l2])
+        n1 = pytree.Node(1000, [c1, l3])
+        self.assertEqual(list(n1.post_order()), [l1, l2, c1, l3, n1])
+
+    def test_pre_order(self):
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "bar")
+        l3 = pytree.Leaf(100, "fooey")
+        c1 = pytree.Node(1000, [l1, l2])
+        n1 = pytree.Node(1000, [c1, l3])
+        self.assertEqual(list(n1.pre_order()), [n1, c1, l1, l2, l3])
+
+    def test_changed(self):
+        l1 = pytree.Leaf(100, "f")
+        self.assertFalse(l1.was_changed)
+        l1.changed()
+        self.assertTrue(l1.was_changed)
+
+        l1 = pytree.Leaf(100, "f")
+        n1 = pytree.Node(1000, [l1])
+        self.assertFalse(n1.was_changed)
+        n1.changed()
+        self.assertTrue(n1.was_changed)
+
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "+")
+        l3 = pytree.Leaf(100, "bar")
+        n1 = pytree.Node(1000, [l1, l2, l3])
+        n2 = pytree.Node(1000, [n1])
+        self.assertFalse(l1.was_changed)
+        self.assertFalse(n1.was_changed)
+        self.assertFalse(n2.was_changed)
+
+        n1.changed()
+        self.assertTrue(n1.was_changed)
+        self.assertTrue(n2.was_changed)
+        self.assertFalse(l1.was_changed)
+
+    def test_leaf_constructor_prefix(self):
+        for prefix in ("xyz_", ""):
+            l1 = pytree.Leaf(100, "self", prefix=prefix)
+            self.assertTrue(str(l1), prefix + "self")
+            self.assertEqual(l1.prefix, prefix)
+
+    def test_node_constructor_prefix(self):
+        for prefix in ("xyz_", ""):
+            l1 = pytree.Leaf(100, "self")
+            l2 = pytree.Leaf(100, "foo", prefix="_")
+            n1 = pytree.Node(1000, [l1, l2], prefix=prefix)
+            self.assertTrue(str(n1), prefix + "self_foo")
+            self.assertEqual(n1.prefix, prefix)
+            self.assertEqual(l1.prefix, prefix)
+            self.assertEqual(l2.prefix, "_")
+
+    def test_remove(self):
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "foo")
+        n1 = pytree.Node(1000, [l1, l2])
+        n2 = pytree.Node(1000, [n1])
+
+        self.assertEqual(n1.remove(), 0)
+        self.assertEqual(n2.children, [])
+        self.assertEqual(l1.parent, n1)
+        self.assertEqual(n1.parent, None)
+        self.assertEqual(n2.parent, None)
+        self.assertFalse(n1.was_changed)
+        self.assertTrue(n2.was_changed)
+
+        self.assertEqual(l2.remove(), 1)
+        self.assertEqual(l1.remove(), 0)
+        self.assertEqual(n1.children, [])
+        self.assertEqual(l1.parent, None)
+        self.assertEqual(n1.parent, None)
+        self.assertEqual(n2.parent, None)
+        self.assertTrue(n1.was_changed)
+        self.assertTrue(n2.was_changed)
+
+    def test_remove_parentless(self):
+        n1 = pytree.Node(1000, [])
+        n1.remove()
+        self.assertEqual(n1.parent, None)
+
+        l1 = pytree.Leaf(100, "foo")
+        l1.remove()
+        self.assertEqual(l1.parent, None)
+
+    def test_node_set_child(self):
+        l1 = pytree.Leaf(100, "foo")
+        n1 = pytree.Node(1000, [l1])
+
+        l2 = pytree.Leaf(100, "bar")
+        n1.set_child(0, l2)
+        self.assertEqual(l1.parent, None)
+        self.assertEqual(l2.parent, n1)
+        self.assertEqual(n1.children, [l2])
+
+        n2 = pytree.Node(1000, [l1])
+        n2.set_child(0, n1)
+        self.assertEqual(l1.parent, None)
+        self.assertEqual(n1.parent, n2)
+        self.assertEqual(n2.parent, None)
+        self.assertEqual(n2.children, [n1])
+
+        self.assertRaises(IndexError, n1.set_child, 4, l2)
+        # I don't care what it raises, so long as it's an exception
+        self.assertRaises(Exception, n1.set_child, 0, list)
+
+    def test_node_insert_child(self):
+        l1 = pytree.Leaf(100, "foo")
+        n1 = pytree.Node(1000, [l1])
+
+        l2 = pytree.Leaf(100, "bar")
+        n1.insert_child(0, l2)
+        self.assertEqual(l2.parent, n1)
+        self.assertEqual(n1.children, [l2, l1])
+
+        l3 = pytree.Leaf(100, "abc")
+        n1.insert_child(2, l3)
+        self.assertEqual(n1.children, [l2, l1, l3])
+
+        # I don't care what it raises, so long as it's an exception
+        self.assertRaises(Exception, n1.insert_child, 0, list)
+
+    def test_node_append_child(self):
+        n1 = pytree.Node(1000, [])
+
+        l1 = pytree.Leaf(100, "foo")
+        n1.append_child(l1)
+        self.assertEqual(l1.parent, n1)
+        self.assertEqual(n1.children, [l1])
+
+        l2 = pytree.Leaf(100, "bar")
+        n1.append_child(l2)
+        self.assertEqual(l2.parent, n1)
+        self.assertEqual(n1.children, [l1, l2])
+
+        # I don't care what it raises, so long as it's an exception
+        self.assertRaises(Exception, n1.append_child, list)
+
+    def test_node_next_sibling(self):
+        n1 = pytree.Node(1000, [])
+        n2 = pytree.Node(1000, [])
+        p1 = pytree.Node(1000, [n1, n2])
+
+        self.assertIs(n1.next_sibling, n2)
+        self.assertEqual(n2.next_sibling, None)
+        self.assertEqual(p1.next_sibling, None)
+
+    def test_leaf_next_sibling(self):
+        l1 = pytree.Leaf(100, "a")
+        l2 = pytree.Leaf(100, "b")
+        p1 = pytree.Node(1000, [l1, l2])
+
+        self.assertIs(l1.next_sibling, l2)
+        self.assertEqual(l2.next_sibling, None)
+        self.assertEqual(p1.next_sibling, None)
+
+    def test_node_prev_sibling(self):
+        n1 = pytree.Node(1000, [])
+        n2 = pytree.Node(1000, [])
+        p1 = pytree.Node(1000, [n1, n2])
+
+        self.assertIs(n2.prev_sibling, n1)
+        self.assertEqual(n1.prev_sibling, None)
+        self.assertEqual(p1.prev_sibling, None)
+
+    def test_leaf_prev_sibling(self):
+        l1 = pytree.Leaf(100, "a")
+        l2 = pytree.Leaf(100, "b")
+        p1 = pytree.Node(1000, [l1, l2])
+
+        self.assertIs(l2.prev_sibling, l1)
+        self.assertEqual(l1.prev_sibling, None)
+        self.assertEqual(p1.prev_sibling, None)
+
+
+class TestPatterns(support.TestCase):
+
+    """Unit tests for tree matching patterns."""
+
+    def test_basic_patterns(self):
+        # Build a tree
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "bar")
+        l3 = pytree.Leaf(100, "foo")
+        n1 = pytree.Node(1000, [l1, l2])
+        n2 = pytree.Node(1000, [l3])
+        root = pytree.Node(1000, [n1, n2])
+        # Build a pattern matching a leaf
+        pl = pytree.LeafPattern(100, "foo", name="pl")
+        r = {}
+        self.assertFalse(pl.match(root, results=r))
+        self.assertEqual(r, {})
+        self.assertFalse(pl.match(n1, results=r))
+        self.assertEqual(r, {})
+        self.assertFalse(pl.match(n2, results=r))
+        self.assertEqual(r, {})
+        self.assertTrue(pl.match(l1, results=r))
+        self.assertEqual(r, {"pl": l1})
+        r = {}
+        self.assertFalse(pl.match(l2, results=r))
+        self.assertEqual(r, {})
+        # Build a pattern matching a node
+        pn = pytree.NodePattern(1000, [pl], name="pn")
+        self.assertFalse(pn.match(root, results=r))
+        self.assertEqual(r, {})
+        self.assertFalse(pn.match(n1, results=r))
+        self.assertEqual(r, {})
+        self.assertTrue(pn.match(n2, results=r))
+        self.assertEqual(r, {"pn": n2, "pl": l3})
+        r = {}
+        self.assertFalse(pn.match(l1, results=r))
+        self.assertEqual(r, {})
+        self.assertFalse(pn.match(l2, results=r))
+        self.assertEqual(r, {})
+
+    def test_wildcard(self):
+        # Build a tree for testing
+        l1 = pytree.Leaf(100, "foo")
+        l2 = pytree.Leaf(100, "bar")
+        l3 = pytree.Leaf(100, "foo")
+        n1 = pytree.Node(1000, [l1, l2])
+        n2 = pytree.Node(1000, [l3])
+        root = pytree.Node(1000, [n1, n2])
+        # Build a pattern
+        pl = pytree.LeafPattern(100, "foo", name="pl")
+        pn = pytree.NodePattern(1000, [pl], name="pn")
+        pw = pytree.WildcardPattern([[pn], [pl, pl]], name="pw")
+        r = {}
+        self.assertFalse(pw.match_seq([root], r))
+        self.assertEqual(r, {})
+        self.assertFalse(pw.match_seq([n1], r))
+        self.assertEqual(r, {})
+        self.assertTrue(pw.match_seq([n2], r))
+        # These are easier to debug
+        self.assertEqual(sorted(r.keys()), ["pl", "pn", "pw"])
+        self.assertEqual(r["pl"], l1)
+        self.assertEqual(r["pn"], n2)
+        self.assertEqual(r["pw"], [n2])
+        # But this is equivalent
+        self.assertEqual(r, {"pl": l1, "pn": n2, "pw": [n2]})
+        r = {}
+        self.assertTrue(pw.match_seq([l1, l3], r))
+        self.assertEqual(r, {"pl": l3, "pw": [l1, l3]})
+        self.assertIs(r["pl"], l3)
+        r = {}
+
+    def test_generate_matches(self):
+        la = pytree.Leaf(1, "a")
+        lb = pytree.Leaf(1, "b")
+        lc = pytree.Leaf(1, "c")
+        ld = pytree.Leaf(1, "d")
+        le = pytree.Leaf(1, "e")
+        lf = pytree.Leaf(1, "f")
+        leaves = [la, lb, lc, ld, le, lf]
+        root = pytree.Node(1000, leaves)
+        pa = pytree.LeafPattern(1, "a", "pa")
+        pb = pytree.LeafPattern(1, "b", "pb")
+        pc = pytree.LeafPattern(1, "c", "pc")
+        pd = pytree.LeafPattern(1, "d", "pd")
+        pe = pytree.LeafPattern(1, "e", "pe")
+        pf = pytree.LeafPattern(1, "f", "pf")
+        pw = pytree.WildcardPattern([[pa, pb, pc], [pd, pe],
+                                     [pa, pb], [pc, pd], [pe, pf]],
+                                    min=1, max=4, name="pw")
+        self.assertEqual([x[0] for x in pw.generate_matches(leaves)],
+                         [3, 5, 2, 4, 6])
+        pr = pytree.NodePattern(type=1000, content=[pw], name="pr")
+        matches = list(pytree.generate_matches([pr], [root]))
+        self.assertEqual(len(matches), 1)
+        c, r = matches[0]
+        self.assertEqual(c, 1)
+        self.assertEqual(str(r["pr"]), "abcdef")
+        self.assertEqual(r["pw"], [la, lb, lc, ld, le, lf])
+        for c in "abcdef":
+            self.assertEqual(r["p" + c], pytree.Leaf(1, c))
+
+    def test_has_key_example(self):
+        pattern = pytree.NodePattern(331,
+                                     (pytree.LeafPattern(7),
+                                      pytree.WildcardPattern(name="args"),
+                                      pytree.LeafPattern(8)))
+        l1 = pytree.Leaf(7, "(")
+        l2 = pytree.Leaf(3, "x")
+        l3 = pytree.Leaf(8, ")")
+        node = pytree.Node(331, [l1, l2, l3])
+        r = {}
+        self.assertTrue(pattern.match(node, r))
+        self.assertEqual(r["args"], [l2])
diff --git a/lib/python2.7/lib2to3/tests/test_refactor.py b/lib/python2.7/lib2to3/tests/test_refactor.py
new file mode 100644
index 0000000..c737aa5
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/test_refactor.py
@@ -0,0 +1,322 @@
+"""
+Unit tests for refactor.py.
+"""
+
+from __future__ import with_statement
+
+import sys
+import os
+import codecs
+import operator
+import re
+import StringIO
+import tempfile
+import shutil
+import unittest
+import warnings
+
+from lib2to3 import refactor, pygram, fixer_base
+from lib2to3.pgen2 import token
+
+from . import support
+
+
+TEST_DATA_DIR = os.path.join(os.path.dirname(__file__), "data")
+FIXER_DIR = os.path.join(TEST_DATA_DIR, "fixers")
+
+sys.path.append(FIXER_DIR)
+try:
+    _DEFAULT_FIXERS = refactor.get_fixers_from_package("myfixes")
+finally:
+    sys.path.pop()
+
+_2TO3_FIXERS = refactor.get_fixers_from_package("lib2to3.fixes")
+
+class TestRefactoringTool(unittest.TestCase):
+
+    def setUp(self):
+        sys.path.append(FIXER_DIR)
+
+    def tearDown(self):
+        sys.path.pop()
+
+    def check_instances(self, instances, classes):
+        for inst, cls in zip(instances, classes):
+            if not isinstance(inst, cls):
+                self.fail("%s are not instances of %s" % instances, classes)
+
+    def rt(self, options=None, fixers=_DEFAULT_FIXERS, explicit=None):
+        return refactor.RefactoringTool(fixers, options, explicit)
+
+    def test_print_function_option(self):
+        rt = self.rt({"print_function" : True})
+        self.assertIs(rt.grammar, pygram.python_grammar_no_print_statement)
+        self.assertIs(rt.driver.grammar,
+                      pygram.python_grammar_no_print_statement)
+
+    def test_write_unchanged_files_option(self):
+        rt = self.rt()
+        self.assertFalse(rt.write_unchanged_files)
+        rt = self.rt({"write_unchanged_files" : True})
+        self.assertTrue(rt.write_unchanged_files)
+
+    def test_fixer_loading_helpers(self):
+        contents = ["explicit", "first", "last", "parrot", "preorder"]
+        non_prefixed = refactor.get_all_fix_names("myfixes")
+        prefixed = refactor.get_all_fix_names("myfixes", False)
+        full_names = refactor.get_fixers_from_package("myfixes")
+        self.assertEqual(prefixed, ["fix_" + name for name in contents])
+        self.assertEqual(non_prefixed, contents)
+        self.assertEqual(full_names,
+                         ["myfixes.fix_" + name for name in contents])
+
+    def test_detect_future_features(self):
+        run = refactor._detect_future_features
+        fs = frozenset
+        empty = fs()
+        self.assertEqual(run(""), empty)
+        self.assertEqual(run("from __future__ import print_function"),
+                         fs(("print_function",)))
+        self.assertEqual(run("from __future__ import generators"),
+                         fs(("generators",)))
+        self.assertEqual(run("from __future__ import generators, feature"),
+                         fs(("generators", "feature")))
+        inp = "from __future__ import generators, print_function"
+        self.assertEqual(run(inp), fs(("generators", "print_function")))
+        inp ="from __future__ import print_function, generators"
+        self.assertEqual(run(inp), fs(("print_function", "generators")))
+        inp = "from __future__ import (print_function,)"
+        self.assertEqual(run(inp), fs(("print_function",)))
+        inp = "from __future__ import (generators, print_function)"
+        self.assertEqual(run(inp), fs(("generators", "print_function")))
+        inp = "from __future__ import (generators, nested_scopes)"
+        self.assertEqual(run(inp), fs(("generators", "nested_scopes")))
+        inp = """from __future__ import generators
+from __future__ import print_function"""
+        self.assertEqual(run(inp), fs(("generators", "print_function")))
+        invalid = ("from",
+                   "from 4",
+                   "from x",
+                   "from x 5",
+                   "from x im",
+                   "from x import",
+                   "from x import 4",
+                   )
+        for inp in invalid:
+            self.assertEqual(run(inp), empty)
+        inp = "'docstring'\nfrom __future__ import print_function"
+        self.assertEqual(run(inp), fs(("print_function",)))
+        inp = "'docstring'\n'somng'\nfrom __future__ import print_function"
+        self.assertEqual(run(inp), empty)
+        inp = "# comment\nfrom __future__ import print_function"
+        self.assertEqual(run(inp), fs(("print_function",)))
+        inp = "# comment\n'doc'\nfrom __future__ import print_function"
+        self.assertEqual(run(inp), fs(("print_function",)))
+        inp = "class x: pass\nfrom __future__ import print_function"
+        self.assertEqual(run(inp), empty)
+
+    def test_get_headnode_dict(self):
+        class NoneFix(fixer_base.BaseFix):
+            pass
+
+        class FileInputFix(fixer_base.BaseFix):
+            PATTERN = "file_input< any * >"
+
+        class SimpleFix(fixer_base.BaseFix):
+            PATTERN = "'name'"
+
+        no_head = NoneFix({}, [])
+        with_head = FileInputFix({}, [])
+        simple = SimpleFix({}, [])
+        d = refactor._get_headnode_dict([no_head, with_head, simple])
+        top_fixes = d.pop(pygram.python_symbols.file_input)
+        self.assertEqual(top_fixes, [with_head, no_head])
+        name_fixes = d.pop(token.NAME)
+        self.assertEqual(name_fixes, [simple, no_head])
+        for fixes in d.itervalues():
+            self.assertEqual(fixes, [no_head])
+
+    def test_fixer_loading(self):
+        from myfixes.fix_first import FixFirst
+        from myfixes.fix_last import FixLast
+        from myfixes.fix_parrot import FixParrot
+        from myfixes.fix_preorder import FixPreorder
+
+        rt = self.rt()
+        pre, post = rt.get_fixers()
+
+        self.check_instances(pre, [FixPreorder])
+        self.check_instances(post, [FixFirst, FixParrot, FixLast])
+
+    def test_naughty_fixers(self):
+        self.assertRaises(ImportError, self.rt, fixers=["not_here"])
+        self.assertRaises(refactor.FixerError, self.rt, fixers=["no_fixer_cls"])
+        self.assertRaises(refactor.FixerError, self.rt, fixers=["bad_order"])
+
+    def test_refactor_string(self):
+        rt = self.rt()
+        input = "def parrot(): pass\n\n"
+        tree = rt.refactor_string(input, "<test>")
+        self.assertNotEqual(str(tree), input)
+
+        input = "def f(): pass\n\n"
+        tree = rt.refactor_string(input, "<test>")
+        self.assertEqual(str(tree), input)
+
+    def test_refactor_stdin(self):
+
+        class MyRT(refactor.RefactoringTool):
+
+            def print_output(self, old_text, new_text, filename, equal):
+                results.extend([old_text, new_text, filename, equal])
+
+        results = []
+        rt = MyRT(_DEFAULT_FIXERS)
+        save = sys.stdin
+        sys.stdin = StringIO.StringIO("def parrot(): pass\n\n")
+        try:
+            rt.refactor_stdin()
+        finally:
+            sys.stdin = save
+        expected = ["def parrot(): pass\n\n",
+                    "def cheese(): pass\n\n",
+                    "<stdin>", False]
+        self.assertEqual(results, expected)
+
+    def check_file_refactoring(self, test_file, fixers=_2TO3_FIXERS,
+                               options=None, mock_log_debug=None,
+                               actually_write=True):
+        tmpdir = tempfile.mkdtemp(prefix="2to3-test_refactor")
+        self.addCleanup(shutil.rmtree, tmpdir)
+        # make a copy of the tested file that we can write to
+        shutil.copy(test_file, tmpdir)
+        test_file = os.path.join(tmpdir, os.path.basename(test_file))
+        os.chmod(test_file, 0o644)
+
+        def read_file():
+            with open(test_file, "rb") as fp:
+                return fp.read()
+
+        old_contents = read_file()
+        rt = self.rt(fixers=fixers, options=options)
+        if mock_log_debug:
+            rt.log_debug = mock_log_debug
+
+        rt.refactor_file(test_file)
+        self.assertEqual(old_contents, read_file())
+
+        if not actually_write:
+            return
+        rt.refactor_file(test_file, True)
+        new_contents = read_file()
+        self.assertNotEqual(old_contents, new_contents)
+        return new_contents
+
+    def test_refactor_file(self):
+        test_file = os.path.join(FIXER_DIR, "parrot_example.py")
+        self.check_file_refactoring(test_file, _DEFAULT_FIXERS)
+
+    def test_refactor_file_write_unchanged_file(self):
+        test_file = os.path.join(FIXER_DIR, "parrot_example.py")
+        debug_messages = []
+        def recording_log_debug(msg, *args):
+            debug_messages.append(msg % args)
+        self.check_file_refactoring(test_file, fixers=(),
+                                    options={"write_unchanged_files": True},
+                                    mock_log_debug=recording_log_debug,
+                                    actually_write=False)
+        # Testing that it logged this message when write=False was passed is
+        # sufficient to see that it did not bail early after "No changes".
+        message_regex = r"Not writing changes to .*%s" % \
+                re.escape(os.sep + os.path.basename(test_file))
+        for message in debug_messages:
+            if "Not writing changes" in message:
+                self.assertRegexpMatches(message, message_regex)
+                break
+        else:
+            self.fail("%r not matched in %r" % (message_regex, debug_messages))
+
+    def test_refactor_dir(self):
+        def check(structure, expected):
+            def mock_refactor_file(self, f, *args):
+                got.append(f)
+            save_func = refactor.RefactoringTool.refactor_file
+            refactor.RefactoringTool.refactor_file = mock_refactor_file
+            rt = self.rt()
+            got = []
+            dir = tempfile.mkdtemp(prefix="2to3-test_refactor")
+            try:
+                os.mkdir(os.path.join(dir, "a_dir"))
+                for fn in structure:
+                    open(os.path.join(dir, fn), "wb").close()
+                rt.refactor_dir(dir)
+            finally:
+                refactor.RefactoringTool.refactor_file = save_func
+                shutil.rmtree(dir)
+            self.assertEqual(got,
+                             [os.path.join(dir, path) for path in expected])
+        check([], [])
+        tree = ["nothing",
+                "hi.py",
+                ".dumb",
+                ".after.py",
+                "notpy.npy",
+                "sappy"]
+        expected = ["hi.py"]
+        check(tree, expected)
+        tree = ["hi.py",
+                os.path.join("a_dir", "stuff.py")]
+        check(tree, tree)
+
+    def test_file_encoding(self):
+        fn = os.path.join(TEST_DATA_DIR, "different_encoding.py")
+        self.check_file_refactoring(fn)
+
+    def test_false_file_encoding(self):
+        fn = os.path.join(TEST_DATA_DIR, "false_encoding.py")
+        data = self.check_file_refactoring(fn)
+
+    def test_bom(self):
+        fn = os.path.join(TEST_DATA_DIR, "bom.py")
+        data = self.check_file_refactoring(fn)
+        self.assertTrue(data.startswith(codecs.BOM_UTF8))
+
+    def test_crlf_newlines(self):
+        old_sep = os.linesep
+        os.linesep = "\r\n"
+        try:
+            fn = os.path.join(TEST_DATA_DIR, "crlf.py")
+            fixes = refactor.get_fixers_from_package("lib2to3.fixes")
+            self.check_file_refactoring(fn, fixes)
+        finally:
+            os.linesep = old_sep
+
+    def test_refactor_docstring(self):
+        rt = self.rt()
+
+        doc = """
+>>> example()
+42
+"""
+        out = rt.refactor_docstring(doc, "<test>")
+        self.assertEqual(out, doc)
+
+        doc = """
+>>> def parrot():
+...      return 43
+"""
+        out = rt.refactor_docstring(doc, "<test>")
+        self.assertNotEqual(out, doc)
+
+    def test_explicit(self):
+        from myfixes.fix_explicit import FixExplicit
+
+        rt = self.rt(fixers=["myfixes.fix_explicit"])
+        self.assertEqual(len(rt.post_order), 0)
+
+        rt = self.rt(explicit=["myfixes.fix_explicit"])
+        for fix in rt.post_order:
+            if isinstance(fix, FixExplicit):
+                break
+        else:
+            self.fail("explicit fixer not loaded")
diff --git a/lib/python2.7/lib2to3/tests/test_util.py b/lib/python2.7/lib2to3/tests/test_util.py
new file mode 100644
index 0000000..2fab8b9
--- /dev/null
+++ b/lib/python2.7/lib2to3/tests/test_util.py
@@ -0,0 +1,594 @@
+""" Test suite for the code in fixer_util """
+
+# Testing imports
+from . import support
+
+# Python imports
+import os.path
+
+# Local imports
+from lib2to3.pytree import Node, Leaf
+from lib2to3 import fixer_util
+from lib2to3.fixer_util import Attr, Name, Call, Comma
+from lib2to3.pgen2 import token
+
+def parse(code, strip_levels=0):
+    # The topmost node is file_input, which we don't care about.
+    # The next-topmost node is a *_stmt node, which we also don't care about
+    tree = support.parse_string(code)
+    for i in range(strip_levels):
+        tree = tree.children[0]
+    tree.parent = None
+    return tree
+
+class MacroTestCase(support.TestCase):
+    def assertStr(self, node, string):
+        if isinstance(node, (tuple, list)):
+            node = Node(fixer_util.syms.simple_stmt, node)
+        self.assertEqual(str(node), string)
+
+
+class Test_is_tuple(support.TestCase):
+    def is_tuple(self, string):
+        return fixer_util.is_tuple(parse(string, strip_levels=2))
+
+    def test_valid(self):
+        self.assertTrue(self.is_tuple("(a, b)"))
+        self.assertTrue(self.is_tuple("(a, (b, c))"))
+        self.assertTrue(self.is_tuple("((a, (b, c)),)"))
+        self.assertTrue(self.is_tuple("(a,)"))
+        self.assertTrue(self.is_tuple("()"))
+
+    def test_invalid(self):
+        self.assertFalse(self.is_tuple("(a)"))
+        self.assertFalse(self.is_tuple("('foo') % (b, c)"))
+
+
+class Test_is_list(support.TestCase):
+    def is_list(self, string):
+        return fixer_util.is_list(parse(string, strip_levels=2))
+
+    def test_valid(self):
+        self.assertTrue(self.is_list("[]"))
+        self.assertTrue(self.is_list("[a]"))
+        self.assertTrue(self.is_list("[a, b]"))
+        self.assertTrue(self.is_list("[a, [b, c]]"))
+        self.assertTrue(self.is_list("[[a, [b, c]],]"))
+
+    def test_invalid(self):
+        self.assertFalse(self.is_list("[]+[]"))
+
+
+class Test_Attr(MacroTestCase):
+    def test(self):
+        call = parse("foo()", strip_levels=2)
+
+        self.assertStr(Attr(Name("a"), Name("b")), "a.b")
+        self.assertStr(Attr(call, Name("b")), "foo().b")
+
+    def test_returns(self):
+        attr = Attr(Name("a"), Name("b"))
+        self.assertEqual(type(attr), list)
+
+
+class Test_Name(MacroTestCase):
+    def test(self):
+        self.assertStr(Name("a"), "a")
+        self.assertStr(Name("foo.foo().bar"), "foo.foo().bar")
+        self.assertStr(Name("a", prefix="b"), "ba")
+
+
+class Test_Call(MacroTestCase):
+    def _Call(self, name, args=None, prefix=None):
+        """Help the next test"""
+        children = []
+        if isinstance(args, list):
+            for arg in args:
+                children.append(arg)
+                children.append(Comma())
+            children.pop()
+        return Call(Name(name), children, prefix)
+
+    def test(self):
+        kids = [None,
+                [Leaf(token.NUMBER, 1), Leaf(token.NUMBER, 2),
+                 Leaf(token.NUMBER, 3)],
+                [Leaf(token.NUMBER, 1), Leaf(token.NUMBER, 3),
+                 Leaf(token.NUMBER, 2), Leaf(token.NUMBER, 4)],
+                [Leaf(token.STRING, "b"), Leaf(token.STRING, "j", prefix=" ")]
+                ]
+        self.assertStr(self._Call("A"), "A()")
+        self.assertStr(self._Call("b", kids[1]), "b(1,2,3)")
+        self.assertStr(self._Call("a.b().c", kids[2]), "a.b().c(1,3,2,4)")
+        self.assertStr(self._Call("d", kids[3], prefix=" "), " d(b, j)")
+
+
+class Test_does_tree_import(support.TestCase):
+    def _find_bind_rec(self, name, node):
+        # Search a tree for a binding -- used to find the starting
+        # point for these tests.
+        c = fixer_util.find_binding(name, node)
+        if c: return c
+        for child in node.children:
+            c = self._find_bind_rec(name, child)
+            if c: return c
+
+    def does_tree_import(self, package, name, string):
+        node = parse(string)
+        # Find the binding of start -- that's what we'll go from
+        node = self._find_bind_rec('start', node)
+        return fixer_util.does_tree_import(package, name, node)
+
+    def try_with(self, string):
+        failing_tests = (("a", "a", "from a import b"),
+                         ("a.d", "a", "from a.d import b"),
+                         ("d.a", "a", "from d.a import b"),
+                         (None, "a", "import b"),
+                         (None, "a", "import b, c, d"))
+        for package, name, import_ in failing_tests:
+            n = self.does_tree_import(package, name, import_ + "\n" + string)
+            self.assertFalse(n)
+            n = self.does_tree_import(package, name, string + "\n" + import_)
+            self.assertFalse(n)
+
+        passing_tests = (("a", "a", "from a import a"),
+                         ("x", "a", "from x import a"),
+                         ("x", "a", "from x import b, c, a, d"),
+                         ("x.b", "a", "from x.b import a"),
+                         ("x.b", "a", "from x.b import b, c, a, d"),
+                         (None, "a", "import a"),
+                         (None, "a", "import b, c, a, d"))
+        for package, name, import_ in passing_tests:
+            n = self.does_tree_import(package, name, import_ + "\n" + string)
+            self.assertTrue(n)
+            n = self.does_tree_import(package, name, string + "\n" + import_)
+            self.assertTrue(n)
+
+    def test_in_function(self):
+        self.try_with("def foo():\n\tbar.baz()\n\tstart=3")
+
+class Test_find_binding(support.TestCase):
+    def find_binding(self, name, string, package=None):
+        return fixer_util.find_binding(name, parse(string), package)
+
+    def test_simple_assignment(self):
+        self.assertTrue(self.find_binding("a", "a = b"))
+        self.assertTrue(self.find_binding("a", "a = [b, c, d]"))
+        self.assertTrue(self.find_binding("a", "a = foo()"))
+        self.assertTrue(self.find_binding("a", "a = foo().foo.foo[6][foo]"))
+        self.assertFalse(self.find_binding("a", "foo = a"))
+        self.assertFalse(self.find_binding("a", "foo = (a, b, c)"))
+
+    def test_tuple_assignment(self):
+        self.assertTrue(self.find_binding("a", "(a,) = b"))
+        self.assertTrue(self.find_binding("a", "(a, b, c) = [b, c, d]"))
+        self.assertTrue(self.find_binding("a", "(c, (d, a), b) = foo()"))
+        self.assertTrue(self.find_binding("a", "(a, b) = foo().foo[6][foo]"))
+        self.assertFalse(self.find_binding("a", "(foo, b) = (b, a)"))
+        self.assertFalse(self.find_binding("a", "(foo, (b, c)) = (a, b, c)"))
+
+    def test_list_assignment(self):
+        self.assertTrue(self.find_binding("a", "[a] = b"))
+        self.assertTrue(self.find_binding("a", "[a, b, c] = [b, c, d]"))
+        self.assertTrue(self.find_binding("a", "[c, [d, a], b] = foo()"))
+        self.assertTrue(self.find_binding("a", "[a, b] = foo().foo[a][foo]"))
+        self.assertFalse(self.find_binding("a", "[foo, b] = (b, a)"))
+        self.assertFalse(self.find_binding("a", "[foo, [b, c]] = (a, b, c)"))
+
+    def test_invalid_assignments(self):
+        self.assertFalse(self.find_binding("a", "foo.a = 5"))
+        self.assertFalse(self.find_binding("a", "foo[a] = 5"))
+        self.assertFalse(self.find_binding("a", "foo(a) = 5"))
+        self.assertFalse(self.find_binding("a", "foo(a, b) = 5"))
+
+    def test_simple_import(self):
+        self.assertTrue(self.find_binding("a", "import a"))
+        self.assertTrue(self.find_binding("a", "import b, c, a, d"))
+        self.assertFalse(self.find_binding("a", "import b"))
+        self.assertFalse(self.find_binding("a", "import b, c, d"))
+
+    def test_from_import(self):
+        self.assertTrue(self.find_binding("a", "from x import a"))
+        self.assertTrue(self.find_binding("a", "from a import a"))
+        self.assertTrue(self.find_binding("a", "from x import b, c, a, d"))
+        self.assertTrue(self.find_binding("a", "from x.b import a"))
+        self.assertTrue(self.find_binding("a", "from x.b import b, c, a, d"))
+        self.assertFalse(self.find_binding("a", "from a import b"))
+        self.assertFalse(self.find_binding("a", "from a.d import b"))
+        self.assertFalse(self.find_binding("a", "from d.a import b"))
+
+    def test_import_as(self):
+        self.assertTrue(self.find_binding("a", "import b as a"))
+        self.assertTrue(self.find_binding("a", "import b as a, c, a as f, d"))
+        self.assertFalse(self.find_binding("a", "import a as f"))
+        self.assertFalse(self.find_binding("a", "import b, c as f, d as e"))
+
+    def test_from_import_as(self):
+        self.assertTrue(self.find_binding("a", "from x import b as a"))
+        self.assertTrue(self.find_binding("a", "from x import g as a, d as b"))
+        self.assertTrue(self.find_binding("a", "from x.b import t as a"))
+        self.assertTrue(self.find_binding("a", "from x.b import g as a, d"))
+        self.assertFalse(self.find_binding("a", "from a import b as t"))
+        self.assertFalse(self.find_binding("a", "from a.d import b as t"))
+        self.assertFalse(self.find_binding("a", "from d.a import b as t"))
+
+    def test_simple_import_with_package(self):
+        self.assertTrue(self.find_binding("b", "import b"))
+        self.assertTrue(self.find_binding("b", "import b, c, d"))
+        self.assertFalse(self.find_binding("b", "import b", "b"))
+        self.assertFalse(self.find_binding("b", "import b, c, d", "c"))
+
+    def test_from_import_with_package(self):
+        self.assertTrue(self.find_binding("a", "from x import a", "x"))
+        self.assertTrue(self.find_binding("a", "from a import a", "a"))
+        self.assertTrue(self.find_binding("a", "from x import *", "x"))
+        self.assertTrue(self.find_binding("a", "from x import b, c, a, d", "x"))
+        self.assertTrue(self.find_binding("a", "from x.b import a", "x.b"))
+        self.assertTrue(self.find_binding("a", "from x.b import *", "x.b"))
+        self.assertTrue(self.find_binding("a", "from x.b import b, c, a, d", "x.b"))
+        self.assertFalse(self.find_binding("a", "from a import b", "a"))
+        self.assertFalse(self.find_binding("a", "from a.d import b", "a.d"))
+        self.assertFalse(self.find_binding("a", "from d.a import b", "a.d"))
+        self.assertFalse(self.find_binding("a", "from x.y import *", "a.b"))
+
+    def test_import_as_with_package(self):
+        self.assertFalse(self.find_binding("a", "import b.c as a", "b.c"))
+        self.assertFalse(self.find_binding("a", "import a as f", "f"))
+        self.assertFalse(self.find_binding("a", "import a as f", "a"))
+
+    def test_from_import_as_with_package(self):
+        # Because it would take a lot of special-case code in the fixers
+        # to deal with from foo import bar as baz, we'll simply always
+        # fail if there is an "from ... import ... as ..."
+        self.assertFalse(self.find_binding("a", "from x import b as a", "x"))
+        self.assertFalse(self.find_binding("a", "from x import g as a, d as b", "x"))
+        self.assertFalse(self.find_binding("a", "from x.b import t as a", "x.b"))
+        self.assertFalse(self.find_binding("a", "from x.b import g as a, d", "x.b"))
+        self.assertFalse(self.find_binding("a", "from a import b as t", "a"))
+        self.assertFalse(self.find_binding("a", "from a import b as t", "b"))
+        self.assertFalse(self.find_binding("a", "from a import b as t", "t"))
+
+    def test_function_def(self):
+        self.assertTrue(self.find_binding("a", "def a(): pass"))
+        self.assertTrue(self.find_binding("a", "def a(b, c, d): pass"))
+        self.assertTrue(self.find_binding("a", "def a(): b = 7"))
+        self.assertFalse(self.find_binding("a", "def d(b, (c, a), e): pass"))
+        self.assertFalse(self.find_binding("a", "def d(a=7): pass"))
+        self.assertFalse(self.find_binding("a", "def d(a): pass"))
+        self.assertFalse(self.find_binding("a", "def d(): a = 7"))
+
+        s = """
+            def d():
+                def a():
+                    pass"""
+        self.assertFalse(self.find_binding("a", s))
+
+    def test_class_def(self):
+        self.assertTrue(self.find_binding("a", "class a: pass"))
+        self.assertTrue(self.find_binding("a", "class a(): pass"))
+        self.assertTrue(self.find_binding("a", "class a(b): pass"))
+        self.assertTrue(self.find_binding("a", "class a(b, c=8): pass"))
+        self.assertFalse(self.find_binding("a", "class d: pass"))
+        self.assertFalse(self.find_binding("a", "class d(a): pass"))
+        self.assertFalse(self.find_binding("a", "class d(b, a=7): pass"))
+        self.assertFalse(self.find_binding("a", "class d(b, *a): pass"))
+        self.assertFalse(self.find_binding("a", "class d(b, **a): pass"))
+        self.assertFalse(self.find_binding("a", "class d: a = 7"))
+
+        s = """
+            class d():
+                class a():
+                    pass"""
+        self.assertFalse(self.find_binding("a", s))
+
+    def test_for(self):
+        self.assertTrue(self.find_binding("a", "for a in r: pass"))
+        self.assertTrue(self.find_binding("a", "for a, b in r: pass"))
+        self.assertTrue(self.find_binding("a", "for (a, b) in r: pass"))
+        self.assertTrue(self.find_binding("a", "for c, (a,) in r: pass"))
+        self.assertTrue(self.find_binding("a", "for c, (a, b) in r: pass"))
+        self.assertTrue(self.find_binding("a", "for c in r: a = c"))
+        self.assertFalse(self.find_binding("a", "for c in a: pass"))
+
+    def test_for_nested(self):
+        s = """
+            for b in r:
+                for a in b:
+                    pass"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            for b in r:
+                for a, c in b:
+                    pass"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            for b in r:
+                for (a, c) in b:
+                    pass"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            for b in r:
+                for (a,) in b:
+                    pass"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            for b in r:
+                for c, (a, d) in b:
+                    pass"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            for b in r:
+                for c in b:
+                    a = 7"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            for b in r:
+                for c in b:
+                    d = a"""
+        self.assertFalse(self.find_binding("a", s))
+
+        s = """
+            for b in r:
+                for c in a:
+                    d = 7"""
+        self.assertFalse(self.find_binding("a", s))
+
+    def test_if(self):
+        self.assertTrue(self.find_binding("a", "if b in r: a = c"))
+        self.assertFalse(self.find_binding("a", "if a in r: d = e"))
+
+    def test_if_nested(self):
+        s = """
+            if b in r:
+                if c in d:
+                    a = c"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            if b in r:
+                if c in d:
+                    c = a"""
+        self.assertFalse(self.find_binding("a", s))
+
+    def test_while(self):
+        self.assertTrue(self.find_binding("a", "while b in r: a = c"))
+        self.assertFalse(self.find_binding("a", "while a in r: d = e"))
+
+    def test_while_nested(self):
+        s = """
+            while b in r:
+                while c in d:
+                    a = c"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            while b in r:
+                while c in d:
+                    c = a"""
+        self.assertFalse(self.find_binding("a", s))
+
+    def test_try_except(self):
+        s = """
+            try:
+                a = 6
+            except:
+                b = 8"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            try:
+                b = 8
+            except:
+                a = 6"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            try:
+                b = 8
+            except KeyError:
+                pass
+            except:
+                a = 6"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            try:
+                b = 8
+            except:
+                b = 6"""
+        self.assertFalse(self.find_binding("a", s))
+
+    def test_try_except_nested(self):
+        s = """
+            try:
+                try:
+                    a = 6
+                except:
+                    pass
+            except:
+                b = 8"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            try:
+                b = 8
+            except:
+                try:
+                    a = 6
+                except:
+                    pass"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            try:
+                b = 8
+            except:
+                try:
+                    pass
+                except:
+                    a = 6"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            try:
+                try:
+                    b = 8
+                except KeyError:
+                    pass
+                except:
+                    a = 6
+            except:
+                pass"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            try:
+                pass
+            except:
+                try:
+                    b = 8
+                except KeyError:
+                    pass
+                except:
+                    a = 6"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            try:
+                b = 8
+            except:
+                b = 6"""
+        self.assertFalse(self.find_binding("a", s))
+
+        s = """
+            try:
+                try:
+                    b = 8
+                except:
+                    c = d
+            except:
+                try:
+                    b = 6
+                except:
+                    t = 8
+                except:
+                    o = y"""
+        self.assertFalse(self.find_binding("a", s))
+
+    def test_try_except_finally(self):
+        s = """
+            try:
+                c = 6
+            except:
+                b = 8
+            finally:
+                a = 9"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            try:
+                b = 8
+            finally:
+                a = 6"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            try:
+                b = 8
+            finally:
+                b = 6"""
+        self.assertFalse(self.find_binding("a", s))
+
+        s = """
+            try:
+                b = 8
+            except:
+                b = 9
+            finally:
+                b = 6"""
+        self.assertFalse(self.find_binding("a", s))
+
+    def test_try_except_finally_nested(self):
+        s = """
+            try:
+                c = 6
+            except:
+                b = 8
+            finally:
+                try:
+                    a = 9
+                except:
+                    b = 9
+                finally:
+                    c = 9"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            try:
+                b = 8
+            finally:
+                try:
+                    pass
+                finally:
+                    a = 6"""
+        self.assertTrue(self.find_binding("a", s))
+
+        s = """
+            try:
+                b = 8
+            finally:
+                try:
+                    b = 6
+                finally:
+                    b = 7"""
+        self.assertFalse(self.find_binding("a", s))
+
+class Test_touch_import(support.TestCase):
+
+    def test_after_docstring(self):
+        node = parse('"""foo"""\nbar()')
+        fixer_util.touch_import(None, "foo", node)
+        self.assertEqual(str(node), '"""foo"""\nimport foo\nbar()\n\n')
+
+    def test_after_imports(self):
+        node = parse('"""foo"""\nimport bar\nbar()')
+        fixer_util.touch_import(None, "foo", node)
+        self.assertEqual(str(node), '"""foo"""\nimport bar\nimport foo\nbar()\n\n')
+
+    def test_beginning(self):
+        node = parse('bar()')
+        fixer_util.touch_import(None, "foo", node)
+        self.assertEqual(str(node), 'import foo\nbar()\n\n')
+
+    def test_from_import(self):
+        node = parse('bar()')
+        fixer_util.touch_import("html", "escape", node)
+        self.assertEqual(str(node), 'from html import escape\nbar()\n\n')
+
+    def test_name_import(self):
+        node = parse('bar()')
+        fixer_util.touch_import(None, "cgi", node)
+        self.assertEqual(str(node), 'import cgi\nbar()\n\n')
+
+class Test_find_indentation(support.TestCase):
+
+    def test_nothing(self):
+        fi = fixer_util.find_indentation
+        node = parse("node()")
+        self.assertEqual(fi(node), u"")
+        node = parse("")
+        self.assertEqual(fi(node), u"")
+
+    def test_simple(self):
+        fi = fixer_util.find_indentation
+        node = parse("def f():\n    x()")
+        self.assertEqual(fi(node), u"")
+        self.assertEqual(fi(node.children[0].children[4].children[2]), u"    ")
+        node = parse("def f():\n    x()\n    y()")
+        self.assertEqual(fi(node.children[0].children[4].children[4]), u"    ")