1 files changed, 157 insertions, 0 deletions
diff --git a/lib/python2.7/json/tests/test_scanstring.py b/lib/python2.7/json/tests/test_scanstring.py
new file mode 100644
index 0000000..ed80a41
--- /dev/null
+++ b/lib/python2.7/json/tests/test_scanstring.py
@@ -0,0 +1,157 @@
+import sys
+from json.tests import PyTest, CTest
+
+
+class TestScanstring(object):
+    def test_scanstring(self):
+        scanstring = self.json.decoder.scanstring
+        if sys.maxunicode == 65535:
+            self.assertEqual(
+                scanstring(u'"z\U0001d120x"', 1, None, True),
+                (u'z\U0001d120x', 6))
+        else:
+            self.assertEqual(
+                scanstring(u'"z\U0001d120x"', 1, None, True),
+                (u'z\U0001d120x', 5))
+
+        self.assertEqual(
+            scanstring('"\\u007b"', 1, None, True),
+            (u'{', 8))
+
+        self.assertEqual(
+            scanstring('"A JSON payload should be an object or array, not a string."', 1, None, True),
+            (u'A JSON payload should be an object or array, not a string.', 60))
+
+        self.assertEqual(
+            scanstring('["Unclosed array"', 2, None, True),
+            (u'Unclosed array', 17))
+
+        self.assertEqual(
+            scanstring('["extra comma",]', 2, None, True),
+            (u'extra comma', 14))
+
+        self.assertEqual(
+            scanstring('["double extra comma",,]', 2, None, True),
+            (u'double extra comma', 21))
+
+        self.assertEqual(
+            scanstring('["Comma after the close"],', 2, None, True),
+            (u'Comma after the close', 24))
+
+        self.assertEqual(
+            scanstring('["Extra close"]]', 2, None, True),
+            (u'Extra close', 14))
+
+        self.assertEqual(
+            scanstring('{"Extra comma": true,}', 2, None, True),
+            (u'Extra comma', 14))
+
+        self.assertEqual(
+            scanstring('{"Extra value after close": true} "misplaced quoted value"', 2, None, True),
+            (u'Extra value after close', 26))
+
+        self.assertEqual(
+            scanstring('{"Illegal expression": 1 + 2}', 2, None, True),
+            (u'Illegal expression', 21))
+
+        self.assertEqual(
+            scanstring('{"Illegal invocation": alert()}', 2, None, True),
+            (u'Illegal invocation', 21))
+
+        self.assertEqual(
+            scanstring('{"Numbers cannot have leading zeroes": 013}', 2, None, True),
+            (u'Numbers cannot have leading zeroes', 37))
+
+        self.assertEqual(
+            scanstring('{"Numbers cannot be hex": 0x14}', 2, None, True),
+            (u'Numbers cannot be hex', 24))
+
+        self.assertEqual(
+            scanstring('[[[[[[[[[[[[[[[[[[[["Too deep"]]]]]]]]]]]]]]]]]]]]', 21, None, True),
+            (u'Too deep', 30))
+
+        self.assertEqual(
+            scanstring('{"Missing colon" null}', 2, None, True),
+            (u'Missing colon', 16))
+
+        self.assertEqual(
+            scanstring('{"Double colon":: null}', 2, None, True),
+            (u'Double colon', 15))
+
+        self.assertEqual(
+            scanstring('{"Comma instead of colon", null}', 2, None, True),
+            (u'Comma instead of colon', 25))
+
+        self.assertEqual(
+            scanstring('["Colon instead of comma": false]', 2, None, True),
+            (u'Colon instead of comma', 25))
+
+        self.assertEqual(
+            scanstring('["Bad value", truth]', 2, None, True),
+            (u'Bad value', 12))
+
+    def test_surrogates(self):
+        scanstring = self.json.decoder.scanstring
+        def assertScan(given, expect):
+            self.assertEqual(scanstring(given, 1, None, True),
+                             (expect, len(given)))
+            if not isinstance(given, unicode):
+                given = unicode(given)
+                self.assertEqual(scanstring(given, 1, None, True),
+                                 (expect, len(given)))
+
+        surrogates = unichr(0xd834) + unichr(0xdd20)
+        assertScan('"z\\ud834\\u0079x"', u'z\ud834yx')
+        assertScan('"z\\ud834\\udd20x"', u'z\U0001d120x')
+        assertScan('"z\\ud834\\ud834\\udd20x"', u'z\ud834\U0001d120x')
+        assertScan('"z\\ud834x"', u'z\ud834x')
+        assertScan(u'"z\\ud834\udd20x12345"', u'z%sx12345' % surrogates)
+        assertScan('"z\\udd20x"', u'z\udd20x')
+        assertScan(u'"z\ud834\udd20x"', u'z\ud834\udd20x')
+        assertScan(u'"z\ud834\\udd20x"', u'z%sx' % surrogates)
+        assertScan(u'"z\ud834x"', u'z\ud834x')
+
+    def test_bad_escapes(self):
+        scanstring = self.json.decoder.scanstring
+        bad_escapes = [
+            '"\\"',
+            '"\\x"',
+            '"\\u"',
+            '"\\u0"',
+            '"\\u01"',
+            '"\\u012"',
+            '"\\uz012"',
+            '"\\u0z12"',
+            '"\\u01z2"',
+            '"\\u012z"',
+            '"\\u0x12"',
+            '"\\u0X12"',
+            '"\\ud834\\"',
+            '"\\ud834\\u"',
+            '"\\ud834\\ud"',
+            '"\\ud834\\udd"',
+            '"\\ud834\\udd2"',
+            '"\\ud834\\uzdd2"',
+            '"\\ud834\\udzd2"',
+            '"\\ud834\\uddz2"',
+            '"\\ud834\\udd2z"',
+            '"\\ud834\\u0x20"',
+            '"\\ud834\\u0X20"',
+        ]
+        for s in bad_escapes:
+            with self.assertRaises(ValueError):
+                scanstring(s, 1, None, True)
+
+    def test_issue3623(self):
+        self.assertRaises(ValueError, self.json.decoder.scanstring, b"xxx", 1,
+                          "xxx")
+        self.assertRaises(UnicodeDecodeError,
+                          self.json.encoder.encode_basestring_ascii, b"xx\xff")
+
+    def test_overflow(self):
+        with self.assertRaises(OverflowError):
+            self.json.decoder.scanstring(b"xxx", sys.maxsize+1)
+
+
+class TestPyScanstring(TestScanstring, PyTest): pass
+class TestCScanstring(TestScanstring, CTest): pass