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diff --git a/lib/python2.7/bsddb/test/test_sequence.py b/lib/python2.7/bsddb/test/test_sequence.py
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+++ b/lib/python2.7/bsddb/test/test_sequence.py
@@ -0,0 +1,136 @@
+import unittest
+import os
+
+from test_all import db, test_support, get_new_environment_path, get_new_database_path
+
+
+class DBSequenceTest(unittest.TestCase):
+    def setUp(self):
+        self.int_32_max = 0x100000000
+        self.homeDir = get_new_environment_path()
+        self.filename = "test"
+
+        self.dbenv = db.DBEnv()
+        self.dbenv.open(self.homeDir, db.DB_CREATE | db.DB_INIT_MPOOL, 0666)
+        self.d = db.DB(self.dbenv)
+        self.d.open(self.filename, db.DB_BTREE, db.DB_CREATE, 0666)
+
+    def tearDown(self):
+        if hasattr(self, 'seq'):
+            self.seq.close()
+            del self.seq
+        if hasattr(self, 'd'):
+            self.d.close()
+            del self.d
+        if hasattr(self, 'dbenv'):
+            self.dbenv.close()
+            del self.dbenv
+
+        test_support.rmtree(self.homeDir)
+
+    def test_get(self):
+        self.seq = db.DBSequence(self.d, flags=0)
+        start_value = 10 * self.int_32_max
+        self.assertEqual(0xA00000000, start_value)
+        self.assertEqual(None, self.seq.initial_value(start_value))
+        self.assertEqual(None, self.seq.open(key='id', txn=None, flags=db.DB_CREATE))
+        self.assertEqual(start_value, self.seq.get(5))
+        self.assertEqual(start_value + 5, self.seq.get())
+
+    def test_remove(self):
+        self.seq = db.DBSequence(self.d, flags=0)
+        self.assertEqual(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
+        self.assertEqual(None, self.seq.remove(txn=None, flags=0))
+        del self.seq
+
+    def test_get_key(self):
+        self.seq = db.DBSequence(self.d, flags=0)
+        key = 'foo'
+        self.assertEqual(None, self.seq.open(key=key, txn=None, flags=db.DB_CREATE))
+        self.assertEqual(key, self.seq.get_key())
+
+    def test_get_dbp(self):
+        self.seq = db.DBSequence(self.d, flags=0)
+        self.assertEqual(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
+        self.assertEqual(self.d, self.seq.get_dbp())
+
+    def test_cachesize(self):
+        self.seq = db.DBSequence(self.d, flags=0)
+        cashe_size = 10
+        self.assertEqual(None, self.seq.set_cachesize(cashe_size))
+        self.assertEqual(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
+        self.assertEqual(cashe_size, self.seq.get_cachesize())
+
+    def test_flags(self):
+        self.seq = db.DBSequence(self.d, flags=0)
+        flag = db.DB_SEQ_WRAP;
+        self.assertEqual(None, self.seq.set_flags(flag))
+        self.assertEqual(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
+        self.assertEqual(flag, self.seq.get_flags() & flag)
+
+    def test_range(self):
+        self.seq = db.DBSequence(self.d, flags=0)
+        seq_range = (10 * self.int_32_max, 11 * self.int_32_max - 1)
+        self.assertEqual(None, self.seq.set_range(seq_range))
+        self.seq.initial_value(seq_range[0])
+        self.assertEqual(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
+        self.assertEqual(seq_range, self.seq.get_range())
+
+    def test_stat(self):
+        self.seq = db.DBSequence(self.d, flags=0)
+        self.assertEqual(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
+        stat = self.seq.stat()
+        for param in ('nowait', 'min', 'max', 'value', 'current',
+                      'flags', 'cache_size', 'last_value', 'wait'):
+            self.assertTrue(param in stat, "parameter %s isn't in stat info" % param)
+
+    if db.version() >= (4,7) :
+        # This code checks a crash solved in Berkeley DB 4.7
+        def test_stat_crash(self) :
+            d=db.DB()
+            d.open(None,dbtype=db.DB_HASH,flags=db.DB_CREATE)  # In RAM
+            seq = db.DBSequence(d, flags=0)
+
+            self.assertRaises(db.DBNotFoundError, seq.open,
+                    key='id', txn=None, flags=0)
+
+            self.assertRaises(db.DBInvalidArgError, seq.stat)
+
+            d.close()
+
+    def test_64bits(self) :
+        # We don't use both extremes because they are problematic
+        value_plus=(1L<<63)-2
+        self.assertEqual(9223372036854775806L,value_plus)
+        value_minus=(-1L<<63)+1  # Two complement
+        self.assertEqual(-9223372036854775807L,value_minus)
+        self.seq = db.DBSequence(self.d, flags=0)
+        self.assertEqual(None, self.seq.initial_value(value_plus-1))
+        self.assertEqual(None, self.seq.open(key='id', txn=None,
+            flags=db.DB_CREATE))
+        self.assertEqual(value_plus-1, self.seq.get(1))
+        self.assertEqual(value_plus, self.seq.get(1))
+
+        self.seq.remove(txn=None, flags=0)
+
+        self.seq = db.DBSequence(self.d, flags=0)
+        self.assertEqual(None, self.seq.initial_value(value_minus))
+        self.assertEqual(None, self.seq.open(key='id', txn=None,
+            flags=db.DB_CREATE))
+        self.assertEqual(value_minus, self.seq.get(1))
+        self.assertEqual(value_minus+1, self.seq.get(1))
+
+    def test_multiple_close(self):
+        self.seq = db.DBSequence(self.d)
+        self.seq.close()  # You can close a Sequence multiple times
+        self.seq.close()
+        self.seq.close()
+
+def test_suite():
+    suite = unittest.TestSuite()
+    suite.addTest(unittest.makeSuite(DBSequenceTest))
+    return suite
+
+
+if __name__ == '__main__':
+    unittest.main(defaultTest='test_suite')