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diff --git a/lib/python2.7/test/test_charmapcodec.py b/lib/python2.7/test/test_charmapcodec.py
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+++ b/lib/python2.7/test/test_charmapcodec.py
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+""" Python character mapping codec test
+
+This uses the test codec in testcodec.py and thus also tests the
+encodings package lookup scheme.
+
+Written by Marc-Andre Lemburg (mal@lemburg.com).
+
+(c) Copyright 2000 Guido van Rossum.
+
+"""#"
+
+import test.test_support, unittest
+
+import codecs
+
+# Register a search function which knows about our codec
+def codec_search_function(encoding):
+    if encoding == 'testcodec':
+        from test import testcodec
+        return tuple(testcodec.getregentry())
+    return None
+
+codecs.register(codec_search_function)
+
+# test codec's name (see test/testcodec.py)
+codecname = 'testcodec'
+
+class CharmapCodecTest(unittest.TestCase):
+    def test_constructorx(self):
+        self.assertEqual(unicode('abc', codecname), u'abc')
+        self.assertEqual(unicode('xdef', codecname), u'abcdef')
+        self.assertEqual(unicode('defx', codecname), u'defabc')
+        self.assertEqual(unicode('dxf', codecname), u'dabcf')
+        self.assertEqual(unicode('dxfx', codecname), u'dabcfabc')
+
+    def test_encodex(self):
+        self.assertEqual(u'abc'.encode(codecname), 'abc')
+        self.assertEqual(u'xdef'.encode(codecname), 'abcdef')
+        self.assertEqual(u'defx'.encode(codecname), 'defabc')
+        self.assertEqual(u'dxf'.encode(codecname), 'dabcf')
+        self.assertEqual(u'dxfx'.encode(codecname), 'dabcfabc')
+
+    def test_constructory(self):
+        self.assertEqual(unicode('ydef', codecname), u'def')
+        self.assertEqual(unicode('defy', codecname), u'def')
+        self.assertEqual(unicode('dyf', codecname), u'df')
+        self.assertEqual(unicode('dyfy', codecname), u'df')
+
+    def test_maptoundefined(self):
+        self.assertRaises(UnicodeError, unicode, 'abc\001', codecname)
+
+def test_main():
+    test.test_support.run_unittest(CharmapCodecTest)
+
+if __name__ == "__main__":
+    test_main()