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Check whether a string resize is necessary at the end

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of PyString_DecodeEscape(). This prevents a call to
_PyString_Resize() for the empty string, which would
result in a PyErr_BadInternalCall(), because the
empty string has more than one reference.

This closes SF bug http://www.python.org/sf/603937
This commit is contained in:
Walter Dörwald 2002-09-03 13:53:40 +00:00
parent 8e790e7007
commit 8709a420c4
2 changed files with 12 additions and 4 deletions
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9
Lib/test/test_codecs.py
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@ -23,9 +23,16 @@ class UTF16Test(unittest.TestCase):
f = reader(s)
self.assertEquals(f.read(), u"spamspam")
class EscapeDecodeTest(unittest.TestCase):
def test_empty_escape_decode(self):
self.assertEquals(codecs.escape_decode(""), ("", 0))
def test_main():
test_support.run_unittest(UTF16Test)
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(UTF16Test))
suite.addTest(unittest.makeSuite(EscapeDecodeTest))
test_support.run_suite(suite)
if __name__ == "__main__":