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(Backport from r55770)

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Bug #1728403: Fix a bug that CJKCodecs StreamReader hangs when it
reads a file that ends with incomplete sequence and sizehint argument
for .read() is specified.
This commit is contained in:
Hye-Shik Chang 2007-06-05 19:14:33 +00:00
parent c9490e2fe9
commit 60111e09a9
3 changed files with 18 additions and 1 deletions
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9
Lib/test/test_multibytecodec.py
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@ -136,6 +136,14 @@ class Test_IncrementalDecoder(unittest.TestCase):
self.assertRaises(UnicodeDecodeError, decoder.decode, '', True)
self.assertEqual(decoder.decode('B@$'), u'\u4e16')
class Test_StreamReader(unittest.TestCase):
def test_bug1728403(self):
try:
open(TESTFN, 'w').write('\xa1')
f = codecs.open(TESTFN, encoding='cp949')
self.assertRaises(UnicodeDecodeError, f.read, 2)
finally:
os.unlink(TESTFN)
class Test_StreamWriter(unittest.TestCase):
if len(u'\U00012345') == 2: # UCS2
@ -223,6 +231,7 @@ def test_main():
suite.addTest(unittest.makeSuite(Test_MultibyteCodec))
suite.addTest(unittest.makeSuite(Test_IncrementalEncoder))
suite.addTest(unittest.makeSuite(Test_IncrementalDecoder))
suite.addTest(unittest.makeSuite(Test_StreamReader))
suite.addTest(unittest.makeSuite(Test_StreamWriter))
suite.addTest(unittest.makeSuite(Test_ISO2022))
test_support.run_suite(suite)