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.
diff --git a/Lib/test/test_multibytecodec.py b/Lib/test/test_multibytecodec.py
index de27339..b6557f3 100644
--- a/Lib/test/test_multibytecodec.py
+++ b/Lib/test/test_multibytecodec.py
@@ -136,11 +136,19 @@
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
def test_gb18030(self):
- s= StringIO.StringIO()
+ s = StringIO.StringIO()
c = codecs.getwriter('gb18030')(s)
c.write(u'123')
self.assertEqual(s.getvalue(), '123')