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fix TextIOWrapper.read() when the buffer is not readable #5628

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Benjamin Peterson 2009-03-31 23:11:32 +00:00
parent d2ee64d9dd
commit a1b49013f4
4 changed files with 15 additions and 0 deletions
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7
Lib/test/test_io.py
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@ -1754,6 +1754,13 @@ class TextIOWrapperTest(unittest.TestCase):
self.assertEquals(f.read(), data * 2)
self.assertEquals(buf.getvalue(), (data * 2).encode(encoding))
def test_unreadable(self):
class UnReadable(self.BytesIO):
def readable(self):
return False
txt = self.TextIOWrapper(UnReadable())
self.assertRaises(IOError, txt.read)
def test_read_one_by_one(self):
txt = self.TextIOWrapper(self.BytesIO(b"AA\r\nBB"))
reads = ""