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authorBenjamin Peterson <benjamin@python.org>2009-03-31 23:11:32 (GMT)
committerBenjamin Peterson <benjamin@python.org>2009-03-31 23:11:32 (GMT)
commita1b49013f477e83bd1652f651f35c2e4eea54b67 (patch)
treee56aaae216ffdb72108a7131de3f2dd38ddc8244 /Lib/test
parentd2ee64d9dd62942488a2f7fff18a21b87da7f7a9 (diff)
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fix TextIOWrapper.read() when the buffer is not readable #5628
Diffstat (limited to 'Lib/test')
-rw-r--r--Lib/test/test_io.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index d5be405..53017f3 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -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 = ""