diff options
| author | Benjamin Peterson <benjamin@python.org> | 2014-11-12 15:19:46 (GMT) |
|---|---|---|
| committer | Benjamin Peterson <benjamin@python.org> | 2014-11-12 15:19:46 (GMT) |
| commit | 6c14f231005a2a3a63bd4b0157c908e94bd834ac (patch) | |
| tree | 8d1e7e34b0f8b26dd89272091636bd34dce0104d /Lib/test/test_io.py | |
| parent | dfede95a069d418c91a26d5999958b525172e687 (diff) | |
| download | cpython-6c14f231005a2a3a63bd4b0157c908e94bd834ac.zip cpython-6c14f231005a2a3a63bd4b0157c908e94bd834ac.tar.gz cpython-6c14f231005a2a3a63bd4b0157c908e94bd834ac.tar.bz2 | |
fix possible double free in TextIOWrapper.__init__ (closes #22849)
Diffstat (limited to 'Lib/test/test_io.py')
| -rw-r--r-- | Lib/test/test_io.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py index b5506b0..940e921 100644 --- a/Lib/test/test_io.py +++ b/Lib/test/test_io.py @@ -2784,6 +2784,21 @@ class TextIOWrapperTest(unittest.TestCase): self.assertFalse(err) self.assertEqual("ok", out.decode().strip()) + def test_issue22849(self): + class F(object): + def readable(self): return True + def writable(self): return True + def seekable(self): return True + + for i in range(10): + try: + self.TextIOWrapper(F(), encoding='utf-8') + except Exception: + pass + + F.tell = lambda x: 0 + t = self.TextIOWrapper(F(), encoding='utf-8') + class CTextIOWrapperTest(TextIOWrapperTest): io = io |