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#4841: Fix FileIO constructor to honor closefd when called repeatedly

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Patch by Victor Stinner.
This commit is contained in:
Hynek Schlawack 2012-05-25 10:27:43 +02:00
commit 9866d96e48
2 changed files with 20 additions and 3 deletions
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13
Lib/test/test_io.py
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@ -643,6 +643,19 @@ class IOTest(unittest.TestCase):
with self.open("non-existent", "r", opener=opener) as f:
self.assertEqual(f.read(), "egg\n")
def test_fileio_closefd(self):
# Issue #4841
with self.open(__file__, 'rb') as f1, \
self.open(__file__, 'rb') as f2:
fileio = self.FileIO(f1.fileno(), closefd=False)
# .__init__() must not close f1
fileio.__init__(f2.fileno(), closefd=False)
f1.readline()
# .close() must not close f2
fileio.close()
f2.readline()
class CIOTest(IOTest):
def test_IOBase_finalize(self):