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bpo-33760: Fix file leaks in test_io. (GH-7361) (GH-7370)

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(cherry picked from commit e36837cb71)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This commit is contained in:
Miss Islington (bot) 2018-06-03 20:15:10 -07:00 • committed by Ned Deily
parent 37343a2db8
commit 4d11fe7cad
1 changed files with 4 additions and 0 deletions
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4
Lib/test/test_io.py
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@ -1516,6 +1516,7 @@ class CBufferedReaderTest(BufferedReaderTest, SizeofTest):
def test_garbage_collection(self):
# C BufferedReader objects are collected.
# The Python version has __del__, so it ends into gc.garbage instead
self.addCleanup(support.unlink, support.TESTFN)
with support.check_warnings(('', ResourceWarning)):
rawio = self.FileIO(support.TESTFN, "w+b")
f = self.tp(rawio)
@ -1718,6 +1719,7 @@ class BufferedWriterTest(unittest.TestCase, CommonBufferedTests):
def test_truncate(self):
# Truncate implicitly flushes the buffer.
self.addCleanup(support.unlink, support.TESTFN)
with self.open(support.TESTFN, self.write_mode, buffering=0) as raw:
bufio = self.tp(raw, 8)
bufio.write(b"abcdef")
@ -1730,6 +1732,7 @@ class BufferedWriterTest(unittest.TestCase, CommonBufferedTests):
# Ensure that truncate preserves the file position after
# writes longer than the buffer size.
# Issue: https://bugs.python.org/issue32228
self.addCleanup(support.unlink, support.TESTFN)
with self.open(support.TESTFN, "wb") as f:
# Fill with some buffer
f.write(b'\x00' * 10000)
@ -1851,6 +1854,7 @@ class CBufferedWriterTest(BufferedWriterTest, SizeofTest):
# C BufferedWriter objects are collected, and collecting them flushes
# all data to disk.
# The Python version has __del__, so it ends into gc.garbage instead
self.addCleanup(support.unlink, support.TESTFN)
with support.check_warnings(('', ResourceWarning)):
rawio = self.FileIO(support.TESTFN, "w+b")
f = self.tp(rawio)