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Add simple test for fcntl.flock()

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This commit is contained in:
Christian Heimes 2013-12-05 16:13:03 +01:00
parent ac98a4e407
commit 0a956f1aec
1 changed files with 15 additions and 0 deletions
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15
Lib/test/test_fcntl.py
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@ -115,6 +115,21 @@ class TestFcntl(unittest.TestCase):
finally:
os.close(fd)
def test_flock(self):
self.f = open(TESTFN, 'wb')
fileno = self.f.fileno()
fcntl.flock(fileno, fcntl.LOCK_SH)
fcntl.flock(fileno, fcntl.LOCK_UN)
fcntl.flock(self.f, fcntl.LOCK_SH | fcntl.LOCK_NB)
fcntl.flock(self.f, fcntl.LOCK_UN)
fcntl.flock(fileno, fcntl.LOCK_EX)
fcntl.flock(fileno, fcntl.LOCK_UN)
self.assertRaises(ValueError, fcntl.flock, -1, fcntl.LOCK_SH)
self.assertRaises(TypeError, fcntl.flock, 'spam', fcntl.LOCK_SH)
self.assertRaises(OverflowError, fcntl.flock, _testcapi.INT_MAX+1,
fcntl.LOCK_SH)
def test_main():
run_unittest(TestFcntl)