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Closes #15676: mmap: add empty file check prior to offset check

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Jesus Cea 2012-09-10 01:23:05 +02:00
commit 1b3f3b0316
3 changed files with 17 additions and 0 deletions
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9
Lib/test/test_mmap.py
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@ -488,6 +488,15 @@ class MmapTests(unittest.TestCase):
f.flush ()
return mmap.mmap (f.fileno(), 0)
def test_empty_file (self):
f = open (TESTFN, 'w+b')
f.close()
f = open(TESTFN, "rb")
self.assertRaisesRegex(ValueError,
"cannot mmap an empty file",
mmap.mmap, f.fileno(), 0, access=mmap.ACCESS_READ)
f.close()
def test_offset (self):
f = open (TESTFN, 'w+b')