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#15676: mmap: add empty file check prior to offset check <- Previous patch was incomplete

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This commit is contained in:
Jesus Cea 2012-09-10 22:45:47 +02:00
parent 3fb774ec5f
commit 20f0ea1f61
2 changed files with 14 additions and 12 deletions
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21
Lib/test/test_mmap.py
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@ -469,18 +469,15 @@ class MmapTests(unittest.TestCase):
def test_empty_file (self):
f = open (TESTFN, 'w+b')
f.close()
f = open(TESTFN, "rb")
try:
m = mmap.mmap(f.fileno(), 0, access=mmap.ACCESS_READ)
m.close()
f.close()
self.fail("should not have been able to mmap empty file")
except ValueError as e:
f.close()
self.assertEqual(e.message, "cannot mmap an empty file")
except:
f.close()
self.fail("unexpected exception: " + str(e))
with open(TESTFN, "rb") as f :
try:
m = mmap.mmap(f.fileno(), 0, access=mmap.ACCESS_READ)
m.close()
self.fail("should not have been able to mmap empty file")
except ValueError as e:
self.assertEqual(e.message, "cannot mmap an empty file")
except:
self.fail("unexpected exception: " + str(e))
def test_offset (self):
f = open (TESTFN, 'w+b')