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author | Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> | 2009-02-28 12:42:16 (GMT) |
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committer | Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> | 2009-02-28 12:42:16 (GMT) |
commit | 4b27e963e740c1676c258ee7ab9a4685bc6f7515 (patch) | |
tree | 6e14fdd1db7a7b24e6992461e8b29595957e904d /Lib/test | |
parent | e363fa020b1775879f16bac99e2eb5f1d42f8fd3 (diff) | |
download | cpython-4b27e963e740c1676c258ee7ab9a4685bc6f7515.zip cpython-4b27e963e740c1676c258ee7ab9a4685bc6f7515.tar.gz cpython-4b27e963e740c1676c258ee7ab9a4685bc6f7515.tar.bz2 |
Merged revisions 70056 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r70056 | hirokazu.yamamoto | 2009-02-28 21:13:07 +0900 | 2 lines
Issue #1733986: Fixed mmap crash in accessing elements of second map object
with same tagname but larger size than first map. (Windows)
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Diffstat (limited to 'Lib/test')
-rw-r--r-- | Lib/test/test_mmap.py | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Lib/test/test_mmap.py b/Lib/test/test_mmap.py index c8e52a6..1ad611d 100644 --- a/Lib/test/test_mmap.py +++ b/Lib/test/test_mmap.py @@ -499,6 +499,34 @@ class MmapTests(unittest.TestCase): m.seek(8) self.assertRaises(ValueError, m.write, "bar") + if os.name == 'nt': + def test_tagname(self): + data1 = "0123456789" + data2 = "abcdefghij" + assert len(data1) == len(data2) + # Test same tag + m1 = mmap.mmap(-1, len(data1), tagname="foo") + m1[:] = data1 + m2 = mmap.mmap(-1, len(data2), tagname="foo") + m2[:] = data2 + self.assertEquals(m1[:], data2) + self.assertEquals(m2[:], data2) + # Test differnt tag + m1 = mmap.mmap(-1, len(data1), tagname="foo") + m1[:] = data1 + m2 = mmap.mmap(-1, len(data2), tagname="boo") + m2[:] = data2 + self.assertEquals(m1[:], data1) + self.assertEquals(m2[:], data2) + + def test_tagname_crash(self): + # Should not crash (Issue 1733986) + m = mmap.mmap(-1, 1000, tagname="foo") + try: + mmap.mmap(-1, 5000, tagname="foo")[:] # same tagname, but larger size + except: + pass + def test_main(): run_unittest(MmapTests) |