Mercurial > cpython-lru_cache-weakref
diff Lib/test/test_bytes.py @ 58389:fb337cb46b9d 3.1
Merged revisions 77576 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k
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r77576 | antoine.pitrou | 2010-01-17 13:38:54 +0100 (dim., 17 janv. 2010) | 12 lines
Merged revisions 77573 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r77573 | antoine.pitrou | 2010-01-17 13:26:20 +0100 (dim., 17 janv. 2010) | 6 lines
Issue #7561: Operations on empty bytearrays (such as `int(bytearray())`)
could crash in many places because of the PyByteArray_AS_STRING() macro
returning NULL. The macro now returns a statically allocated empty
string instead.
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| author | Antoine Pitrou <solipsis@pitrou.net> |
|---|---|
| date | Sun, 17 Jan 2010 12:43:00 +0000 |
| parents | b0e4efb83d60 |
| children | 6de64896c6f8 |
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--- a/Lib/test/test_bytes.py Sun Jan 17 12:19:45 2010 +0000 +++ b/Lib/test/test_bytes.py Sun Jan 17 12:43:00 2010 +0000 @@ -811,6 +811,14 @@ self.assertRaises(BufferError, delslice) self.assertEquals(b, orig) + def test_empty_bytearray(self): + # Issue #7561: operations on empty bytearrays could crash in many + # situations, due to a fragile implementation of the + # PyByteArray_AS_STRING() C macro. + self.assertRaises(ValueError, int, bytearray(b'')) + self.assertRaises((ValueError, OSError), os.mkdir, bytearray(b'')) + + class AssortedBytesTest(unittest.TestCase): # # Test various combinations of bytes and bytearray