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Merged revisions 63791-63792 via svnmerge from

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  r63791 | thomas.heller | 2008-05-29 21:18:12 +0200 (Do, 29 Mai 2008) | 1 line

  Fix compiler warning.
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  r63792 | thomas.heller | 2008-05-29 21:42:34 +0200 (Do, 29 Mai 2008) | 1 line

  ctypes NULL function pointers have a boolean False value now.
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This commit is contained in:
Thomas Heller 2008-05-29 19:54:39 +00:00
parent 61dbbf02b6
commit 7dca3ebc97
2 changed files with 29 additions and 21 deletions
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8
Lib/ctypes/test/test_pointers.py
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@ -175,5 +175,13 @@ class PointersTestCase(unittest.TestCase):
self.assertRaises(TypeError, c_void_p, 3.14) # make sure floats are NOT accepted
self.assertRaises(TypeError, c_void_p, object()) # nor other objects
def test_pointers_bool(self):
# NULL pointers have a boolean False value, non-NULL pointers True.
self.failUnlessEqual(bool(POINTER(c_int)()), False)
self.failUnlessEqual(bool(pointer(c_int())), True)
self.failUnlessEqual(bool(CFUNCTYPE(None)(0)), False)
self.failUnlessEqual(bool(CFUNCTYPE(None)(42)), True)
if __name__ == '__main__':
unittest.main()