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A stab in the dark attempt to fix the alpha/tru64 buildbot problem and add more

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test coverage of valid inputs to zlib.crc32.
This commit is contained in:
Gregory P. Smith 2008-03-25 06:12:45 +00:00
parent 4677fbf7de
commit 88440960f9
2 changed files with 11 additions and 2 deletions
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9
Lib/test/test_zlib.py
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@ -53,6 +53,15 @@ class ChecksumTestCase(unittest.TestCase):
self.assertEqual(binascii.crc32(foo), zlib.crc32(foo))
self.assertEqual(binascii.crc32('spam'), zlib.crc32('spam'))
def test_negative_crc_iv_input(self):
# The range of valid input values for the crc state should be
# -2**31 through 2**32-1 to allow inputs artifically constrained
# to a signed 32-bit integer.
self.assertEqual(zlib.crc32('ham', -1), zlib.crc32('ham', 0xffffffffL))
self.assertEqual(zlib.crc32('spam', -3141593),
zlib.crc32('spam', 0xffd01027L))
self.assertEqual(zlib.crc32('spam', -(2**31)),
zlib.crc32('spam', (2**31)))
class ExceptionTestCase(unittest.TestCase):