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Viewing changes to Lib/test/test_hash.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-02-16 17:18:23 UTC
  • mfrom: (1.1.4 upstream)
  • Revision ID: james.westby@ubuntu.com-20090216171823-1d5cm5qnnjvmnzzm
Tags: 3.0.1-0ubuntu1
New upstream version.

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Lib/test/test_hash.py
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        # for 64-bit platforms
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        self.same_hash(int(2**31), float(2**31))
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        self.same_hash(int(-2**63), float(-2**63))
 
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        self.same_hash(int(2**63), float(2**63))
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    def test_coerced_floats(self):
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        self.same_hash(int(1.23e300), float(1.23e300))
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    def __ne__(self, other):
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        return self is not other
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class OnlyCmp(object):
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    def __cmp__(self, other):
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        return cmp(id(self), id(other))
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class InheritedHashWithEquality(FixedHash, OnlyEquality): pass
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class InheritedHashWithInequality(FixedHash, OnlyInequality): pass
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class InheritedHashWithCmp(FixedHash, OnlyCmp): pass
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class NoHash(object):
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    __hash__ = None
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    fixed_expected = [FixedHash(),
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                      InheritedHashWithEquality(),
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                      InheritedHashWithInequality(),
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                      InheritedHashWithCmp(),
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                      ]
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    error_expected = [NoHash(),
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                      OnlyEquality(),
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            self.assertFalse(isinstance(obj, Hashable), repr(obj))
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# Issue #4701: Check that some builtin types are correctly hashable
 
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class DefaultIterSeq(object):
 
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    seq = range(10)
 
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    def __len__(self):
 
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        return len(self.seq)
 
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    def __getitem__(self, index):
 
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        return self.seq[index]
 
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class HashBuiltinsTestCase(unittest.TestCase):
 
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    hashes_to_check = [range(10),
 
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                       enumerate(range(10)),
 
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                       iter(DefaultIterSeq()),
 
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                       iter(lambda: 0, 0),
 
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                      ]
 
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    def test_hashes(self):
 
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        _default_hash = object.__hash__
 
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        for obj in self.hashes_to_check:
 
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            self.assertEqual(hash(obj), _default_hash(obj))
 
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def test_main():
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    support.run_unittest(HashEqualityTestCase,
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                         HashInheritanceTestCase)
 
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                              HashInheritanceTestCase,
 
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                              HashBuiltinsTestCase)
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if __name__ == "__main__":