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| author | Guido van Rossum <guido@python.org> | 2007-03-27 22:37:34 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 2007-03-27 22:37:34 (GMT) |
| commit | e27dc7230845aa341d9a0bf323fa14912713cf33 (patch) | |
| tree | 80e5451f5dac1bc5ac01ee3b70eaf9aff0461f31 /Lib/test/test_compare.py | |
| parent | a4335b1e6bc357fb6a3d54298e74a1d957028bc3 (diff) | |
| download | cpython-e27dc7230845aa341d9a0bf323fa14912713cf33.zip cpython-e27dc7230845aa341d9a0bf323fa14912713cf33.tar.gz cpython-e27dc7230845aa341d9a0bf323fa14912713cf33.tar.bz2 | |
By default, != returns the opposite of ==, unless the latter returns
NotImplemented.
(Is this worth backporting to 2.6? It seems so useful...!)
Diffstat (limited to 'Lib/test/test_compare.py')
| -rw-r--r-- | Lib/test/test_compare.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/test/test_compare.py b/Lib/test/test_compare.py index 1d0da69..c660837 100644 --- a/Lib/test/test_compare.py +++ b/Lib/test/test_compare.py @@ -39,6 +39,12 @@ class ComparisonTest(unittest.TestCase): self.assertEqual(a == b, id(a) == id(b), 'a=%r, b=%r' % (a, b)) + def test_ne_defaults_to_not_eq(self): + a = Cmp(1) + b = Cmp(1) + self.assertTrue(a == b) + self.assertFalse(a != b) + def test_main(): test_support.run_unittest(ComparisonTest) |