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| author | Nick Coghlan <ncoghlan@gmail.com> | 2008-07-15 14:27:37 (GMT) |
|---|---|---|
| committer | Nick Coghlan <ncoghlan@gmail.com> | 2008-07-15 14:27:37 (GMT) |
| commit | 53663a695ef2bb96ac0252cd4cc4aa40d4f953be (patch) | |
| tree | e241ef71b353f8b3162179b1eed5a3f4eaae0c5f /Lib/test/test_descr.py | |
| parent | 9ace15ca25e1e72e1b943190a5f4efbd7d118de3 (diff) | |
| download | cpython-53663a695ef2bb96ac0252cd4cc4aa40d4f953be.zip cpython-53663a695ef2bb96ac0252cd4cc4aa40d4f953be.tar.gz cpython-53663a695ef2bb96ac0252cd4cc4aa40d4f953be.tar.bz2 | |
Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Diffstat (limited to 'Lib/test/test_descr.py')
| -rw-r--r-- | Lib/test/test_descr.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py index 3c607f7..53b7611 100644 --- a/Lib/test/test_descr.py +++ b/Lib/test/test_descr.py @@ -3283,12 +3283,20 @@ order (MRO) for bases """ self.assertEqual(hash(d), 144) D.__hash__ = lambda self: 100 self.assertEqual(hash(d), 100) + D.__hash__ = None + self.assertRaises(TypeError, hash, d) del D.__hash__ self.assertEqual(hash(d), 144) + B.__hash__ = None + self.assertRaises(TypeError, hash, d) del B.__hash__ self.assertEqual(hash(d), 314) + C.__hash__ = None + self.assertRaises(TypeError, hash, d) del C.__hash__ self.assertEqual(hash(d), 42) + A.__hash__ = None + self.assertRaises(TypeError, hash, d) del A.__hash__ self.assertEqual(hash(d), orig_hash) d.foo = 42 |