diff options
Diffstat (limited to 'Lib/test/test_dict.py')
| -rw-r--r-- | Lib/test/test_dict.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Lib/test/test_dict.py b/Lib/test/test_dict.py index d81ecf5..60f3f40 100644 --- a/Lib/test/test_dict.py +++ b/Lib/test/test_dict.py @@ -458,6 +458,23 @@ class DictTest(unittest.TestCase): self.assertRaises(RuntimeError, lambda: d2.items() < d3.items()) self.assertRaises(RuntimeError, lambda: d3.items() > d2.items()) + def test_dictview_set_operations(self): + k1 = {1:1, 2:2}.keys() + k2 = {1:1, 2:2, 3:3}.keys() + k3 = {4:4}.keys() + + self.assertEquals(k1 - k2, set()) + self.assertEquals(k1 - k3, {1,2}) + self.assertEquals(k2 - k1, {3}) + self.assertEquals(k3 - k1, {4}) + self.assertEquals(k1 & k2, {1,2}) + self.assertEquals(k1 & k3, set()) + self.assertEquals(k1 | k2, {1,2,3}) + self.assertEquals(k1 ^ k2, {3}) + self.assertEquals(k1 ^ k3, {1,2,4}) + + # XXX similar tests for .items() + def test_missing(self): # Make sure dict doesn't have a __missing__ method self.assertEqual(hasattr(dict, "__missing__"), False) |