diff options
Diffstat (limited to 'Lib/test/test_dictviews.py')
| -rw-r--r-- | Lib/test/test_dictviews.py | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Lib/test/test_dictviews.py b/Lib/test/test_dictviews.py index 0c996526d8..49a9e9c007 100644 --- a/Lib/test/test_dictviews.py +++ b/Lib/test/test_dictviews.py @@ -1,3 +1,4 @@ +import collections import copy import pickle import unittest @@ -245,6 +246,27 @@ class DictSetTest(unittest.TestCase): self.assertRaises((TypeError, pickle.PicklingError), pickle.dumps, d.items(), proto) + def test_abc_registry(self): + d = dict(a=1) + + self.assertIsInstance(d.keys(), collections.KeysView) + self.assertIsInstance(d.keys(), collections.MappingView) + self.assertIsInstance(d.keys(), collections.Set) + self.assertIsInstance(d.keys(), collections.Sized) + self.assertIsInstance(d.keys(), collections.Iterable) + self.assertIsInstance(d.keys(), collections.Container) + + self.assertIsInstance(d.values(), collections.ValuesView) + self.assertIsInstance(d.values(), collections.MappingView) + self.assertIsInstance(d.values(), collections.Sized) + + self.assertIsInstance(d.items(), collections.ItemsView) + self.assertIsInstance(d.items(), collections.MappingView) + self.assertIsInstance(d.items(), collections.Set) + self.assertIsInstance(d.items(), collections.Sized) + self.assertIsInstance(d.items(), collections.Iterable) + self.assertIsInstance(d.items(), collections.Container) + if __name__ == "__main__": unittest.main() |