diff options
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_typing.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py index ccd617c1fd..5b4916f9c3 100644 --- a/Lib/test/test_typing.py +++ b/Lib/test/test_typing.py @@ -3741,6 +3741,13 @@ class TypedDictTests(BaseTestCase): self.assertEqual(Options(log_level=2), {'log_level': 2}) self.assertEqual(Options.__total__, False) + def test_optional_keys(self): + class Point2Dor3D(Point2D, total=False): + z: int + + assert Point2Dor3D.__required_keys__ == frozenset(['x', 'y']) + assert Point2Dor3D.__optional_keys__ == frozenset(['z']) + class IOTests(BaseTestCase): |