diff options
| -rw-r--r-- | Lib/test/test_typing.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py index 5777656..b5767d0 100644 --- a/Lib/test/test_typing.py +++ b/Lib/test/test_typing.py @@ -325,6 +325,15 @@ class UnionTests(BaseTestCase): u = Union[int | float] self.assertEqual(repr(u), 'typing.Union[int, float]') + u = Union[None, str] + self.assertEqual(repr(u), 'typing.Optional[str]') + u = Union[str, None] + self.assertEqual(repr(u), 'typing.Optional[str]') + u = Union[None, str, int] + self.assertEqual(repr(u), 'typing.Union[NoneType, str, int]') + u = Optional[str] + self.assertEqual(repr(u), 'typing.Optional[str]') + def test_cannot_subclass(self): with self.assertRaises(TypeError): class C(Union): |