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bpo-28556: Fix regression that sneaked into recent typing updates (GH-270)

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Ivan Levkivskyi 2017-02-24 18:28:26 +01:00 • committed by Mariatta
parent 6059ce45aa
commit 365cb5bb90
2 changed files with 12 additions and 1 deletions
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8
Lib/test/test_typing.py
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@ -701,6 +701,14 @@ class GenericTests(BaseTestCase):
self.assertEqual(D.x, 'from derived x')
self.assertEqual(D[str].z, 'from derived z')
def test_abc_registry_kept(self):
T = TypeVar('T')
class C(Generic[T]): ...
C.register(int)
self.assertIsInstance(1, C)
C[int]
self.assertIsInstance(1, C)
def test_false_subclasses(self):
class MyMapping(MutableMapping[str, str]): pass
self.assertNotIsInstance({}, MyMapping)