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| author | Ivan Levkivskyi <levkivskyi@gmail.com> | 2019-08-22 17:48:01 (GMT) |
|---|---|---|
| committer | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2019-08-22 17:48:01 (GMT) |
| commit | 8889627b53e1eea2e32590f1867fbb0b0fc7407f (patch) | |
| tree | a28a53f3be4dc5001f57753c8af6d1646afb7c98 /Lib | |
| parent | d0cdeaab76fef8a6e5a04665df226b6659111e4e (diff) | |
| download | cpython-8889627b53e1eea2e32590f1867fbb0b0fc7407f.zip cpython-8889627b53e1eea2e32590f1867fbb0b0fc7407f.tar.gz cpython-8889627b53e1eea2e32590f1867fbb0b0fc7407f.tar.bz2 | |
bpo-28556: Add a regression test to typing (GH-15396)
This adds a regression test for the issue found in the Python 2 backport, see https://github.com/python/typing/issues/656
https://bugs.python.org/issue28556
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_typing.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py index ba001c3..ba0800f 100644 --- a/Lib/test/test_typing.py +++ b/Lib/test/test_typing.py @@ -961,6 +961,23 @@ class ProtocolTests(BaseTestCase): self.assertIsInstance(C(1), P) self.assertIsInstance(C(1), PG) + def test_protocol_checks_after_subscript(self): + class P(Protocol[T]): pass + class C(P[T]): pass + class Other1: pass + class Other2: pass + CA = C[Any] + + self.assertNotIsInstance(Other1(), C) + self.assertNotIsSubclass(Other2, C) + + class D1(C[Any]): pass + class D2(C[Any]): pass + CI = C[int] + + self.assertIsInstance(D1(), C) + self.assertIsSubclass(D2, C) + def test_protocols_support_register(self): @runtime_checkable class P(Protocol): |