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author | Paul Dagnelie <paulcd2000@gmail.com> | 2019-05-22 14:23:01 (GMT) |
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committer | Ivan Levkivskyi <levkivskyi@gmail.com> | 2019-05-22 14:23:01 (GMT) |
commit | 4c7a46eb3c009c85ddf2eb315d94d804745187d4 (patch) | |
tree | b6ffaec1dab471a445b59b6ab7d127afc347ac33 /Lib/test/test_typing.py | |
parent | 33e71e01e95506cf8d93fd68251fc56352bc7b39 (diff) | |
download | cpython-4c7a46eb3c009c85ddf2eb315d94d804745187d4.zip cpython-4c7a46eb3c009c85ddf2eb315d94d804745187d4.tar.gz cpython-4c7a46eb3c009c85ddf2eb315d94d804745187d4.tar.bz2 |
bpo-36972: Add SupportsIndex (GH-13448)
In order to support typing checks calling hex(), oct() and bin() on user-defined classes, a SupportIndex protocol is required. The ability to check these at runtime would be good to add for completeness sake. This is pretty much just a copy of SupportsInt with the names tweaked.
Diffstat (limited to 'Lib/test/test_typing.py')
-rw-r--r-- | Lib/test/test_typing.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py index a547fe2..c9bfd0c 100644 --- a/Lib/test/test_typing.py +++ b/Lib/test/test_typing.py @@ -568,6 +568,10 @@ class ProtocolTests(BaseTestCase): self.assertIsSubclass(list, typing.Reversible) self.assertNotIsSubclass(int, typing.Reversible) + def test_supports_index(self): + self.assertIsSubclass(int, typing.SupportsIndex) + self.assertNotIsSubclass(str, typing.SupportsIndex) + def test_protocol_instance_type_error(self): with self.assertRaises(TypeError): isinstance(0, typing.SupportsAbs) |