Method test_dir

Lib/test/test_genericalias.py:489–509

(self)

        self.assertEqual(a.__parameters__, (T,))

    def test_dir(self):
        ga = list[int]
        dir_of_gen_alias = set(dir(ga))
        self.assertTrue(dir_of_gen_alias.issuperset(dir(list)))
        for generic_alias_property in (
            "__origin__", "__args__", "__parameters__",
            "__unpacked__",
        ):
            with self.subTest(generic_alias_property=generic_alias_property):
                self.assertIn(generic_alias_property, dir_of_gen_alias)
        for blocked in (
            "__bases__",
            "__copy__",
            "__deepcopy__",
        ):
            with self.subTest(blocked=blocked):
                self.assertNotIn(blocked, dir_of_gen_alias)

        for entry in dir_of_gen_alias:
            with self.subTest(entry=entry):
                getattr(ga, entry)  # must not raise `AttributeError`

    def test_weakref(self):
        for t in self.generic_types: