Method test_parameterized_slots_dict

Lib/test/test_typing.py:5536–5549

(self)

        self.assertEqual(copy(C[int]), deepcopy(C[int]))

    def test_parameterized_slots_dict(self):
        T = TypeVar('T')
        class D(Generic[T]):
            __slots__ = {'banana': 42}

        d = D()
        d_int = D[int]()

        d.banana = 'yes'
        d_int.banana = 'yes'
        with self.assertRaises(AttributeError):
            d.foobar = 'no'
        with self.assertRaises(AttributeError):
            d_int.foobar = 'no'

    def test_errors(self):
        with self.assertRaises(TypeError):