Method test_proxy_call

Lib/test/test_descr.py:5073–5087

(self)

            MyClass = meta('MyClass', (), {})

    def test_proxy_call(self):
        class FakeStr:
            __class__ = str

        fake_str = FakeStr()
        # isinstance() reads __class__
        self.assertIsInstance(fake_str, str)

        # call a method descriptor
        with self.assertRaises(TypeError):
            str.split(fake_str)

        # call a slot wrapper descriptor
        with self.assertRaises(TypeError):
            str.__add__(fake_str, "abc")

    def test_specialized_method_calls_check_types(self):
        # https://github.com/python/cpython/issues/92063