Method test_errors

Lib/test/test_typing.py:2619–2629

(self)

                         My[[Callable[[int, bool, bytes, str], float], float], float])

    def test_errors(self):
        Callable = self.Callable
        alias = Callable[[int, str], float]
        with self.assertRaisesRegex(TypeError, "is not a generic class"):
            alias[int]
        P = ParamSpec('P')
        C1 = Callable[P, T]
        with self.assertRaisesRegex(TypeError, "many arguments for"):
            C1[int, str, str]
        with self.assertRaisesRegex(TypeError, "few arguments for"):
            C1[int]


class TypingCallableTests(BaseCallableTests, BaseTestCase):