Method test_protocols_isinstance_init

Lib/test/test_typing.py:3740–3756

(self)

        self.assertIsInstance(NT(1, 2), Position)

    def test_protocols_isinstance_init(self):
        T = TypeVar('T')

        @runtime_checkable
        class P(Protocol):
            x = 1

        @runtime_checkable
        class PG(Protocol[T]):
            x = 1

        class C:
            def __init__(self, x):
                self.x = x

        self.assertIsInstance(C(1), P)
        self.assertIsInstance(C(1), PG)

    def test_protocols_isinstance_monkeypatching(self):
        @runtime_checkable