Method assert_join

mypy/test/testtypes.py:1101–1103

(self, s: Type, t: Type, join: Type)

    # TODO: Function types + varargs and default args.

    def assert_join(self, s: Type, t: Type, join: Type) -> None:
        self.assert_simple_join(s, t, join)
        self.assert_simple_join(t, s, join)

    def assert_simple_join(self, s: Type, t: Type, join: Type) -> None:
        result = join_types(s, t)