Method test_base_dataclass

Lib/test/test_dataclasses/__init__.py:4386–4402

(self)

        self.assertIsInstance(c, Base2)

    def test_base_dataclass(self):
        @dataclass
        class Base1:
            x: int
        class Base2:
            pass
        C = make_dataclass('C',
                           [('y', int)],
                           bases=(Base1, Base2))
        with self.assertRaisesRegex(TypeError, 'required positional'):
            c = C(2)
        c = C(1, 2)
        self.assertIsInstance(c, C)
        self.assertIsInstance(c, Base1)
        self.assertIsInstance(c, Base2)

        self.assertEqual((c.x, c.y), (1, 2))

    def test_init_var(self):
        def post_init(self, y):