Method test_init_false_no_default

Lib/test/test_dataclasses/__init__.py:636–653

(self)

                    assert False, f'unknown result {result!r}'

    def test_init_false_no_default(self):
        # If init=False and no default value, then the field won't be
        #  present in the instance.
        @dataclass
        class C:
            x: int = field(init=False)

        self.assertNotIn('x', C().__dict__)

        @dataclass
        class C:
            x: int
            y: int = 0
            z: int = field(init=False)
            t: int = 10

        self.assertNotIn('z', C(0).__dict__)
        self.assertEqual(vars(C(5)), {'t': 10, 'x': 5, 'y': 0})

    def test_class_marker(self):
        @dataclass