Method test_class_var_no_default

Lib/test/test_dataclasses/__init__.py:1200–1206

(self)

        self.assertEqual(c.s, 4000)

    def test_class_var_no_default(self):
        # If a ClassVar has no default value, it should not be set on the class.
        @dataclass
        class C:
            x: ClassVar[int]

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

    def test_class_var_default_factory(self):
        # It makes no sense for a ClassVar to have a default factory. When