Method test_clear

Lib/test/test_capi/test_set.py:214–226

(self)

        # CRASHES: pop(NULL)

    def test_clear(self):
        clear = _testlimitedcapi.set_clear
        for cls in (set, set_subclass):
            with self.subTest(cls=cls):
                instance = cls((1, 2))
                self.assertEqual(clear(instance), 0)
                self.assertEqual(instance, set())
                self.assertEqual(clear(instance), 0)
                self.assertEqual(instance, set())
        with self.assertRaises(SystemError):
            clear(object())
        self.assertImmutable(clear)
        # CRASHES: clear(NULL)


class TestInternalCAPI(BaseSetTests, unittest.TestCase):