Method test_pop

Lib/test/test_capi/test_set.py:197–212

(self)

        # CRASHES: discard(NULL, NULL)

    def test_pop(self):
        pop = _testlimitedcapi.set_pop
        orig = (1, 2)
        for cls in (set, set_subclass):
            with self.subTest(cls=cls):
                instance = cls(orig)
                self.assertIn(pop(instance), orig)
                self.assertEqual(len(instance), 1)
                self.assertIn(pop(instance), orig)
                self.assertEqual(len(instance), 0)
                with self.assertRaises(KeyError):
                    pop(instance)
        with self.assertRaises(SystemError):
            pop(object())
        self.assertImmutable(pop)
        # CRASHES: pop(NULL)

    def test_clear(self):
        clear = _testlimitedcapi.set_clear