Class HugeLen

Lib/test/test_builtin.py:1337–1339

                return -10
        self.assertRaises(ValueError, len, NegativeLen())
        class HugeLen:
            def __len__(self):
                return sys.maxsize + 1
        self.assertRaises(OverflowError, len, HugeLen())
        class HugeNegativeLen:
            def __len__(self):