Method test_iterator_pickling_overflowing_index

Lib/test/test_range.py:406–413

(self)

                    self.assertEqual(list(it), data[1:])

    def test_iterator_pickling_overflowing_index(self):
        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
            with self.subTest(proto=proto):
                it = iter(range(2**32 + 2))
                it.__setstate__(2**32 + 1)  # undocumented way to advance an iterator
                d = pickle.dumps(it, proto)
                it = pickle.loads(d)
                self.assertEqual(next(it), 2**32 + 1)

    def test_exhausted_iterator_pickling(self):
        for proto in range(pickle.HIGHEST_PROTOCOL + 1):