Method test_huge_str_64b

Lib/test/pickletester.py:4746–4770

(self, size)

    @bigmemtest(size=_4G, memuse=8, dry_run=False)
    def test_huge_str_64b(self, size):
        data = "abcd" * (size // 4)
        try:
            for proto in protocols:
                if proto == 0:
                    continue
                with self.subTest(proto=proto):
                    if proto < 4:
                        with self.assertRaises((ValueError, OverflowError)):
                            self.dumps(data, protocol=proto)
                        continue
                    try:
                        pickled = self.dumps(data, protocol=proto)
                        header = (pickle.BINUNICODE8 +
                                  struct.pack("<Q", len(data)))
                        data_start = pickled.index(b'abcd')
                        self.assertEqual(
                            header,
                            pickled[data_start-len(header):data_start])
                        self.assertEqual((pickled.rindex(b"abcd") + len(b"abcd") -
                                          pickled.index(b"abcd")), len(data))
                    finally:
                        pickled = None
        finally:
            data = None


class CustomError(Exception):