Method check_format_1

Lib/test/test_long.py:307–314

(self, x)

               "".join("0123456789abcdef"[i] for i in digits)

    def check_format_1(self, x):
        for base, mapper in (2, bin), (8, oct), (10, str), (10, repr), (16, hex):
            got = mapper(x)
            with self.subTest(x=x, mapper=mapper.__name__):
                expected = self.slow_format(x, base)
                self.assertEqual(got, expected)
            with self.subTest(got=got):
                self.assertEqual(int(got, 0), x)

    def test_format(self):
        for x in special: