diff options
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_marshal.py | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Lib/test/test_marshal.py b/Lib/test/test_marshal.py index b378ffea00..29dda987d0 100644 --- a/Lib/test/test_marshal.py +++ b/Lib/test/test_marshal.py @@ -34,6 +34,29 @@ class IntTestCase(unittest.TestCase, HelperMixin): self.helper(expected) n = n >> 1 + def test_int64(self): + # Simulate int marshaling with TYPE_INT64. + maxint64 = (1 << 63) - 1 + minint64 = -maxint64-1 + for base in maxint64, minint64, -maxint64, -(minint64 >> 1): + while base: + s = b'I' + int.to_bytes(base, 8, 'little', signed=True) + got = marshal.loads(s) + self.assertEqual(base, got) + if base == -1: # a fixed-point for shifting right 1 + base = 0 + else: + base >>= 1 + + got = marshal.loads(b'I\xfe\xdc\xba\x98\x76\x54\x32\x10') + self.assertEqual(got, 0x1032547698badcfe) + got = marshal.loads(b'I\x01\x23\x45\x67\x89\xab\xcd\xef') + self.assertEqual(got, -0x1032547698badcff) + got = marshal.loads(b'I\x08\x19\x2a\x3b\x4c\x5d\x6e\x7f') + self.assertEqual(got, 0x7f6e5d4c3b2a1908) + got = marshal.loads(b'I\xf7\xe6\xd5\xc4\xb3\xa2\x91\x80') + self.assertEqual(got, -0x7f6e5d4c3b2a1909) + def test_bool(self): for b in (True, False): self.helper(b) |