mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-27 04:05:34 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

bpo-44891: Tests id preserving on * 1 for str and bytes (GH-27745)

Browse source 
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
This commit is contained in:
Nikita Sobolev 2021-08-13 13:36:22 +03:00 • committed by GitHub
parent 7bf28cbb4b
commit a2ce538e16
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 46 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

22
Lib/test/test_bytes.py
View file

@ -1169,6 +1169,28 @@ class BytesTest(BaseBytesTest, unittest.TestCase):
self.assertEqual(bytes(ba), b'ab')
self.assertRaises(TypeError, bytes, bb)
def test_repeat_id_preserving(self):
a = b'123abc1@'
b = b'456zyx-+'
self.assertEqual(id(a), id(a))
self.assertNotEqual(id(a), id(b))
self.assertNotEqual(id(a), id(a * -4))
self.assertNotEqual(id(a), id(a * 0))
self.assertEqual(id(a), id(a * 1))
self.assertEqual(id(a), id(1 * a))
self.assertNotEqual(id(a), id(a * 2))
class SubBytes(bytes):
pass
s = SubBytes(b'qwerty()')
self.assertEqual(id(s), id(s))
self.assertNotEqual(id(s), id(s * -4))
self.assertNotEqual(id(s), id(s * 0))
self.assertNotEqual(id(s), id(s * 1))
self.assertNotEqual(id(s), id(1 * s))
self.assertNotEqual(id(s), id(s * 2))
class ByteArrayTest(BaseBytesTest, unittest.TestCase):
type2test = bytearray