mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-07-24 11:44:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

Issue #17137: When an Unicode string is resized, the internal wide character

Browse source 
string (wstr) format is now cleared.
This commit is contained in:
Victor Stinner 2013-02-07 23:12:46 +01:00
parent 2efdc90b0f
commit bbbac2ec34
3 changed files with 22 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

15
Lib/test/test_unicode.py
View file

@ -2167,6 +2167,21 @@ class UnicodeTest(string_tests.CommonTest,
self.assertEqual(args[0], text)
self.assertEqual(len(args), 1)
def test_resize(self):
for length in range(1, 100, 7):
# generate a fresh string (refcount=1)
text = 'a' * length + 'b'
# fill wstr internal field
abc = text.encode('unicode_internal')
self.assertEqual(abc.decode('unicode_internal'), text)
# resize text: wstr field must be cleared and then recomputed
text += 'c'
abcdef = text.encode('unicode_internal')
self.assertNotEqual(abc, abcdef)
self.assertEqual(abcdef.decode('unicode_internal'), text)
class StringModuleTest(unittest.TestCase):
def test_formatter_parser(self):