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Merged revisions 82730 via svnmerge from

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svn+ssh://pythondev@svn.python.org/python/branches/py3k

'merge' in the sense that this is the same fix by the same author.

........
  r82730 | r.david.murray | 2010-07-09 08:23:21 -0400 (Fri, 09 Jul 2010) | 4 lines

  7846: limit fnmatch pattern cache to _MAXCACHE=100 entries.

  Patch by Andrew Clegg.
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This commit is contained in:
R. David Murray 2010-07-09 13:16:00 +00:00
parent 0e6771fd30
commit abd4553fd4
3 changed files with 16 additions and 1 deletions
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11
Lib/test/test_fnmatch.py
View file

@ -3,7 +3,7 @@
from test import test_support
import unittest
from fnmatch import fnmatch, fnmatchcase
from fnmatch import fnmatch, fnmatchcase, _MAXCACHE, _cache
class FnmatchTestCase(unittest.TestCase):
@ -49,6 +49,15 @@ class FnmatchTestCase(unittest.TestCase):
check('AbC', 'abc', 0, fnmatchcase)
check('abc', 'AbC', 0, fnmatchcase)
def test_cache_clearing(self):
# check that caches do not grow too large
# http://bugs.python.org/issue7846
# string pattern cache
for i in range(_MAXCACHE + 1):
fnmatch('foo', '?' * i)
self.assertLessEqual(len(_cache), _MAXCACHE)
def test_main():
test_support.run_unittest(FnmatchTestCase)