Merged revisions 82730 via svnmerge from
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.
........
diff --git a/Lib/test/test_fnmatch.py b/Lib/test/test_fnmatch.py
index 6dca85f..7f0d51d 100644
--- a/Lib/test/test_fnmatch.py
+++ b/Lib/test/test_fnmatch.py
@@ -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 @@
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)