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Diffstat (limited to 'Lib/test/test_fnmatch.py')
| -rw-r--r-- | Lib/test/test_fnmatch.py | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/Lib/test/test_fnmatch.py b/Lib/test/test_fnmatch.py index 506c67999c..f2966ad724 100644 --- a/Lib/test/test_fnmatch.py +++ b/Lib/test/test_fnmatch.py @@ -3,7 +3,7 @@ from test import support import unittest -from fnmatch import fnmatch, fnmatchcase +from fnmatch import fnmatch, fnmatchcase, _MAXCACHE, _cache, _cacheb class FnmatchTestCase(unittest.TestCase): @@ -55,6 +55,21 @@ class FnmatchTestCase(unittest.TestCase): self.check_match(b'test\xff', b'te*\xff') self.check_match(b'foo\nbar', b'foo*') + 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) + + # bytes pattern cache + for i in range(_MAXCACHE + 1): + fnmatch(b'foo', b'?' * i) + self.assertLessEqual(len(_cacheb), _MAXCACHE) + def test_main(): support.run_unittest(FnmatchTestCase) |