Also temporarily revert r83871, to fix compilation on buildbots
diff --git a/Lib/test/test_fnmatch.py b/Lib/test/test_fnmatch.py
index 482835d..a93558c 100644
--- a/Lib/test/test_fnmatch.py
+++ b/Lib/test/test_fnmatch.py
@@ -3,10 +3,15 @@
from test import support
import unittest
-from fnmatch import fnmatch, fnmatchcase, translate, filter
+from fnmatch import (fnmatch, fnmatchcase, _MAXCACHE, _cache, _cacheb, purge,
+ translate, filter)
+
class FnmatchTestCase(unittest.TestCase):
+ def tearDown(self):
+ purge()
+
def check_match(self, filename, pattern, should_match=1, fn=fnmatch):
if should_match:
self.assertTrue(fn(filename, pattern),
@@ -60,6 +65,22 @@
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)
+
+
class TranslateTestCase(unittest.TestCase):
def test_translate(self):