--- test_urllib2.py	2007-08-06 01:52:19.000000000 +0530
+++ test_urllib2-mdf.py	2007-08-06 02:11:31.650501080 +0530
@@ -868,6 +868,23 @@
         except urllib2.HTTPError:
             self.assertEqual(count,
                              urllib2.HTTPRedirectHandler.max_redirections)
+        # test cached redirection implemented for 301 redirection
+        def cached_redirect(h, req, url=to_url):
+            h.http_error_301(req, MockFile(), 301, "Blah",
+                    MockHeaders({"location":url}))
+        req = Request(from_url, origin_req_host="example.com")
+        count = 0
+        try:
+            while 1:
+                cached_redirect(h, req, "http://example.com/")
+                count = count + 1
+                if count > 1:
+                    # Check for presence of a cached dictionary.
+                    # Content not checked as tests returns None.
+                    # Independent redirection tests for 301 handled,however.
+                    self.assert_(h.cache)
+        except urllib2.HTTPError:
+            self.assertEqual(count, urllib2.HTTPRedirectHandler.max_repeats)
 
     def test_cookie_redirect(self):
         # cookies shouldn't leak into redirected requests