diff -r b758351d191f -r cc9b7e14412b web/lib/django/contrib/messages/tests/middleware.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/django/contrib/messages/tests/middleware.py	Tue May 25 02:43:45 2010 +0200
@@ -0,0 +1,18 @@
+import unittest
+from django import http
+from django.contrib.messages.middleware import MessageMiddleware
+
+
+class MiddlewareTest(unittest.TestCase):
+
+    def setUp(self):
+        self.middleware = MessageMiddleware()
+
+    def test_response_without_messages(self):
+        """
+        Makes sure that the response middleware is tolerant of messages not
+        existing on request.
+        """
+        request = http.HttpRequest()
+        response = http.HttpResponse()
+        self.middleware.process_response(request, response)