diff -r 5ff1fc726848 -r c6bca38c1cbf parts/django/tests/regressiontests/templates/custom.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parts/django/tests/regressiontests/templates/custom.py	Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,12 @@
+from unittest import TestCase
+
+from django import template
+
+
+class CustomTests(TestCase):
+    def test_filter(self):
+        t = template.Template("{% load custom %}{{ string|trim:5 }}")
+        self.assertEqual(
+            t.render(template.Context({"string": "abcdefghijklmnopqrstuvwxyz"})),
+            u"abcde"
+        )