diff --git a/tests/regressiontests/templates/filters.py b/tests/regressiontests/templates/filters.py
index 9ada4fb26e..65f98e9ede 100644
--- a/tests/regressiontests/templates/filters.py
+++ b/tests/regressiontests/templates/filters.py
@@ -134,6 +134,9 @@ def get_filter_tests():
         'filter-truncatewords02': ('{{ a|truncatewords:"2" }} {{ b|truncatewords:"2"}}',
             {"a": "alpha & bravo", "b": mark_safe("alpha & bravo")}, u"alpha & ... alpha & ..."),
 
+        'filter-truncatechars01': ('{{ a|truncatechars:5 }}', {'a': "Testing, testing"}, u"Te..."),
+        'filter-truncatechars02': ('{{ a|truncatechars:7 }}', {'a': "Testing"}, u"Testing"),
+
         # The "upper" filter messes up entities (which are case-sensitive),
         # so it's not safe for non-escaping purposes.
         'filter-upper01': ('{% autoescape off %}{{ a|upper }} {{ b|upper }}{% endautoescape %}', {"a": "a & b", "b": mark_safe("a & b")}, u"A & B A & B"),