From cb6fab73c64f339ca95cafa2eeeb0395395d43f4 Mon Sep 17 00:00:00 2001
From: Armin Ronacher <armin.ronacher@active-4.com>
Date: Fri, 6 Jun 2014 22:31:00 +0600
Subject: [PATCH] Fixed #320

---
 jinja2/filters.py           | 3 ++-
 jinja2/testsuite/filters.py | 8 ++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/jinja2/filters.py b/jinja2/filters.py
index 882f915b..5c96b085 100644
--- a/jinja2/filters.py
+++ b/jinja2/filters.py
@@ -473,7 +473,7 @@ def do_truncate(s, length=255, killwords=False, end='...'):
             -> "foo ..."
 
     """
-    if len(s) <= (length + len(end)):
+    if len(s) <= length:
         return s
     elif killwords:
         return s[:length - len(end)] + end
@@ -483,6 +483,7 @@ def do_truncate(s, length=255, killwords=False, end='...'):
         result += ' '
     return result + end
 
+
 @environmentfilter
 def do_wordwrap(environment, s, width=79, break_long_words=True,
                 wrapstring=None):
diff --git a/jinja2/testsuite/filters.py b/jinja2/testsuite/filters.py
index 3cb4fd42..a32db374 100644
--- a/jinja2/testsuite/filters.py
+++ b/jinja2/testsuite/filters.py
@@ -230,6 +230,14 @@ class FilterTestCase(JinjaTestCase):
         msg = 'Current output: %s' % out
         assert out == 'foobar baz b>>>|foobar baz >>>|foobar baz bar', msg
 
+    def test_truncate_very_short(self):
+        tmpl = env.from_string(
+            '{{ "foo bar baz"|truncate(9) }}|'
+            '{{ "foo bar baz"|truncate(9, true) }}'
+        )
+        out = tmpl.render()
+        assert out == 'foo ...|foo ba...', out
+
     def test_truncate_end_length(self):
         tmpl = env.from_string('{{ "Joel is a slug"|truncate(9, true) }}')
         out = tmpl.render()
-- 
2.47.2