1 files changed, 5 insertions, 0 deletions
diff --git a/tests/Framework/Html2text.php b/tests/Framework/Html2text.php
index 2c7759f7d..76b1f16cd 100644
--- a/tests/Framework/Html2text.php
+++ b/tests/Framework/Html2text.php
@@ -41,6 +41,11 @@ class rc_html2text extends PHPUnit_Framework_TestCase
                 'in'    => '<b><strong>&#347;</strong></b>',
                 'out'   => 'Ś',
             ),
+            6 => array(
+                'title' => 'Don\'t remove non-printable chars',
+                'in'    => chr(0x002).chr(0x003),
+                'out'   => chr(0x002).chr(0x003),
+            ),
         );
     }