public function testUTF8Wrap()
 {
     $inputs = array(array('aaaaaaa', 3, array('aaa', 'aaa', 'a')), array('aa<b>aaaaa', 3, array('aa<b>a', 'aaa', 'a')), array('aa&amp;aaaa', 3, array('aa&amp;', 'aaa', 'a')), array("aa東aaaa", 3, array("aa東", 'aaa', 'a')), array('', 80, array()), array('a', 80, array('a')));
     foreach ($inputs as $input) {
         list($string, $width, $expect) = $input;
         $this->assertEqual($expect, phutil_utf8_hard_wrap_html($string, $width), "Wrapping of '" . $string . "'");
     }
 }
 protected function applyIntraline(&$render, $intra, $corpus)
 {
     $line_break = "<span class=\"over-the-line\">⬅</span><br />";
     foreach ($render as $key => $text) {
         if (isset($intra[$key])) {
             $render[$key] = ArcanistDiffUtils::applyIntralineDiff($text, $intra[$key]);
         }
         if (isset($corpus[$key]) && strlen($corpus[$key]) > $this->lineWidth) {
             $lines = phutil_utf8_hard_wrap_html($render[$key], $this->lineWidth);
             $render[$key] = implode($line_break, $lines);
         }
     }
 }