third_party/WebKit/LayoutTests/editing/selection/extend-to-trailing-spaces.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <script src="../../resources/js-test.js"></script>
   5 <div id="test"></div>
   6 <script>
   7 description("Ensure that extending a selection to trailing spaces does not cause exceptions.");
   8
   9 var div = document.getElementById('test');
  10 var selection = window.getSelection();
  11
  12 function testIt(text) {
  13     var len = text.length;
  14     div.textContent = text;
  15     selection.collapse(div.firstChild, 0);
  16     try {
  17         selection.extend(div.firstChild, len);
  18     } catch (e) {
  19         testFailed(div.outerHTML + ': ' + String(e.toString()));
  20         return;
  21     }
  22     try {
  23         selection.extend(div.firstChild, len + 1);
  24         testFailed(div.outerHTML + ': ' + String(e.toString()));
  25         return;
  26     } catch (e) {
  27     }
  28     testPassed(div.outerHTML);
  29 }
  30 testIt('0123');
  31 testIt('012 ');
  32 testIt('012  ');
  33 testIt('012\n');
  34 testIt('012\n\n');
  35
  36 div.textContent = '';
  37 </script>
  38 </body>
  39 </html>