third_party/WebKit/LayoutTests/plugins/plugin-remove-readystatechange.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <div>
   5 This test passes if it does not trip an assert in debug builds.
   6 It ensures a readystatechange event can't get dispatched until after a plugin is fully removed.
   7 </div>
   8 <embed id="viewer" src="resources/simple_blank.swf"></embed>
   9 <script>
  10 if (window.testRunner)
  11     testRunner.dumpAsText();
  12
  13 var i = 0;
  14 document.addEventListener('readystatechange', function() {
  15     if (i == 1) {
  16         try {
  17             document.body.appendChild(document.getElementById('viewer'));
  18         }
  19         catch (e) {
  20             alert('PASS: element could not be re-appended');
  21        }
  22     }
  23     i++;
  24 });
  25
  26 window.addEventListener('DOMContentLoaded', function() {
  27     document.body.removeChild(document.getElementById('viewer'));
  28 });
  29
  30 // FIXME: This shouldn't be needed, but it's here to make our whitespace text node
  31 // creation deterministic in the face of lazily creating the render tree.
  32 document.body.offsetHeight;
  33 </script>
  34 </body>
  35 </html>