third_party/WebKit/LayoutTests/fast/dom/getElementById-consistency4.html

   1 <!DOCTYPE html>
   2 <script src="../../resources/js-test.js"></script>
   3 <div id=container>
   4   <span id=el>
   5   </span>
   6 </div>
   7 <script>
   8 description('Test that DOMSubtreeModified listeners cannot cause DocumentOrderedMap to be incorrect');
   9
  10 var counter = 0;
  11 var container = document.getElementById('container');
  12 var el = document.getElementById('el');
  13 function broken() {
  14    if (++counter > 2) {
  15        document.removeEventListener('DOMSubtreeModified', broken, true);
  16        return;
  17    } else if (counter == 1)
  18        container.innerHTML = '';
  19    else
  20        container.appendChild(el);
  21 }
  22
  23 document.addEventListener("DOMSubtreeModified", broken, true);
  24 broken();
  25 shouldBeTrue("document.contains(el)");
  26 el.parentNode.removeChild(el);
  27 el = null;
  28 gc();
  29 shouldBeNull("document.getElementById('el')");
  30 </script>