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

   1 <!DOCTYPE html>
   2 <script src="../../resources/js-test.js"></script>
   3 <div id=container>
   4 </div>
   5 <span id=el>
   6 </span>
   7 <script>
   8 description('Test that DOMSubtreeModified listeners cannot cause inDocument 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    }
  18    container.appendChild(el);
  19 }
  20
  21 document.addEventListener("DOMSubtreeModified", broken, true);
  22 broken();
  23 shouldBeTrue("document.contains(document.getElementById('el'))");
  24 el.parentNode.removeChild(el);
  25 el = null;
  26 gc();
  27 shouldBeNull("document.getElementById('el')");
  28 </script>