third_party/WebKit/LayoutTests/fast/dom/custom/registration-context-delete-during-callback-recursion.html

   1 <!DOCTYPE html>
   2 <script src="../../../resources/js-test.js"></script>
   3 <script src="testutils.js"></script>
   4 <body>
   5 <div id="s">
   6 </div>
   7 <script>
   8 if (fork()) {
   9     // The controlling parent frame
  10     description('Tests destroying a context during attributeChanged callback.');
  11     jsTestIsAsync = true;
  12     successfullyParsed = true;
  13 } else {
  14     // The child frame
  15
  16     var n = 0;
  17     var proto = Object.create(HTMLElement.prototype);
  18     proto.createdCallback = function () {
  19         if (n++ == 2)
  20             this.previousSibling.setAttribute('tick', '...');
  21     };
  22     proto.attributeChangedCallback = function (name) {
  23         if (name == 'tick')
  24             this.previousSibling.setAttribute('boom', 'tsk');
  25         if (name == 'boom')
  26             destroyContext();
  27     };
  28
  29     var A = document.registerElement('x-a', {prototype: proto});
  30     s.innerHTML =
  31         '<x-a id="t"></x-a>' +
  32         '<x-a id="u"></x-a>' +
  33         '<x-a id="v"></x-a>' +
  34         '<x-a id="w"></x-a>';
  35
  36     done();
  37 }
  38 </script>