third_party/WebKit/LayoutTests/fast/dom/custom/registration-context-delete-during-attribute-changed.html

   1 <!DOCTYPE html>
   2 <script src="../../../resources/js-test.js"></script>
   3 <script src="testutils.js"></script>
   4 <body>
   5 <x-a></x-a>
   6 <script>
   7 if (fork()) {
   8     // The controlling parent frame
   9     description('Tests destroying a context during attributeChanged callback.');
  10     jsTestIsAsync = true;
  11     successfullyParsed = true;
  12 } else {
  13     // The child frame
  14
  15     var proto = Object.create(HTMLElement.prototype);
  16     proto.attributeChangedCallback = function () {
  17         destroyContext();
  18     };
  19
  20     var A = document.registerElement('x-a', {prototype: proto});
  21     var a = new A();
  22     a.id = 'boom';
  23     done();
  24 }
  25 </script>