third_party/WebKit/LayoutTests/fast/dom/custom/registration-context-delete-during-register-base-constructor-retrieval.html

   1 <!DOCTYPE html>
   2 <script src="../../../resources/js-test.js"></script>
   3 <script src="testutils.js"></script>
   4 <body>
   5 <script>
   6 if (fork()) {
   7     // The controlling parent frame
   8     description('Tests destroying a context during registration at the' +
   9                 ' point when the prototype\'s constructor property is retrieved.');
  10     jsTestIsAsync = true;
  11     successfullyParsed = true;
  12 } else {
  13     // The child frame
  14     var proto = Object.create(HTMLElement.prototype, {
  15         constructor: {
  16             configurable: true,
  17             get: function () {
  18                 destroyContext();
  19                 return HTMLElement;
  20             }
  21         }
  22     });
  23
  24     try {
  25         var element = document.registerElement('x-a', {prototype: proto});
  26         log('FAIL expected register to throw an exception');
  27     } catch (ex) {
  28         log('PASS caught expected exception "' + ex + '"');
  29     }
  30     done();
  31 }
  32 </script>