third_party/WebKit/LayoutTests/fast/dom/custom/registration-context-delete-during-register-extends-retrieval-and-throw.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 point when the "extends" option is retrieved, then throws an exception.');
   9     jsTestIsAsync = true;
  10     successfullyParsed = true;
  11 } else {
  12     // The child frame
  13
  14     var options = Object.create(Object.prototype, {
  15       extends: {
  16           get: function () {
  17               destroyContext();
  18               throw 'future events such as these will affect you in the future';
  19           }
  20       }
  21     });
  22
  23     try {
  24         document.registerElement('x-a', options);
  25         log('FAIL expected register to throw an exception');
  26     } catch (ex) {
  27         log('PASS caught expected exception "' + ex + '"');
  28     }
  29     done();
  30 }
  31 </script>