third_party/WebKit/LayoutTests/fast/events/mutation-during-append-child.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="../../resources/js-test.js"></script>
   5 </head>
   6 <body>
   7 <div>
   8   <div id="child"></div>
   9   <div id="newparent"></div>
  10 </div>
  11 <script>
  12 description("Ensures that appendChild() throws an exception if mutation even handler does something wrong");
  13
  14 var listener = function() {
  15     document.removeEventListener("DOMNodeRemoved", listener, false);
  16     child.appendChild(newparent);
  17 };
  18 document.addEventListener("DOMNodeRemoved", listener, false);
  19 shouldThrow("newparent.appendChild(child);",  '"HierarchyRequestError: Failed to execute \'appendChild\' on \'Node\': The new child element contains the parent."');
  20 </script>
  21 </body>
  22 </html>