third_party/WebKit/LayoutTests/fast/frames/iframe-onload-and-domnodeinserted.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="../../resources/js-test.js"></script>
   5 </head>
   6 <body>
   7 <div id="g"></div>
   8 <script>
   9 description("This test ensures that any tree mutation in the load event handler cannot harm the tree consistency.")
  10 var docElement = document.documentElement;
  11
  12 textareaElement = document.createElement("textarea");
  13 iframeElement = document.createElement("iframe");
  14
  15 var loadEventFired = false;
  16 textareaElement.appendChild(iframeElement);
  17 iframeElement.addEventListener("load", function () { iframeElement.innerHTML = "X"; loadEventFired = true; }, false);
  18 textareaElement.addEventListener("DOMNodeInserted", function () { document.implementation.createDocument("", "", null).adoptNode(textareaElement) }, false);
  19 document.documentElement.appendChild(textareaElement); // The DOMNodeInserted event is triggered here through innerHTML = "X"
  20 document.getElementById("g").appendChild(textareaElement);
  21 shouldBeTrue("loadEventFired");
  22 debug("PASS unless crash.");
  23 </script>
  24 </body>
  25 </html>