third_party/WebKit/ManualTests/plug-in-mutates-NSView-hierarchy-during-resize.html

   1 <style>
   2     div { padding: 10px; margin: 8px; }
   3     embed { width: 50px; height: 50px; }
   4     iframe { width: 50px; height: 50px; }
   5 </style>
   6 <script>
   7     var callCount = 0;
   8
   9     function hideFirst()
  10     {
  11         if (++callCount != 2)
  12             return;
  13
  14         var target = document.getElementById("target");
  15         if (!target)
  16             return;
  17
  18         target.parentNode.removeChild(target);
  19         document.body.offsetTop;
  20     }
  21 </script>
  22 <p>
  23     Test that plugins cannot cause the NSView hierarchy to change beneath <tt>-[NSView _invalidateGStatesForTree]</tt>.
  24 </p>
  25 <p>
  26     To test, resize the browser window. Reload and repeat a few times. Each time you resize, the orange rectangle and
  27     its contents should vanish, and the browser should not crash.
  28 </p>
  29 <div id="target" style="border: solid orange;">
  30     <embed type="application/x-webkit-test-netscape"></embed>
  31     <iframe src=""></iframe>
  32     <iframe src=""></iframe>
  33     <iframe src=""></iframe>
  34 </div>
  35 <div style="border: solid blue;">
  36     <embed type="application/x-webkit-test-netscape" onsetwindow="hideFirst()"></embed>
  37 </div>