third_party/WebKit/LayoutTests/fast/repaint/paint-invalidation-with-reparent-across-frame-boundaries.html

   1 <!DOCTYPE html>
   2 <iframe id="iframe" srcdoc="<div id='inner-target'>abc</div>"></iframe>
   3 Test that reparenting a text node across frame boundaries invalidates only the necessary regions
   4 in the source and destination frame. Succeeds if there is no invalidation of the entire root frame.
   5 <div id="target"></div>
   6 <script src="../../fast/repaint/resources/text-based-repaint.js"></script>
   7 <script>
   8 function repaintTest() {
   9     var target = document.getElementById("target");
  10     var iframeElement = document.getElementById("iframe");
  11     var textNode = iframeElement.contentDocument.getElementById("inner-target");
  12     target.appendChild(textNode);
  13 }
  14 onload = runRepaintTest;
  15 </script>