third_party/WebKit/LayoutTests/compositing/force-compositing-mode/overflow-iframe-enter-compositing.html

   1 <html>
   2 <head>
   3   <script src="../../resources/run-after-layout-and-paint.js"></script>
   4   <style>
   5     iframe {
   6       height: 150px;
   7       width: 150px;
   8     }
   9   </style>
  10   <script>
  11     if (window.internals) {
  12       internals.settings.setPreferCompositingToLCDTextEnabled(true);
  13     }
  14     function doTest()
  15     {
  16       if (window.testRunner)
  17         testRunner.waitUntilDone();
  18       runAfterLayoutAndPaint(function() {
  19         var iframe = document.getElementById("parent-iframe");
  20         var box = iframe.contentDocument.getElementById("box");
  21         box.setAttribute("style", "height:500px;width:500px;");
  22         iframe.contentDocument.body.offsetWidth; // See bug 41999
  23         if (window.testRunner) {
  24           testRunner.dumpAsText();
  25           document.getElementById('layertree').innerText = window.internals.layerTreeAsText(document);
  26           testRunner.notifyDone();
  27         }
  28       });
  29     }
  30     window.addEventListener("load", doTest, false);
  31   </script>
  32 </head>
  33 <body>
  34     <iframe id="parent-iframe" src="resources/subframe-small.html"></iframe>
  35     <pre id="layertree"></p>
  36 </body>
  37 </html>