third_party/WebKit/LayoutTests/compositing/force-compositing-mode/no-overflow-iframe-layer.html

   1 <html>
   2 <head>
   3   <style>
   4     iframe {
   5       height: 150px;
   6       width: 150px;
   7     }
   8   </style>
   9   <script>
  10     function doTest()
  11     {
  12       document.getElementById('iframe').contentDocument.body.offsetWidth; // See wkbug.com/41999
  13       if (window.testRunner) {
  14         testRunner.dumpAsText();
  15         document.getElementById('layertree').innerText = window.internals.layerTreeAsText(document);
  16       }
  17     }
  18     window.addEventListener("load", doTest, false);
  19     if (window.internals) {
  20       internals.settings.setPreferCompositingToLCDTextEnabled(true);
  21     }
  22   </script>
  23 </head>
  24 <body>
  25   <!-- this should not generate a layer and the layer tree should be empty -->
  26   <iframe id="iframe" src="resources/subframe-small.html"></iframe>
  27   <pre id="layertree"></pre>
  28 </body>
  29 </html>