<!DOCTYPE html>
<html>
<head>
  <style type="text/css" media="screen">
    embed {
      height: 1px;
      width: 1px;
      border: 1px solid black;
    }
  </style>
  <script type="text/javascript" charset="utf-8">
    if (window.testRunner) {
        testRunner.dumpAsText();
        testRunner.waitUntilDone();
    }

    function doTest()
    {
        window.setTimeout(function() {
            if (window.testRunner) {
                var layers = window.internals.layerTreeAsText(document);
                var result;
                if (layers == "")
                  result = "PASS: no layers found";
                else
                  result = "FAIL: found layers " + layers;
                document.getElementById('result').innerHTML = result;
                testRunner.notifyDone();
            }
        }, 0);
    }

    window.addEventListener('load', doTest, false);
  </script>
</head>
<body>
    <embed type="application/x-webkit-test-netscape" width="1" height="1" drawingmodel="coreanimation">
    <embed type="application/x-webkit-test-netscape" width="100" height="0" drawingmodel="coreanimation">

    <div id="result">Test only works in DRT</div>
</body>
</html>