<!DOCTYPE html> | |
<html> | |
<head> | |
<style> | |
body { | |
height: 2000px; | |
width: 1000px; | |
} | |
.fixed { | |
position: fixed; | |
height: 100px; | |
width: 100px; | |
background-color: rgba(0, 0, 0, 0.5); | |
} | |
.top, .bottom { | |
left: 0; | |
width: 100%; | |
} | |
.left, .right { | |
top: 200px; | |
} | |
.top { | |
top: 0; | |
} | |
.bottom { | |
bottom: 0; | |
} | |
.left { | |
left: 0; | |
} | |
.right { | |
right: 0; | |
} | |
</style> | |
<script> | |
if (window.testRunner) { | |
testRunner.dumpAsText(); | |
testRunner.waitUntilDone(); | |
} | |
if (window.internals) { | |
internals.settings.setAcceleratedCompositingForFixedPositionEnabled(true); | |
internals.setUseFixedLayout(true); | |
internals.setFixedLayoutSize(1000, 2000); | |
var scale = 800 / 1000; | |
eventSender.scalePageBy(scale, scale); | |
} | |
function doTest() | |
{ | |
window.setTimeout(function() { | |
document.getElementById("layerTree").innerText = window.internals.layerTreeAsText(document); | |
testRunner.notifyDone(); | |
}, 0); | |
} | |
window.addEventListener('load', doTest, false); | |
</script> | |
</head> | |
<body> | |
<div class="top fixed"> | |
Top | |
</div> | |
<div class="left fixed"> | |
Left | |
</div> | |
<div class="right fixed"> | |
Right | |
</div> | |
<div class="bottom fixed"> | |
bottom | |
</div> | |
<pre id="layerTree"></pre> | |
</body> | |
</html> |