45 lines
979 B
HTML
45 lines
979 B
HTML
<!DOCTYPE html>
|
|
|
|
<html>
|
|
<head>
|
|
<style>
|
|
.box {
|
|
height: 100px;
|
|
width: 100px;
|
|
margin: 30px;
|
|
background-color: blue;
|
|
}
|
|
|
|
.shadowed {
|
|
box-shadow: 10px 10px 20px black;
|
|
}
|
|
</style>
|
|
|
|
<script>
|
|
if (window.testRunner)
|
|
testRunner.dumpAsText();
|
|
|
|
function doTest()
|
|
{
|
|
if (!window.testRunner || !window.internals)
|
|
return;
|
|
|
|
window.internals.startTrackingRepaints();
|
|
document.getElementById('box').classList.add('shadowed');
|
|
document.getElementById('repaints').textContent = window.internals.repaintRectsAsText();
|
|
window.internals.stopTrackingRepaints();
|
|
}
|
|
|
|
window.addEventListener('load', doTest, false);
|
|
</script>
|
|
</head>
|
|
<body>
|
|
|
|
<div id="box" class="box">
|
|
</div>
|
|
|
|
<h2>Repaint rects:</h2>
|
|
<pre id="repaints"></pre>
|
|
</body>
|
|
</html>
|