blob: d60bd27c0243dbc090fb8c533e7d0cdb26e62ab2 [file] [log] [blame]
<!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] -->
<html>
<head>
<title>Tests that we make a compositing layer for an abspost element inside something that paints into the scroller</title>
<style>
.scroller {
overflow: scroll;
margin: 10px;
background-color: silver;
border: 1px solid black;
padding: 10px;
width: 200px;
height: 150px;
}
.stacking {
border: 2px solid gray;
padding: 20px;
opacity: 0.75;
}
.box {
width: 100px;
height: 100px;
background-color: blue;
}
.absolute {
position: absolute;
left: 100px;
}
.scrolling-content {
height: 1000px;
}
</style>
<script>
if (window.testRunner)
testRunner.dumpAsText();
window.addEventListener('load', () => {
if (window.internals)
document.getElementById('scrollingTree').innerText = window.internals.scrollingStateTreeAsText() + "\n";
}, false);
</script>
</head>
<body>
<div class="container">
<div class="scroller">
<div class="scrolling-content">
<div class="stacking">
<div class="absolute stationary box"></div>
</div>
</div>
</div>
</div>
<pre id="scrollingTree"></pre>
</body>
</html>