blob: be9b259fa953c9047bf5baf7305bb6382d7111d1 [file] [log] [blame]
<!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] -->
<html>
<head>
<title>Tests clipped layer in overflow in clipped in overflow</title>
<style>
#scroller {
height: 300px;
width: 300px;
margin: 20px;
border: 13px solid black;
box-shadow: 0 0 7px black;
padding: 8px;
}
.scroller {
overflow-y: scroll;
}
.inner.scroller {
height: 200px;
width: 200px;
margin: 20px;
border: 3px solid purple;
}
.clipping {
overflow: hidden;
border: 2px solid gray;
}
.outer.clipping {
margin: 10px;
width: 200px;
height: 200px;
}
.box {
margin-top: 50px;
margin-left: 30px;
width: 100px;
height: 100px;
background-color: blue;
}
.composited {
transform: translateZ(0);
box-shadow: 0 0 4px black;
}
.spacer {
height: 200px;
width: 20px;
background-color: silver;
}
</style>
<script>
if (window.testRunner)
testRunner.dumpAsText();
window.addEventListener('load', () => {
scroller.scrollTo(0, 50);
scroller2.scrollTo(0, 150);
if (window.internals)
document.getElementById('scrollingTree').innerText = window.internals.scrollingStateTreeAsText() + "\n";
}, false);
</script>
</head>
<body>
<div id="scroller" class="scroller">
<div class="spacer"></div>
<div class="outer clipping">
<div id="scroller2" class="inner scroller">
<div class="spacer"></div>
<div class="clipping">
<div class="composited box"></div>
</div>
<div class="spacer"></div>
</div>
</div>
<div class="spacer"></div>
</div>
<pre id="scrollingTree"></pre>
</body>
</html>