blob: 02f348177d47153e771dbb2b3ad9d21dd1179185 [file] [log] [blame]
<!DOCTYPE html> <!-- webkit-test-runner [ internal:AsyncOverflowScrollingEnabled=true ] -->
<html>
<head>
<style>
.scroller {
overflow-y: scroll;
margin: 15px;
height: 350px;
width: 400px;
border: 1px solid black;
}
.inner {
width: 300px;
height: 200px;
margin: 20px;
background-color: white;
}
.box {
position: relative;
width: 100px;
height: 80px;
margin: 10px;
background-color: green;
}
.trigger {
position: absolute;
top: 10px;
left: 10px;
width: 60px;
height: 550px;
transform: translateZ(0);
background-color: rgba(128, 128, 200, 0.7);
}
.outside {
background-color: gray;
}
.spacer {
height: 500px;
}
</style>
<script>
if (window.testRunner)
testRunner.dumpAsText();
window.addEventListener('load', () => {
if (window.testRunner)
document.getElementById('layers').innerText = window.internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_CLIPPING);
}, false);
</script>
</head>
<body>
<div class="outside box"></div>
<div class="scroller">
<div class="inner box"></div>
<div class="inner scroller">
<div class="trigger"></div>
<div class="inside box"></div>
<div class="inside box"></div>
<div class="inside box"></div>
</div>
<div class="spacer"></div>
</div>
<div class="outside box"></div>
<pre id="layers">Layer tree goes here</pre>
</body>
</html>