<!DOCTYPE html>
<!--
Check that removing the preserve-3d attribute from a layer has the intended
effect. See https://bugs.webkit.org/show_bug.cgi?id=95732.
Passing criteria: green box shown without any visible red.
-->
<html>
<head>
<style type="text/css" media="screen">
body {
-webkit-perspective: 400px;
}
.transformed-container {
-webkit-transform-style: preserve-3d;
transform: rotateX(90deg);
}
.reverse-transformed-child {
transform: rotateX(-90deg);
}
.box {
width: 100px;
height: 100px;
}
.indicator {
background: red;
}
.test {
position: absolute;
will-change: transform;
background: green;
}
</style>
<script src="../resources/run-after-layout-and-paint.js"></script>
<script type="text/javascript">
function doTest() {
runAfterLayoutAndPaint(function() {
document.getElementById('container').style.webkitTransformStyle = 'flat';
}, true);
}
window.addEventListener('load', doTest);
</script>
</head>
<body>
<div class="test box"></div>
<div id="container" class="transformed-container box">
<div class="reverse-transformed-child indicator box"></div>
</div>
</body>
</html>