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<title>Hit-testing on the special setup from fixed-pos-scrolled-clip-3.html</title>
<script type="application/javascript" src="apz_test_utils.js"></script>
<script type="application/javascript" src="apz_test_native_event_utils.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<meta name="viewport" content="width=device-width"/>
body {
margin: 0;
height: 4000px;
.transform {
transform: translate(10px, 10px);
width: 500px;
.subframe {
height: 600px;
overflow: auto;
box-shadow: 0 0 0 2px black;
.scrolled {
height: 4000px;
position: relative;
.absoluteClip {
position: absolute;
top: 300px;
left: 100px;
width: 200px;
height: 200px;
background: red;
clip: rect(auto auto auto auto);
.fixed {
position: fixed;
top: 0;
right: 0;
bottom: 0;
left: 0;
background: linear-gradient(lime, lime) black 0 100px no-repeat;
background-size: 100% 200px;
<!-- This is lifted from layout/reftests/async-scrolling/fixed-pos-scrolled-clip-3.html -->
<div class="transform">
<div class="subframe">
<div class="scrolled">
<div class="absoluteClip">
<div class="fixed"></div>
<script type="application/javascript">
async function test() {
var config = getHitTestConfig();
var utils = config.utils;
// layerize the scrollable frame
var subframe = document.querySelector(".subframe");
utils.setDisplayPortForElement(0, 0, 800, 2000, subframe, 1);
await promiseApzFlushedRepaints();
var target = document.querySelector(".absoluteClip");
// The fixed item is fixed with respect to the transform, which is
// outside the subframe, so we should scroll the root scroll frame,
// not the subframe.
"fixed item inside a scrolling transform");
.then(subtestDone, subtestFailed);