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<!DOCTYPE html>
<html class=reftest-wait>
<head>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/">
<link rel="match" href="pause-rendering-resize-ref.html">
<script src="/common/reftest-wait.js"></script>
<script src="/web-animations/testcommon.js"></script>
<style>
body { margin: 20px; }
#scope {
width: 200px;
height: 100px;
border: 20px solid #acf;
padding: 20px;
outline: 5px solid green;
font: 18pt monospace;
contain: layout;
}
#scope.changed {
width: 180px;
height: 120px;
outline-width: 10px;
}
</style>
</head>
<body>
<div id=scope>SCOPE</div>
<script>
const scope = document.querySelector("#scope");
failIfNot(scope.startViewTransition, "Missing element.startViewTransition");
async function raf() {
await new Promise(r => { requestAnimationFrame(r); });
}
async function runTest() {
await waitForCompositorReady();
await new Promise(finish => {
scope.startViewTransition(async () => {
scope.className = "changed";
await raf();
takeScreenshot();
// Finish test, transition never starts.
finish();
await new Promise(r => {});
});
});
}
onload = () => runTest();
</script>
</body>
</html>
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