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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Animate using sibling iframe's timeline</title>
</head>
<body></body>
<script src="/common/get-host-info.sub.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script type="text/javascript">
'use strict';
function crossSiteUrl(filename) {
const url =
get_host_info().HTTP_REMOTE_ORIGIN +
'/web-animations/timing-model/timelines/resources/' +
filename;
return url;
}
function loadFrame(name, path, hidden) {
return new Promise(resolve => {
const frame = document.createElement('iframe');
if (hidden)
frame.style = 'visibility: hidden;';
frame.name = name;
document.body.appendChild(frame);
frame.onload = () => {
resolve();
}
frame.src = crossSiteUrl(path);
});
}
function waitForTestResults() {
return new Promise(resolve => {
const listener = (evt) => {
window.removeEventListener('message', listener);
resolve(evt.data);
};
window.addEventListener('message', listener);
});
}
promise_test(async t => {
const promise = waitForTestResults().then((data) => {
assert_equals(data, 'PASS');
});
// Animate an element in frame A.
await loadFrame('a', 'target-frame.html', false);
// Animation's timeline is in hidden frame B.
await loadFrame('b', 'timeline-frame.html', true);
return promise;
}, 'animation tied to another frame\'s timeline runs properly');
</script>
</html>
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