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<!DOCTYPE html>
<html>
<title>Transitions: Transition in <iframe> on page with empty rAF finishes</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" href="mailto:mrobinson@igalia.com">
<link rel="author" href="mailto:obrufau@igalia.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/rendering-utils.js"></script>
<style>
#iframe {
width: 100px;
height: 100px;
border: none;
}
</style>
<script>
let rAFId = null;
function triggerNeverEndingUselessRAF() {
rAFId = requestAnimationFrame(triggerNeverEndingUselessRAF);
}
promise_test(async t => {
await waitForAtLeastOneFrame();
await waitForAtLeastOneFrame();
let iframe = document.createElement("iframe");
iframe.id = "iframe";
iframe.src = "support/transition-in-iframe-001-iframe.html"
iframe.sandbox = "allow-scripts";
iframe.addEventListener("load", async () => {
await waitForAtLeastOneFrame();
await waitForAtLeastOneFrame();
iframe.contentWindow.postMessage("loaded", "*");
});
triggerNeverEndingUselessRAF();
document.body.appendChild(iframe);
await new Promise(resolve => {
window.addEventListener("message", () => {
cancelAnimationFrame(rAFId);
resolve();
});
});
});
</script>
</html>
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