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<!DOCTYPE html>
<title>
Element#requestFullscreen() followed by moving the element into an iframe
</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="../trusted-click.js"></script>
<div id="log"></div>
<div id="target"></div>
<iframe allowfullscreen></iframe>
<script>
// rfsPromise will be uncaught
setup({ allow_uncaught_exception: true });
promise_test(async (t) => {
const iframe = document.querySelector("iframe");
await new Promise((r) => {
iframe.onload = r;
iframe.src = "about:blank";
});
const target = document.getElementById("target");
const iframeDoc = iframe.contentDocument;
iframeDoc.onfullscreenchange = t.unreached_func(
"fullscreenchange event in iframe"
);
iframeDoc.onfullscreenerror = t.unreached_func(
"fullscreenerror event in iframe"
);
document.onfullscreenchange = t.unreached_func(
"fullscreenchange event"
);
const errorPromise = new Promise(
(resolve) => (document.onfullscreenerror = resolve)
);
await trusted_click(document.body);
const rfsPromise = target.requestFullscreen();
iframeDoc.body.appendChild(target);
const event = await errorPromise;
assert_equals(
iframeDoc.fullscreenElement,
null,
"inner fullscreen element"
);
assert_equals(
document.fullscreenElement,
null,
"outer fullscreen element"
);
assert_equals(event.target, document, "event target");
await promise_rejects_js(
t,
TypeError,
rfsPromise,
"requestFullscreen promise"
);
}, "Element#requestFullscreen() followed by moving the element into an iframe");
</script>
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