<!DOCTYPE html>
<title>Element ready check with no allowfullscreen attribute</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>
<body>
<iframe name="cross-origin-default"></iframe>
</body>
<script>
// Allow the time bomb to be triggered.
setup({ allow_uncaught_exception: true });
promise_test(async (t) => {
t.add_cleanup(() => {
if (document.fullscreenElement) return document.exitFullscreen();
});
const iframe = document.querySelector("iframe");
await new Promise((resolve) => {
iframe.onload = resolve;
iframe.src =
"http://{{hosts[][]}}:{{ports[http][0]}}/fullscreen/api/resources/attempt-fullscreen.html";
});
// Trigger the child frame to report as soon as its content is loaded.
await trusted_click();
const timeBomb = new Promise((resolve, reject) => {
t.step_timeout(() => {
const error = new Error("Timed out waiting for message");
reject(error);
}, 5000);
});
const data = await Promise.race([promiseMessage(iframe), timeBomb]);
// When a message is received from a child frame, ensure that the report
// matches the expectations.
assert_false(
data.report.result,
`${data.report.frame} frame entered fullscreen, but allowfullscreen was not set`
);
}, "Cross-origin element ready check with no allowfullscreen or allow attribute");
</script>
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