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<!DOCTYPE html>
<meta charset="utf-8" />
<meta viewport="width=device-width, initial-scale=1" />
<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 type="module">
import {
getOppositeOrientation,
makeCleanup,
attachIframe,
} from "./resources/orientation-utils.js";
test(() => {
screen.orientation.unlock();
}, "unlock() doesn't throw when there is no lock");
test(() => {
const value = screen.orientation.unlock();
assert_equals(value, undefined);
}, "unlock() returns a void value");
promise_test(async (t) => {
t.add_cleanup(makeCleanup());
await test_driver.bless("request full screen");
await document.documentElement.requestFullscreen();
screen.orientation.unlock();
}, "unlock() doesn't throw when there is no lock with fullscreen");
promise_test(async (t) => {
t.add_cleanup(makeCleanup());
await test_driver.bless("request full screen");
await document.documentElement.requestFullscreen();
const promise = screen.orientation.lock(getOppositeOrientation());
screen.orientation.unlock();
await promise_rejects_dom(t, "AbortError", promise);
}, "unlock() aborts a pending lock request");
promise_test(async (t) => {
t.add_cleanup(makeCleanup());
await test_driver.bless("request full screen");
await document.documentElement.requestFullscreen();
const iframe = await attachIframe();
const promise = iframe.contentWindow.screen.orientation.lock(
getOppositeOrientation()
);
screen.orientation.unlock();
await promise_rejects_dom(
t,
"AbortError",
iframe.contentWindow.DOMException,
promise
);
}, "unlock() aborts a pending lock request across documents");
</script>
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