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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
promise_test(t => {
const invalid_lock_types = [
"invalid-orientation",
null,
undefined,
123,
window,
"",
true,
["portrait-primary", "landscape-primary"],
];
const promisesToReject = invalid_lock_types.map(type =>
promise_rejects_js(t, TypeError, screen.orientation.lock(type))
);
return Promise.all(promisesToReject);
}, "screen.orientation.lock() must throw given invalid input.");
promise_test(t => {
return promise_rejects_js(t, TypeError, screen.orientation.lock());
}, "screen.orientation.lock() must throw when the input is missing.");
</script>
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