element-request-fullscreen-not-allowed.html

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This WPT test may be referenced by the following Test IDs:
- /fullscreen/api/element-request-fullscreen-not-allowed.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>

    Element#requestFullscreen() when not allowed to request fullscreen

</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<div id="log"></div>

<script>

    promise_test(async (t) => {

        const div = document.querySelector("div");

        const errorEventPromise = new Promise(

            (resolve) => (document.onfullscreenerror = resolve)

);

        const [, event] = await Promise.all([

            promise_rejects_js(t, TypeError, div.requestFullscreen()),

            errorEventPromise,

]);

        assert_equals(event.type, "fullscreenerror");

        assert_equals(event.target, div, "event.target");

        assert_true(event.bubbles, "event.bubbles");

        assert_false(event.cancelable, "event.cancelable");

        assert_true(event.composed, "event.composed");

    }, "requestFullscreen() when not allowed to request fullscreen");

</script>