element-request-fullscreen-twice.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /fullscreen/api/element-request-fullscreen-twice.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Element#requestFullscreen() twice</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>

<script>

    promise_test(async (t) => {

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

        await trusted_click(document.body);

        const p = div.requestFullscreen();

        assert_equals(

            document.fullscreenElement,

            null,

            "fullscreenElement after first requestFullscreen()"

);

        const rejectedPromises = [

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

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

];

        await Promise.all([p, fullScreenChange()]);

        assert_equals(

            document.fullscreenElement,

            div,

            "fullscreenElement after entering fullscreen"

);

        // Ensure that there's are not more changes fullscreenchange event.

        document.onfullscreenchange = t.unreached_func(

            "second fullscreenchange event"

);

        await Promise.all(rejectedPromises);

        await new Promise((r) => requestAnimationFrame(r));

    }, "requestFullscreen() multiple times after going fullscreen");

</script>