element-ready-allowed.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-ready-allowed.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Element ready check with enabled flag not set</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>

<iframe></iframe>

<script>

    promise_test(async function (t) {

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

        await new Promise((r) => {

            iframe.onload = r;

            iframe.src = "about:blank";

});

        document.onfullscreenchange = t.unreached_func(

            "document fullscreenchange event"

);

        document.onfullscreenerror = t.unreached_func(

            "document fullscreenerror event"

);

        iframe.contentDocument.onfullscreenchange = t.unreached_func(

            "iframe fullscreenchange event"

);

        assert_false(iframe.allowFullscreen, "fullscreen enabled flag");

        assert_true(

            iframe.contentDocument.fullscreenEnabled,

            "fullscreen enabled flag"

);

        return trusted_request(iframe.contentDocument.body, document.body);

});

</script>