fullscreen/api/element-ready-allowed.html

<!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>