<!DOCTYPE html>
<script src="../../../resources/js-test-pre.js"></script>
<script src="../resources/media-controls-utils.js" type="text/javascript"></script>
<body>
<video src="../../content/CC+Subtitles.mov" style="position: absolute; left: 0; top: 0; width: 640px; height: 360px;" controls autoplay></video>
<script type="text/javascript">

window.jsTestIsAsync = true;

description("Ensure we have the Auto text track selected by default.");

const media = document.querySelector("video");
const shadowRoot = window.internals.shadowRoot(media);

media.addEventListener("play", () => {
    media.pause();

    shouldBecomeDifferent("shadowRoot.querySelector('button.tracks')", "null", () => {
        shouldBecomeDifferent("shadowRoot.querySelector('button.tracks').getBoundingClientRect().width", "0", () => {
            window.internals.setCaptionDisplayMode("automatic");
            pressOnElement(shadowRoot.querySelector("button.tracks"));
            shouldBecomeDifferent("shadowRoot.querySelector('.tracks-panel')", "null", () => {
                shouldBeEqualToString("shadowRoot.querySelectorAll('li.selected')[1].textContent", "Auto (Recommended)");
                debug("");
                window.internals.setCaptionDisplayMode("forcedonly");
                media.remove();
                finishJSTest();
            });
        });
    });
});

</script>
<script src="../../../resources/js-test-post.js"></script>
</body>