<body>
<p>
    This tests that audio controls do not fade out when the audio is playing.
</p>
<p id="result">
    FAIL: Test did not run.
</p>
<audio id="audio" controls autoplay onplaying="playing()" src="content/silence.wav"></audio><br>
<script>
    if (window.testRunner) {
        testRunner.waitUntilDone();
        testRunner.dumpAsText();
    }

    function playing() {
        setTimeout(function() {
            var controls = internals.shadowRoot(document.getElementById("audio")).firstChild.firstChild;
            var opacity = getComputedStyle(controls).opacity;
            document.getElementById("result").innerText = opacity < 1 ? "FAIL" : "PASS";
            testRunner.notifyDone();
        }, 250)
    }
</script>
</body>