<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
</script>
</head>
<body>
    <audio id="audio" playsinline autoplay></audio>
    <script>
promise_test(async t => {
    audio.muted = false;
    audio.volume = 0;
    audio.src = "128kbps-44khz.mp3";

    await audio.play();

    if (!window.internals)
        return Promise.rejects("test needs internals, if manually testing, the page should not play any audio");

    assert_equals(internals.privatePlayerVolume(audio), 0);
}, "Verify audio internal volume stays at 0");
    </script>
</body>
</html>