<!DOCTYPE html>
<html>
<head>
    <title>audio-playback-volume-changes-with-restrictions</title>
    <script src=media-file.js></script>
    <script src=video-test.js></script>

    <script>
    function runTest()
    {
        audio = document.getElementsByTagName('audio')[0];
        run('internals.setMediaElementRestrictions(audio, "RequireUserGestureForAudioRateChange")');

        run('audio.src = findMediaFile("audio", "content/test")');
        run('audio.volume = 1');
        run('audio.play().then(failTest).catch(didPreventPlayback)');
    }

    function didPreventPlayback()
    {
        consoleWrite("Setting volume to 0 to allow playback");
        run('audio.volume = 0');
        run('audio.play().then(didPlaySilentAudio).catch(failTest)');
    }
    
    function didPlaySilentAudio()
    {
        consoleWrite("Ensure setting volume to non-zero value pauses media in the presence of audio rate change restrictions");
        run('audio.volume = 0.2');
        testExpected('audio.paused', true);
        endTest();
    }
    </script>
</head>

<body onload="runTest()">
    <audio controls></audio>
</body>
</html>