<!DOCTYPE HTML>
<html>
    <head>
        <script src="../../resources/js-test-pre.js"></script>
        <script src="./resources/getUserMedia-helper.js"></script>
        <script>
            var mediaStream;
            var track;

            function limitPrecision(value, precision)
            {
                if (typeof value === "number" && value % 1 != 0)
                    return value.toFixed(precision);
                return value;
            }
            
            function listTrackSettings(track)
            {
                debug(`${track.kind} track settings:`);
                settings = track.getSettings();
                for (var property in settings) {
                    if (settings.hasOwnProperty(property) || settings.__proto__.hasOwnProperty(property)) {
                        if (property == "deviceId")
                            value = "&lt;UUID>";
                        else
                            value = limitPrecision(settings[property], 3);
                        debug(`  settings.${property} = ${value}`);
                    }
                }

                debug("");
            }

            function checkTrackSettings(t)
            {
                track = t;

                capabilities = track.getCapabilities();
                settings = track.getSettings();
                for (var property in settings) {
                    if (settings.hasOwnProperty(property) || settings.__proto__.hasOwnProperty(property)) {
                        shouldBeTrue(`"${property}" in track.getCapabilities()`);
                    }
                }
            }

            function gotStream(stream)
            {
                mediaStream = stream;

                listTrackSettings(mediaStream.getVideoTracks()[0]);
                listTrackSettings(mediaStream.getAudioTracks()[0]);

                debug('According to the spec: "[every setting] MUST be a member of the set defined for that property by getCapabilities()"<br>');
                checkTrackSettings(mediaStream.getVideoTracks()[0]);
                checkTrackSettings(mediaStream.getAudioTracks()[0]);
                finishJSTest();
            }

            function start()
            {
                description("Tests MediaStreamTrack.getSettings.");
                getUserMedia("allow", {audio:true, video:true}, gotStream);
            }

            window.jsTestIsAsync = true;
            window.successfullyParsed = true;
        </script>

    </head>
    <body onload="start()">
        <p id="description"></p>
        <div id="console"></div>
        <script src="../../resources/js-test-post.js"></script>
    </body>
</html>