<!doctype html>
<html>
    <head>
        <meta charset="utf-8">
        <title>Testing getParameters on a basic video exchange</title>
        <script src="../resources/testharness.js"></script>
        <script src="../resources/testharnessreport.js"></script>
    </head>
    <body>
        <script src ="routines.js"></script>
        <script>
var firstConnection, secondConnection;
promise_test((test) => {
    if (window.testRunner)
        testRunner.setUserMediaPermission(true);

    var sender, receiver;
    var localStream, remoteStream;
    return navigator.mediaDevices.getUserMedia({ video: true}).then((stream) => {
        localStream = stream;
        return new Promise((resolve, reject) => {
            createConnections((connection) => {
                firstConnection = connection;
                sender = firstConnection.addTrack(stream.getVideoTracks()[0], stream);
            }, (connection) => {
                secondConnection = connection;
                receiver = secondConnection.addTransceiver("video").receiver;
                secondConnection.ontrack = (trackEvent) => {
                    remoteStream = trackEvent.streams[0];
                    resolve();
                };
            });
            setTimeout(() => reject("Test timed out"), 5000);
        });
    }).then(() => {
        assert_true(!!sender, "sender should not be undefined");
        assert_true(!!receiver, "receiver should not be undefined");
        var senderParameters = sender.getParameters();
        var receiverParameters = receiver.getParameters();
        assert_true(!!senderParameters, "sender parameters should not be undefined or null");
        assert_true(!!receiverParameters, "receiver parameters should not be undefined or null");

        senderParameters.encodings[0].fec.ssrc = 1;
        senderParameters.encodings[0].rtx.ssrc = 1;
        receiverParameters.encodings[0].fec.ssrc = 1;
        receiverParameters.encodings[0].rtx.ssrc = 1;

        assert_equals(JSON.stringify(senderParameters), JSON.stringify(receiverParameters), "testing sender vs. receiver parameters");

        senderParameters.encodings[0].ssrc = 1;
        assert_equals(JSON.stringify(senderParameters), '{"codecs":[],"degradationPreference":"balanced","encodings":[{"active":true,"dtx":"disabled","fec":{"ssrc":1},"maxBitrate":0,"maxFramerate":0,"priority":"medium","rid":"","rtx":{"ssrc":1},"scaleResolutionDownBy":1,"ssrc":1}],"headerExtensions":[],"transactionId":""}', "Testing sanitized parameters");
    });
}, "Basic video stats");
        </script>
    </body>
</html>