<!doctype html>
<html>
    <head>
        <meta charset="utf-8">
        <title>MediaStream objects should remain the same for a remote track when changing direction</title>
        <script src="../resources/testharness.js"></script>
        <script src="../resources/testharnessreport.js"></script>
    </head>
    <body>
        <video id="video" autoplay=""></video>
        <script src ="routines.js"></script>
        <script>
var pc1, pc2;
var remoteStream;
var trackEventCounter = 0;
promise_test(async () => {
    const localStream = await navigator.mediaDevices.getUserMedia({audio: true, video: true});
    remoteStream = await new Promise((resolve, reject) => {
        createConnections((firstConnection) => {
            pc1 = firstConnection;
            pc1.addTrack(localStream.getAudioTracks()[0], localStream);
            pc1.addTrack(localStream.getVideoTracks()[0], localStream);
            pc1.getTransceivers().forEach(transceiver => transceiver.direction = "sendonly");
        }, (secondConnection) => {
            pc2 = secondConnection;
            pc2.ontrack = (trackEvent) => {
                resolve(trackEvent.streams[0]);
            };
        });
        setTimeout(() => reject("Test timed out"), 5000);
    });
    video.srcObject = remoteStream;
    await video.play();
}, "Setup connection with sendonly transceiver");

promise_test(async () => {
    pc1.getTransceivers().forEach(transceiver => transceiver.direction = "inactive");
    return renegotiate(pc1, pc2);
}, "Set transceiver as inactive");

promise_test(async () => {
    // Setting direction to sendonly will trigger two new track events.
    pc2.ontrack = (trackEvent) => {
         test(() => {
             assert_equals(remoteStream, trackEvent.streams[0]);
         }, "track event stream test - " + trackEvent.track.kind);
    };

    pc1.getTransceivers().forEach(transceiver => transceiver.direction = "sendonly");
    return renegotiate(pc1, pc2);
}, "Set transceiver as sendonly");
        </script>
    </body>
</html>