<!DOCTYPE HTML>
<html>
<head>
  <script type="application/javascript" src="pc.js"></script>
  <script type="application/javascript" src="/tests/dom/canvas/test/captureStream_common.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
  createHTML({
    bug: "1017888",
    title: "Renegotiation: remove video track"
  });

  runNetworkTest(async (options) => {
    // [TODO] re-enable HW decoder after bug 1526207 is fixed.
    if (navigator.userAgent.includes("Android")) {
      await pushPrefs(["media.navigator.mediadatadecoder_vpx_enabled", false],
                      ["media.webrtc.hw.h264.enabled", false]);
    }

    const test = new PeerConnectionTest(options);
    let receivedTrack, element;
    addRenegotiation(test.chain,
      [
        function PC_REMOTE_SETUP_HELPER(test) {
          is(test.pcRemote._pc.getReceivers().length, 1,
             "pcRemote should have one receiver before renegotiation");

          receivedTrack = test.pcRemote._pc.getReceivers()[0].track;
          is(receivedTrack.readyState, "live",
             "The received track should be live");

          element = createMediaElement("video", "pcRemoteReceivedVideo");
          element.srcObject = new MediaStream([receivedTrack]);
          return haveEvent(element, "loadeddata");
        },
        function PC_LOCAL_REMOVE_VIDEO_TRACK(test) {
          test.setOfferOptions({ offerToReceiveVideo: true });
          test.setMediaConstraints([], [{video: true}]);
          return test.pcLocal.removeSender(0);
        },
      ],
      [
        function PC_REMOTE_CHECK_FLOW_STOPPED(test) {
          is(test.pcRemote._pc.getTransceivers().length, 1,
              "pcRemote should have one transceiver");
          const track = test.pcRemote._pc.getTransceivers()[0].receiver.track;

          const vAdded = test.pcRemote.remoteMediaElements.find(
              elem => elem.id.includes(track.id));
          const helper = new VideoStreamHelper();
          return helper.checkVideoPaused(vAdded, 10, 10, 16, 5000);
        },
      ]
    );

    test.setMediaConstraints([{video: true}], [{video: true}]);
    await test.run();
  });
</script>
</pre>
</body>
</html>
