<!DOCTYPE HTML>
<html>
<head>
  <script type="application/javascript" src="pc.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
  createHTML({
    bug: "1091898",
    title: "PeerConnection with promises (sendonly)",
    visible: true
  });

  var pc1 = new RTCPeerConnection();
  var pc2 = new RTCPeerConnection();

  var add = (pc, can, failed) => can && pc.addIceCandidate(can).catch(failed);
  pc1.onicecandidate = e => add(pc2, e.candidate, generateErrorCallback());
  pc2.onicecandidate = e => add(pc1, e.candidate, generateErrorCallback());

  var v1, v2;
  var delivered = new Promise(resolve => pc2.ontrack = e => {
    // Test RTCTrackEvent here.
    ok(e.streams.length, "has streams");
    ok(e.streams[0].getTrackById(e.track.id), "has track");
    ok(pc2.getReceivers().some(receiver => receiver == e.receiver), "has receiver");
    if (e.streams[0].getTracks().length == 2) {
      // Test RTCTrackEvent required args here.
      mustThrowWith("RTCTrackEvent wo/required args",
                    "TypeError", () => new RTCTrackEvent("track", {}));
      v2.srcObject = e.streams[0];
      resolve();
    }
  });

  runNetworkTest(function() {
    v1 = createMediaElement('video', 'v1');
    v2 = createMediaElement('video', 'v2');
    var canPlayThrough = new Promise(resolve => v2.canplaythrough = e => resolve());

    is(v2.currentTime, 0, "v2.currentTime is zero at outset");

    return navigator.mediaDevices.getUserMedia({ video: true, audio: true })
    .then(stream => (v1.srcObject = stream).getTracks().forEach(t => pc1.addTrack(t, stream)))
    .then(() => pc1.createOffer({})) // check that createOffer accepts arg.
    .then(offer => pc1.setLocalDescription(offer))
    .then(() => pc2.setRemoteDescription(pc1.localDescription))
    .then(() => pc2.createAnswer({}))  // check that createAnswer accepts arg.
    .then(answer => pc2.setLocalDescription(answer))
    .then(() => pc1.setRemoteDescription(pc2.localDescription))
    .then(() => delivered)
//    .then(() => canPlayThrough)    // why doesn't this fire?
    .then(() => waitUntil(() => v2.currentTime > 0))
    .then(() => ok(v2.currentTime > 0, "v2.currentTime is moving (" + v2.currentTime + ")"))
    .then(() => ok(true, "Connected."));
  });
</script>
</pre>
</body>
</html>
