test_peerConnection_promiseSendOnly.html

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<!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>