Content - 06408d072afda8acc9790b8fc152e16561cf780f - bf72e0b/webrtc/RTCPeerConnection-setRemoteDescription-replaceTrack.https.html

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Tip revision: 0411120510cdf715e349d407a44b834c54662162 authored by Anne van Kesteren on 09 April 2018, 14:18:58 UTC
Test self.event in workers
Tip revision: 0411120
RTCPeerConnection-setRemoteDescription-replaceTrack.https.html
<!doctype html>
<meta charset=utf-8>
<title>RTCPeerConnection.prototype.setRemoteDescription - replaceTrack</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="RTCPeerConnection-helper.js"></script>
<script>
  'use strict';

  // The following helper functions are called from RTCPeerConnection-helper.js:
  //   getUserMediaTracksAndStreams

  async_test(t => {
    const caller = new RTCPeerConnection();
    return getUserMediaTracksAndStreams(2)
    .then(t.step_func(([tracks, streams]) => {
      const sender = caller.addTrack(tracks[0], streams[0]);
      return sender.replaceTrack(tracks[1])
      .then(t.step_func(() => {
        assert_equals(sender.track, tracks[1]);
        t.done();
      }));
    }))
    .catch(t.step_func(reason => {
      assert_unreached(reason);
    }));
  }, 'replaceTrack() sets the track attribute to a new track.');

  async_test(t => {
    const caller = new RTCPeerConnection();
    return getUserMediaTracksAndStreams(1)
    .then(t.step_func(([tracks, streams]) => {
      const sender = caller.addTrack(tracks[0], streams[0]);
      return sender.replaceTrack(null)
      .then(t.step_func(() => {
        assert_equals(sender.track, null);
        t.done();
      }));
    }))
    .catch(t.step_func(reason => {
      assert_unreached(reason);
    }));
  }, 'replaceTrack() sets the track attribute to null.');

  async_test(t => {
    const caller = new RTCPeerConnection();
    return getUserMediaTracksAndStreams(2)
    .then(t.step_func(([tracks, streams]) => {
      const sender = caller.addTrack(tracks[0], streams[0]);
      assert_equals(sender.track, tracks[0]);
      sender.replaceTrack(tracks[1]);
      // replaceTrack() is asynchronous, there should be no synchronously
      // observable effects.
      assert_equals(sender.track, tracks[0]);
      t.done();
    }))
    .catch(t.step_func(reason => {
      assert_unreached(reason);
    }));
  }, 'replaceTrack() does not set the track synchronously.');

  async_test(t => {
    const expectedException = 'InvalidStateError';
    const caller = new RTCPeerConnection();
    return getUserMediaTracksAndStreams(2)
    .then(t.step_func(([tracks, streams]) => {
      const sender = caller.addTrack(tracks[0], streams[0]);
      caller.close();
      return sender.replaceTrack(tracks[1])
      .then(t.step_func(() => {
        assert_unreached('Expected replaceTrack() to be rejected with ' +
                         expectedException + ' but the promise was resolved.');
      }),
      t.step_func(e => {
        assert_equals(e.name, expectedException);
        t.done();
      }));
    }))
    .catch(t.step_func(reason => {
      assert_unreached(reason);
    }));
  }, 'replaceTrack() rejects when the peer connection is closed.');

  async_test(t => {
    const expectedException = 'InvalidModificationError';
    const caller = new RTCPeerConnection();
    return getUserMediaTracksAndStreams(2)
    .then(t.step_func(([tracks, streams]) => {
      const sender = caller.addTrack(tracks[0], streams[0]);
      caller.removeTrack(sender);
      // replaceTrack() should fail because the sender should be inactive after
      // removeTrack().
      return sender.replaceTrack(tracks[1])
      .then(t.step_func(() => {
        assert_unreached('Expected replaceTrack() to be rejected with ' +
                         expectedException + ' but the promise was resolved.');
      }),
      t.step_func(e => {
        assert_equals(e.name, expectedException);
        t.done();
      }));
    }))
    .catch(t.step_func(reason => {
      assert_unreached(reason);
    }));
  }, 'replaceTrack() rejects when invoked after removeTrack().');

  async_test(t => {
    const expectedException = 'InvalidModificationError';
    const caller = new RTCPeerConnection();
    return getUserMediaTracksAndStreams(2)
    .then(t.step_func(([tracks, streams]) => {
      const sender = caller.addTrack(tracks[0], streams[0]);
      let p = sender.replaceTrack(tracks[1])
      caller.removeTrack(sender);
      // replaceTrack() should fail because it executes steps in parallel and
      // queues a task to execute after removeTrack() has occurred. The sender
      // should be inactive. If this can be racy, update or remove the test.
      // https://github.com/w3c/webrtc-pc/issues/1728
      return p.then(t.step_func(() => {
        assert_unreached('Expected replaceTrack() to be rejected with ' +
                         expectedException + ' but the promise was resolved.');
      }),
      t.step_func(e => {
        assert_equals(e.name, expectedException);
        t.done();
      }));
    }))
    .catch(t.step_func(reason => {
      assert_unreached(reason);
    }));
  }, 'replaceTrack() rejects after a subsequent removeTrack().');

  // TODO(hbos): Verify that replaceTrack() changes what media is received on
  // the remote end of two connected peer connections. For video tracks, this
  // requires Chromium's video tag to update on receiving frames when running
  // content_shell. https://crbug.com/793808

</script>
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