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<meta charset=utf-8>
<meta name="timeout" content="long">
<title>RTCRtpSender.prototype.getStats</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="RTCPeerConnection-helper.js"></script>
<script>
  'use strict';

  promise_test(async t => {
    const caller = new RTCPeerConnection();
    t.add_cleanup(() => caller.close());
    const callee = new RTCPeerConnection();
    t.add_cleanup(() => callee.close());

    const stream = await getNoiseStream({audio:true});
    t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
    const [track] = stream.getTracks();
    const { sender } = caller.addTransceiver(track);

    exchangeIceCandidates(caller, callee);
    await exchangeOfferAnswer(caller, callee);
    const [ receiver ] = callee.getReceivers();
    await listenToConnected(callee);
    await waitForTrackUnmuted(receiver.track);
    const statsReport = await sender.getStats();
    assert_true(!![...statsReport.values()].find(({type}) => type === 'outbound-rtp'));
  }, 'sender.getStats() via addTransceiver should return stats report containing outbound-rtp stats');

  promise_test(async t => {
    const caller = new RTCPeerConnection();
    t.add_cleanup(() => caller.close());
    const callee = new RTCPeerConnection();
    t.add_cleanup(() => callee.close());
    const stream = await getNoiseStream({audio:true});
    t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
    const [track] = stream.getTracks();
    const sender = caller.addTrack(track, stream);

    exchangeIceCandidates(caller, callee);
    await exchangeOfferAnswer(caller, callee);
    const [ receiver ] = callee.getReceivers();
    await listenToConnected(callee);
    await waitForTrackUnmuted(receiver.track);
    const statsReport = await sender.getStats();
    assert_true(!![...statsReport.values()].find(({type}) => type === 'outbound-rtp'));
  }, 'sender.getStats() via addTrack should return stats report containing outbound-rtp stats');

  promise_test(async t => {
    const caller = new RTCPeerConnection();
    t.add_cleanup(() => caller.close());
    const callee = new RTCPeerConnection();
    t.add_cleanup(() => callee.close());
    const stream = await getNoiseStream({audio:true});
    t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
    const [track] = stream.getTracks();
    caller.addTrack(track, stream);

    exchangeIceCandidates(caller, callee);
    await exchangeOfferAnswer(caller, callee);
    const [ receiver ] = callee.getReceivers();
    await listenToConnected(callee);
    await waitForTrackUnmuted(receiver.track);

    const [sender] = caller.getSenders();
    const [transceiver] = caller.getTransceivers();
    const statsReportFirst = await sender.getStats();
    transceiver.stop();
    const statsReportSecond = await sender.getStats();
    assert_true(!![...statsReportFirst.values()].find(({type}) => type === 'outbound-rtp'));
    assert_false(!![...statsReportSecond.values()].find(({type}) => type === 'outbound-rtp'));
  }, 'sender.getStats() should work on a stopped transceiver but not have outbound-rtp stats');

  promise_test(async t => {
    const caller = new RTCPeerConnection();
    t.add_cleanup(() => caller.close());
    const callee = new RTCPeerConnection();
    t.add_cleanup(() => callee.close());
    const stream = await getNoiseStream({audio:true});
    t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
    const [track] = stream.getTracks();
    caller.addTrack(track, stream);

    exchangeIceCandidates(caller, callee);
    await exchangeOfferAnswer(caller, callee);
    const [ receiver ] = callee.getReceivers();
    await listenToConnected(callee);
    await waitForTrackUnmuted(receiver.track);
    const [sender] = caller.getSenders();
    const statsReportFirst = await sender.getStats();
    caller.close();
    const statsReportSecond = await sender.getStats();
    assert_true(!![...statsReportFirst.values()].find(({type}) => type === 'outbound-rtp'));
    assert_false(!![...statsReportSecond.values()].find(({type}) => type === 'outbound-rtp'));
  }, 'sender.getStats() should work with a closed PeerConnection but not have outbound-rtp objects');

  promise_test(async t => {
    const caller = new RTCPeerConnection();
    t.add_cleanup(() => caller.close());
    const callee = new RTCPeerConnection();
    t.add_cleanup(() => callee.close());
    const stream = await getNoiseStream({audio:true});
    t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
    const [track] = stream.getTracks();
    const { sender } = caller.addTransceiver(track);

    exchangeIceCandidates(caller, callee);
    await exchangeOfferAnswer(caller, callee);
    const [ receiver ] = callee.getReceivers();
    await listenToConnected(callee);
    await waitForTrackUnmuted(receiver.track);
    const statsReport = await sender.getStats();
    assert_true(!![...statsReport.values()].find(({type}) => type === 'candidate-pair'));
    assert_true(!![...statsReport.values()].find(({type}) => type === 'local-candidate'));
    assert_true(!![...statsReport.values()].find(({type}) => type === 'remote-candidate'));
  }, 'sender.getStats() should return stats report containing ICE candidate stats');

</script>