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<!doctype html>
<meta charset=utf-8>
<title>No RTCRtpStreamStats should exist prior to RTP/RTCP packet flow</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../webrtc/RTCPeerConnection-helper.js"></script>
<script>
'use strict';
promise_test(async (test) => {
const localPc = createPeerConnectionWithCleanup(test);
const remotePc = createPeerConnectionWithCleanup(test);
localPc.addTransceiver("audio");
localPc.addTransceiver("video");
await exchangeOfferAndListenToOntrack(test, localPc, remotePc);
const report = await remotePc.getStats();
const rtp = [...report.values()].filter(({type}) => type.endsWith("rtp"));
assert_equals(rtp.length, 0, "no rtp stats with only remote description");
}, "No RTCRtpStreamStats exist when only remote description is set");
promise_test(async (test) => {
const localPc = createPeerConnectionWithCleanup(test);
const remotePc = createPeerConnectionWithCleanup(test);
localPc.addTrack(...await createTrackAndStreamWithCleanup(test, "audio"));
localPc.addTrack(...await createTrackAndStreamWithCleanup(test, "video"));
await exchangeOfferAndListenToOntrack(test, localPc, remotePc);
const report = await localPc.getStats();
const rtp = [...report.values()].filter(({type}) => type.endsWith("rtp"));
assert_equals(rtp.length, 0, "no rtp stats with only local description");
}, "No RTCRtpStreamStats exist when only local description is set");
promise_test(async (test) => {
const localPc = createPeerConnectionWithCleanup(test);
const remotePc = createPeerConnectionWithCleanup(test);
localPc.addTrack(...await createTrackAndStreamWithCleanup(test, "audio"));
localPc.addTrack(...await createTrackAndStreamWithCleanup(test, "video"));
exchangeIceCandidates(localPc, remotePc);
await exchangeOfferAnswer(localPc, remotePc);
const start = performance.now();
while (true) {
const report = await localPc.getStats();
const outbound =
[...report.values()].filter(({type}) => type == "outbound-rtp");
assert_true(outbound.every(({packetsSent}) => packetsSent > 0),
"no outbound rtp stats before packets sent");
if (outbound.length == 2) {
// One outbound stat for each track is present. We're done.
break;
}
if (performance.now() > start + 5000) {
assert_unreached("outbound stats should become available");
}
await new Promise(r => test.step_timeout(r, 100));
}
}, "No RTCOutboundRtpStreamStats exist until packets have been sent");
promise_test(async (test) => {
const localPc = createPeerConnectionWithCleanup(test);
const remotePc = createPeerConnectionWithCleanup(test);
localPc.addTrack(...await createTrackAndStreamWithCleanup(test, "audio"));
localPc.addTrack(...await createTrackAndStreamWithCleanup(test, "video"));
exchangeIceCandidates(localPc, remotePc);
await exchangeOfferAnswer(localPc, remotePc);
const start = performance.now();
while (true) {
const report = await remotePc.getStats();
const inbound =
[...report.values()].filter(({type}) => type == "inbound-rtp");
assert_true(inbound.every(({packetsReceived}) => packetsReceived > 0),
"no inbound rtp stats before packets received");
if (inbound.length == 2) {
// One inbound stat for each track is present. We're done.
break;
}
if (performance.now() > start + 5000) {
assert_unreached("inbound stats should become available");
}
await new Promise(r => test.step_timeout(r, 100));
}
}, "No RTCInboundRtpStreamStats exist until packets have been received");
</script>
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