blob: 81e3b736432d2c80d617ca2c05ef072e901d0283 [file] [log] [blame]
<!doctype html>
<meta charset=utf-8>
<title>RTCPeerConnection addTrack does not deadlock</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="RTCPeerConnection-helper.js"></script>
'use strict';
// This test sets up two peer connections using a sequence of operations
// that triggered a deadlock in Chrome. See
// If a deadlock is introduced again, this test times out.
promise_test(async t => {
const pc1 = new RTCPeerConnection();
t.add_cleanup(() => pc1.close());
const stream = await getNoiseStream(
{audio: false, video: true});
t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
const videoTrack = stream.getVideoTracks()[0];
pc1.addTrack(videoTrack, stream);
const offer = await pc1.createOffer();
await pc1.setLocalDescription(offer);
const pc2 = new RTCPeerConnection();
t.add_cleanup(() => pc2.close());
const srdPromise = pc2.setRemoteDescription(offer);
pc2.addTrack(videoTrack, stream);
// The deadlock encountered in occured here.
await srdPromise;
await pc2.createAnswer();
}, 'RTCPeerConnection addTrack does not deadlock.');