| <!doctype html> |
| <meta charset=utf-8> |
| <title>RTCPeerConnection onsignalingstatechanged</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="RTCPeerConnection-helper.js"></script> |
| <script> |
| |
| promise_test(async t => { |
| const [track] = (await navigator.mediaDevices.getUserMedia({video: true})).getTracks(); |
| t.add_cleanup(() => track.stop()); |
| const pc1 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc1.close()); |
| const pc2 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc2.close()); |
| pc1.addTrack(track, new MediaStream()); |
| await pc1.setLocalDescription(await pc1.createOffer()); |
| await pc2.setRemoteDescription(pc1.localDescription); |
| const signalingStateChangeResolver = new Resolver(); |
| pc2.onsignalingstatechange = t.step_func(e => { |
| const transceiver = pc2.getTransceivers()[0]; |
| assert_equals(pc2.signalingState, "stable"); |
| assert_equals(transceiver.currentDirection, "recvonly"); |
| signalingStateChangeResolver.resolve(); |
| }); |
| await pc2.setLocalDescription(await pc2.createAnswer()); |
| await signalingStateChangeResolver; |
| }); |
| |
| </script> |
