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Test Info:
<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="pc.js"></script>
<script type="application/javascript" src="iceTestUtils.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
createHTML({
bug: "1683934",
title: "RTCPeerConnection check codec negotiation failure"
});
function makeWeirdCodecs(sdp) {
return sdp
.replaceAll('VP8', 'VEEEEEEEEP8')
.replaceAll('VP9', 'VEEEEEEEEP9')
.replaceAll('H264', 'HERP264');
}
const tests = [
async function offererWeirdCodecs() {
const pc1 = new RTCPeerConnection();
const pc2 = new RTCPeerConnection();
const stream = await navigator.mediaDevices.getUserMedia({video: true});
pc1.addTrack(stream.getTracks()[0]);
pc2.addTrack(stream.getTracks()[0]);
const offer = await pc1.createOffer();
offer.sdp = makeWeirdCodecs(offer.sdp);
// It is not an error to receive an offer with no codecs we support
await pc2.setRemoteDescription(offer);
await pc2.setLocalDescription();
await wait(2000);
},
async function answererWeirdCodecs() {
const pc1 = new RTCPeerConnection();
const pc2 = new RTCPeerConnection();
const stream = await navigator.mediaDevices.getUserMedia({video: true});
pc1.addTrack(stream.getTracks()[0]);
pc2.addTrack(stream.getTracks()[0]);
await pc1.setLocalDescription();
await pc2.setRemoteDescription(pc1.localDescription);
const answer = await pc2.createAnswer();
answer.sdp = makeWeirdCodecs(answer.sdp);
try {
await pc1.setRemoteDescription(answer);
ok(false, "Should have thrown");
} catch (e) {
ok(true, "Should have thrown");
}
},
async function reoffererWeirdCodecs() {
const pc1 = new RTCPeerConnection();
const pc2 = new RTCPeerConnection();
const stream = await navigator.mediaDevices.getUserMedia({video: true});
pc1.addTrack(stream.getTracks()[0]);
pc2.addTrack(stream.getTracks()[0]);
await connect(pc1, pc2, 32000, "Initial connection");
const offer = await pc1.createOffer();
offer.sdp = makeWeirdCodecs(offer.sdp);
// It is not an error to receive an offer with no codecs we support
await pc2.setRemoteDescription(offer);
await pc2.setLocalDescription();
await wait(2000);
},
async function reanswererWeirdCodecs() {
const pc1 = new RTCPeerConnection();
const pc2 = new RTCPeerConnection();
const stream = await navigator.mediaDevices.getUserMedia({video: true});
pc1.addTrack(stream.getTracks()[0]);
pc2.addTrack(stream.getTracks()[0]);
await connect(pc1, pc2, 32000, "Initial connection");
await pc1.setLocalDescription();
await pc2.setRemoteDescription(pc1.localDescription);
const answer = await pc2.createAnswer();
answer.sdp = makeWeirdCodecs(answer.sdp);
try {
await pc1.setRemoteDescription(answer);
ok(false, "Should have thrown");
} catch (e) {
ok(true, "Should have thrown");
}
},
];
runNetworkTest(async () => {
for (const test of tests) {
info(`Running test: ${test.name}`);
await test();
info(`Done running test: ${test.name}`);
}
});
</script>
</pre>
</body>
</html>