LayoutTests/webrtc/disable-encryption.html

<!doctype html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Testing connection with and without encryption</title>
    <script src="../resources/testharness.js"></script>
    <script src="../resources/testharnessreport.js"></script>
  </head>
  <body>
    <video id="video" autoplay playsinline></video>
    <script src ="routines.js"></script>
    <script>
promise_test(async (test) => {
    if (window.internals)
        internals.setEnableWebRTCEncryption(false);
    const localStream = await navigator.mediaDevices.getUserMedia({video: true});

    video.srcObject = await new Promise((resolve, reject) => {
        createConnections((localConnection) => {
            localConnection.addTrack(localStream.getVideoTracks()[0], localStream);
        }, (remoteConnection) => {
            remoteConnection.ontrack = (event) => {
                resolve(event.streams[0]);
            };
        });
        setTimeout(() => { reject("Test timed out"); }, 5000);
    });

    await video.play();
}, "Basic data channel exchange without encryption");

promise_test(async (test) => {
    if (!window.internals)
        return Promise.rejects("Test needs internals");

    internals.setEnableWebRTCEncryption(false);
    const pc1 = new RTCPeerConnection();

    internals.setEnableWebRTCEncryption(true);
    const pc2 = new RTCPeerConnection();

    pc1.addTransceiver('audio');
    const offer = await pc1.createOffer();
    await pc1.setLocalDescription(offer);

    return promise_rejects(test, 'InvalidAccessError', pc2.setRemoteDescription(offer));
}, "Make sure a pc with encryption and a pc without encryption cannot talk");
    </script>
  </body>
</html>