<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Testing replacing an audio track during a WebRTC call</title>
    <script src="../resources/testharness.js"></script>
    <script src="../resources/testharnessreport.js"></script>
    <script src ="routines.js"></script>
</head>
<body>
    <video id=video autoplay controls></video>
    <script>
var usesLowSampleRate = false;
promise_test(async (test) => {
    if (window.testRunner)
        testRunner.setUserMediaPermission(true);

    const localStream = await navigator.mediaDevices.getUserMedia({ audio: true });
    setInterval(() => {
        usesLowSampleRate = !usesLowSampleRate;
        const rate = usesLowSampleRate ? 44100 : 48000;
        localStream.getAudioTracks()[0].applyConstraints({sampleRate: rate});
    }, 200);
    const remoteStream = await new Promise((resolve, reject) => {
        createConnections((firstConnection) => {
            sender = firstConnection.addTrack(localStream.getAudioTracks()[0], localStream);
        }, (secondConnection) => {
            receivingConnection = secondConnection;
            secondConnection.ontrack = (trackEvent) => { resolve(trackEvent.streams[0]); };
        });
        setTimeout(() => reject("Test timed out"), 5000);
    });
    video.srcObject = remoteStream;

    await new Promise(resolve => setTimeout(resolve, 1000));
    localStream.getAudioTracks()[0].stop();
}, "Audio connection with track changing sample rate");
    </script>
</body>
</html>