<!DOCTYPE html>
<html>
<body>
<script src="../../resources/js-test.js"></script>
<script>
description("Tests that we do not crash when calling replaceTrack on a sender that outlives its RTCPeerConnection.");
let audioContext = new AudioContext();
let stream = audioContext.createMediaStreamDestination().stream;
let track = stream.getTracks()[0];
let connection = new RTCPeerConnection();
let sender = connection.addTrack(track);
connection = undefined;
gc();
sender.replaceTrack(undefined);
testPassed("Because there was no crash");
</script>
</body>
</html>