chromium/third_party/blink/web_tests/fast/peerconnection/issue-12719.html

<html>
<head>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
</head>
<body>
<script>

promise_test(async t => {
  // This should not crash.
  const pc = new RTCPeerConnection();
  pc.addTransceiver('audio', { sendEncodings: [ {rid:'1'}, {rid:'2'} ] });
  await pc.setLocalDescription();
  assert_equals(pc.getSenders()[0].getParameters().encodings.length, 1);
}, 'Multiple encodings for audio does not crash, and results in one encoding');
</script>
</body>
</html>