<!doctype html>
<meta charset=utf-8>
<title>RTCRtpParameters encodings</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/webrtc/dictionary-helper.js"></script>
<script src="/webrtc/RTCRtpParameters-helper.js"></script>
<script>
'use strict';

test(function(t) {
  const pc = new RTCPeerConnection();
  t.add_cleanup(() => pc.close());
  assert_throws_js(RangeError, () => pc.addTransceiver('video', {
    sendEncodings: [{
      maxFramerate: -10
    }]
  }));
}, `addTransceiver() with sendEncoding.maxFramerate field set to less than 0 should reject with RangeError`);

promise_test(async t => {
  const pc = new RTCPeerConnection();
  t.add_cleanup(() => pc.close());
  const { sender } = pc.addTransceiver('video');
  await doOfferAnswerExchange(t, pc);

  const param = sender.getParameters();
  validateSenderRtpParameters(param);
  const encoding = getFirstEncoding(param);

  encoding.maxFramerate = -10;
  return promise_rejects_js(t, RangeError,
    sender.setParameters(param));
}, `setParameters() with encoding.maxFramerate field set to less than 0 should reject with RangeError`);

test_modified_encoding('video', 'maxFramerate', 24, 16,
  'setParameters() with modified encoding.maxFramerate should succeed');

</script>