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<!DOCTYPE html>
<meta charset="utf-8">
<title>RTCRtpEncodingParameters adaptivePtime property</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
  'use strict';

  promise_test(async t => {
    const pc = new RTCPeerConnection();
    t.add_cleanup(() => pc.close());
    const { sender } = pc.addTransceiver('audio', {
      sendEncodings: [{adaptivePtime: true}],
    });

    let param = sender.getParameters();
    let encoding = param.encodings[0];

    assert_true(encoding.adaptivePtime);

    encoding.adaptivePtime = false;
    await sender.setParameters(param);
    param = sender.getParameters();
    encoding = param.encodings[0];

    assert_false(encoding.adaptivePtime);

  }, `Setting adaptivePtime should be accepted`);

  promise_test(async t => {
    const pc = new RTCPeerConnection();
    t.add_cleanup(() => pc.close());
    const { sender } = pc.addTransceiver('audio', { sendEncodings: [{}] });

    const param = sender.getParameters();
    const encoding = param.encodings[0];

    assert_false(encoding.adaptivePtime);

  }, `adaptivePtime should be default false`);

</script>