text: /*
   *  Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
   *
   *  Use of this source code is governed by a BSD-style license
   *  that can be found in the LICENSE file in the root of the source
   *  tree.
   */
   /* eslint-env node */
  'use strict';
  
  describe('negotiationneeded event', () => {
    let pc;
    beforeEach(() => {
      pc = new RTCPeerConnection();
    });
    afterEach(() => {
      pc.close();
    });
  
    it('does not fire when adding a track after ' +
       'setRemoteDescription', (done) => {
      const sdp = 'v=0\r\n' +
          'o=- 166855176514521964 2 IN IP4 127.0.0.1\r\n' +
          's=-\r\n' +
          't=0 0\r\n' +
          'a=msid-semantic:WMS *\r\n' +
          'm=audio 9 UDP/TLS/RTP/SAVPF 111\r\n' +
          'c=IN IP4 0.0.0.0\r\n' +
          'a=rtcp:9 IN IP4 0.0.0.0\r\n' +
          'a=ice-ufrag:someufrag\r\n' +
          'a=ice-pwd:somelongpwdwithenoughrandomness\r\n' +
          'a=fingerprint:sha-256 8C:71:B3:8D:A5:38:FD:8F:A4:2E:A2:65:6C:86:52' +
          ':BC:E0:6E:94:F2:9F:7C:4D:B5:DF:AF:AA:6F:44:90:8D:F4\r\n' +
          'a=setup:actpass\r\n' +
          'a=rtcp-mux\r\n' +
          'a=mid:mid1\r\n' +
          'a=sendonly\r\n' +
          'a=rtpmap:111 opus/48000/2\r\n' +
          'a=msid:stream1 track1\r\n' +
          'a=ssrc:1001 cname:some\r\n';
      var onnfired = false;
      pc.onnegotiationneeded = () => {
        onnfired = true;
      };
      pc.setRemoteDescription({type: 'offer', sdp})
      .then(() => navigator.mediaDevices.getUserMedia({audio: true}))
      .then((stream) => pc.addTrack(stream.getTracks()[0], stream))
      .then(() => {
        setTimeout(() => {
          expect(onnfired).to.equal(false);
          done();
        }, 0);
      });
    });
  });
  