Reland "Remove ViEEncoder::SetNetworkStatus"

webrtc/modules/video_coding/video_sender_unittest.cc

 /*
  *  Copyright (c) 2013 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. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 274 matching lines @@
   ExpectIntraRequest(2);
   AddFrame();
   ExpectIntraRequest(-1);
   AddFrame();
 
   EXPECT_EQ(-1, sender_->IntraFrameRequest(3));
   ExpectIntraRequest(-1);
   AddFrame();
 }
 
+TEST_F(TestVideoSenderWithMockEncoder, TestSetRate) {
+  const uint32_t new_bitrate = settings_.startBitrate + 300;
+  EXPECT_CALL(encoder_, SetRates(new_bitrate, _)).Times(1).WillOnce(Return(0));
+  sender_->SetChannelParameters(new_bitrate * 1000, 0, 200);
+  AddFrame();
+
+  // Expect no call to encoder_.SetRates if the new bitrate is zero.
+  EXPECT_CALL(encoder_, SetRates(new_bitrate, _)).Times(0);
+  sender_->SetChannelParameters(0, 0, 200);
+  AddFrame();
+}
+
 TEST_F(TestVideoSenderWithMockEncoder, TestIntraRequestsInternalCapture) {
   // De-register current external encoder.
   sender_->RegisterExternalEncoder(nullptr, kUnusedPayloadType, false);
   // Register encoder with internal capture.
   sender_->RegisterExternalEncoder(&encoder_, kUnusedPayloadType, true);
   EXPECT_EQ(0, sender_->RegisterSendCodec(&settings_, 1, 1200));
   // Initial request should be all keyframes.
   ExpectInitialKeyFrames();
   AddFrame();
   ExpectIntraRequest(0);
@@ skipping 190 matching lines @@
   }
   {
     // TODO(andresp): Find out why this fails with framerate = 7.5
     Vp8StreamInfo expected = {{7.0, 7.0, 7.0}, {high_b, high_b, high_b}};
     EXPECT_THAT(SimulateWithFramerate(7.0), MatchesVp8StreamInfo(expected));
   }
 }
 }  // namespace
 }  // namespace vcm
 }  // namespace webrtc