Remove ViEEncoder::SetNetworkStatus

webrtc/modules/congestion_controller/congestion_controller_unittest.cc

 /*
  *  Copyright (c) 2016 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 89 matching lines @@
 
   // Let the pacer not be full next time the controller checks.
   // |OnNetworkChanged| should be called with the new estimate.
   EXPECT_CALL(*pacer_, ExpectedQueueTimeMs())
       .WillOnce(Return(PacedSender::kMaxQueueLengthMs - 1));
   EXPECT_CALL(observer_, OnNetworkChanged(initial_bitrate_bps_ * 2, _, _));
   clock_.AdvanceTimeMilliseconds(25);
   controller_->Process();
 }
 
+TEST_F(CongestionControllerTest, SignalNetworkState) {
+  EXPECT_CALL(observer_, OnNetworkChanged(0, _, _));
+  controller_->SignalNetworkState(kNetworkDown);
+  controller_->Process();
+
+  EXPECT_CALL(observer_, OnNetworkChanged(initial_bitrate_bps_, _, _));
+  controller_->SignalNetworkState(kNetworkUp);
+  controller_->Process();
+
+  controller_->SignalNetworkState(kNetworkDown);
+  controller_->SignalNetworkState(kNetworkUp);
+  controller_->Process();
+
+  controller_->SignalNetworkState(kNetworkDown);
+  EXPECT_CALL(observer_, OnNetworkChanged(0, _, _));
+  controller_->Process();
+
+  controller_->SignalNetworkState(kNetworkUp);
+  controller_->SignalNetworkState(kNetworkDown);
+  controller_->Process();
+}
+
+TEST_F(CongestionControllerTest,
+       SignalNetworkStateAndQueueIsFullAndEstimateChange) {
+  EXPECT_CALL(*pacer_, ExpectedQueueTimeMs())
+      .WillRepeatedly(Return(PacedSender::kMaxQueueLengthMs + 1));
+  EXPECT_CALL(observer_, OnNetworkChanged(0, _, _));
+  controller_->Process();
+
+  // Queue is full and network is down. Expect no bitrate change.
+  controller_->SignalNetworkState(kNetworkDown);
+  controller_->Process();
+
+  // Queue is full but network is up. Expect no bitrate change.
+  controller_->SignalNetworkState(kNetworkUp);
+  controller_->Process();
+
+  // Receive new estimate but let the queue still be full.
+  bandwidth_observer_->OnReceivedEstimatedBitrate(initial_bitrate_bps_ * 2);
+  clock_.AdvanceTimeMilliseconds(25);
+  controller_->Process();
+
+  // Let the pacer not be full next time the controller checks.
+  EXPECT_CALL(*pacer_, ExpectedQueueTimeMs())
+      .WillOnce(Return(PacedSender::kMaxQueueLengthMs - 1));
+  EXPECT_CALL(observer_, OnNetworkChanged(initial_bitrate_bps_ * 2, _, _));
+  controller_->Process();
+}
+
 }  // namespace test
 }  // namespace webrtc