CongestionController::SetBweBitrates may now trigger probing.

webrtc/modules/pacing/paced_sender_unittest.cc

 /*
  *  Copyright (c) 2012 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 92 matching lines @@
   int packets_sent_;
   Clock* clock_;
 };
 
 class PacedSenderTest : public ::testing::Test {
  protected:
   PacedSenderTest() : clock_(123456) {
     srand(0);
     // Need to initialize PacedSender after we initialize clock.
     send_bucket_.reset(new PacedSender(&clock_, &callback_));
+    send_bucket_->CreateProbeCluster(900000, 6);
+    send_bucket_->CreateProbeCluster(1800000, 5);
     // Default to bitrate probing disabled for testing purposes. Probing tests
     // have to enable probing, either by creating a new PacedSender instance or
     // by calling SetProbingEnabled(true).
     send_bucket_->SetProbingEnabled(false);
     send_bucket_->SetEstimatedBitrate(kTargetBitrateBps);
 
     clock_.AdvanceTimeMilliseconds(send_bucket_->TimeUntilNextProcess());
   }
 
   void SendAndExpectPacket(PacedSender::Priority priority,
@@ skipping 684 matching lines @@
   const size_t kPacketSize = 1200;
   const int kInitialBitrateBps = 300000;
   uint32_t ssrc = 12346;
   uint16_t sequence_number = 1234;
 
   const int expected_deltas[kNumDeltas] = {10, 10, 10, 10, 10, 5, 5, 5, 5, 5};
   std::list<int> expected_deltas_list(expected_deltas,
                                       expected_deltas + kNumDeltas);
   PacedSenderProbing callback(expected_deltas_list, &clock_);
   send_bucket_.reset(new PacedSender(&clock_, &callback));
+  send_bucket_->CreateProbeCluster(900000, 6);
+  send_bucket_->CreateProbeCluster(1800000, 5);
   send_bucket_->SetEstimatedBitrate(kInitialBitrateBps);
 
   for (int i = 0; i < kNumPackets; ++i) {
     send_bucket_->InsertPacket(PacedSender::kNormalPriority, ssrc,
                                sequence_number++, clock_.TimeInMilliseconds(),
                                kPacketSize, false);
   }
 
   while (callback.packets_sent() < kNumPackets) {
     int time_until_process = send_bucket_->TimeUntilNextProcess();
@@ skipping 10 matching lines @@
   const int kNumDeltas = kNumPackets - 1;
   const size_t kPacketSize = 1200;
   const int kInitialBitrateBps = 300000;
   uint32_t ssrc = 12346;
   uint16_t sequence_number = 1234;
   const int expected_deltas[kNumDeltas] = {10, 10, 10, 10, 10, 5, 5, 5, 5, 5};
   std::list<int> expected_deltas_list(expected_deltas,
                                       expected_deltas + kNumDeltas);
   PacedSenderProbing callback(expected_deltas_list, &clock_);
   send_bucket_.reset(new PacedSender(&clock_, &callback));
+  send_bucket_->CreateProbeCluster(900000, 6);
+  send_bucket_->CreateProbeCluster(1800000, 5);
   send_bucket_->SetEstimatedBitrate(kInitialBitrateBps);
 
   for (int i = 0; i < kNumPackets - 5; ++i) {
     send_bucket_->InsertPacket(PacedSender::kNormalPriority, ssrc,
                                sequence_number++, clock_.TimeInMilliseconds(),
                                kPacketSize, false);
   }
   while (callback.packets_sent() < kNumPackets) {
     int time_until_process = send_bucket_->TimeUntilNextProcess();
     if (time_until_process <= 0) {
@@ skipping 165 matching lines @@
 
   // No more probing packets.
   EXPECT_CALL(callback_, TimeToSendPadding(_, PacketInfo::kNotAProbe))
         .Times(1)
         .WillRepeatedly(Return(500));
   send_bucket_->Process();
 }
 
 }  // namespace test
 }  // namespace webrtc