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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "testing/gmock/include/gmock/gmock.h" | 11 #include "testing/gmock/include/gmock/gmock.h" |
12 #include "testing/gtest/include/gtest/gtest.h" | 12 #include "testing/gtest/include/gtest/gtest.h" |
13 #include "webrtc/call/mock/mock_rtc_event_log.h" | |
14 #include "webrtc/modules/pacing/mock/mock_paced_sender.h" | 13 #include "webrtc/modules/pacing/mock/mock_paced_sender.h" |
15 #include "webrtc/modules/congestion_controller/include/congestion_controller.h" | 14 #include "webrtc/modules/congestion_controller/include/congestion_controller.h" |
16 #include "webrtc/modules/congestion_controller/include/mock/mock_congestion_cont
roller.h" | 15 #include "webrtc/modules/congestion_controller/include/mock/mock_congestion_cont
roller.h" |
17 #include "webrtc/modules/remote_bitrate_estimator/include/mock/mock_remote_bitra
te_observer.h" | 16 #include "webrtc/modules/remote_bitrate_estimator/include/mock/mock_remote_bitra
te_observer.h" |
18 #include "webrtc/system_wrappers/include/clock.h" | 17 #include "webrtc/system_wrappers/include/clock.h" |
19 | 18 |
20 using testing::_; | 19 using testing::_; |
21 using testing::NiceMock; | 20 using testing::NiceMock; |
22 using testing::Return; | 21 using testing::Return; |
23 using testing::SaveArg; | 22 using testing::SaveArg; |
24 using testing::StrictMock; | 23 using testing::StrictMock; |
25 | 24 |
26 namespace webrtc { | 25 namespace webrtc { |
27 namespace test { | 26 namespace test { |
28 | 27 |
29 class CongestionControllerTest : public ::testing::Test { | 28 class CongestionControllerTest : public ::testing::Test { |
30 protected: | 29 protected: |
31 CongestionControllerTest() : clock_(123456) {} | 30 CongestionControllerTest() : clock_(123456) {} |
32 ~CongestionControllerTest() override {} | 31 ~CongestionControllerTest() override {} |
33 | 32 |
34 void SetUp() override { | 33 void SetUp() override { |
35 pacer_ = new NiceMock<MockPacedSender>(); | 34 pacer_ = new NiceMock<MockPacedSender>(); |
36 std::unique_ptr<PacedSender> pacer(pacer_); // Passes ownership. | 35 std::unique_ptr<PacedSender> pacer(pacer_); // Passes ownership. |
37 std::unique_ptr<PacketRouter> packet_router(new PacketRouter()); | 36 std::unique_ptr<PacketRouter> packet_router(new PacketRouter()); |
38 controller_.reset(new CongestionController( | 37 controller_.reset( |
39 &clock_, &observer_, &remote_bitrate_observer_, &event_log_, | 38 new CongestionController(&clock_, &observer_, &remote_bitrate_observer_, |
40 std::move(packet_router), std::move(pacer))); | 39 std::move(packet_router), std::move(pacer))); |
41 bandwidth_observer_.reset( | 40 bandwidth_observer_.reset( |
42 controller_->GetBitrateController()->CreateRtcpBandwidthObserver()); | 41 controller_->GetBitrateController()->CreateRtcpBandwidthObserver()); |
43 | 42 |
44 // Set the initial bitrate estimate and expect the |observer| and |pacer_| | 43 // Set the initial bitrate estimate and expect the |observer| and |pacer_| |
45 // to be updated. | 44 // to be updated. |
46 EXPECT_CALL(observer_, OnNetworkChanged(kInitialBitrateBps, _, _)); | 45 EXPECT_CALL(observer_, OnNetworkChanged(kInitialBitrateBps, _, _)); |
47 EXPECT_CALL(*pacer_, SetEstimatedBitrate(kInitialBitrateBps)); | 46 EXPECT_CALL(*pacer_, SetEstimatedBitrate(kInitialBitrateBps)); |
48 controller_->SetBweBitrates(0, kInitialBitrateBps, 5 * kInitialBitrateBps); | 47 controller_->SetBweBitrates(0, kInitialBitrateBps, 5 * kInitialBitrateBps); |
49 } | 48 } |
50 | 49 |
51 SimulatedClock clock_; | 50 SimulatedClock clock_; |
52 StrictMock<MockCongestionObserver> observer_; | 51 StrictMock<MockCongestionObserver> observer_; |
53 NiceMock<MockPacedSender>* pacer_; | 52 NiceMock<MockPacedSender>* pacer_; |
54 NiceMock<MockRemoteBitrateObserver> remote_bitrate_observer_; | 53 NiceMock<MockRemoteBitrateObserver> remote_bitrate_observer_; |
55 MockRtcEventLog event_log_; | |
56 std::unique_ptr<RtcpBandwidthObserver> bandwidth_observer_; | 54 std::unique_ptr<RtcpBandwidthObserver> bandwidth_observer_; |
57 std::unique_ptr<CongestionController> controller_; | 55 std::unique_ptr<CongestionController> controller_; |
58 const uint32_t kInitialBitrateBps = 60000; | 56 const uint32_t kInitialBitrateBps = 60000; |
59 }; | 57 }; |
60 | 58 |
61 TEST_F(CongestionControllerTest, OnNetworkChanged) { | 59 TEST_F(CongestionControllerTest, OnNetworkChanged) { |
62 // Test no change. | 60 // Test no change. |
63 clock_.AdvanceTimeMilliseconds(25); | 61 clock_.AdvanceTimeMilliseconds(25); |
64 controller_->Process(); | 62 controller_->Process(); |
65 | 63 |
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164 | 162 |
165 // Let the pacer not be full next time the controller checks. | 163 // Let the pacer not be full next time the controller checks. |
166 EXPECT_CALL(*pacer_, ExpectedQueueTimeMs()) | 164 EXPECT_CALL(*pacer_, ExpectedQueueTimeMs()) |
167 .WillOnce(Return(PacedSender::kMaxQueueLengthMs - 1)); | 165 .WillOnce(Return(PacedSender::kMaxQueueLengthMs - 1)); |
168 EXPECT_CALL(observer_, OnNetworkChanged(kInitialBitrateBps * 2, _, _)); | 166 EXPECT_CALL(observer_, OnNetworkChanged(kInitialBitrateBps * 2, _, _)); |
169 controller_->Process(); | 167 controller_->Process(); |
170 } | 168 } |
171 | 169 |
172 } // namespace test | 170 } // namespace test |
173 } // namespace webrtc | 171 } // namespace webrtc |
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