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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include <algorithm> | 5 #include <algorithm> |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
| 9 #include "net/quic/congestion_control/rtt_stats.h" | 9 #include "net/quic/congestion_control/rtt_stats.h" |
| 10 #include "net/quic/congestion_control/tcp_cubic_sender.h" | 10 #include "net/quic/congestion_control/tcp_cubic_sender.h" |
| 11 #include "net/quic/congestion_control/tcp_receiver.h" | |
| 12 #include "net/quic/crypto/crypto_protocol.h" | 11 #include "net/quic/crypto/crypto_protocol.h" |
| 12 #include "net/quic/quic_protocol.h" |
| 13 #include "net/quic/quic_utils.h" | 13 #include "net/quic/quic_utils.h" |
| 14 #include "net/quic/test_tools/mock_clock.h" | 14 #include "net/quic/test_tools/mock_clock.h" |
| 15 #include "net/quic/test_tools/quic_config_peer.h" | 15 #include "net/quic/test_tools/quic_config_peer.h" |
| 16 #include "testing/gtest/include/gtest/gtest.h" | 16 #include "testing/gtest/include/gtest/gtest.h" |
| 17 | 17 |
| 18 using std::make_pair; | 18 using std::make_pair; |
| 19 using std::min; | 19 using std::min; |
| 20 | 20 |
| 21 namespace net { | 21 namespace net { |
| 22 namespace test { | 22 namespace test { |
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| 58 RttStats rtt_stats_; | 58 RttStats rtt_stats_; |
| 59 QuicConnectionStats stats_; | 59 QuicConnectionStats stats_; |
| 60 }; | 60 }; |
| 61 | 61 |
| 62 class TcpCubicSenderTest : public ::testing::Test { | 62 class TcpCubicSenderTest : public ::testing::Test { |
| 63 protected: | 63 protected: |
| 64 TcpCubicSenderTest() | 64 TcpCubicSenderTest() |
| 65 : one_ms_(QuicTime::Delta::FromMilliseconds(1)), | 65 : one_ms_(QuicTime::Delta::FromMilliseconds(1)), |
| 66 sender_(new TcpCubicSenderPeer(&clock_, true, | 66 sender_(new TcpCubicSenderPeer(&clock_, true, |
| 67 kMaxTcpCongestionWindow)), | 67 kMaxTcpCongestionWindow)), |
| 68 receiver_(new TcpReceiver()), | |
| 69 sequence_number_(1), | 68 sequence_number_(1), |
| 70 acked_sequence_number_(0), | 69 acked_sequence_number_(0), |
| 71 bytes_in_flight_(0) { | 70 bytes_in_flight_(0) { |
| 72 standard_packet_.bytes_sent = kDefaultTCPMSS; | 71 standard_packet_.bytes_sent = kDefaultTCPMSS; |
| 73 } | 72 } |
| 74 | 73 |
| 75 int SendAvailableSendWindow() { | 74 int SendAvailableSendWindow() { |
| 76 // Send as long as TimeUntilSend returns Zero. | 75 // Send as long as TimeUntilSend returns Zero. |
| 77 int packets_sent = 0; | 76 int packets_sent = 0; |
| 78 bool can_send = sender_->TimeUntilSend( | 77 bool can_send = sender_->TimeUntilSend( |
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| 126 lost_packets.push_back( | 125 lost_packets.push_back( |
| 127 make_pair(sequence_number, standard_packet_)); | 126 make_pair(sequence_number, standard_packet_)); |
| 128 sender_->OnCongestionEvent( | 127 sender_->OnCongestionEvent( |
| 129 false, bytes_in_flight_, acked_packets, lost_packets); | 128 false, bytes_in_flight_, acked_packets, lost_packets); |
| 130 bytes_in_flight_ -= kDefaultTCPMSS; | 129 bytes_in_flight_ -= kDefaultTCPMSS; |
| 131 } | 130 } |
| 132 | 131 |
| 133 const QuicTime::Delta one_ms_; | 132 const QuicTime::Delta one_ms_; |
| 134 MockClock clock_; | 133 MockClock clock_; |
| 135 scoped_ptr<TcpCubicSenderPeer> sender_; | 134 scoped_ptr<TcpCubicSenderPeer> sender_; |
| 136 scoped_ptr<TcpReceiver> receiver_; | |
| 137 QuicPacketSequenceNumber sequence_number_; | 135 QuicPacketSequenceNumber sequence_number_; |
| 138 QuicPacketSequenceNumber acked_sequence_number_; | 136 QuicPacketSequenceNumber acked_sequence_number_; |
| 139 QuicByteCount bytes_in_flight_; | 137 QuicByteCount bytes_in_flight_; |
| 140 TransmissionInfo standard_packet_; | 138 TransmissionInfo standard_packet_; |
| 141 }; | 139 }; |
| 142 | 140 |
| 143 TEST_F(TcpCubicSenderTest, SimpleSender) { | 141 TEST_F(TcpCubicSenderTest, SimpleSender) { |
| 144 // At startup make sure we are at the default. | 142 // At startup make sure we are at the default. |
| 145 EXPECT_EQ(kDefaultWindowTCP, sender_->GetCongestionWindow()); | 143 EXPECT_EQ(kDefaultWindowTCP, sender_->GetCongestionWindow()); |
| 146 // At startup make sure we can send. | 144 // At startup make sure we can send. |
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| 756 | 754 |
| 757 cached_network_params.set_bandwidth_estimate_bytes_per_second( | 755 cached_network_params.set_bandwidth_estimate_bytes_per_second( |
| 758 (kMinCongestionWindowForBandwidthResumption - 1) * kMaxPacketSize); | 756 (kMinCongestionWindowForBandwidthResumption - 1) * kMaxPacketSize); |
| 759 EXPECT_TRUE(sender_->ResumeConnectionState(cached_network_params)); | 757 EXPECT_TRUE(sender_->ResumeConnectionState(cached_network_params)); |
| 760 EXPECT_EQ(kMinCongestionWindowForBandwidthResumption, | 758 EXPECT_EQ(kMinCongestionWindowForBandwidthResumption, |
| 761 sender_->congestion_window()); | 759 sender_->congestion_window()); |
| 762 } | 760 } |
| 763 | 761 |
| 764 } // namespace test | 762 } // namespace test |
| 765 } // namespace net | 763 } // namespace net |
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