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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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/stl_util.h" | 8 #include "base/stl_util.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/time_loss_algorithm.h" | 10 #include "net/quic/congestion_control/time_loss_algorithm.h" |
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28 rtt_stats_.UpdateRtt(QuicTime::Delta::FromMilliseconds(100), | 28 rtt_stats_.UpdateRtt(QuicTime::Delta::FromMilliseconds(100), |
29 QuicTime::Delta::Zero(), | 29 QuicTime::Delta::Zero(), |
30 clock_.Now()); | 30 clock_.Now()); |
31 } | 31 } |
32 | 32 |
33 ~TimeLossAlgorithmTest() override { | 33 ~TimeLossAlgorithmTest() override { |
34 STLDeleteElements(&packets_); | 34 STLDeleteElements(&packets_); |
35 } | 35 } |
36 | 36 |
37 void SendDataPacket(QuicPacketSequenceNumber sequence_number) { | 37 void SendDataPacket(QuicPacketSequenceNumber sequence_number) { |
38 packets_.push_back(QuicPacket::NewDataPacket( | 38 packets_.push_back(new QuicEncryptedPacket(nullptr, kDefaultLength)); |
39 nullptr, kDefaultLength, false, PACKET_8BYTE_CONNECTION_ID, false, | |
40 PACKET_1BYTE_SEQUENCE_NUMBER)); | |
41 SerializedPacket packet(sequence_number, PACKET_1BYTE_SEQUENCE_NUMBER, | 39 SerializedPacket packet(sequence_number, PACKET_1BYTE_SEQUENCE_NUMBER, |
42 packets_.back(), 0, new RetransmittableFrames()); | 40 packets_.back(), 0, new RetransmittableFrames()); |
43 unacked_packets_.AddSentPacket(packet, 0, NOT_RETRANSMISSION, clock_.Now(), | 41 unacked_packets_.AddSentPacket(packet, 0, NOT_RETRANSMISSION, clock_.Now(), |
44 1000, true); | 42 1000, true); |
45 } | 43 } |
46 | 44 |
47 void VerifyLosses(QuicPacketSequenceNumber largest_observed, | 45 void VerifyLosses(QuicPacketSequenceNumber largest_observed, |
48 QuicPacketSequenceNumber* losses_expected, | 46 QuicPacketSequenceNumber* losses_expected, |
49 size_t num_losses) { | 47 size_t num_losses) { |
50 SequenceNumberSet lost_packets = | 48 SequenceNumberSet lost_packets = |
51 loss_algorithm_.DetectLostPackets( | 49 loss_algorithm_.DetectLostPackets( |
52 unacked_packets_, clock_.Now(), largest_observed, rtt_stats_); | 50 unacked_packets_, clock_.Now(), largest_observed, rtt_stats_); |
53 EXPECT_EQ(num_losses, lost_packets.size()); | 51 EXPECT_EQ(num_losses, lost_packets.size()); |
54 for (size_t i = 0; i < num_losses; ++i) { | 52 for (size_t i = 0; i < num_losses; ++i) { |
55 EXPECT_TRUE(ContainsKey(lost_packets, losses_expected[i])); | 53 EXPECT_TRUE(ContainsKey(lost_packets, losses_expected[i])); |
56 } | 54 } |
57 } | 55 } |
58 | 56 |
59 vector<QuicPacket*> packets_; | 57 vector<QuicEncryptedPacket*> packets_; |
60 QuicUnackedPacketMap unacked_packets_; | 58 QuicUnackedPacketMap unacked_packets_; |
61 TimeLossAlgorithm loss_algorithm_; | 59 TimeLossAlgorithm loss_algorithm_; |
62 RttStats rtt_stats_; | 60 RttStats rtt_stats_; |
63 MockClock clock_; | 61 MockClock clock_; |
64 }; | 62 }; |
65 | 63 |
66 TEST_F(TimeLossAlgorithmTest, NoLossFor500Nacks) { | 64 TEST_F(TimeLossAlgorithmTest, NoLossFor500Nacks) { |
67 const size_t kNumSentPackets = 5; | 65 const size_t kNumSentPackets = 5; |
68 // Transmit 5 packets. | 66 // Transmit 5 packets. |
69 for (size_t i = 1; i <= kNumSentPackets; ++i) { | 67 for (size_t i = 1; i <= kNumSentPackets; ++i) { |
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144 loss_algorithm_.GetLossTimeout().Subtract(clock_.Now())); | 142 loss_algorithm_.GetLossTimeout().Subtract(clock_.Now())); |
145 clock_.AdvanceTime(rtt_stats_.smoothed_rtt().Multiply(0.25)); | 143 clock_.AdvanceTime(rtt_stats_.smoothed_rtt().Multiply(0.25)); |
146 QuicPacketSequenceNumber lost[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9 }; | 144 QuicPacketSequenceNumber lost[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9 }; |
147 VerifyLosses(10, lost, arraysize(lost)); | 145 VerifyLosses(10, lost, arraysize(lost)); |
148 EXPECT_EQ(QuicTime::Zero(), loss_algorithm_.GetLossTimeout()); | 146 EXPECT_EQ(QuicTime::Zero(), loss_algorithm_.GetLossTimeout()); |
149 } | 147 } |
150 | 148 |
151 } // namespace | 149 } // namespace |
152 } // namespace test | 150 } // namespace test |
153 } // namespace net | 151 } // namespace net |
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