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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 "net/quic/congestion_control/rtt_stats.h" | 5 #include "net/quic/congestion_control/rtt_stats.h" |
| 6 | 6 |
| 7 #include <vector> | 7 #include <vector> |
| 8 | 8 |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "net/test/scoped_mock_log.h" | 10 #include "base/test/mock_log.h" |
| 11 #include "testing/gtest/include/gtest/gtest.h" | 11 #include "testing/gtest/include/gtest/gtest.h" |
| 12 | 12 |
| 13 using logging::LOG_WARNING; | 13 using logging::LOG_WARNING; |
| 14 using std::vector; | 14 using std::vector; |
| 15 using testing::HasSubstr; | 15 using testing::HasSubstr; |
| 16 using testing::Message; | 16 using testing::Message; |
| 17 using testing::_; | 17 using testing::_; |
| 18 | 18 |
| 19 namespace net { | 19 namespace net { |
| 20 namespace test { | 20 namespace test { |
| (...skipping 198 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 219 // Now go back down to 5ms and expire the smoothed metrics, and ensure the | 219 // Now go back down to 5ms and expire the smoothed metrics, and ensure the |
| 220 // mean deviation increases to 15ms. | 220 // mean deviation increases to 15ms. |
| 221 QuicTime::Delta half_rtt = initial_rtt.Multiply(0.5); | 221 QuicTime::Delta half_rtt = initial_rtt.Multiply(0.5); |
| 222 rtt_stats_.UpdateRtt(half_rtt, QuicTime::Delta::Zero(), QuicTime::Zero()); | 222 rtt_stats_.UpdateRtt(half_rtt, QuicTime::Delta::Zero(), QuicTime::Zero()); |
| 223 EXPECT_GT(doubled_rtt, rtt_stats_.smoothed_rtt()); | 223 EXPECT_GT(doubled_rtt, rtt_stats_.smoothed_rtt()); |
| 224 EXPECT_LT(initial_rtt, rtt_stats_.mean_deviation()); | 224 EXPECT_LT(initial_rtt, rtt_stats_.mean_deviation()); |
| 225 } | 225 } |
| 226 | 226 |
| 227 TEST_F(RttStatsTest, UpdateRttWithBadSendDeltas) { | 227 TEST_F(RttStatsTest, UpdateRttWithBadSendDeltas) { |
| 228 // Make sure we ignore bad RTTs. | 228 // Make sure we ignore bad RTTs. |
| 229 ScopedMockLog log; | 229 base::test::MockLog log; |
| 230 | 230 |
| 231 QuicTime::Delta initial_rtt = QuicTime::Delta::FromMilliseconds(10); | 231 QuicTime::Delta initial_rtt = QuicTime::Delta::FromMilliseconds(10); |
| 232 rtt_stats_.UpdateRtt(initial_rtt, QuicTime::Delta::Zero(), QuicTime::Zero()); | 232 rtt_stats_.UpdateRtt(initial_rtt, QuicTime::Delta::Zero(), QuicTime::Zero()); |
| 233 EXPECT_EQ(initial_rtt, rtt_stats_.min_rtt()); | 233 EXPECT_EQ(initial_rtt, rtt_stats_.min_rtt()); |
| 234 EXPECT_EQ(initial_rtt, rtt_stats_.recent_min_rtt()); | 234 EXPECT_EQ(initial_rtt, rtt_stats_.recent_min_rtt()); |
| 235 EXPECT_EQ(initial_rtt, rtt_stats_.smoothed_rtt()); | 235 EXPECT_EQ(initial_rtt, rtt_stats_.smoothed_rtt()); |
| 236 | 236 |
| 237 vector<QuicTime::Delta> bad_send_deltas; | 237 vector<QuicTime::Delta> bad_send_deltas; |
| 238 bad_send_deltas.push_back(QuicTime::Delta::Zero()); | 238 bad_send_deltas.push_back(QuicTime::Delta::Zero()); |
| 239 bad_send_deltas.push_back(QuicTime::Delta::Infinite()); | 239 bad_send_deltas.push_back(QuicTime::Delta::Infinite()); |
| 240 bad_send_deltas.push_back(QuicTime::Delta::FromMicroseconds(-1000)); | 240 bad_send_deltas.push_back(QuicTime::Delta::FromMicroseconds(-1000)); |
| 241 log.StartCapturingLogs(); | 241 log.StartCapturingLogs(); |
| 242 | 242 |
| 243 for (QuicTime::Delta bad_send_delta : bad_send_deltas) { | 243 for (QuicTime::Delta bad_send_delta : bad_send_deltas) { |
| 244 SCOPED_TRACE(Message() << "bad_send_delta = " | 244 SCOPED_TRACE(Message() << "bad_send_delta = " |
| 245 << bad_send_delta.ToMicroseconds()); | 245 << bad_send_delta.ToMicroseconds()); |
| 246 EXPECT_CALL(log, Log(LOG_WARNING, _, _, _, HasSubstr("Ignoring"))); | 246 EXPECT_CALL(log, Log(LOG_WARNING, _, _, _, HasSubstr("Ignoring"))); |
| 247 rtt_stats_.UpdateRtt(bad_send_delta, | 247 rtt_stats_.UpdateRtt(bad_send_delta, |
| 248 QuicTime::Delta::Zero(), | 248 QuicTime::Delta::Zero(), |
| 249 QuicTime::Zero()); | 249 QuicTime::Zero()); |
| 250 EXPECT_EQ(initial_rtt, rtt_stats_.min_rtt()); | 250 EXPECT_EQ(initial_rtt, rtt_stats_.min_rtt()); |
| 251 EXPECT_EQ(initial_rtt, rtt_stats_.recent_min_rtt()); | 251 EXPECT_EQ(initial_rtt, rtt_stats_.recent_min_rtt()); |
| 252 EXPECT_EQ(initial_rtt, rtt_stats_.smoothed_rtt()); | 252 EXPECT_EQ(initial_rtt, rtt_stats_.smoothed_rtt()); |
| 253 } | 253 } |
| 254 } | 254 } |
| 255 | 255 |
| 256 } // namespace test | 256 } // namespace test |
| 257 } // namespace net | 257 } // namespace net |
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