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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 { |
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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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