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Unified Diff: net/quic/quic_sustained_bandwidth_recorder_test.cc

Issue 2193073003: Move shared files in net/quic/ into net/quic/core/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: io_thread_unittest.cc Created 4 years, 5 months ago
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Index: net/quic/quic_sustained_bandwidth_recorder_test.cc
diff --git a/net/quic/quic_sustained_bandwidth_recorder_test.cc b/net/quic/quic_sustained_bandwidth_recorder_test.cc
deleted file mode 100644
index c3699077dfa59b7a7c35c6884d81b4427b1dde6a..0000000000000000000000000000000000000000
--- a/net/quic/quic_sustained_bandwidth_recorder_test.cc
+++ /dev/null
@@ -1,131 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "net/quic/quic_sustained_bandwidth_recorder.h"
-
-#include "net/quic/quic_bandwidth.h"
-#include "net/quic/quic_time.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace net {
-namespace test {
-namespace {
-
-TEST(QuicSustainedBandwidthRecorderTest, BandwidthEstimates) {
- QuicSustainedBandwidthRecorder recorder;
- EXPECT_FALSE(recorder.HasEstimate());
-
- QuicTime estimate_time = QuicTime::Zero();
- QuicWallTime wall_time = QuicWallTime::Zero();
- QuicTime::Delta srtt = QuicTime::Delta::FromMilliseconds(150);
- const int kBandwidthBitsPerSecond = 12345678;
- QuicBandwidth bandwidth =
- QuicBandwidth::FromBitsPerSecond(kBandwidthBitsPerSecond);
-
- bool in_recovery = false;
- bool in_slow_start = false;
-
- // This triggers recording, but should not yield a valid estimate yet.
- recorder.RecordEstimate(in_recovery, in_slow_start, bandwidth, estimate_time,
- wall_time, srtt);
- EXPECT_FALSE(recorder.HasEstimate());
-
- // Send a second reading, again this should not result in a valid estimate,
- // as not enough time has passed.
- estimate_time = estimate_time + srtt;
- recorder.RecordEstimate(in_recovery, in_slow_start, bandwidth, estimate_time,
- wall_time, srtt);
- EXPECT_FALSE(recorder.HasEstimate());
-
- // Now 3 * kSRTT has elapsed since first recording, expect a valid estimate.
- estimate_time = estimate_time + srtt;
- estimate_time = estimate_time + srtt;
- recorder.RecordEstimate(in_recovery, in_slow_start, bandwidth, estimate_time,
- wall_time, srtt);
- EXPECT_TRUE(recorder.HasEstimate());
- EXPECT_EQ(recorder.BandwidthEstimate(), bandwidth);
- EXPECT_EQ(recorder.BandwidthEstimate(), recorder.MaxBandwidthEstimate());
-
- // Resetting, and sending a different estimate will only change output after
- // a further 3 * kSRTT has passed.
- QuicBandwidth second_bandwidth =
- QuicBandwidth::FromBitsPerSecond(2 * kBandwidthBitsPerSecond);
- // Reset the recorder by passing in a measurement while in recovery.
- in_recovery = true;
- recorder.RecordEstimate(in_recovery, in_slow_start, bandwidth, estimate_time,
- wall_time, srtt);
- in_recovery = false;
- recorder.RecordEstimate(in_recovery, in_slow_start, bandwidth, estimate_time,
- wall_time, srtt);
- EXPECT_EQ(recorder.BandwidthEstimate(), bandwidth);
-
- estimate_time = estimate_time + 3 * srtt;
- const int64_t kSeconds = 556677;
- QuicWallTime second_bandwidth_wall_time =
- QuicWallTime::FromUNIXSeconds(kSeconds);
- recorder.RecordEstimate(in_recovery, in_slow_start, second_bandwidth,
- estimate_time, second_bandwidth_wall_time, srtt);
- EXPECT_EQ(recorder.BandwidthEstimate(), second_bandwidth);
- EXPECT_EQ(recorder.BandwidthEstimate(), recorder.MaxBandwidthEstimate());
- EXPECT_EQ(recorder.MaxBandwidthTimestamp(), kSeconds);
-
- // Reset again, this time recording a lower bandwidth than before.
- QuicBandwidth third_bandwidth =
- QuicBandwidth::FromBitsPerSecond(0.5 * kBandwidthBitsPerSecond);
- // Reset the recorder by passing in an unreliable measurement.
- recorder.RecordEstimate(in_recovery, in_slow_start, third_bandwidth,
- estimate_time, wall_time, srtt);
- recorder.RecordEstimate(in_recovery, in_slow_start, third_bandwidth,
- estimate_time, wall_time, srtt);
- EXPECT_EQ(recorder.BandwidthEstimate(), third_bandwidth);
-
- estimate_time = estimate_time + 3 * srtt;
- recorder.RecordEstimate(in_recovery, in_slow_start, third_bandwidth,
- estimate_time, wall_time, srtt);
- EXPECT_EQ(recorder.BandwidthEstimate(), third_bandwidth);
-
- // Max bandwidth should not have changed.
- EXPECT_LT(third_bandwidth, second_bandwidth);
- EXPECT_EQ(recorder.MaxBandwidthEstimate(), second_bandwidth);
- EXPECT_EQ(recorder.MaxBandwidthTimestamp(), kSeconds);
-}
-
-TEST(QuicSustainedBandwidthRecorderTest, SlowStart) {
- // Verify that slow start status is correctly recorded.
- QuicSustainedBandwidthRecorder recorder;
- EXPECT_FALSE(recorder.HasEstimate());
-
- QuicTime estimate_time = QuicTime::Zero();
- QuicWallTime wall_time = QuicWallTime::Zero();
- QuicTime::Delta srtt = QuicTime::Delta::FromMilliseconds(150);
- const int kBandwidthBitsPerSecond = 12345678;
- QuicBandwidth bandwidth =
- QuicBandwidth::FromBitsPerSecond(kBandwidthBitsPerSecond);
-
- bool in_recovery = false;
- bool in_slow_start = true;
-
- // This triggers recording, but should not yield a valid estimate yet.
- recorder.RecordEstimate(in_recovery, in_slow_start, bandwidth, estimate_time,
- wall_time, srtt);
-
- // Now 3 * kSRTT has elapsed since first recording, expect a valid estimate.
- estimate_time = estimate_time + 3 * srtt;
- recorder.RecordEstimate(in_recovery, in_slow_start, bandwidth, estimate_time,
- wall_time, srtt);
- EXPECT_TRUE(recorder.HasEstimate());
- EXPECT_TRUE(recorder.EstimateRecordedDuringSlowStart());
-
- // Now send another estimate, this time not in slow start.
- estimate_time = estimate_time + 3 * srtt;
- in_slow_start = false;
- recorder.RecordEstimate(in_recovery, in_slow_start, bandwidth, estimate_time,
- wall_time, srtt);
- EXPECT_TRUE(recorder.HasEstimate());
- EXPECT_FALSE(recorder.EstimateRecordedDuringSlowStart());
-}
-
-} // namespace
-} // namespace test
-} // namespace net
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