Move shared files in net/quic/ into net/quic/core/

net/quic/quic_sustained_bandwidth_recorder_test.cc

-// 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