Move BWE period calculation from ProbingIntervalEstimator to AimdRateControl.

webrtc/modules/congestion_controller/probing_interval_estimator_unittest.cc

Index: webrtc/modules/congestion_controller/probing_interval_estimator_unittest.cc
diff --git a/webrtc/modules/congestion_controller/probing_interval_estimator_unittest.cc b/webrtc/modules/congestion_controller/probing_interval_estimator_unittest.cc
deleted file mode 100644
index bf10718860fab5a8d1a3526e5ef4d1c935eb0de4..0000000000000000000000000000000000000000
--- a/webrtc/modules/congestion_controller/probing_interval_estimator_unittest.cc
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include <memory>
-#include <utility>
-
-#include "webrtc/modules/congestion_controller/probing_interval_estimator.h"
-#include "webrtc/modules/remote_bitrate_estimator/include/mock/mock_aimd_rate_control.h"
-#include "webrtc/test/gmock.h"
-#include "webrtc/test/gtest.h"
-
-using ::testing::Return;
-
-namespace webrtc {
-
-namespace {
-
-constexpr int kMinIntervalMs = 2000;
-constexpr int kMaxIntervalMs = 50000;
-constexpr int kDefaultIntervalMs = 3000;
-
-struct ProbingIntervalEstimatorStates {
-  std::unique_ptr<ProbingIntervalEstimator> probing_interval_estimator;
-  std::unique_ptr<MockAimdRateControl> aimd_rate_control;
-};
-
-ProbingIntervalEstimatorStates CreateProbingIntervalEstimatorStates() {
-  ProbingIntervalEstimatorStates states;
-  states.aimd_rate_control.reset(new MockAimdRateControl());
-  states.probing_interval_estimator.reset(new ProbingIntervalEstimator(
-      kMinIntervalMs, kMaxIntervalMs, kDefaultIntervalMs,
-      states.aimd_rate_control.get()));
-  return states;
-}
-}  // namespace
-
-TEST(ProbingIntervalEstimatorTest, DefaultIntervalUntillWeHaveDrop) {
-  auto states = CreateProbingIntervalEstimatorStates();
-
-  EXPECT_CALL(*states.aimd_rate_control, GetLastBitrateDecreaseBps())
-      .WillOnce(Return(rtc::Optional<int>()))
-      .WillOnce(Return(rtc::Optional<int>(5000)));
-  EXPECT_CALL(*states.aimd_rate_control, GetNearMaxIncreaseRateBps())
-      .WillOnce(Return(4000))
-      .WillOnce(Return(4000));
-
-  EXPECT_EQ(kDefaultIntervalMs,
-            states.probing_interval_estimator->GetIntervalMs());
-  EXPECT_NE(kDefaultIntervalMs,
-            states.probing_interval_estimator->GetIntervalMs());
-}
-
-TEST(ProbingIntervalEstimatorTest, CalcInterval) {
-  auto states = CreateProbingIntervalEstimatorStates();
-  EXPECT_CALL(*states.aimd_rate_control, GetLastBitrateDecreaseBps())
-      .WillOnce(Return(rtc::Optional<int>(20000)));
-  EXPECT_CALL(*states.aimd_rate_control, GetNearMaxIncreaseRateBps())
-      .WillOnce(Return(5000));
-  EXPECT_EQ(4000, states.probing_interval_estimator->GetIntervalMs());
-}
-
-TEST(ProbingIntervalEstimatorTest, IntervalDoesNotExceedMin) {
-  auto states = CreateProbingIntervalEstimatorStates();
-  EXPECT_CALL(*states.aimd_rate_control, GetLastBitrateDecreaseBps())
-      .WillOnce(Return(rtc::Optional<int>(1000)));
-  EXPECT_CALL(*states.aimd_rate_control, GetNearMaxIncreaseRateBps())
-      .WillOnce(Return(5000));
-  EXPECT_EQ(kMinIntervalMs, states.probing_interval_estimator->GetIntervalMs());
-}
-
-TEST(ProbingIntervalEstimatorTest, IntervalDoesNotExceedMax) {
-  auto states = CreateProbingIntervalEstimatorStates();
-  EXPECT_CALL(*states.aimd_rate_control, GetLastBitrateDecreaseBps())
-      .WillOnce(Return(rtc::Optional<int>(50000)));
-  EXPECT_CALL(*states.aimd_rate_control, GetNearMaxIncreaseRateBps())
-      .WillOnce(Return(100));
-  EXPECT_EQ(kMaxIntervalMs, states.probing_interval_estimator->GetIntervalMs());
-}
-}  // namespace webrtc