Tweaked version of BBR for WebRTC.

webrtc/modules/remote_bitrate_estimator/test/estimators/min_rtt_filter_unittest.cc

 /*
  *  Copyright (c) 2017 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 "webrtc/modules/remote_bitrate_estimator/test/estimators/min_rtt_filter.h"
 
 #include "webrtc/test/gtest.h"
 
 namespace webrtc {
 namespace testing {
 namespace bwe {
 TEST(MinRttFilterTest, InitializationCheck) {
   MinRttFilter min_rtt_filter;
   EXPECT_FALSE(min_rtt_filter.min_rtt_ms());
-  EXPECT_EQ(min_rtt_filter.discovery_time(), 0);
 }
 
 TEST(MinRttFilterTest, AddRttSample) {
   MinRttFilter min_rtt_filter;
   min_rtt_filter.AddRttSample(120, 5);
-  EXPECT_EQ(min_rtt_filter.min_rtt_ms(), 120);
-  EXPECT_EQ(min_rtt_filter.discovery_time(), 5);
+  EXPECT_EQ(*min_rtt_filter.min_rtt_ms(), 120);
   min_rtt_filter.AddRttSample(121, 6);
-  EXPECT_EQ(min_rtt_filter.discovery_time(), 5);
   min_rtt_filter.AddRttSample(119, 7);
-  EXPECT_EQ(min_rtt_filter.discovery_time(), 7);
   min_rtt_filter.AddRttSample(140, 10007);
-  EXPECT_EQ(min_rtt_filter.discovery_time(), 10007);
-  EXPECT_EQ(min_rtt_filter.min_rtt_ms(), 140);
+  EXPECT_EQ(*min_rtt_filter.min_rtt_ms(), 119);
 }
 
 TEST(MinRttFilterTest, MinRttExpired) {
   MinRttFilter min_rtt_filter;
-  min_rtt_filter.AddRttSample(120, 5);
-  EXPECT_EQ(min_rtt_filter.MinRttExpired(10006), true);
-  EXPECT_EQ(min_rtt_filter.MinRttExpired(10), false);
+  for (int i = 1; i <= 25; i++)
+    min_rtt_filter.AddRttSample(i, i);
+  EXPECT_EQ(min_rtt_filter.MinRttExpired(25), true);
+  EXPECT_EQ(min_rtt_filter.MinRttExpired(24), false);
 }
 }  // namespace bwe
 }  // namespace testing
 }  // namespace webrtc