1 /*
2 * Copyright 2019 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "rtc_base/experiments/stable_target_rate_experiment.h"
12
13 #include "test/field_trial.h"
14 #include "test/gtest.h"
15
16 namespace webrtc {
17
TEST(StableBweExperimentTest,Default)18 TEST(StableBweExperimentTest, Default) {
19 StableTargetRateExperiment config =
20 StableTargetRateExperiment::ParseFromFieldTrials();
21 EXPECT_FALSE(config.IsEnabled());
22 EXPECT_EQ(config.GetVideoHysteresisFactor(), 1.2);
23 EXPECT_EQ(config.GetScreenshareHysteresisFactor(), 1.35);
24 }
25
TEST(StableBweExperimentTest,EnabledNoHysteresis)26 TEST(StableBweExperimentTest, EnabledNoHysteresis) {
27 webrtc::test::ScopedFieldTrials field_trials(
28 "WebRTC-StableTargetRate/enabled:true/");
29
30 StableTargetRateExperiment config =
31 StableTargetRateExperiment::ParseFromFieldTrials();
32 EXPECT_TRUE(config.IsEnabled());
33 EXPECT_EQ(config.GetVideoHysteresisFactor(), 1.2);
34 EXPECT_EQ(config.GetScreenshareHysteresisFactor(), 1.35);
35 }
36
TEST(StableBweExperimentTest,EnabledWithHysteresis)37 TEST(StableBweExperimentTest, EnabledWithHysteresis) {
38 webrtc::test::ScopedFieldTrials field_trials(
39 "WebRTC-StableTargetRate/"
40 "enabled:true,"
41 "video_hysteresis_factor:1.1,"
42 "screenshare_hysteresis_factor:1.2/");
43
44 StableTargetRateExperiment config =
45 StableTargetRateExperiment::ParseFromFieldTrials();
46 EXPECT_TRUE(config.IsEnabled());
47 EXPECT_EQ(config.GetVideoHysteresisFactor(), 1.1);
48 EXPECT_EQ(config.GetScreenshareHysteresisFactor(), 1.2);
49 }
50
TEST(StableBweExperimentTest,HysteresisOverrideVideoRateHystersis)51 TEST(StableBweExperimentTest, HysteresisOverrideVideoRateHystersis) {
52 webrtc::test::ScopedFieldTrials field_trials(
53 "WebRTC-StableTargetRate/"
54 "enabled:true,"
55 "video_hysteresis_factor:1.1,"
56 "screenshare_hysteresis_factor:1.2/"
57 "WebRTC-VideoRateControl/video_hysteresis:1.3,"
58 "screenshare_hysteresis:1.4/");
59
60 StableTargetRateExperiment config =
61 StableTargetRateExperiment::ParseFromFieldTrials();
62 EXPECT_TRUE(config.IsEnabled());
63 EXPECT_EQ(config.GetVideoHysteresisFactor(), 1.1);
64 EXPECT_EQ(config.GetScreenshareHysteresisFactor(), 1.2);
65 }
66
67 } // namespace webrtc
68