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/*
* Copyright 2019 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 "rtc_base/experiments/stable_target_rate_experiment.h"
#include "test/field_trial.h"
#include "test/gtest.h"
namespace webrtc {
TEST(StableBweExperimentTest, Default) {
StableTargetRateExperiment config =
StableTargetRateExperiment::ParseFromFieldTrials();
EXPECT_FALSE(config.IsEnabled());
EXPECT_EQ(config.GetVideoHysteresisFactor(), 1.2);
EXPECT_EQ(config.GetScreenshareHysteresisFactor(), 1.35);
}
TEST(StableBweExperimentTest, EnabledNoHysteresis) {
webrtc::test::ScopedFieldTrials field_trials(
"WebRTC-StableTargetRate/enabled:true/");
StableTargetRateExperiment config =
StableTargetRateExperiment::ParseFromFieldTrials();
EXPECT_TRUE(config.IsEnabled());
EXPECT_EQ(config.GetVideoHysteresisFactor(), 1.2);
EXPECT_EQ(config.GetScreenshareHysteresisFactor(), 1.35);
}
TEST(StableBweExperimentTest, EnabledWithHysteresis) {
webrtc::test::ScopedFieldTrials field_trials(
"WebRTC-StableTargetRate/"
"enabled:true,"
"video_hysteresis_factor:1.1,"
"screenshare_hysteresis_factor:1.2/");
StableTargetRateExperiment config =
StableTargetRateExperiment::ParseFromFieldTrials();
EXPECT_TRUE(config.IsEnabled());
EXPECT_EQ(config.GetVideoHysteresisFactor(), 1.1);
EXPECT_EQ(config.GetScreenshareHysteresisFactor(), 1.2);
}
TEST(StableBweExperimentTest, HysteresisOverrideVideoRateHystersis) {
webrtc::test::ScopedFieldTrials field_trials(
"WebRTC-StableTargetRate/"
"enabled:true,"
"video_hysteresis_factor:1.1,"
"screenshare_hysteresis_factor:1.2/"
"WebRTC-VideoRateControl/video_hysteresis:1.3,"
"screenshare_hysteresis:1.4/");
StableTargetRateExperiment config =
StableTargetRateExperiment::ParseFromFieldTrials();
EXPECT_TRUE(config.IsEnabled());
EXPECT_EQ(config.GetVideoHysteresisFactor(), 1.1);
EXPECT_EQ(config.GetScreenshareHysteresisFactor(), 1.2);
}
} // namespace webrtc
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