81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
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/*
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* Copyright 2019 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "rtc_base/experiments/stable_target_rate_experiment.h"
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#include "test/field_trial.h"
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#include "test/gtest.h"
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namespace webrtc {
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TEST(StableBweExperimentTest, Default) {
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StableTargetRateExperiment config =
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StableTargetRateExperiment::ParseFromFieldTrials();
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EXPECT_FALSE(config.IsEnabled());
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EXPECT_FALSE(config.GetVideoHysteresisFactor());
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EXPECT_FALSE(config.GetScreenshareHysteresisFactor());
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}
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TEST(StableBweExperimentTest, EnabledNoHysteresis) {
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webrtc::test::ScopedFieldTrials field_trials(
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"WebRTC-StableTargetRate/enabled:true/");
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StableTargetRateExperiment config =
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StableTargetRateExperiment::ParseFromFieldTrials();
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EXPECT_TRUE(config.IsEnabled());
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EXPECT_FALSE(config.GetVideoHysteresisFactor());
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EXPECT_FALSE(config.GetScreenshareHysteresisFactor());
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}
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TEST(StableBweExperimentTest, EnabledWithHysteresis) {
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webrtc::test::ScopedFieldTrials field_trials(
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"WebRTC-StableTargetRate/"
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"enabled:true,"
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"video_hysteresis_factor:1.1,"
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"screenshare_hysteresis_factor:1.2/");
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StableTargetRateExperiment config =
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StableTargetRateExperiment::ParseFromFieldTrials();
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EXPECT_TRUE(config.IsEnabled());
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EXPECT_EQ(config.GetVideoHysteresisFactor(), 1.1);
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EXPECT_EQ(config.GetScreenshareHysteresisFactor(), 1.2);
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}
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TEST(StableBweExperimentTest, OnNoHysteresisPropagatesVideoRateHystersis) {
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webrtc::test::ScopedFieldTrials field_trials(
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"WebRTC-StableTargetRate/enabled:true/"
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"WebRTC-VideoRateControl/video_hysteresis:1.3,"
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"screenshare_hysteresis:1.4/");
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StableTargetRateExperiment config =
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StableTargetRateExperiment::ParseFromFieldTrials();
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EXPECT_TRUE(config.IsEnabled());
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EXPECT_EQ(config.GetVideoHysteresisFactor(), 1.3);
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EXPECT_EQ(config.GetScreenshareHysteresisFactor(), 1.4);
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}
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TEST(StableBweExperimentTest, HysteresisOverrideVideoRateHystersis) {
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webrtc::test::ScopedFieldTrials field_trials(
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"WebRTC-StableTargetRate/"
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"enabled:true,"
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"video_hysteresis_factor:1.1,"
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"screenshare_hysteresis_factor:1.2/"
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"WebRTC-VideoRateControl/video_hysteresis:1.3,"
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"screenshare_hysteresis:1.4/");
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StableTargetRateExperiment config =
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StableTargetRateExperiment::ParseFromFieldTrials();
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EXPECT_TRUE(config.IsEnabled());
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EXPECT_EQ(config.GetVideoHysteresisFactor(), 1.1);
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EXPECT_EQ(config.GetScreenshareHysteresisFactor(), 1.2);
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}
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} // namespace webrtc
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