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Add more unit tests for RateControlSettings.

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Bug: webrtc:10271
Change-Id: I882c1ebe8f99cc93331b30a2c0bd4ab48f8ed037
Reviewed-on: https://webrtc-review.googlesource.com/c/121400
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Rasmus Brandt <brandtr@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26564}
This commit is contained in:
Rasmus Brandt
2019-02-04 12:00:24 +01:00
committed by Commit Bot
parent 3b50f9f9ce
commit 57d4ac9d99
1 changed files with 94 additions and 20 deletions
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114
rtc_base/experiments/rate_control_settings_unittest.cc
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@ -19,35 +19,109 @@ namespace webrtc {
namespace {
TEST(RateControlSettingsTest, LibvpxTrustedRateController) {
test::ScopedFieldTrials field_trials(
"WebRTC-VideoRateControl/trust_vp8:1,trust_vp9:0/");
const RateControlSettings rate_control_settings =
RateControlSettings::ParseFromFieldTrials();
TEST(RateControlSettingsTest, CongestionWindow) {
EXPECT_FALSE(
RateControlSettings::ParseFromFieldTrials().UseCongestionWindow());
EXPECT_TRUE(rate_control_settings.LibvpxVp8TrustedRateController());
EXPECT_FALSE(rate_control_settings.LibvpxVp9TrustedRateController());
test::ScopedFieldTrials field_trials("WebRTC-VideoRateControl/cwnd:100/");
const RateControlSettings settings_after =
RateControlSettings::ParseFromFieldTrials();
EXPECT_TRUE(settings_after.UseCongestionWindow());
EXPECT_EQ(settings_after.GetCongestionWindowAdditionalTimeMs(), 100);
}
TEST(RateControlSettingsTest, CongestionWindowPushback) {
EXPECT_FALSE(RateControlSettings::ParseFromFieldTrials()
.UseCongestionWindowPushback());
test::ScopedFieldTrials field_trials(
"WebRTC-VideoRateControl/cwnd:100,cwnd_pushback:100000/");
const RateControlSettings settings_after =
RateControlSettings::ParseFromFieldTrials();
EXPECT_TRUE(settings_after.UseCongestionWindowPushback());
EXPECT_EQ(settings_after.CongestionWindowMinPushbackTargetBitrateBps(),
100000u);
}
TEST(RateControlSettingsTest, PacingFactor) {
EXPECT_FALSE(RateControlSettings::ParseFromFieldTrials().GetPacingFactor());
test::ScopedFieldTrials field_trials(
"WebRTC-VideoRateControl/pacing_factor:1.2/");
const RateControlSettings settings_after =
RateControlSettings::ParseFromFieldTrials();
// Need to explicitly dereference the absl::optional
// for the EXPECT_DOUBLE_EQ to compile.
ASSERT_TRUE(settings_after.GetPacingFactor());
EXPECT_DOUBLE_EQ(*settings_after.GetPacingFactor(), 1.2);
}
TEST(RateControlSettingsTest, AlrProbing) {
EXPECT_FALSE(RateControlSettings::ParseFromFieldTrials().UseAlrProbing());
test::ScopedFieldTrials field_trials(
"WebRTC-VideoRateControl/alr_probing:1/");
EXPECT_TRUE(RateControlSettings::ParseFromFieldTrials().UseAlrProbing());
}
TEST(RateControlSettingsTest, LibvpxTrustedRateController) {
const RateControlSettings settings_before =
RateControlSettings::ParseFromFieldTrials();
EXPECT_FALSE(settings_before.LibvpxVp8TrustedRateController());
EXPECT_FALSE(settings_before.LibvpxVp9TrustedRateController());
test::ScopedFieldTrials field_trials(
"WebRTC-VideoRateControl/trust_vp8:1,trust_vp9:1/");
const RateControlSettings settings_after =
RateControlSettings::ParseFromFieldTrials();
EXPECT_TRUE(settings_after.LibvpxVp8TrustedRateController());
EXPECT_TRUE(settings_after.LibvpxVp9TrustedRateController());
}
TEST(RateControlSettingsTest, GetSimulcastHysteresisFactor) {
const RateControlSettings settings_before =
RateControlSettings::ParseFromFieldTrials();
EXPECT_DOUBLE_EQ(settings_before.GetSimulcastHysteresisFactor(
VideoCodecMode::kRealtimeVideo),
1.0);
EXPECT_DOUBLE_EQ(settings_before.GetSimulcastHysteresisFactor(
VideoEncoderConfig::ContentType::kRealtimeVideo),
1.0);
EXPECT_DOUBLE_EQ(settings_before.GetSimulcastHysteresisFactor(
VideoCodecMode::kScreensharing),
1.35);
EXPECT_DOUBLE_EQ(settings_before.GetSimulcastHysteresisFactor(
VideoEncoderConfig::ContentType::kScreen),
1.35);
test::ScopedFieldTrials field_trials(
"WebRTC-VideoRateControl/"
"video_hysteresis:1.2,screenshare_hysteresis:1.4/");
const RateControlSettings rate_control_settings =
const RateControlSettings settings_after =
RateControlSettings::ParseFromFieldTrials();
EXPECT_EQ(rate_control_settings.GetSimulcastHysteresisFactor(
VideoCodecMode::kRealtimeVideo),
1.2);
EXPECT_EQ(rate_control_settings.GetSimulcastHysteresisFactor(
VideoEncoderConfig::ContentType::kRealtimeVideo),
1.2);
EXPECT_EQ(rate_control_settings.GetSimulcastHysteresisFactor(
VideoCodecMode::kScreensharing),
1.4);
EXPECT_EQ(rate_control_settings.GetSimulcastHysteresisFactor(
VideoEncoderConfig::ContentType::kScreen),
1.4);
EXPECT_DOUBLE_EQ(settings_after.GetSimulcastHysteresisFactor(
VideoCodecMode::kRealtimeVideo),
1.2);
EXPECT_DOUBLE_EQ(settings_after.GetSimulcastHysteresisFactor(
VideoEncoderConfig::ContentType::kRealtimeVideo),
1.2);
EXPECT_DOUBLE_EQ(settings_after.GetSimulcastHysteresisFactor(
VideoCodecMode::kScreensharing),
1.4);
EXPECT_DOUBLE_EQ(settings_after.GetSimulcastHysteresisFactor(
VideoEncoderConfig::ContentType::kScreen),
1.4);
}
TEST(RateControlSettingsTest, TriggerProbeOnMaxAllocatedBitrateChange) {
EXPECT_TRUE(RateControlSettings::ParseFromFieldTrials()
.TriggerProbeOnMaxAllocatedBitrateChange());
test::ScopedFieldTrials field_trials(
"WebRTC-VideoRateControl/probe_max_allocation:0/");
EXPECT_FALSE(RateControlSettings::ParseFromFieldTrials()
.TriggerProbeOnMaxAllocatedBitrateChange());
}
} // namespace