1 files changed, 49 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_base/experiments/bandwidth_quality_scaler_settings_unittest.cc b/third_party/libwebrtc/rtc_base/experiments/bandwidth_quality_scaler_settings_unittest.cc
new file mode 100644
index 0000000000..fab22cede0
--- /dev/null
+++ b/third_party/libwebrtc/rtc_base/experiments/bandwidth_quality_scaler_settings_unittest.cc
@@ -0,0 +1,49 @@
+/*
+ *  Copyright 2021 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/bandwidth_quality_scaler_settings.h"
+
+#include "test/field_trial.h"
+#include "test/gtest.h"
+
+namespace webrtc {
+namespace {
+
+TEST(BandwidthQualityScalerSettingsTest, ValuesNotSetByDefault) {
+  const auto settings = BandwidthQualityScalerSettings::ParseFromFieldTrials();
+  EXPECT_FALSE(settings.BitrateStateUpdateInterval());
+}
+
+TEST(BandwidthQualityScalerSettingsTest, ParseBitrateStateUpdateInterval) {
+  test::ScopedFieldTrials field_trials(
+      "WebRTC-Video-BandwidthQualityScalerSettings/"
+      "bitrate_state_update_interval_s_:100/");
+  EXPECT_EQ(100u, BandwidthQualityScalerSettings::ParseFromFieldTrials()
+                      .BitrateStateUpdateInterval());
+}
+
+TEST(BandwidthQualityScalerSettingsTest, ParseAll) {
+  test::ScopedFieldTrials field_trials(
+      "WebRTC-Video-BandwidthQualityScalerSettings/"
+      "bitrate_state_update_interval_s_:100/");
+  EXPECT_EQ(100u, BandwidthQualityScalerSettings::ParseFromFieldTrials()
+                      .BitrateStateUpdateInterval());
+}
+
+TEST(BandwidthQualityScalerSettingsTest, DoesNotParseIncorrectValue) {
+  test::ScopedFieldTrials field_trials(
+      "WebRTC-Video-BandwidthQualityScalerSettings/"
+      "bitrate_state_update_interval_s_:??/");
+  const auto settings = BandwidthQualityScalerSettings::ParseFromFieldTrials();
+  EXPECT_FALSE(settings.BitrateStateUpdateInterval());
+}
+
+}  // namespace
+}  // namespace webrtc