1 files changed, 76 insertions, 0 deletions
diff --git a/third_party/libwebrtc/video/adaptation/quality_scaler_resource_unittest.cc b/third_party/libwebrtc/video/adaptation/quality_scaler_resource_unittest.cc
new file mode 100644
index 0000000000..70d297588f
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+++ b/third_party/libwebrtc/video/adaptation/quality_scaler_resource_unittest.cc
@@ -0,0 +1,76 @@
+/*
+ *  Copyright 2020 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 "video/adaptation/quality_scaler_resource.h"
+
+#include <memory>
+
+#include "absl/types/optional.h"
+#include "api/task_queue/task_queue_base.h"
+#include "api/video_codecs/video_encoder.h"
+#include "call/adaptation/test/mock_resource_listener.h"
+#include "rtc_base/thread.h"
+#include "test/gmock.h"
+#include "test/gtest.h"
+
+namespace webrtc {
+
+using testing::_;
+using testing::Eq;
+using testing::StrictMock;
+
+namespace {
+
+class FakeDegradationPreferenceProvider : public DegradationPreferenceProvider {
+ public:
+  ~FakeDegradationPreferenceProvider() override = default;
+
+  DegradationPreference degradation_preference() const override {
+    return DegradationPreference::MAINTAIN_FRAMERATE;
+  }
+};
+
+}  // namespace
+
+class QualityScalerResourceTest : public ::testing::Test {
+ public:
+  QualityScalerResourceTest()
+      : quality_scaler_resource_(QualityScalerResource::Create()) {
+    quality_scaler_resource_->RegisterEncoderTaskQueue(
+        TaskQueueBase::Current());
+    quality_scaler_resource_->SetResourceListener(&fake_resource_listener_);
+  }
+
+  ~QualityScalerResourceTest() override {
+    quality_scaler_resource_->SetResourceListener(nullptr);
+  }
+
+ protected:
+  rtc::AutoThread main_thread_;
+  StrictMock<MockResourceListener> fake_resource_listener_;
+  FakeDegradationPreferenceProvider degradation_preference_provider_;
+  rtc::scoped_refptr<QualityScalerResource> quality_scaler_resource_;
+};
+
+TEST_F(QualityScalerResourceTest, ReportQpHigh) {
+  EXPECT_CALL(fake_resource_listener_,
+              OnResourceUsageStateMeasured(Eq(quality_scaler_resource_),
+                                           Eq(ResourceUsageState::kOveruse)));
+  quality_scaler_resource_->OnReportQpUsageHigh();
+}
+
+TEST_F(QualityScalerResourceTest, ReportQpLow) {
+  EXPECT_CALL(fake_resource_listener_,
+              OnResourceUsageStateMeasured(Eq(quality_scaler_resource_),
+                                           Eq(ResourceUsageState::kUnderuse)));
+  quality_scaler_resource_->OnReportQpUsageLow();
+}
+
+}  // namespace webrtc