chromium/components/viz/service/main/viz_main_impl_unittest.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/viz/service/main/viz_main_impl.h"

#include <memory>
#include <utility>

#include "base/memory/raw_ptr.h"
#include "base/power_monitor/power_monitor.h"
#include "base/power_monitor/power_monitor_source.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/task_environment.h"
#include "components/viz/service/performance_hint/hint_session.h"
#include "gpu/config/gpu_info.h"
#include "gpu/ipc/service/gpu_init.h"
#include "services/metrics/public/cpp/mojo_ukm_recorder.h"
#include "services/metrics/public/cpp/ukm_entry_builder.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace viz {

// This mock lets us listen for delegate messages generated by a |VizMainImpl|.
// We use this to check that Viz's task runner is the task runner specified by
// dependency injection.
class MockDelegate : public VizMainImpl::Delegate { … };

// This mock lets us listen for UKM events to be added. We use this to verify
// that the dependency-injected UKM recorder actually gets used.
class MockUkmRecorder : public ukm::MojoUkmRecorder { … };

class MockVizCompositorThreadRunner : public VizCompositorThreadRunner { … };

class MockPowerMonitorSource : public base::PowerMonitorSource { … };

TEST(VizMainImplTest, OopVizDependencyInjection) { … }

}  // namespace viz