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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/arc/idle_manager/arc_display_power_observer.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "chrome/browser/ash/arc/idle_manager/arc_throttle_test_observer.h"
#include "chrome/test/base/testing_profile.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace arc {
class ArcDisplayPowerObserverTest : public ash::AshTestBase {
public:
ArcDisplayPowerObserverTest() = default;
ArcDisplayPowerObserverTest(const ArcDisplayPowerObserverTest&) = delete;
ArcDisplayPowerObserverTest& operator=(const ArcDisplayPowerObserverTest&) =
delete;
~ArcDisplayPowerObserverTest() override = default;
void SetUp() override { ash::AshTestBase::SetUp(); }
void TearDown() override { ash::AshTestBase::TearDown(); }
protected:
ArcDisplayPowerObserver* observer() { return &display_observer_; }
display::DisplayConfigurator* display_configurator() {
return ash::Shell::Get()->display_configurator();
}
TestingProfile* profile() { return testing_profile_.get(); }
private:
ArcDisplayPowerObserver display_observer_;
std::unique_ptr<TestingProfile> testing_profile_;
};
TEST_F(ArcDisplayPowerObserverTest, TestConstructDestruct) {}
TEST_F(ArcDisplayPowerObserverTest, TestStatusChanges) {
unittest::ThrottleTestObserver test_observer;
EXPECT_EQ(0, test_observer.count());
EXPECT_FALSE(display_configurator()->HasObserverForTesting(observer()));
// base::Unretained below: safe because all involved objects share scope.
observer()->StartObserving(
profile(), base::BindRepeating(&unittest::ThrottleTestObserver::Monitor,
base::Unretained(&test_observer)));
EXPECT_TRUE(display_configurator()->HasObserverForTesting(observer()));
EXPECT_EQ(0, test_observer.count());
EXPECT_EQ(0, test_observer.active_count());
EXPECT_EQ(0, test_observer.enforced_count());
// Expected to never change
EXPECT_FALSE(observer()->active());
// Expected initial state
EXPECT_FALSE(observer()->enforced());
observer()->OnPowerStateChanged(chromeos::DISPLAY_POWER_ALL_OFF);
EXPECT_EQ(1, test_observer.count());
EXPECT_EQ(0, test_observer.active_count());
EXPECT_EQ(1, test_observer.enforced_count());
EXPECT_FALSE(observer()->active());
EXPECT_TRUE(observer()->enforced());
observer()->OnPowerStateChanged(chromeos::DISPLAY_POWER_ALL_ON);
EXPECT_EQ(2, test_observer.count());
EXPECT_EQ(0, test_observer.active_count());
EXPECT_EQ(1, test_observer.enforced_count());
EXPECT_FALSE(observer()->active());
EXPECT_FALSE(observer()->enforced());
EXPECT_TRUE(display_configurator()->HasObserverForTesting(observer()));
observer()->StopObserving();
EXPECT_FALSE(display_configurator()->HasObserverForTesting(observer()));
}
} // namespace arc
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