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// 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 "chrome/browser/ash/power/auto_screen_brightness/als_reader.h"
#include "chrome/browser/ash/power/auto_screen_brightness/fake_observer.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash {
namespace power {
namespace auto_screen_brightness {
class AlsReaderTest : public testing::Test {
protected:
// testing::Test:
void SetUp() override {
als_reader_ = std::make_unique<AlsReader>();
als_reader_->AddObserver(&fake_observer_);
}
void SetLux(int lux) { als_reader_->SetLux(lux); }
void SetAlsInitStatus(AlsReader::AlsInitStatus status) {
als_reader_->SetAlsInitStatus(status);
}
void SetAlsInitStatusForTesting(AlsReader::AlsInitStatus status) {
als_reader_->SetAlsInitStatusForTesting(status);
}
FakeObserver fake_observer_;
FakeObserver fake_observer2_;
std::unique_ptr<AlsReader> als_reader_;
};
TEST_F(AlsReaderTest, LuxUpdated) {
SetLux(100);
EXPECT_EQ(fake_observer_.num_received_ambient_lights(), 1);
EXPECT_EQ(fake_observer_.ambient_light(), 100);
als_reader_->AddObserver(&fake_observer2_);
SetLux(200);
EXPECT_EQ(fake_observer_.num_received_ambient_lights(), 2);
EXPECT_EQ(fake_observer_.ambient_light(), 200);
EXPECT_EQ(fake_observer2_.num_received_ambient_lights(), 1);
EXPECT_EQ(fake_observer2_.ambient_light(), 200);
als_reader_->RemoveObserver(&fake_observer_);
SetLux(150);
EXPECT_EQ(fake_observer_.num_received_ambient_lights(), 2);
EXPECT_EQ(fake_observer_.ambient_light(), 200);
EXPECT_EQ(fake_observer2_.num_received_ambient_lights(), 2);
EXPECT_EQ(fake_observer2_.ambient_light(), 150);
}
TEST_F(AlsReaderTest, StatusUpdated) {
SetAlsInitStatus(AlsReader::AlsInitStatus::kDisabled);
EXPECT_EQ(fake_observer_.status(), AlsReader::AlsInitStatus::kDisabled);
SetAlsInitStatusForTesting(AlsReader::AlsInitStatus::kMissingPath);
als_reader_->AddObserver(&fake_observer2_);
EXPECT_EQ(fake_observer_.status(), AlsReader::AlsInitStatus::kDisabled);
EXPECT_EQ(fake_observer2_.status(), AlsReader::AlsInitStatus::kMissingPath);
SetAlsInitStatus(AlsReader::AlsInitStatus::kIncorrectConfig);
EXPECT_EQ(fake_observer_.status(),
AlsReader::AlsInitStatus::kIncorrectConfig);
EXPECT_EQ(fake_observer2_.status(),
AlsReader::AlsInitStatus::kIncorrectConfig);
als_reader_->RemoveObserver(&fake_observer_);
SetAlsInitStatus(AlsReader::AlsInitStatus::kSuccess);
EXPECT_EQ(fake_observer_.status(),
AlsReader::AlsInitStatus::kIncorrectConfig);
EXPECT_EQ(fake_observer2_.status(), AlsReader::AlsInitStatus::kSuccess);
}
} // namespace auto_screen_brightness
} // namespace power
} // namespace ash
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