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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "light_aidl_hal_test"
#include <aidl/Gtest.h>
#include <aidl/Vintf.h>
#include <android-base/logging.h>
#include <android/hardware/light/ILights.h>
#include <binder/IServiceManager.h>
#include <binder/ProcessState.h>
#include <gtest/gtest.h>
#include <hidl/GtestPrinter.h>
#include <hidl/ServiceManagement.h>
#include <unistd.h>
#include <set>
using android::ProcessState;
using android::sp;
using android::String16;
using android::binder::Status;
using android::hardware::hidl_vec;
using android::hardware::Return;
using android::hardware::Void;
using android::hardware::light::BrightnessMode;
using android::hardware::light::FlashMode;
using android::hardware::light::HwLight;
using android::hardware::light::HwLightState;
using android::hardware::light::ILights;
using android::hardware::light::LightType;
#define ASSERT_OK(ret) ASSERT_TRUE(ret.isOk())
#define EXPECT_OK(ret) EXPECT_TRUE(ret.isOk())
const std::set<LightType> kAllTypes{android::enum_range<LightType>().begin(),
android::enum_range<LightType>().end()};
class LightsAidl : public testing::TestWithParam<std::string> {
public:
virtual void SetUp() override {
lights = android::waitForDeclaredService<ILights>(String16(GetParam().c_str()));
ASSERT_NE(lights, nullptr);
ASSERT_TRUE(lights->getLights(&supportedLights).isOk());
}
sp<ILights> lights;
std::vector<HwLight> supportedLights;
virtual void TearDown() override {
for (const HwLight& light : supportedLights) {
HwLightState off;
off.color = 0x00000000;
off.flashMode = FlashMode::NONE;
off.brightnessMode = BrightnessMode::USER;
EXPECT_TRUE(lights->setLightState(light.id, off).isOk());
}
// must leave the device in a useable condition
for (const HwLight& light : supportedLights) {
if (light.type == LightType::BACKLIGHT) {
HwLightState backlightOn;
backlightOn.color = 0xFFFFFFFF;
backlightOn.flashMode = FlashMode::TIMED;
backlightOn.brightnessMode = BrightnessMode::USER;
EXPECT_TRUE(lights->setLightState(light.id, backlightOn).isOk());
}
}
}
};
/**
* Ensure all reported lights actually work.
*/
TEST_P(LightsAidl, TestSupported) {
HwLightState whiteFlashing;
whiteFlashing.color = 0xFFFFFFFF;
whiteFlashing.flashMode = FlashMode::TIMED;
whiteFlashing.flashOnMs = 100;
whiteFlashing.flashOffMs = 50;
whiteFlashing.brightnessMode = BrightnessMode::USER;
for (const HwLight& light : supportedLights) {
EXPECT_TRUE(lights->setLightState(light.id, whiteFlashing).isOk());
}
}
/**
* Ensure all reported lights have one of the supported types.
*/
TEST_P(LightsAidl, TestSupportedLightTypes) {
for (const HwLight& light : supportedLights) {
EXPECT_TRUE(kAllTypes.find(light.type) != kAllTypes.end());
}
}
/**
* Ensure all lights have a unique id.
*/
TEST_P(LightsAidl, TestUniqueIds) {
std::set<int> ids;
for (const HwLight& light : supportedLights) {
EXPECT_TRUE(ids.find(light.id) == ids.end());
ids.insert(light.id);
}
}
/**
* Ensure all lights have a unique ordinal for a given type.
*/
TEST_P(LightsAidl, TestUniqueOrdinalsForType) {
std::map<int, std::set<int>> ordinalsByType;
for (const HwLight& light : supportedLights) {
auto& ordinals = ordinalsByType[(int)light.type];
EXPECT_TRUE(ordinals.find(light.ordinal) == ordinals.end());
ordinals.insert(light.ordinal);
}
}
/**
* Ensure EX_UNSUPPORTED_OPERATION is returned if LOW_PERSISTENCE is not supported.
*/
TEST_P(LightsAidl, TestLowPersistence) {
HwLightState lowPersistence;
lowPersistence.color = 0xFF123456;
lowPersistence.flashMode = FlashMode::TIMED;
lowPersistence.flashOnMs = 100;
lowPersistence.flashOffMs = 50;
lowPersistence.brightnessMode = BrightnessMode::LOW_PERSISTENCE;
for (const HwLight& light : supportedLights) {
Status status = lights->setLightState(light.id, lowPersistence);
EXPECT_TRUE(status.isOk() || Status::EX_UNSUPPORTED_OPERATION == status.exceptionCode());
}
}
/**
* Ensure EX_UNSUPPORTED_OPERATION is returns for an invalid light id.
*/
TEST_P(LightsAidl, TestInvalidLightIdUnsupported) {
int maxId = INT_MIN;
for (const HwLight& light : supportedLights) {
maxId = std::max(maxId, light.id);
}
Status status = lights->setLightState(maxId + 1, HwLightState());
EXPECT_TRUE(status.exceptionCode() == Status::EX_UNSUPPORTED_OPERATION);
}
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(LightsAidl);
INSTANTIATE_TEST_SUITE_P(Lights, LightsAidl,
testing::ValuesIn(android::getAidlHalInstanceNames(ILights::descriptor)),
android::PrintInstanceNameToString);
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
ProcessState::self()->setThreadPoolMaxThreadCount(1);
ProcessState::self()->startThreadPool();
return RUN_ALL_TESTS();
}
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