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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 "PowerHalLoaderTest"
#include <android-base/logging.h>
#include <android/hardware/power/1.1/IPower.h>
#include <android/hardware/power/IPower.h>
#include <gtest/gtest.h>
#include <powermanager/PowerHalLoader.h>
#include <future>
using IPowerV1_0 = android::hardware::power::V1_0::IPower;
using IPowerV1_1 = android::hardware::power::V1_1::IPower;
using IPowerAidl = android::hardware::power::IPower;
using namespace android;
using namespace android::power;
using namespace testing;
// -------------------------------------------------------------------------------------------------
template <typename T>
sp<T> loadHal();
template <>
sp<IPowerAidl> loadHal<IPowerAidl>() {
return PowerHalLoader::loadAidl();
}
template <>
sp<IPowerV1_0> loadHal<IPowerV1_0>() {
return PowerHalLoader::loadHidlV1_0();
}
template <>
sp<IPowerV1_1> loadHal<IPowerV1_1>() {
return PowerHalLoader::loadHidlV1_1();
}
// -------------------------------------------------------------------------------------------------
template <typename T>
class PowerHalLoaderTest : public Test {
public:
sp<T> load() { return ::loadHal<T>(); }
void unload() { PowerHalLoader::unloadAll(); }
};
// -------------------------------------------------------------------------------------------------
typedef ::testing::Types<IPowerAidl, IPowerV1_0, IPowerV1_1> PowerHalTypes;
TYPED_TEST_SUITE(PowerHalLoaderTest, PowerHalTypes);
TYPED_TEST(PowerHalLoaderTest, TestLoadsOnlyOnce) {
sp<TypeParam> firstHal = this->load();
if (firstHal == nullptr) {
ALOGE("Power HAL not available. Skipping test.");
return;
}
sp<TypeParam> secondHal = this->load();
ASSERT_EQ(firstHal, secondHal);
}
TYPED_TEST(PowerHalLoaderTest, TestUnload) {
sp<TypeParam> firstHal = this->load();
if (firstHal == nullptr) {
ALOGE("Power HAL not available. Skipping test.");
return;
}
this->unload();
sp<TypeParam> secondHal = this->load();
ASSERT_NE(secondHal, nullptr);
ASSERT_NE(firstHal, secondHal);
}
TYPED_TEST(PowerHalLoaderTest, TestLoadMultiThreadLoadsOnlyOnce) {
std::vector<std::future<sp<TypeParam>>> futures;
for (int i = 0; i < 10; i++) {
futures.push_back(
std::async(std::launch::async, &PowerHalLoaderTest<TypeParam>::load, this));
}
futures[0].wait();
sp<TypeParam> firstHal = futures[0].get();
if (firstHal == nullptr) {
ALOGE("Power HAL not available. Skipping test.");
return;
}
for (int i = 1; i < 10; i++) {
futures[i].wait();
sp<TypeParam> currentHal = futures[i].get();
ASSERT_EQ(firstHal, currentHal);
}
}
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