/*
|
* Copyright 2018 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.
|
*/
|
|
#include <hardware_legacy/power.h>
|
|
#include <csignal>
|
#include <cstdlib>
|
#include <string>
|
#include <thread>
|
#include <vector>
|
|
#include <gtest/gtest.h>
|
|
using namespace std::chrono_literals;
|
|
namespace android {
|
|
// Test acquiring/releasing WakeLocks concurrently with process exit.
|
TEST(LibpowerTest, ProcessExitTest) {
|
std::atexit([] {
|
// We want to give the other thread enough time trigger a failure and
|
// dump the stack traces.
|
std::this_thread::sleep_for(1s);
|
});
|
|
ASSERT_EXIT(
|
{
|
constexpr int numThreads = 20;
|
std::vector<std::thread> tds;
|
for (int i = 0; i < numThreads; i++) {
|
tds.emplace_back([] {
|
while (true) {
|
// We want ids to be unique.
|
std::string id = std::to_string(rand());
|
ASSERT_EQ(acquire_wake_lock(PARTIAL_WAKE_LOCK, id.c_str()), 0);
|
ASSERT_EQ(release_wake_lock(id.c_str()), 0);
|
}
|
});
|
}
|
for (auto& td : tds) {
|
td.detach();
|
}
|
|
// Give some time for the threads to actually start.
|
std::this_thread::sleep_for(100ms);
|
std::exit(0);
|
},
|
::testing::ExitedWithCode(0), "");
|
}
|
|
// Stress test acquiring/releasing WakeLocks.
|
TEST(LibpowerTest, WakeLockStressTest) {
|
// numThreads threads will acquire/release numLocks locks each.
|
constexpr int numThreads = 20;
|
constexpr int numLocks = 1000;
|
std::vector<std::thread> tds;
|
|
for (int i = 0; i < numThreads; i++) {
|
tds.emplace_back([i] {
|
for (int j = 0; j < numLocks; j++) {
|
// We want ids to be unique.
|
std::string id = std::to_string(i) + "/" + std::to_string(j);
|
ASSERT_EQ(acquire_wake_lock(PARTIAL_WAKE_LOCK, id.c_str()), 0);
|
ASSERT_EQ(release_wake_lock(id.c_str()), 0);
|
}
|
});
|
}
|
for (auto& td : tds) {
|
td.join();
|
}
|
}
|
|
} // namespace android
|
