88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <hardware_legacy/power.h>
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#include <csignal>
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#include <cstdlib>
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#include <string>
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#include <thread>
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#include <vector>
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#include <gtest/gtest.h>
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using namespace std::chrono_literals;
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namespace android {
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// Test acquiring/releasing WakeLocks concurrently with process exit.
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TEST(LibpowerTest, ProcessExitTest) {
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std::atexit([] {
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// We want to give the other thread enough time trigger a failure and
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// dump the stack traces.
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std::this_thread::sleep_for(1s);
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});
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ASSERT_EXIT(
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{
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constexpr int numThreads = 20;
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std::vector<std::thread> tds;
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for (int i = 0; i < numThreads; i++) {
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tds.emplace_back([] {
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while (true) {
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// We want ids to be unique.
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std::string id = std::to_string(rand());
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ASSERT_EQ(acquire_wake_lock(PARTIAL_WAKE_LOCK, id.c_str()), 0);
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ASSERT_EQ(release_wake_lock(id.c_str()), 0);
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}
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});
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}
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for (auto& td : tds) {
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td.detach();
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}
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// Give some time for the threads to actually start.
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std::this_thread::sleep_for(100ms);
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std::exit(0);
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},
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::testing::ExitedWithCode(0), "");
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}
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// Stress test acquiring/releasing WakeLocks.
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TEST(LibpowerTest, WakeLockStressTest) {
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// numThreads threads will acquire/release numLocks locks each.
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constexpr int numThreads = 20;
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constexpr int numLocks = 1000;
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std::vector<std::thread> tds;
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for (int i = 0; i < numThreads; i++) {
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tds.emplace_back([i] {
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for (int j = 0; j < numLocks; j++) {
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// We want ids to be unique.
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std::string id = std::to_string(i) + "/" + std::to_string(j);
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ASSERT_EQ(acquire_wake_lock(PARTIAL_WAKE_LOCK, id.c_str()), 0)
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<< "id: " << id;
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ASSERT_EQ(release_wake_lock(id.c_str()), 0)
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<< "id: " << id;;
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}
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});
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}
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for (auto& td : tds) {
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td.join();
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}
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}
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} // namespace android
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