72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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*/
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#include "utils/ThreadPool.h"
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#include <gtest/gtest.h>
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#include <atomic>
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#include <iostream>
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#include <thread>
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#include <vector>
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using namespace pzstd;
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TEST(ThreadPool, Ordering) {
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std::vector<int> results;
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{
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ThreadPool executor(1);
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for (int i = 0; i < 10; ++i) {
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executor.add([ &results, i ] { results.push_back(i); });
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}
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}
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for (int i = 0; i < 10; ++i) {
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EXPECT_EQ(i, results[i]);
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}
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}
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TEST(ThreadPool, AllJobsFinished) {
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std::atomic<unsigned> numFinished{0};
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std::atomic<bool> start{false};
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{
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std::cerr << "Creating executor" << std::endl;
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ThreadPool executor(5);
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for (int i = 0; i < 10; ++i) {
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executor.add([ &numFinished, &start ] {
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while (!start.load()) {
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std::this_thread::yield();
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}
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++numFinished;
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});
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}
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std::cerr << "Starting" << std::endl;
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start.store(true);
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std::cerr << "Finishing" << std::endl;
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}
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EXPECT_EQ(10, numFinished.load());
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}
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TEST(ThreadPool, AddJobWhileJoining) {
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std::atomic<bool> done{false};
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{
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ThreadPool executor(1);
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executor.add([&executor, &done] {
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while (!done.load()) {
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std::this_thread::yield();
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}
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// Sleep for a second to be sure that we are joining
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std::this_thread::sleep_for(std::chrono::seconds(1));
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executor.add([] {
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EXPECT_TRUE(false);
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});
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});
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done.store(true);
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}
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}
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