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/*
* Copyright (C) 2014-2023 Savoir-faire Linux Inc.
*
* Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "threadpooltester.h"
#include "opendht/thread_pool.h"
#include <atomic>
#include <thread>
namespace test {
CPPUNIT_TEST_SUITE_REGISTRATION(ThreadPoolTester);
using clock = std::chrono::steady_clock;
void
ThreadPoolTester::setUp() {
}
void
ThreadPoolTester::testThreadPool() {
dht::ThreadPool pool(16);
constexpr unsigned N = 64 * 1024;
std::atomic_uint count {0};
for (unsigned i=0; i<N; i++)
pool.run([&] {
count++;
});
auto start = clock::now();
while (count.load() != N && clock::now() - start < std::chrono::seconds(10))
std::this_thread::sleep_for(std::chrono::milliseconds(10));
pool.join();
CPPUNIT_ASSERT_EQUAL(N, count.load());
}
void
ThreadPoolTester::testExecutor()
{
dht::ThreadPool pool(8);
auto executor1 = std::make_shared<dht::Executor>(pool, 1);
auto executor4 = std::make_shared<dht::Executor>(pool, 4);
auto executor8 = std::make_shared<dht::Executor>(pool, 8);
constexpr unsigned N = 64 * 1024;
unsigned count1 {0};
std::atomic_uint count4 {0};
std::atomic_uint count8 {0};
for (unsigned i=0; i<N; i++) {
executor1->run([&] { count1++; });
executor4->run([&] { count4++; });
executor8->run([&] { count8++; });
}
auto start = clock::now();
while ((count1 != N ||
count4.load() != N ||
count8.load() != N) && clock::now() - start < std::chrono::seconds(20))
{
std::this_thread::sleep_for(std::chrono::milliseconds(10));
}
executor1.reset();
executor4.reset();
executor8.reset();
CPPUNIT_ASSERT_EQUAL(N, count1);
CPPUNIT_ASSERT_EQUAL(N, count4.load());
CPPUNIT_ASSERT_EQUAL(N, count8.load());
}
void
ThreadPoolTester::testContext()
{
std::atomic_uint count {0};
constexpr unsigned N = 64 * 1024;
{
dht::ExecutionContext ctx(dht::ThreadPool::computation());
for (unsigned i=0; i<N; i++) {
ctx.run([&] { count++; });
}
}
CPPUNIT_ASSERT_EQUAL(N, count.load());
}
void
ThreadPoolTester::tearDown() {
}
} // namespace test
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