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thread pool: add unit test

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aberaud committed Apr 30, 2019
1 parent 6d0fcba commit 32a443a1d89a5f35079087173ff0e11d227bffa7
Showing with 140 additions and 0 deletions.
  1. +2 −0 CMakeLists.txt
  2. +90 −0 tests/threadpooltester.cpp
  3. +48 −0 tests/threadpooltester.h
@@ -321,6 +321,8 @@ if (OPENDHT_TESTS)
tests/dhtrunnertester.cpp
tests/peerdiscoverytester.h
tests/peerdiscoverytester.cpp
tests/threadpooltester.h
tests/threadpooltester.cpp
)
if (OPENDHT_PROXY_SERVER AND OPENDHT_PROXY_CLIENT)
list (APPEND test_FILES
@@ -0,0 +1,90 @@
/*
* Copyright (C) 2019 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>

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(count.load() == N);
}

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;
std::atomic_uint 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.load() != 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.load());
CPPUNIT_ASSERT_EQUAL(N, count4.load());
CPPUNIT_ASSERT_EQUAL(N, count8.load());
}

void
ThreadPoolTester::tearDown() {
}

} // namespace test
@@ -0,0 +1,48 @@
/*
* Copyright (C) 2019 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/>.
*/

#pragma once

// cppunit
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>

namespace test {

class ThreadPoolTester : public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(ThreadPoolTester);
CPPUNIT_TEST(testThreadPool);
CPPUNIT_TEST(testExecutor);
CPPUNIT_TEST_SUITE_END();

public:
/**
* Method automatically called before each test by CppUnit
*/
void setUp();
/**
* Method automatically called after each test CppUnit
*/
void tearDown();

void testThreadPool();
void testExecutor();
};

} // namespace test

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