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/*
* Copyright Andrey Semashev 2019.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file interlocked.cpp
* \author Andrey Semashev
* \date 10.07.2019
*
* \brief This file contains test for interlocked.hpp
*/
#include <boost/detail/interlocked.hpp>
#include <windows.h> // include to test there are no conflicts with Windows SDK
#include <boost/cstdint.hpp>
#include <boost/core/lightweight_test.hpp>
void test_int32()
{
boost::int32_t n = 0, r = 0;
r = BOOST_INTERLOCKED_INCREMENT(&n);
BOOST_TEST_EQ(n, 1);
BOOST_TEST_EQ(r, 1);
r = BOOST_INTERLOCKED_DECREMENT(&n);
BOOST_TEST_EQ(n, 0);
BOOST_TEST_EQ(r, 0);
r = BOOST_INTERLOCKED_COMPARE_EXCHANGE(&n, 2, 0);
BOOST_TEST_EQ(n, 2);
BOOST_TEST_EQ(r, 0);
r = BOOST_INTERLOCKED_EXCHANGE(&n, 3);
BOOST_TEST_EQ(n, 3);
BOOST_TEST_EQ(r, 2);
r = BOOST_INTERLOCKED_EXCHANGE_ADD(&n, 10);
BOOST_TEST_EQ(n, 13);
BOOST_TEST_EQ(r, 3);
}
void test_pointer()
{
void* p = 0;
void* q = 0;
q = BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(&p, (void*)&q, (void*)0);
BOOST_TEST_EQ(p, (void*)&q);
BOOST_TEST_EQ(q, (void*)0);
q = BOOST_INTERLOCKED_EXCHANGE_POINTER(&p, (void*)0);
BOOST_TEST_EQ(p, (void*)0);
BOOST_TEST_EQ(q, (void*)&q);
}
int main()
{
test_int32();
test_pointer();
return boost::report_errors();
}
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