boost_1_45_0/libs/smart_ptr/test/atomic_count_test.cpp

//
// atomic_count_test.cpp
//
// Copyright 2005 Peter Dimov
//
// 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)
//

#include <boost/detail/atomic_count.hpp>
#include <boost/detail/lightweight_test.hpp>

int main()
{
    boost::detail::atomic_count n( 4 );

    BOOST_TEST( n == 4L );

    ++n;

    BOOST_TEST( n == 5L );
    BOOST_TEST( --n != 0L );

    boost::detail::atomic_count m( 0 );

    BOOST_TEST( m == 0 );

    ++m;

    BOOST_TEST( m == 1 );

    ++m;

    BOOST_TEST( m == 2 );
    BOOST_TEST( --m != 0 );
    BOOST_TEST( --m == 0 );

    return boost::report_errors();
}