| 1 | // |
|---|---|
| 2 | // atomic_count_test2.cpp |
| 3 | // |
| 4 | // Copyright 2009 Peter Dimov |
| 5 | // |
| 6 | // Distributed under the Boost Software License, Version 1.0. |
| 7 | // See accompanying file LICENSE_1_0.txt or copy at |
| 8 | // http://www.boost.org/LICENSE_1_0.txt |
| 9 | // |
| 10 | |
| 11 | #include <boost/detail/atomic_count.hpp> |
| 12 | #include <boost/core/lightweight_test.hpp> |
| 13 | |
| 14 | int main() |
| 15 | { |
| 16 | boost::detail::atomic_count n( 4 ); |
| 17 | |
| 18 | BOOST_TEST( n == 4 ); |
| 19 | |
| 20 | BOOST_TEST( ++n == 5 ); |
| 21 | BOOST_TEST( ++n == 6 ); |
| 22 | |
| 23 | BOOST_TEST( n == 6 ); |
| 24 | |
| 25 | BOOST_TEST( --n == 5 ); |
| 26 | BOOST_TEST( --n == 4 ); |
| 27 | |
| 28 | BOOST_TEST( n == 4 ); |
| 29 | |
| 30 | boost::detail::atomic_count m( 0 ); |
| 31 | |
| 32 | BOOST_TEST( m == 0 ); |
| 33 | |
| 34 | BOOST_TEST( ++m == 1 ); |
| 35 | BOOST_TEST( ++m == 2 ); |
| 36 | |
| 37 | BOOST_TEST( m == 2 ); |
| 38 | |
| 39 | BOOST_TEST( --m == 1 ); |
| 40 | BOOST_TEST( --m == 0 ); |
| 41 | |
| 42 | BOOST_TEST( m == 0 ); |
| 43 | |
| 44 | BOOST_TEST( --m == -1 ); |
| 45 | BOOST_TEST( --m == -2 ); |
| 46 | |
| 47 | BOOST_TEST( m == -2 ); |
| 48 | |
| 49 | BOOST_TEST( ++m == -1 ); |
| 50 | BOOST_TEST( ++m == 0 ); |
| 51 | |
| 52 | BOOST_TEST( m == 0 ); |
| 53 | |
| 54 | return boost::report_errors(); |
| 55 | } |
| 56 |