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 |