| // rvalue_test - test lambda function objects with rvalue arguments |
| // |
| // Copyright (c) 2007 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/lambda/lambda.hpp> |
| #include <boost/detail/lightweight_test.hpp> |
| |
| int main() |
| { |
| using namespace boost::lambda; |
| |
| int x = 0; |
| int const y = 1; |
| int const z = 2; |
| |
| BOOST_TEST( _1( x ) == 0 ); |
| BOOST_TEST( _1( y ) == 1 ); |
| BOOST_TEST( _1( 2 ) == 2 ); |
| |
| BOOST_TEST( _2( x, x ) == 0 ); |
| BOOST_TEST( _2( x, y ) == 1 ); |
| BOOST_TEST( _2( x, 2 ) == 2 ); |
| |
| BOOST_TEST( _2( 4, x ) == 0 ); |
| BOOST_TEST( _2( 4, y ) == 1 ); |
| BOOST_TEST( _2( 4, 2 ) == 2 ); |
| |
| (_1 = _2)( x, y ); |
| BOOST_TEST( x == y ); |
| |
| (_1 = _2)( x, 3 ); |
| BOOST_TEST( x == 3 ); |
| |
| (_2 = _1)( z, x ); |
| BOOST_TEST( x == z ); |
| |
| (_2 = _1)( 4, x ); |
| BOOST_TEST( x == 4 ); |
| |
| BOOST_TEST( _3( x, x, x ) == x ); |
| BOOST_TEST( _3( x, x, y ) == y ); |
| BOOST_TEST( _3( x, x, 2 ) == 2 ); |
| |
| BOOST_TEST( _3( x, 5, x ) == x ); |
| BOOST_TEST( _3( x, 5, y ) == y ); |
| BOOST_TEST( _3( x, 5, 2 ) == 2 ); |
| |
| BOOST_TEST( _3( 9, 5, x ) == x ); |
| BOOST_TEST( _3( 9, 5, y ) == y ); |
| BOOST_TEST( _3( 9, 5, 2 ) == 2 ); |
| |
| return boost::report_errors(); |
| } |