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- #include <boost/config.hpp>
- //
- // bind_fwd2_test.cpp - forwarding test for 2 arguments
- //
- // Copyright (c) 2015 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/bind.hpp>
- #include <boost/detail/lightweight_test.hpp>
- //
- int fv1( int const & a )
- {
- return a;
- }
- void fv2_1( int & a, int const & b )
- {
- a = b;
- }
- void fv2_2( int const & a, int & b )
- {
- b = a;
- }
- int fv2_3( int const & a, int const & b )
- {
- return a+b;
- }
- void test()
- {
- {
- int const a = 1;
- int r = boost::bind( fv1, _1 )( a );
- BOOST_TEST( r == 1 );
- }
- {
- int r = boost::bind( fv1, _1 )( 1 );
- BOOST_TEST( r == 1 );
- }
- {
- int a = 1;
- int const b = 2;
- boost::bind( fv2_1, _1, _2 )( a, b );
- BOOST_TEST( a == 2 );
- }
- {
- int a = 1;
- boost::bind( fv2_1, _1, _2 )( a, 2 );
- BOOST_TEST( a == 2 );
- }
- {
- int const a = 1;
- int b = 2;
- boost::bind( fv2_2, _1, _2 )( a, b );
- BOOST_TEST( b == 1 );
- }
- {
- int b = 2;
- boost::bind( fv2_2, _1, _2 )( 1, b );
- BOOST_TEST( b == 1 );
- }
- {
- int const a = 1;
- int const b = 2;
- int r = boost::bind( fv2_3, _1, _2 )( a, b );
- BOOST_TEST( r == 3 );
- }
- {
- int const a = 1;
- int r = boost::bind( fv2_3, _1, _2 )( a, 2 );
- BOOST_TEST( r == 3 );
- }
- {
- int const b = 2;
- int r = boost::bind( fv2_3, _1, _2 )( 1, b );
- BOOST_TEST( r == 3 );
- }
- {
- int r = boost::bind( fv2_3, _1, _2 )( 1, 2 );
- BOOST_TEST( r == 3 );
- }
- }
- int main()
- {
- test();
- return boost::report_errors();
- }
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