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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/bind.hpp>
#include <boost/core/lightweight_test.hpp>
using namespace boost::placeholders;
//
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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