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bind/test/mem_fn_dm_test.cpp
2024-01-04 18:44:49 +02:00

85 lines
2.0 KiB
C++

#include <boost/config.hpp>
#if defined(BOOST_MSVC)
#pragma warning(disable: 4786) // identifier truncated in debug info
#pragma warning(disable: 4710) // function not inlined
#pragma warning(disable: 4711) // function selected for automatic inline expansion
#pragma warning(disable: 4514) // unreferenced inline removed
#endif
//
// mem_fn_dm_test.cpp - data members
//
// Copyright 2005, 2024 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/mem_fn.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/core/ref.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/config/workaround.hpp>
struct X
{
int m;
};
int main()
{
X x = { 0 };
boost::mem_fn( &X::m )( x ) = 401;
BOOST_TEST( x.m == 401 );
BOOST_TEST( boost::mem_fn( &X::m )( x ) == 401 );
boost::mem_fn( &X::m )( &x ) = 502;
BOOST_TEST( x.m == 502 );
BOOST_TEST( boost::mem_fn( &X::m )( &x ) == 502 );
X * px = &x;
boost::mem_fn( &X::m )( px ) = 603;
BOOST_TEST( x.m == 603 );
BOOST_TEST( boost::mem_fn( &X::m )( px ) == 603 );
X const & cx = x;
X const * pcx = &x;
BOOST_TEST( boost::mem_fn( &X::m )( cx ) == 603 );
BOOST_TEST( boost::mem_fn( &X::m )( pcx ) == 603 );
BOOST_TEST_EQ( boost::mem_fn( &X::m )( boost::ref( x ) ), 603 );
BOOST_TEST_EQ( boost::mem_fn( &X::m )( boost::cref( x ) ), 603 );
#if !BOOST_WORKAROUND(BOOST_MSVC, < 1900)
boost::mem_fn( &X::m )( boost::ref( x ) ) = 704;
BOOST_TEST_EQ( x.m, 704 );
#endif
boost::shared_ptr<X> sp( new X() );
boost::shared_ptr<X const> csp( sp );
sp->m = 805;
BOOST_TEST_EQ( boost::mem_fn( &X::m )( sp ), 805 );
BOOST_TEST_EQ( boost::mem_fn( &X::m )( csp ), 805 );
#if !BOOST_WORKAROUND(BOOST_MSVC, < 1900)
boost::mem_fn( &X::m )( sp ) = 906;
BOOST_TEST_EQ( sp->m, 906 );
#endif
return boost::report_errors();
}