libs/utility/addressof_test.cpp
// Copyright (C) 2002 Brad King (brad.king@kitware.com)
// Douglas Gregor (gregod@cs.rpi.edu)
//
// 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)
// For more information, see http://www.boost.org
#include <boost/utility/addressof.hpp>
#if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
#pragma warning(push, 3)
#endif
#include <iostream>
#if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
#pragma warning(pop)
#endif
#include <boost/detail/lightweight_test.hpp>
template<class T> void scalar_test( T * = 0 )
{
T* px = new T();
T& x = *px;
BOOST_TEST( boost::addressof(x) == px );
const T& cx = *px;
const T* pcx = boost::addressof(cx);
BOOST_TEST( pcx == px );
volatile T& vx = *px;
volatile T* pvx = boost::addressof(vx);
BOOST_TEST( pvx == px );
const volatile T& cvx = *px;
const volatile T* pcvx = boost::addressof(cvx);
BOOST_TEST( pcvx == px );
delete px;
}
template<class T> void array_test( T * = 0 )
{
T nrg[3] = {1,2,3};
T (*pnrg)[3] = &nrg;
BOOST_TEST( boost::addressof(nrg) == pnrg );
T const cnrg[3] = {1,2,3};
T const (*pcnrg)[3] = &cnrg;
BOOST_TEST( boost::addressof(cnrg) == pcnrg );
}
struct addressable
{
addressable( int = 0 )
{
}
};
struct useless_type {};
class nonaddressable {
public:
nonaddressable( int = 0 )
{
}
void dummy(); // Silence GCC warning: all member of class are private
private:
useless_type operator&() const;
};
int main()
{
scalar_test<char>();
scalar_test<int>();
scalar_test<addressable>();
scalar_test<nonaddressable>();
array_test<char>();
array_test<int>();
array_test<addressable>();
array_test<nonaddressable>();
return boost::report_errors();
}