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/*
Copyright 2017 Glen Joseph Fernandes
(glenjofe@gmail.com)
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/core/pointer_traits.hpp>
#include <boost/core/lightweight_test.hpp>
template<class T>
class pointer {
public:
typedef typename boost::pointer_traits<T>::element_type element_type;
pointer(T value)
: value_(value) { }
T get() const BOOST_NOEXCEPT {
return value_;
}
static pointer<T> pointer_to(element_type& value) {
return pointer<T>(&value);
}
private:
T value_;
};
template<class T>
inline bool
operator==(const pointer<T>& lhs, const pointer<T>& rhs) BOOST_NOEXCEPT
{
return lhs.get() == rhs.get();
}
int main()
{
int i = 0;
{
typedef int* type;
type p = &i;
BOOST_TEST(boost::pointer_traits<type>::pointer_to(i) == p);
}
{
typedef pointer<int*> type;
type p(&i);
BOOST_TEST(boost::pointer_traits<type>::pointer_to(i) == p);
}
{
typedef pointer<pointer<int*> > type;
type p(&i);
BOOST_TEST(boost::pointer_traits<type>::pointer_to(i) == p);
}
{
typedef const int* type;
type p = &i;
BOOST_TEST(boost::pointer_traits<type>::pointer_to(i) == p);
}
{
typedef pointer<const int*> type;
type p(&i);
BOOST_TEST(boost::pointer_traits<type>::pointer_to(i) == p);
}
return boost::report_errors();
}
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