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/*
Copyright 2018 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/align/aligned_allocator_adaptor.hpp>
template<class T>
class A {
public:
typedef T value_type;
typedef T* pointer;
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
template<class U>
struct rebind {
typedef A<U> other;
};
A(int state)
: state_(state) { }
template<class U>
A(const A<U>& other)
: state_(other.state()) { }
T* allocate(std::size_t size, const void* = 0) {
return static_cast<T*>(::operator new(sizeof(T) * size));
}
void deallocate(T* ptr, std::size_t) {
::operator delete(ptr);
}
int state() const {
return state_;
}
private:
int state_;
};
template<class T, class U>
inline bool
operator==(const A<T>& a, const A<U>& b)
{
return a.state() == b.state();
}
template<class T, class U>
inline bool
operator!=(const A<T>& a, const A<U>& b)
{
return !(a == b);
}
struct S;
struct V { };
void value_test()
{
boost::alignment::aligned_allocator_adaptor<A<S> > a(A<S>(1));
(void)a;
}
void rebind_test()
{
boost::alignment::aligned_allocator_adaptor<A<V> > a(A<V>(1));
boost::alignment::aligned_allocator_adaptor<A<V> >::rebind<S>::other r(a);
(void)r;
}
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