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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// template <class Alloc>
// struct allocator_traits
// {
// typedef Alloc::const_pointer
// | pointer_traits<pointer>::rebind<const value_type>
// ...
// };
#include <memory>
#include <type_traits>
#include "test_macros.h"
template <class T>
struct Ptr {};
template <class T>
struct A
{
typedef T value_type;
typedef Ptr<T> pointer;
};
template <class T>
struct B
{
typedef T value_type;
};
template <class T>
struct CPtr {};
template <class T>
struct C
{
typedef T value_type;
typedef CPtr<T> pointer;
typedef CPtr<const T> const_pointer;
};
template <class T>
struct D {
typedef T value_type;
private:
typedef void const_pointer;
};
int main()
{
static_assert((std::is_same<std::allocator_traits<A<char> >::const_pointer, Ptr<const char> >::value), "");
static_assert((std::is_same<std::allocator_traits<B<char> >::const_pointer, const char*>::value), "");
static_assert((std::is_same<std::allocator_traits<C<char> >::const_pointer, CPtr<const char> >::value), "");
#if TEST_STD_VER >= 11
static_assert((std::is_same<std::allocator_traits<D<char> >::const_pointer, const char*>::value), "");
#endif
}
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