test/std/utilities/memory/unique.ptr/unique.ptr.single/pointer_type.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     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>

// unique_ptr

// Test unique_ptr::pointer type

#include <memory>
#include <type_traits>

#include "test_macros.h"

struct Deleter
{
    struct pointer {};
};

struct D2 {
private:
    typedef void pointer;
};

struct D3 {
    static long pointer;
};

int main()
{
    {
    typedef std::unique_ptr<int> P;
    static_assert((std::is_same<P::pointer, int*>::value), "");
    }
    {
    typedef std::unique_ptr<int, Deleter> P;
    static_assert((std::is_same<P::pointer, Deleter::pointer>::value), "");
    }
#if TEST_STD_VER >= 11
    {
    typedef std::unique_ptr<int, D2> P;
    static_assert(std::is_same<P::pointer, int*>::value, "");
    }
    {
    typedef std::unique_ptr<int, D3> P;
    static_assert(std::is_same<P::pointer, int*>::value, "");
    }
#endif
}