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// { dg-options "-std=gnu++0x" }

// { dg-do compile }

// Copyright (C) 2011 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 3, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

#include <memory>

#include <testsuite_hooks.h>

struct X { };

template<typename T>

struct alloc1

{

  typedef T value_type;

  int id;

};

template<typename T>

struct alloc2

{

  typedef T value_type;

  int id;

  alloc2 select_on_container_copy_construction() const

  { return alloc2{id+1}; }

};

void test01()

{

  typedef std::allocator_traits<alloc1<X>> traits_type;

  traits_type::allocator_type a{1};

  const traits_type::allocator_type& a2

    = traits_type::select_on_container_copy_construction(a);

  VERIFY( a2.id == a.id );

}

void test02()

{

  typedef std::allocator_traits<alloc1<X>> traits_type;

  traits_type::allocator_type a{1};

  const traits_type::allocator_type& a2

    = traits_type::select_on_container_copy_construction(a);

  VERIFY( a2.id != a.id );

}

int main()

{

  test01();

  test02();

}