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// { dg-do run { target c++11 } }
// Copyright (C) 2011-2019 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<alloc2<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();
}
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