libstdc++-v3/testsuite/20_util/scoped_allocator/requirements/typedefs.cc

// { dg-do compile { target c++11 } }
//
// Copyright (C) 2011-2023 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/>.

// 
// NB: This file is for testing scoped_allocator with NO OTHER INCLUDES.

#include <scoped_allocator>

template<typename T>
  struct minimal_allocator
  {
    typedef T value_type;
    minimal_allocator();
    template <typename U>
      minimal_allocator(const minimal_allocator<U>&);
    T* allocate(unsigned long);
    void deallocate(T*, unsigned long);
  };

struct S
{
  typedef minimal_allocator<short> allocator_type;
  S(const allocator_type&);
};

void test01()
{
  typedef minimal_allocator<S>                      outer_type;
  typedef minimal_allocator<S::allocator_type>      inner_type;
  typedef std::scoped_allocator_adaptor<outer_type, inner_type> test_type;

  // Check for required typedefs
  typedef typename test_type::outer_allocator_type  outer_allocator_type;
  typedef typename test_type::inner_allocator_type  inner_allocator_type;
  typedef typename test_type::value_type            value_type;
  typedef typename test_type::size_type             size_type;
  typedef typename test_type::difference_type       difference_type;
  typedef typename test_type::pointer               pointer;
  typedef typename test_type::const_pointer         const_pointer;
  typedef typename test_type::void_pointer          void_pointer;
  typedef typename test_type::const_void_pointer    const_void_pointer;
  typedef typename test_type::propagate_on_container_copy_assignment
    propagate_on_container_copy_assignment;
  typedef typename test_type::propagate_on_container_move_assignment
    propagate_on_container_move_assignment;
  typedef typename test_type::propagate_on_container_swap
    propagate_on_container_swap;
}