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

   1 // { dg-do compile { target c++11 } }
   2 // { dg-require-effective-target hosted }
   3
   4 // Copyright (C) 2011-2024 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11 //
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 //
  22 // NB: This file is for testing memory with NO OTHER INCLUDES.
  23
  24 #include <memory>
  25
  26 template<typename T>
  27 void test01()
  28 {
  29   // Check for required typedefs
  30   typedef std::allocator_traits<T>                  test_type;
  31   typedef typename test_type::allocator_type        allocator_type;
  32   typedef typename test_type::value_type            value_type;
  33   typedef typename test_type::pointer               pointer;
  34   typedef typename test_type::const_pointer         const_pointer;
  35   typedef typename test_type::void_pointer          void_pointer;
  36   typedef typename test_type::const_void_pointer    const_void_pointer;
  37   typedef typename test_type::difference_type       difference_type;
  38   typedef typename test_type::size_type             size_type;
  39   typedef typename test_type::propagate_on_container_copy_assignment
  40     propagate_on_container_copy_assignment;
  41   typedef typename test_type::propagate_on_container_move_assignment
  42     propagate_on_container_move_assignment;
  43   typedef typename test_type::propagate_on_container_swap
  44     propagate_on_container_swap;
  45 }
  46
  47 struct S { };
  48
  49 int main()
  50 {
  51   test01<std::allocator<int>>();
  52   test01<std::allocator<S>>();
  53 }