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

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2011-2019 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // NB: This file is for testing memory with NO OTHER INCLUDES.
  21
  22 #include <scoped_allocator>
  23 #include <memory>
  24
  25 typedef short test_type;
  26
  27 template<typename T>
  28   struct minimal_allocator
  29   {
  30     typedef T value_type;
  31     minimal_allocator();
  32     template <typename U>
  33       minimal_allocator(const minimal_allocator<U>&);
  34     T* allocate(unsigned long);
  35     void deallocate(T*, unsigned long);
  36   };
  37
  38 namespace std
  39 {
  40   template struct scoped_allocator_adaptor<std::allocator<test_type>>;
  41
  42   template struct scoped_allocator_adaptor<minimal_allocator<test_type>>;
  43
  44   template struct scoped_allocator_adaptor<std::allocator<test_type>,
  45                                            minimal_allocator<test_type>>;
  46 }