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

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-do compile }
   3
   4 // Copyright (C) 2011-2014 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 // NB: This file is for testing memory with NO OTHER INCLUDES.
  22
  23 #include <scoped_allocator>
  24 #include <memory>
  25
  26 typedef short test_type;
  27
  28 template<typename T>
  29   struct minimal_allocator
  30   {
  31     typedef T value_type;
  32     minimal_allocator();
  33     template <typename U>
  34       minimal_allocator(const minimal_allocator<U>&);
  35     T* allocate(unsigned long);
  36     void deallocate(T*, unsigned long);
  37   };
  38
  39 namespace std
  40 {
  41   template struct scoped_allocator_adaptor<std::allocator<test_type>>;
  42
  43   template struct scoped_allocator_adaptor<minimal_allocator<test_type>>;
  44
  45   template struct scoped_allocator_adaptor<std::allocator<test_type>,
  46                                            minimal_allocator<test_type>>;
  47 }