libstdc++-v3/testsuite/23_containers/deque/allocator/move-2.cc

   1 // Copyright (C) 2014 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-options "-std=gnu++11" }
  19 // { dg-do compile }
  20
  21 #include <deque>
  22
  23 template<typename T>
  24 struct Alloc
  25 {
  26   using value_type = T;
  27
  28   Alloc() = default;
  29
  30   template<typename U>
  31     Alloc(const Alloc<U>&) { }
  32
  33   Alloc& operator=(const Alloc&) = delete;
  34
  35   T* allocate(std::size_t n)
  36   { return std::allocator<T>{}.allocate(n); }
  37
  38   void deallocate(T* p, std::size_t n)
  39   { std::allocator<T>{}.deallocate(p, n); }
  40 };
  41
  42 template<typename T>
  43 bool operator==(const Alloc<T>&, const Alloc<T>&) { return true; }
  44
  45 template<typename T>
  46 bool operator!=(const Alloc<T>&, const Alloc<T>&) { return false; }
  47
  48 void
  49 test01()
  50 {
  51   std::deque<int, Alloc<int>> d;
  52   auto d2 = std::move(d);
  53 }