libstdc++-v3/testsuite/30_threads/packaged_task/uses_allocator.cc

   1 // { dg-do compile { target { c++11_only || c++14_only } } }
   2 // { dg-require-gthreads "" }
   3
   4 // Copyright (C) 2011-2023 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 #include <future>
  23 #include <memory>
  24
  25 using std::uses_allocator;
  26 using std::allocator;
  27 using std::packaged_task;
  28 static_assert( uses_allocator<packaged_task<int()>, allocator<int>>::value,
  29                "packaged_task supports uses-allocator construction" );