libstdc++-v3/testsuite/30_threads/promise/cons/alloc2.cc

   1 // { dg-do compile }
   2 // { dg-options "-std=gnu++0x" }
   3 // { dg-require-cstdint "" }
   4 // { dg-require-gthreads "" }
   5 // { dg-require-atomic-builtins "" }
   6
   7 // Copyright (C) 2011-2013 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 // Test that promise can be default-constructed or move-constructed
  25 // in a context that does uses-allocator construction.
  26
  27 #include <future>
  28 #include <memory>
  29 #include <tuple>
  30
  31 using std::promise;
  32 using std::allocator_arg;
  33 using std::allocator;
  34 using std::tuple;
  35
  36 typedef promise<int>  p;
  37 typedef promise<int&> pr;
  38 typedef promise<void> pv;
  39 allocator<p> a;
  40
  41 tuple<p, pr, pv> t1{ allocator_arg, a };
  42 tuple<p, pr, pv> t2{ allocator_arg, a, p{}, pr{}, pv{} };