libstdc++-v3/testsuite/30_threads/async/49668.cc

   1 // { dg-do run }
   2 // { dg-options "-pthread"  }
   3 // { dg-require-effective-target c++11 }
   4 // { dg-require-effective-target pthread }
   5 // { dg-require-cstdint "" }
   6 // { dg-require-gthreads "" }
   7
   8 // Copyright (C) 2011-2018 Free Software Foundation, Inc.
   9 //
  10 // This file is part of the GNU ISO C++ Library.  This library is free
  11 // software; you can redistribute it and/or modify it under the
  12 // terms of the GNU General Public License as published by the
  13 // Free Software Foundation; either version 3, or (at your option)
  14 // any later version.
  15
  16 // This library is distributed in the hope that it will be useful,
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 // GNU General Public License for more details.
  20
  21 // You should have received a copy of the GNU General Public License along
  22 // with this library; see the file COPYING3.  If not see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 #include <future>
  26 #include <functional>
  27 #include <testsuite_hooks.h>
  28
  29 struct moveable
  30 {
  31   moveable() = default;
  32   moveable(moveable&&) = default;
  33   moveable(const moveable&) = delete;
  34 };
  35
  36 using std::launch;
  37 namespace ph = std::placeholders;
  38
  39 typedef decltype(ph::_1) placeholder_type;
  40
  41 bool f(moveable, placeholder_type) { return true; }
  42
  43 void test01()
  44 {
  45   auto fut = std::async(launch::async, f, moveable(), ph::_1);
  46   bool test = fut.get();
  47   VERIFY( test );
  48 }
  49
  50 void test02()
  51 {
  52   auto fut = std::async(launch::deferred, f, moveable(), ph::_1);
  53   bool test = fut.get();
  54   VERIFY( test );
  55 }
  56
  57 int main()
  58 {
  59   test01();
  60   test02();
  61 }