libstdc++-v3/testsuite/30_threads/promise/members/set_value2.cc

   1 // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } }
   2 // { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* powerpc-ibm-aix* } }
   3 // { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
   4 // { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
   5 // { dg-require-cstdint "" }
   6 // { dg-require-gthreads "" }
   7 // { dg-require-atomic-builtins "" }
   8
   9 // Copyright (C) 2009-2014 Free Software Foundation, Inc.
  10 //
  11 // This file is part of the GNU ISO C++ Library.  This library is free
  12 // software; you can redistribute it and/or modify it under the
  13 // terms of the GNU General Public License as published by the
  14 // Free Software Foundation; either version 3, or (at your option)
  15 // any later version.
  16
  17 // This library is distributed in the hope that it will be useful,
  18 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 // GNU General Public License for more details.
  21
  22 // You should have received a copy of the GNU General Public License along
  23 // with this library; see the file COPYING3.  If not see
  24 // <http://www.gnu.org/licenses/>.
  25
  26
  27 #include <future>
  28 #include <testsuite_hooks.h>
  29
  30 void test01()
  31 {
  32   bool test = false;
  33
  34   std::promise<int> p1;
  35   std::future<int> f1 = p1.get_future();
  36
  37   p1.set_value(1);
  38
  39   try
  40   {
  41     p1.set_value(2);
  42     VERIFY( false );
  43   }
  44   catch (std::future_error& e)
  45   {
  46     VERIFY(e.code() ==
  47         std::make_error_code(std::future_errc::promise_already_satisfied));
  48     test = true;
  49   }
  50
  51   std::chrono::milliseconds delay(1);
  52   VERIFY( f1.wait_for(delay) == std::future_status::ready );
  53   VERIFY( f1.get() == 1 );
  54   VERIFY( test );
  55 }
  56
  57 void test02()
  58 {
  59   bool test = false;
  60
  61   std::promise<int> p1;
  62   std::future<int> f1 = p1.get_future();
  63
  64   p1.set_value(3);
  65
  66   try
  67   {
  68     p1.set_exception(std::make_exception_ptr(4));
  69     VERIFY( false );
  70   }
  71   catch (std::future_error& e)
  72   {
  73     VERIFY(e.code() ==
  74         std::make_error_code(std::future_errc::promise_already_satisfied));
  75     test = true;
  76   }
  77
  78   std::chrono::milliseconds delay(1);
  79   VERIFY( f1.wait_for(delay) == std::future_status::ready );
  80   VERIFY( f1.get() == 3 );
  81   VERIFY( test );
  82 }
  83
  84 int main()
  85 {
  86   test01();
  87   test02();
  88   return 0;
  89 }