libstdc++-v3/testsuite/30_threads/future/members/get2.cc

   1 // { dg-do run }
   2 // { dg-additional-options "-pthread" { target pthread } }
   3 // { dg-require-effective-target c++11 }
   4 // { dg-require-gthreads "" }
   5
   6 // Copyright (C) 2009-2021 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23
  24 #include <future>
  25 #include <exception>
  26 #include <testsuite_hooks.h>
  27
  28 int value = 99;
  29
  30 void test01()
  31 {
  32   std::promise<int> p1;
  33   std::future<int> f1(p1.get_future());
  34
  35   p1.set_exception(std::make_exception_ptr(value));
  36   try
  37   {
  38     (void) f1.get();
  39     VERIFY( false );
  40   }
  41   catch (int& e)
  42   {
  43     VERIFY( e == value );
  44   }
  45   VERIFY( !f1.valid() );
  46 }
  47
  48 void test02()
  49 {
  50   std::promise<int&> p1;
  51   std::future<int&> f1(p1.get_future());
  52
  53   p1.set_exception(std::make_exception_ptr(value));
  54   try
  55   {
  56     (void) f1.get();
  57     VERIFY( false );
  58   }
  59   catch (int& e)
  60   {
  61     VERIFY( e == value );
  62   }
  63   VERIFY( !f1.valid() );
  64 }
  65
  66 void test03()
  67 {
  68   std::promise<void> p1;
  69   std::future<void> f1(p1.get_future());
  70
  71   p1.set_exception(std::make_exception_ptr(value));
  72   try
  73   {
  74     f1.get();
  75     VERIFY( false );
  76   }
  77   catch (int& e)
  78   {
  79     VERIFY( e == value );
  80   }
  81   VERIFY( !f1.valid() );
  82 }
  83
  84 int main()
  85 {
  86   test01();
  87   test02();
  88   test03();
  89
  90   return 0;
  91 }