libstdc++-v3/testsuite/30_threads/future/members/get2.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-gthreads "" }
   6
   7 // Copyright (C) 2009-2020 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
  25 #include <future>
  26 #include <exception>
  27 #include <testsuite_hooks.h>
  28
  29 int value = 99;
  30
  31 void test01()
  32 {
  33   std::promise<int> p1;
  34   std::future<int> f1(p1.get_future());
  35
  36   p1.set_exception(std::make_exception_ptr(value));
  37   try
  38   {
  39     (void) f1.get();
  40     VERIFY( false );
  41   }
  42   catch (int& e)
  43   {
  44     VERIFY( e == value );
  45   }
  46   VERIFY( !f1.valid() );
  47 }
  48
  49 void test02()
  50 {
  51   std::promise<int&> p1;
  52   std::future<int&> f1(p1.get_future());
  53
  54   p1.set_exception(std::make_exception_ptr(value));
  55   try
  56   {
  57     (void) f1.get();
  58     VERIFY( false );
  59   }
  60   catch (int& e)
  61   {
  62     VERIFY( e == value );
  63   }
  64   VERIFY( !f1.valid() );
  65 }
  66
  67 void test03()
  68 {
  69   std::promise<void> p1;
  70   std::future<void> f1(p1.get_future());
  71
  72   p1.set_exception(std::make_exception_ptr(value));
  73   try
  74   {
  75     f1.get();
  76     VERIFY( false );
  77   }
  78   catch (int& e)
  79   {
  80     VERIFY( e == value );
  81   }
  82   VERIFY( !f1.valid() );
  83 }
  84
  85 int main()
  86 {
  87   test01();
  88   test02();
  89   test03();
  90
  91   return 0;
  92 }