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

   1 // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-rtems* *-*-darwin* powerpc-ibm-aix* } }
   2 // { dg-options "-pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* powerpc-ibm-aix* } }
   3 // { dg-require-effective-target c++11 }
   4 // { dg-require-cstdint "" }
   5 // { dg-require-gthreads "" }
   6 // { dg-require-atomic-builtins "" }
   7
   8 // Copyright (C) 2009-2017 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
  26 #include <future>
  27 #include <exception>
  28 #include <testsuite_hooks.h>
  29
  30 int value = 99;
  31
  32 void test01()
  33 {
  34   std::promise<int> p1;
  35   std::shared_future<int> f1(p1.get_future());
  36   std::shared_future<int> f2(f1);
  37
  38   p1.set_exception(std::make_exception_ptr(value));
  39   try
  40   {
  41     (void) f1.get();
  42     VERIFY( false );
  43   }
  44   catch (int& e)
  45   {
  46     VERIFY( e == value );
  47   }
  48   try
  49   {
  50     (void) f2.get();
  51     VERIFY( false );
  52   }
  53   catch (int& e)
  54   {
  55     VERIFY( e == value );
  56   }
  57 }
  58
  59 void test02()
  60 {
  61   std::promise<int&> p1;
  62   std::shared_future<int&> f1(p1.get_future());
  63   std::shared_future<int&> f2(f1);
  64
  65   p1.set_exception(std::make_exception_ptr(value));
  66   try
  67   {
  68     (void) f1.get();
  69     VERIFY( false );
  70   }
  71   catch (int& e)
  72   {
  73     VERIFY( e == value );
  74   }
  75   try
  76   {
  77     (void) f2.get();
  78     VERIFY( false );
  79   }
  80   catch (int& e)
  81   {
  82     VERIFY( e == value );
  83   }
  84 }
  85
  86 void test03()
  87 {
  88   std::promise<void> p1;
  89   std::shared_future<void> f1(p1.get_future());
  90   std::shared_future<void> f2(f1);
  91
  92   p1.set_exception(std::make_exception_ptr(value));
  93   try
  94   {
  95     f1.get();
  96     VERIFY( false );
  97   }
  98   catch (int& e)
  99   {
 100     VERIFY( e == value );
 101   }
 102   try
 103   {
 104     f2.get();
 105     VERIFY( false );
 106   }
 107   catch (int& e)
 108   {
 109     VERIFY( e == value );
 110   }
 111 }
 112
 113 int main()
 114 {
 115   test01();
 116   test02();
 117   test03();
 118
 119   return 0;
 120 }