libstdc++-v3/testsuite/30_threads/promise/members/get_future2.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) 2009-2013 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 <system_error>
  29 #include <testsuite_hooks.h>
  30
  31 void test01()
  32 {
  33   bool test = false;
  34   using namespace std;
  35
  36   promise<int&> p1;
  37   p1.get_future();
  38
  39   try
  40   {
  41     p1.get_future();
  42     VERIFY( false );
  43   }
  44   catch (future_error& e)
  45   {
  46     VERIFY(e.code() == make_error_code(future_errc::future_already_retrieved));
  47     test = true;
  48   }
  49
  50   VERIFY( test );
  51 }
  52
  53 int main()
  54 {
  55   test01();
  56   return 0;
  57 }