ceph/src/boost/libs/thread/test/sync/futures/promise/set_value_void_pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 // Copyright (C) 2011 Vicente J. Botet Escriba
  11 //
  12 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
  13 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  14
  15 // <boost/thread/future.hpp>
  16
  17 // class promise<R>
  18
  19 // void promise<void>::set_value();
  20
  21 #define BOOST_THREAD_VERSION 3
  22
  23 #include <boost/thread/future.hpp>
  24 #include <boost/detail/lightweight_test.hpp>
  25 #include <boost/static_assert.hpp>
  26
  27 struct A
  28 {
  29   A()
  30   {
  31   }
  32   A(const A&)
  33   {
  34     throw 10;
  35   }
  36 };
  37
  38 int main()
  39 {
  40
  41   {
  42     typedef void T;
  43     boost::promise<T> p;
  44     boost::future<T> f = p.get_future();
  45     p.set_value();
  46     f.get();
  47     try
  48     {
  49       p.set_value();
  50       BOOST_TEST(false);
  51     }
  52     catch (const boost::future_error& e)
  53     {
  54       BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::promise_already_satisfied));
  55     }
  56     catch (...)
  57     {
  58       BOOST_TEST(false);
  59     }
  60   }
  61   {
  62     typedef void T;
  63     boost::promise<T> p;
  64     boost::future<T> f = p.get_future();
  65     p.set_value_deferred();
  66     p.notify_deferred();
  67     f.get();
  68     try
  69     {
  70       p.set_value();
  71       BOOST_TEST(false);
  72     }
  73     catch (const boost::future_error& e)
  74     {
  75       BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::promise_already_satisfied));
  76     }
  77     catch (...)
  78     {
  79       BOOST_TEST(false);
  80     }
  81   }
  82   return boost::report_errors();
  83 }
  84