ceph/src/boost/libs/thread/test/sync/futures/promise/default_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 // promise();
  20
  21 #define BOOST_THREAD_VERSION 3
  22
  23 #include <boost/thread/future.hpp>
  24 #include <boost/detail/lightweight_test.hpp>
  25
  26 int main()
  27 {
  28
  29   {
  30       boost::promise<int> p;
  31       boost::future<int> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
  32       BOOST_TEST(f.valid());
  33   }
  34   {
  35       boost::promise<int&> p;
  36       boost::future<int&> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
  37       BOOST_TEST(f.valid());
  38   }
  39   {
  40       boost::promise<void> p;
  41       boost::future<void> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
  42       BOOST_TEST(f.valid());
  43   }
  44
  45   return boost::report_errors();
  46 }
  47