ceph/src/boost/libs/thread/test/sync/futures/future/move_ctor_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 // <future>
  16
  17 // class future<R>
  18
  19 // future(future&& rhs);
  20
  21 #define BOOST_THREAD_VERSION 3
  22
  23 #include <boost/thread/future.hpp>
  24 #include <boost/detail/lightweight_test.hpp>
  25
  26 boost::mutex m;
  27
  28 int main()
  29 {
  30   {
  31       typedef int T;
  32       boost::promise<T> p;
  33       boost::future<T> f0 = BOOST_THREAD_MAKE_RV_REF(p.get_future());
  34       boost::future<T> f = boost::move(f0);
  35       BOOST_TEST(!f0.valid());
  36       BOOST_TEST(f.valid());
  37   }
  38   {
  39       typedef int T;
  40       boost::future<T> f0;
  41       boost::future<T> f = boost::move(f0);
  42       BOOST_TEST(!f0.valid());
  43       BOOST_TEST(!f.valid());
  44   }
  45   {
  46       typedef int& T;
  47       boost::promise<T> p;
  48       boost::future<T> f0 = BOOST_THREAD_MAKE_RV_REF(p.get_future());
  49       boost::future<T> f = boost::move(f0);
  50       BOOST_TEST(!f0.valid());
  51       BOOST_TEST(f.valid());
  52   }
  53   {
  54       typedef int& T;
  55       boost::future<T> f0;
  56       boost::future<T> f = boost::move(f0);
  57       BOOST_TEST(!f0.valid());
  58       BOOST_TEST(!f.valid());
  59   }
  60   {
  61       typedef void T;
  62       boost::promise<T> p;
  63       boost::future<T> f0 = BOOST_THREAD_MAKE_RV_REF(p.get_future());
  64       boost::future<T> f = boost::move(f0);
  65       BOOST_TEST(!f0.valid());
  66       BOOST_TEST(f.valid());
  67   }
  68   {
  69       typedef void T;
  70       boost::future<T> f0;
  71       boost::future<T> f = boost::move(f0);
  72       BOOST_TEST(!f0.valid());
  73       BOOST_TEST(!f.valid());
  74   }
  75
  76   return boost::report_errors();
  77 }
  78