ceph/src/boost/libs/thread/test/sync/futures/future/move_assign_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& operator=(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 m0;
  27 boost::mutex m1;
  28
  29 int main()
  30 {
  31   {
  32       typedef int T;
  33       boost::promise<T> p;
  34       boost::future<T> f0 = BOOST_THREAD_MAKE_RV_REF(p.get_future());
  35       boost::future<T> f;
  36       f = boost::move(f0);
  37       BOOST_TEST(!f0.valid());
  38       BOOST_TEST(f.valid());
  39   }
  40   {
  41       typedef int T;
  42       boost::future<T> f0;
  43       boost::future<T> f;
  44       f = boost::move(f0);
  45       BOOST_TEST(!f0.valid());
  46       BOOST_TEST(!f.valid());
  47   }
  48   {
  49       typedef int& T;
  50       boost::promise<T> p;
  51       boost::future<T> f0 = BOOST_THREAD_MAKE_RV_REF(p.get_future());
  52       boost::future<T> f;
  53       f = boost::move(f0);
  54       BOOST_TEST(!f0.valid());
  55       BOOST_TEST(f.valid());
  56   }
  57   {
  58       typedef int& T;
  59       boost::future<T> f0;
  60       boost::future<T> f;
  61       f = boost::move(f0);
  62       BOOST_TEST(!f0.valid());
  63       BOOST_TEST(!f.valid());
  64   }
  65   {
  66       typedef void T;
  67       boost::promise<T> p;
  68       boost::future<T> f0 = BOOST_THREAD_MAKE_RV_REF(p.get_future());
  69       boost::future<T> f;
  70       f = boost::move(f0);
  71       BOOST_TEST(!f0.valid());
  72       BOOST_TEST(f.valid());
  73   }
  74   {
  75       typedef void T;
  76       boost::future<T> f0;
  77       boost::future<T> f;
  78       f = boost::move(f0);
  79       BOOST_TEST(!f0.valid());
  80       BOOST_TEST(!f.valid());
  81   }
  82
  83
  84   return boost::report_errors();
  85
  86 }
  87