copy_assign_pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// Copyright (C) 2011 Vicente J. Botet Escriba
//
//  Distributed under the Boost Software License, Version 1.0. (See accompanying
//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

// <boost/thread/future.hpp>

// class shared_future<R>

// shared_future& operator=(const shared_future&);


#define BOOST_THREAD_VERSION 3
#include <boost/thread/future.hpp>
#include <boost/detail/lightweight_test.hpp>

int main()
{
  {
    typedef int T;
    boost::promise<T> p;
    boost::shared_future<T> f0((p.get_future()));
    boost::shared_future<T> f;
    f = f0;
    BOOST_TEST(f0.valid());
    BOOST_TEST(f.valid());

  }
  {
    typedef int T;
    boost::shared_future<T> f0;
    boost::shared_future<T> f;
    f = f0;
    BOOST_TEST(!f0.valid());
    BOOST_TEST(!f.valid());
  }
  {
    typedef int& T;
    boost::promise<T> p;
    boost::shared_future<T> f0((p.get_future()));
    boost::shared_future<T> f;
    f = f0;
    BOOST_TEST(f0.valid());
    BOOST_TEST(f.valid());
  }
  {
    typedef int& T;
    boost::shared_future<T> f0;
    boost::shared_future<T> f;
    f = f0;
    BOOST_TEST(!f0.valid());
    BOOST_TEST(!f.valid());
  }
  {
    typedef void T;
    boost::promise<T> p;
    boost::shared_future<T> f0((p.get_future()));
    boost::shared_future<T> f;
    f = f0;
    BOOST_TEST(f0.valid());
    BOOST_TEST(f.valid());
  }
  {
    typedef void T;
    boost::shared_future<T> f0;
    boost::shared_future<T> f;
    f = f0;
    BOOST_TEST(!f0.valid());
    BOOST_TEST(!f.valid());
  }

  return boost::report_errors();
}

//#include "../../../remove_error_code_unused_warning.hpp"