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thread/test/sync/futures/shared_future/copy_assign_pass.cpp
Andrey Semashev ee609e8806 Cleanup header includes.
1. Make inclusion of boost/bind/bind.hpp conditional in some cases, when the
   code actually conditionally uses boost::bind. Reduces compile-time overhead
   and fixes https://github.com/boostorg/thread/issues/307.

2. Remove some unnecessary uses of boost::ref. This allows to avoid including
   boost/core/ref.hpp in a few places, and avoids the associated template
   instantiation overhead in others.

3. Replace deprecated header includes with the more recent alternatives. For
   example: boost/detail/lightweight_test.hpp -> boost/core/lightweight_test.hpp,
   boost/ref.hpp -> boost/core/ref.hpp.

4. Replace some blanket includes with the more fine-grained ones. For example,
   boost/utility.hpp, boost/atomic.hpp. This reduces compile time overhead.

5. Add some missing includes, for example, boost/core/ref.hpp and
   boost/type_traits/is_same.hpp.

6. Replace uses of std::is_same with boost::is_same (with the corresponding
   included header) since the standard type_traits header presence and validity
   is not tested by the code. Using boost::is_same makes the code more portable.
2020-04-05 01:51:58 +03:00

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1.9 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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/core/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"