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- //===----------------------------------------------------------------------===//
- //
- // 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 packaged_task<R>
- // void swap(packaged_task& other);
- #define BOOST_THREAD_VERSION 4
- #if BOOST_THREAD_VERSION == 4
- #define BOOST_THREAD_DETAIL_SIGNATURE double()
- #else
- #define BOOST_THREAD_DETAIL_SIGNATURE double
- #endif
- #include <boost/thread/future.hpp>
- #include <boost/detail/lightweight_test.hpp>
- class A
- {
- long data_;
- public:
- explicit A(long i) :
- data_(i)
- {
- }
- long operator()() const
- {
- return data_;
- }
- long operator()(long i, long j) const
- {
- return data_ + i + j;
- }
- };
- int main()
- {
- {
- boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p0(A(5));
- boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p;
- p.swap(p0);
- BOOST_TEST(!p0.valid());
- BOOST_TEST(p.valid());
- boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
- //p(3, 'a');
- p();
- BOOST_TEST(f.get() == 5.0);
- }
- {
- boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p0;
- boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p;
- p.swap(p0);
- BOOST_TEST(!p0.valid());
- BOOST_TEST(!p.valid());
- }
- return boost::report_errors();
- }
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