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 // <boost/thread/future.hpp>
16 
17 // class packaged_task<R>
18 
19 // packaged_task(packaged_task&& other);
20 
21 #define BOOST_THREAD_VERSION 4
22 #if BOOST_THREAD_VERSION == 4
23 #define BOOST_THREAD_DETAIL_SIGNATURE double()
24 #else
25 #define BOOST_THREAD_DETAIL_SIGNATURE double
26 #endif
27 
28 #include <boost/thread/future.hpp>
29 #include <boost/detail/lightweight_test.hpp>
30 
31 class A
32 {
33     long data_;
34 
35 public:
A(long i)36     explicit A(long i) : data_(i) {}
37 
operator ()() const38     long operator()() const {return data_;}
operator ()(long i,long j) const39     long operator()(long i, long j) const {return data_ + i + j;}
40 };
41 
42 
main()43 int main()
44 {
45   {
46     boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p0(A(5));
47     boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p = boost::move(p0);
48     BOOST_TEST(!p0.valid());
49     BOOST_TEST(p.valid());
50     boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
51     //p(3, 'a');
52     p();
53     BOOST_TEST(f.get() == 5.0);
54   }
55   {
56     boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p0;
57     boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p = boost::move(p0);
58     BOOST_TEST(!p0.valid());
59     BOOST_TEST(!p.valid());
60   }
61 
62   return boost::report_errors();
63 }
64 
65