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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 | // template <class R> | |
18 | // void | |
19 | // swap(packaged_task<R>& x, packaged_task<R>& y); | |
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: | |
36 | explicit A(long i) : data_(i) {} | |
37 | ||
38 | long operator()() const {return data_;} | |
39 | long operator()(long i, long j) const {return data_ + i + j;} | |
40 | }; | |
41 | ||
42 | int main() | |
43 | { | |
44 | { | |
45 | boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p0(A(5)); | |
46 | boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p; | |
47 | p.swap(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; | |
58 | p.swap(p0); | |
59 | BOOST_TEST(!p0.valid()); | |
60 | BOOST_TEST(!p.valid()); | |
61 | } | |
62 | ||
63 | } | |
64 |