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// <future>
16
17// class future<R>
18
19// future& operator=(future&& rhs);
20
21#define BOOST_THREAD_VERSION 3
22
23#include <boost/thread/future.hpp>
24#include <boost/detail/lightweight_test.hpp>
25
26boost::mutex m0;
27boost::mutex m1;
28
29int main()
30{
31 {
32 typedef int T;
33 boost::promise<T> p;
34 boost::future<T> f0 = BOOST_THREAD_MAKE_RV_REF(p.get_future());
35 boost::future<T> f;
36 f = boost::move(t&: f0);
37 BOOST_TEST(!f0.valid());
38 BOOST_TEST(f.valid());
39 }
40 {
41 typedef int T;
42 boost::future<T> f0;
43 boost::future<T> f;
44 f = boost::move(t&: f0);
45 BOOST_TEST(!f0.valid());
46 BOOST_TEST(!f.valid());
47 }
48 {
49 typedef int& T;
50 boost::promise<T> p;
51 boost::future<T> f0 = BOOST_THREAD_MAKE_RV_REF(p.get_future());
52 boost::future<T> f;
53 f = boost::move(t&: f0);
54 BOOST_TEST(!f0.valid());
55 BOOST_TEST(f.valid());
56 }
57 {
58 typedef int& T;
59 boost::future<T> f0;
60 boost::future<T> f;
61 f = boost::move(t&: f0);
62 BOOST_TEST(!f0.valid());
63 BOOST_TEST(!f.valid());
64 }
65 {
66 typedef void T;
67 boost::promise<T> p;
68 boost::future<T> f0 = BOOST_THREAD_MAKE_RV_REF(p.get_future());
69 boost::future<T> f;
70 f = boost::move(t&: f0);
71 BOOST_TEST(!f0.valid());
72 BOOST_TEST(f.valid());
73 }
74 {
75 typedef void T;
76 boost::future<T> f0;
77 boost::future<T> f;
78 f = boost::move(t&: f0);
79 BOOST_TEST(!f0.valid());
80 BOOST_TEST(!f.valid());
81 }
82
83
84 return boost::report_errors();
85
86}
87
88

source code of boost/libs/thread/test/sync/futures/future/move_assign_pass.cpp