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 promise<R>
18 
19 // promise(promise&& rhs);
20 
21 #define BOOST_THREAD_VERSION 3
22 
23 #include <boost/thread/future.hpp>
24 #include <boost/detail/lightweight_test.hpp>
25 #if defined BOOST_THREAD_PROVIDES_FUTURE_CTOR_ALLOCATORS
26 #include "../test_allocator.hpp"
27 #endif
28 
29 boost::mutex m;
30 
main()31 int main()
32 {
33 #if defined BOOST_THREAD_PROVIDES_FUTURE_CTOR_ALLOCATORS
34   BOOST_TEST(test_alloc_base::count == 0);
35   {
36     boost::promise<int> p0(boost::allocator_arg, test_allocator<int>());
37     boost::promise<int> p(boost::move(p0));
38     BOOST_TEST(test_alloc_base::count == 1);
39     std::cout << __LINE__ << std::endl;
40     boost::future<int> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
41     std::cout << __LINE__ << std::endl;
42     BOOST_TEST(test_alloc_base::count == 1);
43     BOOST_TEST(f.valid());
44     std::cout << __LINE__ << std::endl;
45     try
46     {
47       f = BOOST_THREAD_MAKE_RV_REF(p0.get_future());
48       BOOST_TEST(false);
49     }
50     catch (const boost::future_error& e)
51     {
52       BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::no_state));
53     }
54     std::cout << __LINE__ << std::endl;
55     BOOST_TEST(test_alloc_base::count == 1);
56   }
57   std::cout << __LINE__ << std::endl;
58   BOOST_TEST(test_alloc_base::count == 0);
59   {
60     boost::promise<int&> p0(boost::allocator_arg, test_allocator<int>());
61     boost::promise<int&> p(boost::move(p0));
62     BOOST_TEST(test_alloc_base::count == 1);
63     boost::future<int&> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
64     BOOST_TEST(test_alloc_base::count == 1);
65     BOOST_TEST(f.valid());
66     try
67     {
68       f = BOOST_THREAD_MAKE_RV_REF(p0.get_future());
69       BOOST_TEST(false);
70     }
71     catch (const boost::future_error& e)
72     {
73       BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::no_state));
74     }
75     BOOST_TEST(test_alloc_base::count == 1);
76   }
77   BOOST_TEST(test_alloc_base::count == 0);
78   {
79     boost::promise<void> p0(boost::allocator_arg, test_allocator<void>());
80     boost::promise<void> p(boost::move(p0));
81     BOOST_TEST(test_alloc_base::count == 1);
82     boost::future<void> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
83     BOOST_TEST(test_alloc_base::count == 1);
84     BOOST_TEST(f.valid());
85     try
86     {
87       f = BOOST_THREAD_MAKE_RV_REF(p0.get_future());
88       BOOST_TEST(false);
89     }
90     catch (const boost::future_error& e)
91     {
92       BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::no_state));
93     }
94     BOOST_TEST(test_alloc_base::count == 1);
95   }
96   BOOST_TEST(test_alloc_base::count == 0);
97 #endif
98   {
99     boost::promise<int> p0;
100     boost::promise<int> p(boost::move(p0));
101     std::cout << __LINE__ << std::endl;
102     boost::future<int> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
103     std::cout << __LINE__ << std::endl;
104     BOOST_TEST(f.valid());
105     std::cout << __LINE__ << std::endl;
106     try
107     {
108       f = BOOST_THREAD_MAKE_RV_REF(p0.get_future());
109       BOOST_TEST(false);
110     }
111     catch (const boost::future_error& e)
112     {
113       BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::no_state));
114     }
115     std::cout << __LINE__ << std::endl;
116   }
117   std::cout << __LINE__ << std::endl;
118   {
119     boost::promise<int&> p0;
120     boost::promise<int&> p(boost::move(p0));
121     boost::future<int&> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
122     BOOST_TEST(f.valid());
123     try
124     {
125       f = BOOST_THREAD_MAKE_RV_REF(p0.get_future());
126       BOOST_TEST(false);
127     }
128     catch (const boost::future_error& e)
129     {
130       BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::no_state));
131     }
132   }
133   {
134     boost::promise<void> p0;
135     boost::promise<void> p(boost::move(p0));
136     boost::future<void> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
137     BOOST_TEST(f.valid());
138     try
139     {
140       f = BOOST_THREAD_MAKE_RV_REF(p0.get_future());
141       BOOST_TEST(false);
142     }
143     catch (const boost::future_error& e)
144     {
145       BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::no_state));
146     }
147   }
148 
149   return boost::report_errors();
150 }
151 
152