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1 | // Copyright (C) 2015 Vicente Botet |
2 | // | |
3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
5 | ||
6 | #define BOOST_THREAD_VERSION 4 | |
7 | #include <boost/config.hpp> | |
8 | #if ! defined BOOST_NO_CXX11_DECLTYPE | |
9 | #define BOOST_RESULT_OF_USE_DECLTYPE | |
10 | #endif | |
11 | #define BOOST_THREAD_PROVIDES_EXECUTORS | |
12 | ||
13 | #include <boost/thread/future.hpp> | |
14 | #include <boost/static_assert.hpp> | |
15 | #include <cassert> | |
11fdf7f2 | 16 | #include <iostream> |
7c673cae FG |
17 | #include <boost/thread/executors/basic_thread_pool.hpp> |
18 | ||
19 | struct TestCallback | |
20 | { | |
21 | typedef boost::future<void> result_type; | |
22 | ||
23 | result_type operator()(boost::future<void> future) const | |
24 | { | |
25 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
26 | assert(future.is_ready()); | |
27 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
28 | future.wait(); | |
29 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
30 | return boost::make_ready_future(); | |
31 | } | |
32 | ||
33 | result_type operator()(boost::future<boost::future<void> > future) const | |
34 | { | |
35 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
36 | assert(future.is_ready()); | |
37 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
38 | assert(future.get().is_ready()); | |
39 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
40 | //boost::future<void> ff = future.get(); | |
41 | ||
42 | return boost::make_ready_future(); | |
43 | } | |
44 | result_type operator()(boost::shared_future<void> future) const | |
45 | { | |
46 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
47 | assert(future.is_ready()); | |
48 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
49 | future.wait(); | |
50 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
51 | return boost::make_ready_future(); | |
52 | } | |
53 | ||
54 | result_type operator()(boost::shared_future<boost::future<void> > future) const | |
55 | { | |
56 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
57 | assert(future.is_ready()); | |
58 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
59 | assert(future.get().is_ready()); | |
60 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
61 | //boost::future<void> ff = future.get(); | |
62 | ||
63 | return boost::make_ready_future(); | |
64 | } | |
65 | }; | |
66 | ||
67 | void p1() | |
68 | { | |
69 | } | |
70 | ||
71 | int main() | |
72 | { | |
73 | const int number_of_tests = 2; | |
74 | (void)(number_of_tests); | |
75 | ||
76 | #if ! defined BOOST_NO_CXX11_DECLTYPE && ! defined BOOST_NO_CXX11_AUTO_DECLARATIONS | |
77 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
78 | { | |
79 | auto f1 = boost::make_ready_future().then(TestCallback()); | |
80 | BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value); | |
81 | f1.wait(); | |
82 | } | |
83 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
84 | for (int i=0; i< number_of_tests; i++) | |
85 | { | |
86 | auto f1 = boost::make_ready_future().then(TestCallback()); | |
87 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
88 | BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value); | |
89 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
90 | auto f2 = f1.unwrap(); | |
91 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
92 | BOOST_STATIC_ASSERT(std::is_same<decltype(f2), boost::future<void> >::value); | |
93 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
94 | f2.wait(); | |
95 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
96 | } | |
97 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
98 | for (int i=0; i< number_of_tests; i++) | |
99 | { | |
100 | auto f1 = boost::make_ready_future().then(TestCallback()); | |
101 | BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value); | |
102 | boost::future<void> f2 = f1.get(); | |
103 | } | |
104 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
105 | { | |
106 | auto f1 = boost::make_ready_future().then(TestCallback()); | |
107 | BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value); | |
108 | auto f3 = f1.then(TestCallback()); | |
109 | BOOST_STATIC_ASSERT(std::is_same<decltype(f3), boost::future<boost::future<void> > >::value); | |
110 | f3.wait(); | |
111 | } | |
112 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
113 | for (int i=0; i< number_of_tests; i++) | |
114 | { | |
115 | auto f1 = boost::make_ready_future().then(TestCallback()); | |
116 | BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value); | |
117 | auto f2 = f1.unwrap(); | |
118 | BOOST_STATIC_ASSERT(std::is_same<decltype(f2), boost::future<void> >::value); | |
119 | auto f3 = f2.then(TestCallback()); | |
120 | BOOST_STATIC_ASSERT(std::is_same<decltype(f3), boost::future<boost::future<void> > >::value); | |
121 | f3.wait(); | |
122 | } | |
123 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
124 | for (int i=0; i< number_of_tests; i++) | |
125 | { | |
126 | boost::make_ready_future().then( | |
127 | TestCallback()).unwrap().then(TestCallback()).get(); | |
128 | } | |
129 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
130 | for (int i=0; i< number_of_tests; i++) | |
131 | { | |
132 | boost::future<void> f = boost::async(p1); | |
133 | f.then( | |
134 | TestCallback()).unwrap().then(TestCallback()).get(); | |
135 | } | |
136 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
137 | for (int i=0; i< number_of_tests; i++) | |
138 | { | |
139 | auto f1 = boost::make_ready_future().then(TestCallback()); | |
140 | BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value); | |
141 | auto f3 = f1.then(TestCallback()); | |
142 | BOOST_STATIC_ASSERT(std::is_same<decltype(f3), boost::future<boost::future<void> > >::value); | |
143 | f3.wait(); | |
144 | } | |
145 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
146 | for (int i=0; i< number_of_tests; i++) | |
147 | { | |
148 | boost::basic_thread_pool executor; | |
149 | auto f1 = boost::make_ready_future().then(executor, TestCallback()); | |
150 | BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value); | |
151 | auto f3 = f1.then(executor, TestCallback()); | |
152 | BOOST_STATIC_ASSERT(std::is_same<decltype(f3), boost::future<boost::future<void> > >::value); | |
153 | f3.wait(); | |
154 | } | |
155 | #if 1 | |
156 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
157 | // fixme | |
158 | for (int i=0; i< number_of_tests; i++) | |
159 | { | |
160 | boost::basic_thread_pool executor(2); | |
161 | ||
162 | auto f1 = boost::make_ready_future().then(executor, TestCallback()); | |
163 | BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value); | |
164 | std::cout << __FILE__ << "[" << __LINE__ << "] " << int(f1.valid()) << std::endl; | |
165 | auto f2 = f1.unwrap(); | |
166 | std::cout << __FILE__ << "[" << __LINE__ << "] " << int(f2.valid()) << std::endl; | |
167 | ||
168 | BOOST_STATIC_ASSERT(std::is_same<decltype(f2), boost::future<void> >::value); | |
169 | auto f3 = f2.then(executor, TestCallback()); | |
170 | BOOST_STATIC_ASSERT(std::is_same<decltype(f3), boost::future<boost::future<void> > >::value); | |
171 | f3.wait(); | |
172 | } | |
173 | #endif | |
174 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
175 | for (int i=0; i< number_of_tests; i++) | |
176 | { | |
177 | boost::basic_thread_pool executor; | |
178 | ||
179 | auto f1 = boost::make_ready_future().then(executor, TestCallback()); | |
180 | BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value); | |
181 | auto f2 = f1.unwrap(); | |
182 | BOOST_STATIC_ASSERT(std::is_same<decltype(f2), boost::future<void> >::value); | |
183 | auto f3 = f2.then(executor, TestCallback()); | |
184 | BOOST_STATIC_ASSERT(std::is_same<decltype(f3), boost::future<boost::future<void> > >::value); | |
185 | f3.wait(); | |
186 | } | |
187 | std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl; | |
188 | ||
189 | #endif | |
190 | return 0; | |
191 | } |