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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 | // class future<R> | |
18 | ||
19 | // const R& future::get(); | |
20 | // R& future<R&>::get(); | |
21 | // void future<void>::get(); | |
22 | ||
23 | //#define BOOST_THREAD_VERSION 3 | |
24 | #define BOOST_THREAD_VERSION 4 | |
25 | //#define BOOST_THREAD_USES_LOG | |
26 | #define BOOST_THREAD_USES_LOG_THREAD_ID | |
27 | #include <boost/thread/detail/log.hpp> | |
28 | ||
29 | #include <boost/thread/future.hpp> | |
30 | #include <boost/thread/thread.hpp> | |
31 | #include <boost/detail/lightweight_test.hpp> | |
32 | ||
33 | #if defined BOOST_THREAD_USES_CHRONO | |
34 | ||
35 | #ifdef BOOST_MSVC | |
36 | #pragma warning(disable: 4127) // conditional expression is constant | |
37 | #endif | |
38 | ||
39 | namespace boost | |
40 | { | |
41 | template <typename T> | |
42 | struct wrap | |
43 | { | |
44 | wrap(T const& v) : value(v){} | |
45 | T value; | |
46 | ||
47 | }; | |
48 | ||
49 | template <typename T> | |
50 | exception_ptr make_exception_ptr(T v) { | |
51 | return copy_exception(wrap<T>(v)); | |
52 | } | |
53 | } | |
54 | ||
55 | void func1(boost::promise<int> p) | |
56 | { | |
57 | boost::this_thread::sleep_for(boost::chrono::milliseconds(500)); | |
58 | p.set_value(3); | |
59 | } | |
60 | ||
61 | void func2(boost::promise<int> p) | |
62 | { | |
63 | boost::this_thread::sleep_for(boost::chrono::milliseconds(500)); | |
64 | p.set_exception(boost::make_exception_ptr(3)); | |
65 | } | |
66 | ||
67 | int j = 0; | |
68 | ||
69 | void func3(boost::promise<int&> p) | |
70 | { | |
71 | boost::this_thread::sleep_for(boost::chrono::milliseconds(500)); | |
72 | j = 5; | |
73 | p.set_value(j); | |
74 | } | |
75 | ||
76 | void func4(boost::promise<int&> p) | |
77 | { | |
78 | boost::this_thread::sleep_for(boost::chrono::milliseconds(500)); | |
79 | p.set_exception(boost::make_exception_ptr(3.5)); | |
80 | } | |
81 | ||
82 | void func5(boost::promise<void> p) | |
83 | { | |
84 | boost::this_thread::sleep_for(boost::chrono::milliseconds(500)); | |
85 | p.set_value(); | |
86 | } | |
87 | ||
88 | void func6(boost::promise<void> p) | |
89 | { | |
90 | boost::this_thread::sleep_for(boost::chrono::milliseconds(500)); | |
91 | p.set_exception(boost::make_exception_ptr(4)); | |
92 | } | |
93 | ||
94 | ||
95 | int main() | |
96 | { | |
97 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
98 | { | |
99 | typedef int T; | |
100 | { | |
101 | boost::promise<T> p; | |
102 | boost::future<T> f = p.get_future(); | |
103 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
104 | boost::thread(func1, boost::move(p)).detach(); | |
105 | #else | |
106 | p.set_value(3); | |
107 | #endif | |
108 | BOOST_TEST(f.valid()); | |
109 | BOOST_TEST(f.get() == 3); | |
110 | #ifdef BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET | |
111 | BOOST_TEST(!f.valid()); | |
112 | #endif | |
113 | } | |
114 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
115 | { | |
116 | boost::promise<T> p; | |
117 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
118 | boost::future<T> f = p.get_future(); | |
119 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
120 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
121 | boost::thread(func2, boost::move(p)).detach(); | |
122 | #else | |
123 | p.set_exception(boost::make_exception_ptr(3)); | |
124 | #endif | |
125 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
126 | try | |
127 | { | |
128 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
129 | BOOST_TEST(f.valid()); | |
130 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
131 | BOOST_TEST(f.get() == 3); | |
132 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
133 | BOOST_TEST(false); | |
134 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
135 | } | |
136 | catch (boost::wrap<int> const& i) | |
137 | { | |
138 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
139 | BOOST_TEST(i.value == 3); | |
140 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
141 | } | |
142 | catch (...) | |
143 | { | |
144 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
145 | BOOST_TEST(false); | |
146 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
147 | } | |
148 | #ifdef BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET | |
149 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
150 | BOOST_TEST(!f.valid()); | |
151 | #endif | |
152 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
153 | } | |
154 | } | |
155 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
156 | { | |
157 | typedef int& T; | |
158 | { | |
159 | boost::promise<T> p; | |
160 | boost::future<T> f = p.get_future(); | |
161 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
162 | boost::thread(func3, boost::move(p)).detach(); | |
163 | #else | |
164 | int j=5; | |
165 | p.set_value(j); | |
166 | #endif | |
167 | BOOST_TEST(f.valid()); | |
168 | BOOST_TEST(f.get() == 5); | |
169 | #ifdef BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET | |
170 | BOOST_TEST(!f.valid()); | |
171 | #endif | |
172 | } | |
173 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
174 | { | |
175 | boost::promise<T> p; | |
176 | boost::future<T> f = p.get_future(); | |
177 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
178 | boost::thread(func4, boost::move(p)).detach(); | |
179 | #else | |
180 | p.set_exception(boost::make_exception_ptr(3.5)); | |
181 | #endif | |
182 | try | |
183 | { | |
184 | BOOST_TEST(f.valid()); | |
185 | BOOST_TEST(f.get() == 3); | |
186 | BOOST_TEST(false); | |
187 | } | |
188 | catch (boost::wrap<double> const& i) | |
189 | { | |
190 | BOOST_TEST(i.value == 3.5); | |
191 | } | |
192 | #ifdef BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET | |
193 | BOOST_TEST(!f.valid()); | |
194 | #endif | |
195 | } | |
196 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
197 | { | |
198 | boost::promise<T> p; | |
199 | boost::future<T> f = p.get_future(); | |
200 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
201 | boost::thread(func4, boost::move(p)).detach(); | |
202 | #else | |
203 | p.set_exception(boost::make_exception_ptr(3.5)); | |
204 | #endif | |
205 | try | |
206 | { | |
207 | BOOST_TEST(f.valid()); | |
208 | boost::exception_ptr ptr = f.get_exception_ptr(); | |
209 | } | |
210 | catch (...) | |
211 | { | |
212 | BOOST_TEST(false); | |
213 | } | |
214 | BOOST_TEST(f.valid()); | |
215 | } | |
216 | } | |
217 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
218 | ||
219 | typedef void T; | |
220 | { | |
221 | boost::promise<T> p; | |
222 | boost::future<T> f = p.get_future(); | |
223 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
224 | boost::thread(func5, boost::move(p)).detach(); | |
225 | #else | |
226 | p.set_value(); | |
227 | #endif | |
228 | BOOST_TEST(f.valid()); | |
229 | f.get(); | |
230 | #ifdef BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET | |
231 | BOOST_TEST(!f.valid()); | |
232 | #endif | |
233 | } | |
234 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
235 | { | |
236 | boost::promise<T> p; | |
237 | boost::future<T> f = p.get_future(); | |
238 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
239 | boost::thread(func6, boost::move(p)).detach(); | |
240 | #else | |
241 | p.set_exception(boost::make_exception_ptr(4)); | |
242 | #endif | |
243 | try | |
244 | { | |
245 | BOOST_TEST(f.valid()); | |
246 | f.get(); | |
247 | BOOST_TEST(false); | |
248 | } | |
249 | catch (boost::wrap<int> const& i) | |
250 | { | |
251 | BOOST_TEST(i.value == 4); | |
252 | } | |
253 | catch (...) | |
254 | { | |
255 | BOOST_TEST(false); | |
256 | } | |
257 | #ifdef BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET | |
258 | BOOST_TEST(!f.valid()); | |
259 | #endif | |
260 | } | |
261 | BOOST_THREAD_LOG << BOOST_THREAD_END_LOG; | |
262 | ||
263 | return boost::report_errors(); | |
264 | } | |
265 | ||
266 | #else | |
267 | #error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported" | |
268 | #endif |