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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/shared_future.hpp> | |
16 | ||
17 | // class shared_future<R> | |
18 | ||
19 | // const R& shared_future::get(); | |
20 | // R& shared_future<R&>::get(); | |
21 | // void shared_future<void>::get(); | |
22 | //#define BOOST_THREAD_VERSION 3 | |
23 | #define BOOST_THREAD_VERSION 4 | |
24 | ||
25 | #include <boost/thread/future.hpp> | |
26 | #include <boost/thread/thread.hpp> | |
27 | #include <boost/detail/lightweight_test.hpp> | |
28 | ||
29 | #if defined BOOST_THREAD_USES_CHRONO | |
30 | ||
31 | namespace boost | |
32 | { | |
33 | template <typename T> | |
34 | struct wrap | |
35 | { | |
36 | wrap(T const& v) : value(v){} | |
37 | T value; | |
38 | ||
39 | }; | |
40 | ||
41 | template <typename T> | |
42 | exception_ptr make_exception_ptr(T v) { | |
43 | return copy_exception(wrap<T>(v)); | |
44 | } | |
45 | } | |
46 | ||
47 | void func1(boost::promise<int> p) | |
48 | { | |
49 | boost::this_thread::sleep_for(boost::chrono::milliseconds(500)); | |
50 | p.set_value(3); | |
51 | } | |
52 | ||
53 | void func2(boost::promise<int> p) | |
54 | { | |
55 | boost::this_thread::sleep_for(boost::chrono::milliseconds(500)); | |
56 | p.set_exception(boost::make_exception_ptr(3)); | |
57 | } | |
58 | ||
59 | int j = 0; | |
60 | ||
61 | void func3(boost::promise<int&> p) | |
62 | { | |
63 | boost::this_thread::sleep_for(boost::chrono::milliseconds(500)); | |
64 | j = 5; | |
65 | p.set_value(j); | |
66 | } | |
67 | ||
68 | void func4(boost::promise<int&> p) | |
69 | { | |
70 | boost::this_thread::sleep_for(boost::chrono::milliseconds(500)); | |
71 | p.set_exception(boost::make_exception_ptr(3.5)); | |
72 | } | |
73 | ||
74 | void func5(boost::promise<void> p) | |
75 | { | |
76 | boost::this_thread::sleep_for(boost::chrono::milliseconds(500)); | |
77 | p.set_value(); | |
78 | } | |
79 | ||
80 | void func6(boost::promise<void> p) | |
81 | { | |
82 | boost::this_thread::sleep_for(boost::chrono::milliseconds(500)); | |
83 | p.set_exception(boost::make_exception_ptr(4)); | |
84 | } | |
85 | ||
86 | ||
87 | int main() | |
88 | { | |
89 | { | |
90 | typedef int T; | |
91 | { | |
92 | boost::promise<T> p; | |
93 | boost::shared_future<T> f((p.get_future())); | |
94 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
95 | boost::thread(func1, boost::move(p)).detach(); | |
96 | #else | |
97 | p.set_value(3); | |
98 | #endif | |
99 | BOOST_TEST(f.valid()); | |
100 | BOOST_TEST(f.get() == 3); | |
101 | BOOST_TEST(f.valid()); | |
102 | } | |
103 | { | |
104 | boost::promise<T> p; | |
105 | boost::shared_future<T> f((p.get_future())); | |
106 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
107 | boost::thread(func2, boost::move(p)).detach(); | |
108 | #else | |
109 | p.set_exception(boost::make_exception_ptr(3)); | |
110 | #endif | |
111 | try | |
112 | { | |
113 | BOOST_TEST(f.valid()); | |
114 | BOOST_TEST(f.get() == 3); | |
115 | BOOST_TEST(false); | |
116 | } | |
117 | catch (boost::wrap<int> const& i) | |
118 | { | |
119 | BOOST_TEST(i.value == 3); | |
120 | } | |
121 | catch (...) | |
122 | { | |
123 | BOOST_TEST(false); | |
124 | } | |
125 | BOOST_TEST(f.valid()); | |
126 | } | |
127 | } | |
128 | { | |
129 | typedef int& T; | |
130 | { | |
131 | boost::promise<T> p; | |
132 | boost::shared_future<T> f((p.get_future())); | |
133 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
134 | boost::thread(func3, boost::move(p)).detach(); | |
135 | #else | |
136 | int j=5; | |
137 | p.set_value(j); | |
138 | #endif | |
139 | BOOST_TEST(f.valid()); | |
140 | BOOST_TEST(f.get() == 5); | |
141 | BOOST_TEST(f.valid()); | |
142 | } | |
143 | { | |
144 | boost::promise<T> p; | |
145 | boost::shared_future<T> f((p.get_future())); | |
146 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
147 | boost::thread(func4, boost::move(p)).detach(); | |
148 | #else | |
149 | p.set_exception(boost::make_exception_ptr(3.5)); | |
150 | #endif | |
151 | try | |
152 | { | |
153 | BOOST_TEST(f.valid()); | |
154 | BOOST_TEST(f.get() == 3); | |
155 | BOOST_TEST(false); | |
156 | } | |
157 | catch (boost::wrap<double> const& i) | |
158 | { | |
159 | BOOST_TEST(i.value == 3.5); | |
160 | } | |
161 | BOOST_TEST(f.valid()); | |
162 | } | |
163 | } | |
164 | ||
165 | typedef void T; | |
166 | { | |
167 | boost::promise<T> p; | |
168 | boost::shared_future<T> f((p.get_future())); | |
169 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
170 | boost::thread(func5, boost::move(p)).detach(); | |
171 | #else | |
172 | p.set_value(); | |
173 | #endif | |
174 | BOOST_TEST(f.valid()); | |
175 | f.get(); | |
176 | BOOST_TEST(f.valid()); | |
177 | } | |
178 | { | |
179 | boost::promise<T> p; | |
180 | boost::shared_future<T> f((p.get_future())); | |
181 | #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) | |
182 | boost::thread(func6, boost::move(p)).detach(); | |
183 | #else | |
184 | p.set_exception(boost::make_exception_ptr(4)); | |
185 | #endif | |
186 | try | |
187 | { | |
188 | BOOST_TEST(f.valid()); | |
189 | f.get(); | |
190 | BOOST_TEST(false); | |
191 | } | |
192 | catch (boost::wrap<int> const& i) | |
193 | { | |
194 | BOOST_TEST(i.value == 4); | |
195 | } | |
196 | catch (...) | |
197 | { | |
198 | BOOST_TEST(false); | |
199 | } | |
200 | BOOST_TEST(f.valid()); | |
201 | } | |
202 | ||
203 | return boost::report_errors(); | |
204 | } | |
205 | ||
206 | #else | |
207 | #error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported" | |
208 | #endif |