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 packaged_task<R>
18
19 // packaged_task(packaged_task&& other);
20
21 #define BOOST_THREAD_VERSION 4
22
23 #include <boost/thread/future.hpp>
24 #include <boost/detail/lightweight_test.hpp>
25
26 #if defined BOOST_THREAD_USES_CHRONO && \
27 defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && \
28 defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
29
30 class E : public std::exception
31 {
32 public:
33 long data;
E(long i)34 explicit E(long i) :
35 data(i)
36 {
37 }
38
what() const39 const char* what() const throw() { return ""; }
40
~E()41 ~E() throw() {}
42 };
43 class A
44 {
45 long data_;
46
47 public:
A(long i)48 explicit A(long i) :
49 data_(i)
50 {
51 }
52
operator ()(long i,long j) const53 long operator()(long i, long j) const
54 {
55 if (j == 'z') BOOST_THROW_EXCEPTION( E(6) );
56 return data_ + i + j;
57 }
58 };
59
func0_mv(BOOST_THREAD_RV_REF (boost::packaged_task<double (int,char)>)p)60 void func0_mv(BOOST_THREAD_RV_REF(boost::packaged_task<double(int, char)>) p)
61 //void func0(boost::packaged_task<double(int, char)> p)
62 {
63 boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
64 p.make_ready_at_thread_exit(3, 'a');
65 }
func0(boost::packaged_task<double (int,char)> * p)66 void func0(boost::packaged_task<double(int, char)> *p)
67 {
68 boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
69 p->make_ready_at_thread_exit(3, 'a');
70 }
func1(boost::packaged_task<double (int,char)> * p)71 void func1(boost::packaged_task<double(int, char)> *p)
72 {
73 boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
74 p->make_ready_at_thread_exit(3, 'z');
75 }
76
func2(boost::packaged_task<double (int,char)> * p)77 void func2(boost::packaged_task<double(int, char)> *p)
78 {
79 p->make_ready_at_thread_exit(3, 'a');
80 try
81 {
82 p->make_ready_at_thread_exit(3, 'c');
83 }
84 catch (const boost::future_error& e)
85 {
86 BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::promise_already_satisfied));
87 }
88 }
89
func3(boost::packaged_task<double (int,char)> * p)90 void func3(boost::packaged_task<double(int, char)> *p)
91 {
92 try
93 {
94 p->make_ready_at_thread_exit(3, 'a');
95 }
96 catch (const boost::future_error& e)
97 {
98 BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::no_state));
99 }
100 }
101
main()102 int main()
103 {
104 {
105 boost::packaged_task<double(int, char)> p(A(5));
106 boost::future<double> f = p.get_future();
107 #if defined BOOST_THREAD_PROVIDES_VARIADIC_THREAD
108 boost::thread(func0_mv, boost::move(p)).detach();
109 #else
110 boost::thread(func0, &p).detach();
111 #endif
112 BOOST_TEST(f.get() == 105.0);
113 }
114 {
115 boost::packaged_task<double(int, char)> p2(A(5));
116 boost::future<double> f = p2.get_future();
117 boost::packaged_task<double(int, char)> p = boost::move(p2);
118 boost::thread(func0, &p).detach();
119 BOOST_TEST(f.get() == 105.0);
120 }
121 {
122 boost::packaged_task<double(int, char)> p(A(5));
123 boost::future<double> f = p.get_future();
124 //boost::thread(func1, boost::move(p)).detach();
125 boost::thread(func1, &p).detach();
126 try
127 {
128 f.get();
129 BOOST_TEST(false);
130 }
131 catch (const E& e)
132 {
133 BOOST_TEST(e.data == 6);
134 }
135 }
136 {
137 boost::packaged_task<double(int, char)> p2(A(5));
138 boost::future<double> f = p2.get_future();
139 boost::packaged_task<double(int, char)> p = boost::move(p2);
140 boost::thread(func1, &p).detach();
141 try
142 {
143 f.get();
144 BOOST_TEST(false);
145 }
146 catch (const E& e)
147 {
148 BOOST_TEST(e.data == 6);
149 }
150 }
151 {
152 boost::packaged_task<double(int, char)> p(A(5));
153 boost::future<double> f = p.get_future();
154 //boost::thread(func2, boost::move(p)).detach();
155 boost::thread(func2, &p).detach();
156 BOOST_TEST(f.get() == 105.0);
157 }
158 {
159 boost::packaged_task<double(int, char)> p2(A(5));
160 boost::future<double> f = p2.get_future();
161 boost::packaged_task<double(int, char)> p = boost::move(p2);
162 boost::thread(func2, &p).detach();
163 BOOST_TEST(f.get() == 105.0);
164 }
165 {
166 boost::packaged_task<double(int, char)> p(A(5));
167 //boost::thread t(func3, boost::move(p));
168 boost::thread t(func3, &p);
169 t.join();
170 }
171 {
172 boost::packaged_task<double(int, char)> p2(A(5));
173 boost::packaged_task<double(int, char)> p = boost::move(p2);
174 boost::thread t(func3, &p);
175 t.join();
176 }
177
178 return boost::report_errors();
179 }
180
181 #else
main()182 int main()
183 {
184 return boost::report_errors();
185 }
186 //#error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported"
187 #endif
188
189
190