1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Copyright (C) 2011 Vicente J. Botet Escriba
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)
15 // <boost/thread/future.hpp>
17 // template <class F, class... Args>
18 // future<typename result_of<F(Args...)>::type>
19 // async(F&& f, Args&&... args);
21 // template <class F, class... Args>
22 // future<typename result_of<F(Args...)>::type>
23 // async(launch policy, F&& f, Args&&... args);
26 #include <boost/thread/future.hpp>
27 #include <boost/thread/thread.hpp>
28 #include <boost/interprocess/smart_ptr/unique_ptr.hpp>
30 #include <boost/detail/lightweight_test.hpp>
32 typedef boost::chrono::high_resolution_clock Clock;
33 typedef boost::chrono::milliseconds ms;
37 boost::this_thread::sleep_for(ms(200));
45 boost::this_thread::sleep_for(ms(200));
51 boost::this_thread::sleep_for(ms(200));
54 boost::interprocess::unique_ptr<int> f3(int i)
56 boost::this_thread::sleep_for(ms(200));
57 return boost::interprocess::unique_ptr<int>(new int(i));
60 boost::interprocess::unique_ptr<int> f4(boost::interprocess::unique_ptr<int>&& p)
62 boost::this_thread::sleep_for(ms(200));
63 return boost::move(p);
69 boost::future<int> f = boost::async(f0);
70 boost::this_thread::sleep_for(ms(300));
71 Clock::time_point t0 = Clock::now();
72 BOOST_TEST(f.get() == 3);
73 Clock::time_point t1 = Clock::now();
74 BOOST_TEST(t1 - t0 < ms(100));
77 boost::future<int> f = boost::async(boost::launch::async, f0);
78 boost::this_thread::sleep_for(ms(300));
79 Clock::time_point t0 = Clock::now();
80 BOOST_TEST(f.get() == 3);
81 Clock::time_point t1 = Clock::now();
82 BOOST_TEST(t1 - t0 < ms(100));
85 boost::future<int> f = boost::async(boost::launch::any, f0);
86 boost::this_thread::sleep_for(ms(300));
87 Clock::time_point t0 = Clock::now();
88 BOOST_TEST(f.get() == 3);
89 Clock::time_point t1 = Clock::now();
90 BOOST_TEST(t1 - t0 < ms(100));
93 boost::future<int> f = boost::async(boost::launch::deferred, f0);
94 boost::this_thread::sleep_for(ms(300));
95 Clock::time_point t0 = Clock::now();
96 BOOST_TEST(f.get() == 3);
97 Clock::time_point t1 = Clock::now();
98 BOOST_TEST(t1 - t0 > ms(100));
102 boost::future<int&> f = boost::async(f1);
103 boost::this_thread::sleep_for(ms(300));
104 Clock::time_point t0 = Clock::now();
105 BOOST_TEST(&f.get() == &i);
106 Clock::time_point t1 = Clock::now();
107 BOOST_TEST(t1 - t0 < ms(100));
110 boost::future<int&> f = boost::async(boost::launch::async, f1);
111 boost::this_thread::sleep_for(ms(300));
112 Clock::time_point t0 = Clock::now();
113 BOOST_TEST(&f.get() == &i);
114 Clock::time_point t1 = Clock::now();
115 BOOST_TEST(t1 - t0 < ms(100));
118 boost::future<int&> f = boost::async(boost::launch::any, f1);
119 boost::this_thread::sleep_for(ms(300));
120 Clock::time_point t0 = Clock::now();
121 BOOST_TEST(&f.get() == &i);
122 Clock::time_point t1 = Clock::now();
123 BOOST_TEST(t1 - t0 < ms(100));
126 boost::future<int&> f = boost::async(boost::launch::deferred, f1);
127 boost::this_thread::sleep_for(ms(300));
128 Clock::time_point t0 = Clock::now();
129 BOOST_TEST(&f.get() == &i);
130 Clock::time_point t1 = Clock::now();
131 BOOST_TEST(t1 - t0 > ms(100));
135 boost::future<void> f = boost::async(f2);
136 boost::this_thread::sleep_for(ms(300));
137 Clock::time_point t0 = Clock::now();
139 Clock::time_point t1 = Clock::now();
140 BOOST_TEST(t1 - t0 < ms(100));
143 boost::future<void> f = boost::async(boost::launch::async, f2);
144 boost::this_thread::sleep_for(ms(300));
145 Clock::time_point t0 = Clock::now();
147 Clock::time_point t1 = Clock::now();
148 BOOST_TEST(t1 - t0 < ms(100));
151 boost::future<void> f = boost::async(boost::launch::any, f2);
152 boost::this_thread::sleep_for(ms(300));
153 Clock::time_point t0 = Clock::now();
155 Clock::time_point t1 = Clock::now();
156 BOOST_TEST(t1 - t0 < ms(100));
159 boost::future<void> f = boost::async(boost::launch::deferred, f2);
160 boost::this_thread::sleep_for(ms(300));
161 Clock::time_point t0 = Clock::now();
163 Clock::time_point t1 = Clock::now();
164 BOOST_TEST(t1 - t0 > ms(100));
168 boost::future<boost::interprocess::unique_ptr<int>> f = boost::async(f3, 3);
169 boost::this_thread::sleep_for(ms(300));
170 Clock::time_point t0 = Clock::now();
171 BOOST_TEST(*f.get() == 3);
172 Clock::time_point t1 = Clock::now();
173 BOOST_TEST(t1 - t0 < ms(100));
177 boost::future<boost::interprocess::unique_ptr<int>> f = boost::async(f4, boost::interprocess::unique_ptr<int>(new int(3)));
178 boost::this_thread::sleep_for(ms(300));
179 Clock::time_point t0 = Clock::now();
180 BOOST_TEST(*f.get() == 3);
181 Clock::time_point t1 = Clock::now();
182 BOOST_TEST(t1 - t0 < ms(100));
184 return boost::report_errors();