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) 2013 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 // template <class Rep, class Period>
20 // future_status
21 // wait_until(const chrono::time_point<Clock, Duration>& abs_time) const;
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/chrono/chrono_io.hpp>
32 #include <boost/detail/lightweight_test.hpp>
33 #include "../../../timming.hpp"
34
35 #if defined BOOST_THREAD_USES_CHRONO
36
37 #ifdef BOOST_MSVC
38 #pragma warning(disable: 4127) // conditional expression is constant
39 #endif
40
41 typedef boost::chrono::milliseconds ms;
42 typedef boost::chrono::nanoseconds ns;
43
44 namespace boost
45 {
46 template <typename OStream>
operator <<(OStream & os,boost::future_status st)47 OStream& operator<<(OStream& os , boost::future_status st )
48 {
49 os << underlying_cast<int>(st) << " ";
50 return os;
51 }
52 template <typename T>
53 struct wrap
54 {
wrapboost::wrap55 wrap(T const& v) :
56 value(v)
57 {
58 }
59 T value;
60
61 };
62
63 template <typename T>
make_exception_ptr(T v)64 exception_ptr make_exception_ptr(T v)
65 {
66 return copy_exception(wrap<T> (v));
67 }
68 }
69
func1(boost::promise<int> p)70 void func1(boost::promise<int> p)
71 {
72 boost::this_thread::sleep_for(ms(500));
73 p.set_value(3);
74 }
75
76 int j = 0;
77
func3(boost::promise<int &> p)78 void func3(boost::promise<int&> p)
79 {
80 boost::this_thread::sleep_for(ms(500));
81 j = 5;
82 p.set_value(j);
83 }
84
func5(boost::promise<void> p)85 void func5(boost::promise<void> p)
86 {
87 boost::this_thread::sleep_for(ms(500));
88 p.set_value();
89 }
90
91 const ms max_diff(BOOST_THREAD_TEST_TIME_MS);
92
main()93 int main()
94 {
95 BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
96 {
97 typedef boost::chrono::high_resolution_clock Clock;
98 {
99 typedef int T;
100 boost::promise<T> p;
101 boost::future<T> f = p.get_future();
102 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
103 boost::thread(func1, boost::move(p)).detach();
104 #endif
105 BOOST_TEST(f.valid());
106 BOOST_TEST_EQ(f.wait_until(Clock::now() + ms(250)) , boost::future_status::timeout);
107 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
108 #else
109 func1(boost::move(p));
110 #endif
111 BOOST_TEST(f.valid());
112 BOOST_TEST_EQ(f.wait_until(Clock::now() + ms(750)) , boost::future_status::ready);
113 BOOST_TEST(f.valid());
114 Clock::time_point t0 = Clock::now();
115 f.wait();
116 Clock::time_point t1 = Clock::now();
117 BOOST_TEST(f.valid());
118 ns d = t1 - t0;
119 BOOST_THREAD_TEST_IT(d, ns(max_diff));
120 }
121 {
122 typedef int& T;
123 boost::promise<T> p;
124 boost::future<T> f = p.get_future();
125 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
126 boost::thread(func3, boost::move(p)).detach();
127 #endif
128 BOOST_TEST(f.valid());
129 BOOST_TEST_EQ(f.wait_until(Clock::now() + ms(250)) , boost::future_status::timeout);
130 BOOST_TEST(f.valid());
131 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
132 #else
133 func3(boost::move(p));
134 #endif
135 BOOST_TEST_EQ(f.wait_until(Clock::now() + ms(750)) , boost::future_status::ready);
136 BOOST_TEST(f.valid());
137 Clock::time_point t0 = Clock::now();
138 f.wait();
139 Clock::time_point t1 = Clock::now();
140 BOOST_TEST(f.valid());
141 ns d = t1 - t0;
142 BOOST_THREAD_TEST_IT(d, ns(max_diff));
143 }
144 {
145 typedef void T;
146 boost::promise<T> p;
147 boost::future<T> f = p.get_future();
148 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
149 boost::thread(func5, boost::move(p)).detach();
150 #endif
151 BOOST_TEST(f.valid());
152 BOOST_TEST_EQ(f.wait_until(Clock::now() + ms(250)) , boost::future_status::timeout);
153 BOOST_TEST(f.valid());
154 #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
155 #else
156 func5(boost::move(p));
157 #endif
158 BOOST_TEST_EQ(f.wait_until(Clock::now() + ms(750)) , boost::future_status::ready);
159 BOOST_TEST(f.valid());
160 Clock::time_point t0 = Clock::now();
161 f.wait();
162 Clock::time_point t1 = Clock::now();
163 BOOST_TEST(f.valid());
164 ns d = t1 - t0;
165 BOOST_THREAD_TEST_IT(d, ns(max_diff));
166 }
167 }
168 BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
169
170 return boost::report_errors();
171 }
172
173 #else
174 #error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported"
175 #endif
176