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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) 2012 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/shared_mutex.hpp>
17 // class shared_mutex;
19 // template <class Clock, class Duration>
20 // bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time);
22 #include <boost/thread/shared_mutex.hpp>
23 #include <boost/thread/thread.hpp>
24 #include <boost/detail/lightweight_test.hpp>
26 boost::shared_mutex m
;
28 typedef boost::chrono::steady_clock Clock
;
29 typedef Clock::time_point time_point
;
30 typedef Clock::duration duration
;
31 typedef boost::chrono::milliseconds ms
;
32 typedef boost::chrono::nanoseconds ns
;
36 time_point t0
= Clock::now();
37 // This test is spurious as it depends on the time the thread system switches the threads
38 BOOST_TEST(m
.try_lock_until(Clock::now() + ms(300) + ms(1000)) == true);
39 time_point t1
= Clock::now();
41 ns d
= t1
- t0
- ms(250);
42 BOOST_TEST(d
< ns(5000000)+ms(1000)); // within 5ms
47 time_point t0
= Clock::now();
48 BOOST_TEST(m
.try_lock_until(Clock::now() + ms(250)) == false);
49 time_point t1
= Clock::now();
50 ns d
= t1
- t0
- ms(250);
51 // This test is spurious as it depends on the time the thread system switches the threads
52 BOOST_TEST(d
< ns(5000000)+ms(1000)); // within 5ms
60 boost::this_thread::sleep_for(ms(250));
67 boost::this_thread::sleep_for(ms(300));
72 return boost::report_errors();