diff options
Diffstat (limited to 'libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/cons/time_point_pass.cpp')
-rwxr-xr-x | libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/cons/time_point_pass.cpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/cons/time_point_pass.cpp b/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/cons/time_point_pass.cpp new file mode 100755 index 0000000000..26ad92ace2 --- /dev/null +++ b/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/cons/time_point_pass.cpp @@ -0,0 +1,79 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// Copyright (C) 2011 Vicente J. Botet Escriba +// +// Distributed under the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + +// <boost/thread/locks.hpp> + +// template <class Mutex> class upgrade_lock; + +// template <class Clock, class Duration> +// upgrade_lock(mutex_type& m, const chrono::time_point<Clock, Duration>& abs_time); + +#define BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN + +#include <boost/thread/locks.hpp> +#include <boost/thread/shared_mutex.hpp> +#include <boost/thread/thread.hpp> +#include <boost/detail/lightweight_test.hpp> + +boost::shared_mutex m; + +typedef boost::chrono::steady_clock Clock; +typedef Clock::time_point time_point; +typedef Clock::duration duration; +typedef boost::chrono::milliseconds ms; +typedef boost::chrono::nanoseconds ns; + +void f1() +{ + time_point t0 = Clock::now(); + // This test is spurious as it depends on the time the thread system switches the threads + boost::upgrade_lock<boost::shared_mutex> lk(m, Clock::now() + ms(300)+ms(1000)); + BOOST_TEST(lk.owns_lock() == true); + time_point t1 = Clock::now(); + ns d = t1 - t0 - ms(250); + // This test is spurious as it depends on the time the thread system switches the threads + BOOST_TEST(d < ns(50000000)+ms(1000)); // within 50ms +} + +void f2() +{ + time_point t0 = Clock::now(); + boost::upgrade_lock<boost::shared_mutex> lk(m, Clock::now() + ms(250)); + BOOST_TEST(lk.owns_lock() == false); + time_point t1 = Clock::now(); + ns d = t1 - t0 - ms(250); + // This test is spurious as it depends on the time the thread system switches the threads + BOOST_TEST(d < ns(5000000)+ms(1000)); // within 5ms +} + +int main() +{ + { + m.lock(); + boost::thread t(f1); + boost::this_thread::sleep_for(ms(250)); + m.unlock(); + t.join(); + } + { + m.lock(); + boost::thread t(f2); + boost::this_thread::sleep_for(ms(300)); + m.unlock(); + t.join(); + } + + return boost::report_errors(); +} + |