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96 lines
3.9 KiB
C++
96 lines
3.9 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// Copyright (C) 2011 Vicente J. Botet Escriba
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// <boost/thread/thread.hpp>
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// thread::id this_thread::get_id();
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#include <boost/thread/thread_only.hpp>
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#include <cstdlib>
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#include <algorithm>
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#include <boost/detail/lightweight_test.hpp>
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#if defined BOOST_THREAD_USES_CHRONO
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int main()
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{
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{
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typedef boost::chrono::steady_clock Clock;
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typedef Clock::time_point time_point;
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//typedef Clock::duration duration;
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boost::chrono::milliseconds ms(500);
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time_point t0 = Clock::now();
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boost::this_thread::sleep_until(t0 + ms);
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time_point t1 = Clock::now();
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boost::chrono::nanoseconds ns = (t1 - t0) - ms;
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boost::chrono::nanoseconds err = ms / 100;
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// The time slept is within 1% of 500ms
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// This test is spurious as it depends on the time the thread system switches the threads
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BOOST_TEST((std::max)(ns.count(), -ns.count()) < (err+boost::chrono::milliseconds(1000)).count());
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//BOOST_TEST(std::abs(static_cast<long>(ns.count())) < (err+boost::chrono::milliseconds(1000)).count());
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}
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{
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typedef boost::chrono::system_clock Clock;
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typedef Clock::time_point time_point;
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//typedef Clock::duration duration;
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boost::chrono::milliseconds ms(500);
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time_point t0 = Clock::now();
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boost::this_thread::sleep_until(t0 + ms);
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time_point t1 = Clock::now();
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boost::chrono::nanoseconds ns = (t1 - t0) - ms;
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boost::chrono::nanoseconds err = ms / 100;
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// The time slept is within 1% of 500ms
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// This test is spurious as it depends on the time the thread system switches the threads
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BOOST_TEST((std::max)(ns.count(), -ns.count()) < (err+boost::chrono::milliseconds(1000)).count());
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//BOOST_TEST(std::abs(static_cast<long>(ns.count())) < (err+boost::chrono::milliseconds(1000)).count());
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}
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{
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typedef boost::chrono::steady_clock Clock;
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typedef Clock::time_point time_point;
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//typedef Clock::duration duration;
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boost::chrono::milliseconds ms(500);
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time_point t0 = Clock::now();
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boost::this_thread::no_interruption_point::sleep_until(t0 + ms);
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time_point t1 = Clock::now();
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boost::chrono::nanoseconds ns = (t1 - t0) - ms;
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boost::chrono::nanoseconds err = ms / 100;
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// The time slept is within 1% of 500ms
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// This test is spurious as it depends on the time the thread system switches the threads
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BOOST_TEST((std::max)(ns.count(), -ns.count()) < (err+boost::chrono::milliseconds(1000)).count());
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//BOOST_TEST(std::abs(static_cast<long>(ns.count())) < (err+boost::chrono::milliseconds(1000)).count());
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}
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{
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typedef boost::chrono::system_clock Clock;
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typedef Clock::time_point time_point;
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//typedef Clock::duration duration;
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boost::chrono::milliseconds ms(500);
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time_point t0 = Clock::now();
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boost::this_thread::no_interruption_point::sleep_until(t0 + ms);
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time_point t1 = Clock::now();
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boost::chrono::nanoseconds ns = (t1 - t0) - ms;
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boost::chrono::nanoseconds err = ms / 100;
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// The time slept is within 1% of 500ms
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// This test is spurious as it depends on the time the thread system switches the threads
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BOOST_TEST((std::max)(ns.count(), -ns.count()) < (err+boost::chrono::milliseconds(1000)).count());
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//BOOST_TEST(std::abs(static_cast<long>(ns.count())) < (err+boost::chrono::milliseconds(1000)).count());
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}
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return boost::report_errors();
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}
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#else
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#error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported"
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#endif
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