1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
//===----------------------------------------------------------------------===//
//
// 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/thread.hpp>
// thread::id this_thread::get_id();
#include <boost/thread/thread_only.hpp>
#include <cstdlib>
#include <algorithm>
#include <boost/detail/lightweight_test.hpp>
#if defined BOOST_THREAD_USES_CHRONO
int main()
{
{
typedef boost::chrono::steady_clock Clock;
typedef Clock::time_point time_point;
//typedef Clock::duration duration;
boost::chrono::milliseconds ms(500);
time_point t0 = Clock::now();
boost::this_thread::sleep_until(t0 + ms);
time_point t1 = Clock::now();
boost::chrono::nanoseconds ns = (t1 - t0) - ms;
boost::chrono::nanoseconds err = ms / 100;
// The time slept is within 1% of 500ms
// This test is spurious as it depends on the time the thread system switches the threads
BOOST_TEST((std::max)(ns.count(), -ns.count()) < (err+boost::chrono::milliseconds(1000)).count());
//BOOST_TEST(std::abs(static_cast<long>(ns.count())) < (err+boost::chrono::milliseconds(1000)).count());
}
{
typedef boost::chrono::system_clock Clock;
typedef Clock::time_point time_point;
//typedef Clock::duration duration;
boost::chrono::milliseconds ms(500);
time_point t0 = Clock::now();
boost::this_thread::sleep_until(t0 + ms);
time_point t1 = Clock::now();
boost::chrono::nanoseconds ns = (t1 - t0) - ms;
boost::chrono::nanoseconds err = ms / 100;
// The time slept is within 1% of 500ms
// This test is spurious as it depends on the time the thread system switches the threads
BOOST_TEST((std::max)(ns.count(), -ns.count()) < (err+boost::chrono::milliseconds(1000)).count());
//BOOST_TEST(std::abs(static_cast<long>(ns.count())) < (err+boost::chrono::milliseconds(1000)).count());
}
{
typedef boost::chrono::steady_clock Clock;
typedef Clock::time_point time_point;
//typedef Clock::duration duration;
boost::chrono::milliseconds ms(500);
time_point t0 = Clock::now();
boost::this_thread::no_interruption_point::sleep_until(t0 + ms);
time_point t1 = Clock::now();
boost::chrono::nanoseconds ns = (t1 - t0) - ms;
boost::chrono::nanoseconds err = ms / 100;
// The time slept is within 1% of 500ms
// This test is spurious as it depends on the time the thread system switches the threads
BOOST_TEST((std::max)(ns.count(), -ns.count()) < (err+boost::chrono::milliseconds(1000)).count());
//BOOST_TEST(std::abs(static_cast<long>(ns.count())) < (err+boost::chrono::milliseconds(1000)).count());
}
{
typedef boost::chrono::system_clock Clock;
typedef Clock::time_point time_point;
//typedef Clock::duration duration;
boost::chrono::milliseconds ms(500);
time_point t0 = Clock::now();
boost::this_thread::no_interruption_point::sleep_until(t0 + ms);
time_point t1 = Clock::now();
boost::chrono::nanoseconds ns = (t1 - t0) - ms;
boost::chrono::nanoseconds err = ms / 100;
// The time slept is within 1% of 500ms
// This test is spurious as it depends on the time the thread system switches the threads
BOOST_TEST((std::max)(ns.count(), -ns.count()) < (err+boost::chrono::milliseconds(1000)).count());
//BOOST_TEST(std::abs(static_cast<long>(ns.count())) < (err+boost::chrono::milliseconds(1000)).count());
}
return boost::report_errors();
}
#else
#error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported"
#endif
|
