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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// Adaptation to Boost of the libcxx
// Copyright 2010 Vicente J. Botet Escriba
// Copyright (c) Microsoft Corporation 2014
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
#include <boost/type_traits/is_same.hpp>
#include <boost/chrono/chrono.hpp>
#include <boost/chrono/process_cpu_clocks.hpp>
#include <boost/chrono/thread_clock.hpp>
#include <boost/system/system_error.hpp>
#include <boost/detail/lightweight_test.hpp>
#if !defined(BOOST_NO_CXX11_STATIC_ASSERT)
#define NOTHING ""
#endif
template <typename Clock>
void check_clock_invariants()
{
BOOST_CHRONO_STATIC_ASSERT((boost::is_same<typename Clock::rep, typename Clock::duration::rep>::value), NOTHING, ());
BOOST_CHRONO_STATIC_ASSERT((boost::is_same<typename Clock::period, typename Clock::duration::period>::value), NOTHING, ());
BOOST_CHRONO_STATIC_ASSERT((boost::is_same<typename Clock::duration, typename Clock::time_point::duration>::value), NOTHING, ());
BOOST_CHRONO_STATIC_ASSERT(Clock::is_steady || !Clock::is_steady, NOTHING, ());
// to be replaced by has static member bool is_steady
}
template <typename Clock>
void check_clock_now()
{
typename Clock::time_point t1 = Clock::now();
(void)t1;
}
#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
template <typename Clock>
void check_clock_now_ec()
{
boost::system::error_code ec;
typename Clock::time_point t1 = Clock::now(ec);
(void)t1;
BOOST_TEST(ec.value()==0);
}
template <typename Clock>
void check_clock_now_throws()
{
typename Clock::time_point t1 = Clock::now(boost::throws());
(void)t1;
}
#ifndef BOOST_NO_EXCEPTIONS
template <typename Clock>
void check_clock_now_err(int err)
{
Clock::set_errno(err);
try {
typename Clock::time_point t1 = Clock::now();
} catch (boost::system::system_error& ex) {
BOOST_TEST(ex.code().value()==err);
// BOOST_TEST(ex.code().category() == ::boost::system::system_category());
// BOOST_TEST(std::string(ex.what()) == std::string("errored_clock"));
}
Clock::set_errno(0);
}
#endif
template <typename Clock>
void check_clock_now_ec_err(int err)
{
Clock::set_errno(err);
boost::system::error_code ec;
typename Clock::time_point t1 = Clock::now(ec);
BOOST_TEST(ec.value()==err);
// BOOST_TEST(ec.category() == ::boost::system::system_category());
Clock::set_errno(0);
}
#ifndef BOOST_NO_EXCEPTIONS
template <typename Clock>
void check_clock_now_throws_err(int err)
{
Clock::set_errno(err);
try {
typename Clock::time_point t1 = Clock::now(boost::throws());
BOOST_TEST(0&&"exception not thown");
} catch (boost::system::system_error& ex) {
BOOST_TEST(ex.code().value()==err);
// BOOST_TEST(ex.code().category() == ::boost::system::system_category());
// BOOST_TEST(std::string(ex.what()) == std::string("errored_clock"));
}
Clock::set_errno(0);
}
#endif
#endif
int main()
{
check_clock_invariants<boost::chrono::high_resolution_clock>();
check_clock_now<boost::chrono::high_resolution_clock>();
#ifdef BOOST_CHRONO_HAS_CLOCK_STEADY
check_clock_invariants<boost::chrono::steady_clock>();
BOOST_CHRONO_STATIC_ASSERT(boost::chrono::steady_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::steady_clock>();
#endif
check_clock_invariants<boost::chrono::system_clock>();
BOOST_CHRONO_STATIC_ASSERT(!boost::chrono::system_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::system_clock>();
{
typedef boost::chrono::system_clock C;
C::time_point t1 = C::from_time_t(C::to_time_t(C::now()));
(void)t1;
}
{
typedef boost::chrono::system_clock C;
std::time_t t1 = C::to_time_t(C::now());
(void)t1;
}
{
BOOST_TEST((boost::chrono::system_clock::duration::min)() <
boost::chrono::system_clock::duration::zero());
}
#if defined(BOOST_CHRONO_HAS_THREAD_CLOCK)
check_clock_invariants<boost::chrono::thread_clock>();
BOOST_CHRONO_STATIC_ASSERT(boost::chrono::thread_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::thread_clock>();
#endif
#if defined(BOOST_CHRONO_HAS_PROCESS_CLOCKS)
check_clock_invariants<boost::chrono::process_real_cpu_clock>();
BOOST_CHRONO_STATIC_ASSERT(boost::chrono::process_real_cpu_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::process_real_cpu_clock>();
#if ! BOOST_OS_WINDOWS || BOOST_PLAT_WINDOWS_DESKTOP
check_clock_invariants<boost::chrono::process_user_cpu_clock>();
BOOST_CHRONO_STATIC_ASSERT(boost::chrono::process_user_cpu_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::process_user_cpu_clock>();
check_clock_invariants<boost::chrono::process_system_cpu_clock>();
BOOST_CHRONO_STATIC_ASSERT(boost::chrono::process_system_cpu_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::process_system_cpu_clock>();
check_clock_invariants<boost::chrono::process_cpu_clock>();
BOOST_CHRONO_STATIC_ASSERT(boost::chrono::process_cpu_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::process_cpu_clock>();
#endif
#endif
#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
check_clock_now_ec<boost::chrono::high_resolution_clock>();
check_clock_now_throws<boost::chrono::high_resolution_clock>();
#ifdef BOOST_CHRONO_HAS_CLOCK_STEADY
check_clock_now_ec<boost::chrono::steady_clock>();
check_clock_now_throws<boost::chrono::steady_clock>();
#endif
check_clock_now_ec<boost::chrono::system_clock>();
check_clock_now_throws<boost::chrono::system_clock>();
#if defined(BOOST_CHRONO_HAS_THREAD_CLOCK)
check_clock_now_ec<boost::chrono::thread_clock>();
check_clock_now_throws<boost::chrono::thread_clock>();
#endif
#if defined(BOOST_CHRONO_HAS_PROCESS_CLOCKS)
check_clock_now_ec<boost::chrono::process_real_cpu_clock>();
check_clock_now_throws<boost::chrono::process_real_cpu_clock>();
#if ! BOOST_OS_WINDOWS || BOOST_PLAT_WINDOWS_DESKTOP
check_clock_now_ec<boost::chrono::process_user_cpu_clock>();
check_clock_now_throws<boost::chrono::process_user_cpu_clock>();
check_clock_now_ec<boost::chrono::process_system_cpu_clock>();
check_clock_now_throws<boost::chrono::process_system_cpu_clock>();
check_clock_now_ec<boost::chrono::process_cpu_clock>();
check_clock_now_throws<boost::chrono::process_cpu_clock>();
#endif
#endif
#endif
return boost::report_errors();
}
|
