summaryrefslogtreecommitdiff
path: root/src/lib/tests/time_utils_test.c
blob: 1b9e7a807f410fbc8a89913b91f895394159ea10 (plain)
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
/*
 * Ouroboros - Copyright (C) 2016 - 2024
 *
 * Test of the time utilities
 *
 *    Dimitri Staessens <dimitri@ouroboros.rocks>
 *    Sander Vrijders   <sander@ouroboros.rocks>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., http://www.fsf.org/about/contact/.
 */

#define _POSIX_C_SOURCE 200809L

#include <ouroboros/time_utils.h>

#include <stdio.h>

static void ts_print(struct timespec * s)
{
        printf("timespec is %zd:%ld.\n", (ssize_t) s->tv_sec, s->tv_nsec);
}

static void tv_print(struct timeval * v)
{
        printf("timeval is %zd:%zu.\n", (ssize_t) v->tv_sec, (size_t) v->tv_usec);
}

static void ts_init(struct timespec * s,
                    time_t            sec,
                    time_t            nsec)
{
        s->tv_sec  = sec;
        s->tv_nsec = nsec;
}

static void tv_init(struct timeval * v,
                    time_t           sec,
                    time_t           usec)
{
        v->tv_sec  = sec;
        v->tv_usec = usec;
}

static int ts_check(struct timespec * s,
                    time_t            sec,
                    time_t            nsec)
{
        return s->tv_sec == sec && s->tv_nsec == nsec;
}

static int tv_check(struct timeval * v,
                    time_t           sec,
                    time_t           usec)
{
        return v->tv_sec == sec && v->tv_usec == usec;
}

int time_utils_test(int     argc,
                    char ** argv)
{
        struct timespec s0;
        struct timespec s1;
        struct timespec s2;

        struct timeval v0;
        struct timeval v1;
        struct timeval v2;

        (void) argc;
        (void) argv;

        ts_init(&s0, 0, 0);
        ts_init(&s1, 5, 0);

        ts_add(&s0, &s1, &s2);
        if (!ts_check(&s2, 5, 0)) {
                printf("ts_add failed.\n");
                ts_print(&s2);
                return -1;
        }

        tv_init(&v0, 0, 0);
        tv_init(&v1, 5, 0);

        tv_add(&v0, &v1, &v2);
        if (!tv_check(&v2, 5, 0)) {
                printf("tv_add failed.\n");
                tv_print(&v2);
                return -1;
        }

        ts_init(&s0, 0, 500 * MILLION);
        ts_init(&s1, 0, 600 * MILLION);

        ts_add(&s0, &s1, &s2);
        if (!ts_check(&s2, 1, 100 * MILLION)) {
                printf("ts_add with nano overflow failed.\n");
                ts_print(&s2);
                return -1;
        }

        tv_init(&v0, 0, 500 * 1000);
        tv_init(&v1, 0, 600 * 1000);

        tv_add(&v0, &v1, &v2);
        if (!tv_check(&v2, 1, 100 * 1000)) {
                printf("tv_add with nano overflow failed.\n");
                tv_print(&v2);
                return -1;
        }

        ts_init(&s0, 0, 0);
        ts_init(&s1, 5, 0);

        ts_diff(&s0, &s1, &s2);
        if (!ts_check(&s2, -5, 0)) {
                printf("ts_diff failed.\n");
                ts_print(&s2);
                return -1;
        }

        tv_init(&v0, 0, 0);
        tv_init(&v1, 5, 0);

        tv_diff(&v0, &v1, &v2);
        if (!tv_check(&v2, -5, 0)) {
                printf("tv_diff failed.\n");
                tv_print(&v2);
                return -1;
        }

        ts_init(&s0, 0, 500 * MILLION);
        ts_init(&s1, 0, 600 * MILLION);

        ts_diff(&s0, &s1, &s2);
        if (!ts_check(&s2, -1, 900 * MILLION)) {
                printf("ts_diff with nano underflow failed.\n");
                ts_print(&s2);
                return -1;
        }

        tv_init(&v0, 0, 500 * 1000);
        tv_init(&v1, 0, 600 * 1000);

        tv_diff(&v0, &v1, &v2);
        if (!tv_check(&v2, -1, 900 * 1000)) {
                printf("tv_diff with nano underflow failed.\n");
                tv_print(&v2);
                return -1;
        }

        return 0;
}