1 /* $NetBSD: t_time.c,v 1.2 2011/11/11 05:03:38 jruoho Exp $ */
2
3 /*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jukka Ruohonen.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_time.c,v 1.2 2011/11/11 05:03:38 jruoho Exp $");
33
34 #ifdef __FreeBSD__
35 #include <sys/time.h>
36 #endif
37 #include <atf-c.h>
38 #include <errno.h>
39 #include <inttypes.h>
40 #include <stdint.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <time.h>
44 #include <unistd.h>
45
46 ATF_TC(time_copy);
ATF_TC_HEAD(time_copy,tc)47 ATF_TC_HEAD(time_copy, tc)
48 {
49 atf_tc_set_md_var(tc, "descr", "Test the return values of time(3)");
50 }
51
ATF_TC_BODY(time_copy,tc)52 ATF_TC_BODY(time_copy, tc)
53 {
54 time_t t1, t2 = 0;
55
56 t1 = time(&t2);
57
58 if (t1 != t2)
59 atf_tc_fail("incorrect return values from time(3)");
60 }
61
62 ATF_TC(time_mono);
ATF_TC_HEAD(time_mono,tc)63 ATF_TC_HEAD(time_mono, tc)
64 {
65 atf_tc_set_md_var(tc, "descr", "Test monotonicity of time(3)");
66 }
67
ATF_TC_BODY(time_mono,tc)68 ATF_TC_BODY(time_mono, tc)
69 {
70 const size_t maxiter = 10;
71 time_t t1, t2;
72 size_t i;
73
74 for (i = 0; i < maxiter; i++) {
75
76 t1 = time(NULL);
77 (void)sleep(1);
78 t2 = time(NULL);
79
80 (void)fprintf(stderr, "%"PRId64" vs. %"PRId64"\n",
81 (int64_t)t1, (int64_t)t2);
82
83 if (t1 >= t2)
84 atf_tc_fail("time(3) is not monotonic");
85 }
86 }
87
88 ATF_TC(time_timeofday);
ATF_TC_HEAD(time_timeofday,tc)89 ATF_TC_HEAD(time_timeofday, tc)
90 {
91 atf_tc_set_md_var(tc, "descr", "Test time(3) vs. gettimeofday(2)");
92 }
93
ATF_TC_BODY(time_timeofday,tc)94 ATF_TC_BODY(time_timeofday, tc)
95 {
96 struct timeval tv = { 0, 0 };
97 time_t t;
98
99 t = time(NULL);
100 ATF_REQUIRE(gettimeofday(&tv, NULL) == 0);
101
102 (void)fprintf(stderr, "%"PRId64" vs. %"PRId64"\n",
103 (int64_t)t, (int64_t)tv.tv_sec);
104
105 if (t != tv.tv_sec)
106 atf_tc_fail("time(3) and gettimeofday(2) differ");
107 }
108
ATF_TP_ADD_TCS(tp)109 ATF_TP_ADD_TCS(tp)
110 {
111
112 ATF_TP_ADD_TC(tp, time_copy);
113 ATF_TP_ADD_TC(tp, time_mono);
114 ATF_TP_ADD_TC(tp, time_timeofday);
115
116 return atf_no_error();
117 }
118