1*11be35a1SLionel Sambuc /* $NetBSD: t_gettimeofday.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $ */
2*11be35a1SLionel Sambuc
3*11be35a1SLionel Sambuc /*-
4*11be35a1SLionel Sambuc * Copyright (c) 2011 The NetBSD Foundation, Inc.
5*11be35a1SLionel Sambuc * All rights reserved.
6*11be35a1SLionel Sambuc *
7*11be35a1SLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation
8*11be35a1SLionel Sambuc * by Jukka Ruohonen.
9*11be35a1SLionel Sambuc *
10*11be35a1SLionel Sambuc * Redistribution and use in source and binary forms, with or without
11*11be35a1SLionel Sambuc * modification, are permitted provided that the following conditions
12*11be35a1SLionel Sambuc * are met:
13*11be35a1SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
14*11be35a1SLionel Sambuc * notice, this list of conditions and the following disclaimer.
15*11be35a1SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
16*11be35a1SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
17*11be35a1SLionel Sambuc * documentation and/or other materials provided with the distribution.
18*11be35a1SLionel Sambuc *
19*11be35a1SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*11be35a1SLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*11be35a1SLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*11be35a1SLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*11be35a1SLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*11be35a1SLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*11be35a1SLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*11be35a1SLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*11be35a1SLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*11be35a1SLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*11be35a1SLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
30*11be35a1SLionel Sambuc */
31*11be35a1SLionel Sambuc #include <sys/cdefs.h>
32*11be35a1SLionel Sambuc __RCSID("$NetBSD: t_gettimeofday.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $");
33*11be35a1SLionel Sambuc
34*11be35a1SLionel Sambuc #include <sys/time.h>
35*11be35a1SLionel Sambuc
36*11be35a1SLionel Sambuc #include <atf-c.h>
37*11be35a1SLionel Sambuc #include <errno.h>
38*11be35a1SLionel Sambuc #include <string.h>
39*11be35a1SLionel Sambuc
40*11be35a1SLionel Sambuc ATF_TC(gettimeofday_err);
ATF_TC_HEAD(gettimeofday_err,tc)41*11be35a1SLionel Sambuc ATF_TC_HEAD(gettimeofday_err, tc)
42*11be35a1SLionel Sambuc {
43*11be35a1SLionel Sambuc atf_tc_set_md_var(tc, "descr", "Test errors from gettimeofday(2)");
44*11be35a1SLionel Sambuc }
45*11be35a1SLionel Sambuc
ATF_TC_BODY(gettimeofday_err,tc)46*11be35a1SLionel Sambuc ATF_TC_BODY(gettimeofday_err, tc)
47*11be35a1SLionel Sambuc {
48*11be35a1SLionel Sambuc
49*11be35a1SLionel Sambuc errno = 0;
50*11be35a1SLionel Sambuc
51*11be35a1SLionel Sambuc ATF_REQUIRE_ERRNO(EFAULT, gettimeofday((void *)-1, NULL) != 0);
52*11be35a1SLionel Sambuc }
53*11be35a1SLionel Sambuc
54*11be35a1SLionel Sambuc ATF_TC(gettimeofday_mono);
ATF_TC_HEAD(gettimeofday_mono,tc)55*11be35a1SLionel Sambuc ATF_TC_HEAD(gettimeofday_mono, tc)
56*11be35a1SLionel Sambuc {
57*11be35a1SLionel Sambuc atf_tc_set_md_var(tc, "descr", "Test monotonicity of gettimeofday(2)");
58*11be35a1SLionel Sambuc }
59*11be35a1SLionel Sambuc
ATF_TC_BODY(gettimeofday_mono,tc)60*11be35a1SLionel Sambuc ATF_TC_BODY(gettimeofday_mono, tc)
61*11be35a1SLionel Sambuc {
62*11be35a1SLionel Sambuc static const size_t maxiter = 100;
63*11be35a1SLionel Sambuc struct timeval tv1, tv2;
64*11be35a1SLionel Sambuc size_t i;
65*11be35a1SLionel Sambuc
66*11be35a1SLionel Sambuc for (i = 0; i < maxiter; i++) {
67*11be35a1SLionel Sambuc
68*11be35a1SLionel Sambuc (void)memset(&tv1, 0, sizeof(struct timeval));
69*11be35a1SLionel Sambuc (void)memset(&tv2, 0, sizeof(struct timeval));
70*11be35a1SLionel Sambuc
71*11be35a1SLionel Sambuc ATF_REQUIRE(gettimeofday(&tv1, NULL) == 0);
72*11be35a1SLionel Sambuc ATF_REQUIRE(gettimeofday(&tv2, NULL) == 0);
73*11be35a1SLionel Sambuc
74*11be35a1SLionel Sambuc if (timercmp(&tv2, &tv1, <) != 0)
75*11be35a1SLionel Sambuc atf_tc_fail("time went backwards");
76*11be35a1SLionel Sambuc }
77*11be35a1SLionel Sambuc }
78*11be35a1SLionel Sambuc
ATF_TP_ADD_TCS(tp)79*11be35a1SLionel Sambuc ATF_TP_ADD_TCS(tp)
80*11be35a1SLionel Sambuc {
81*11be35a1SLionel Sambuc
82*11be35a1SLionel Sambuc ATF_TP_ADD_TC(tp, gettimeofday_err);
83*11be35a1SLionel Sambuc ATF_TP_ADD_TC(tp, gettimeofday_mono);
84*11be35a1SLionel Sambuc
85*11be35a1SLionel Sambuc return atf_no_error();
86*11be35a1SLionel Sambuc }
87