87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
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/* $NetBSD: t_gettimeofday.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $ */
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/*-
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* Copyright (c) 2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jukka Ruohonen.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: t_gettimeofday.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $");
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#include <sys/time.h>
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#include <atf-c.h>
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#include <errno.h>
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#include <string.h>
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ATF_TC(gettimeofday_err);
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ATF_TC_HEAD(gettimeofday_err, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Test errors from gettimeofday(2)");
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}
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ATF_TC_BODY(gettimeofday_err, tc)
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{
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errno = 0;
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ATF_REQUIRE_ERRNO(EFAULT, gettimeofday((void *)-1, NULL) != 0);
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}
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ATF_TC(gettimeofday_mono);
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ATF_TC_HEAD(gettimeofday_mono, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Test monotonicity of gettimeofday(2)");
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}
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ATF_TC_BODY(gettimeofday_mono, tc)
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{
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static const size_t maxiter = 100;
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struct timeval tv1, tv2;
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size_t i;
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for (i = 0; i < maxiter; i++) {
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(void)memset(&tv1, 0, sizeof(struct timeval));
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(void)memset(&tv2, 0, sizeof(struct timeval));
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ATF_REQUIRE(gettimeofday(&tv1, NULL) == 0);
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ATF_REQUIRE(gettimeofday(&tv2, NULL) == 0);
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if (timercmp(&tv2, &tv1, <) != 0)
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atf_tc_fail("time went backwards");
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}
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, gettimeofday_err);
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ATF_TP_ADD_TC(tp, gettimeofday_mono);
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return atf_no_error();
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}
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