115 lines
3 KiB
C
115 lines
3 KiB
C
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/* $NetBSD: t_time.c,v 1.2 2011/11/11 05:03:38 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_time.c,v 1.2 2011/11/11 05:03:38 jruoho Exp $");
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#include <atf-c.h>
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#include <errno.h>
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#include <inttypes.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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ATF_TC(time_copy);
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ATF_TC_HEAD(time_copy, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Test the return values of time(3)");
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}
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ATF_TC_BODY(time_copy, tc)
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{
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time_t t1, t2 = 0;
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t1 = time(&t2);
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if (t1 != t2)
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atf_tc_fail("incorrect return values from time(3)");
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}
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ATF_TC(time_mono);
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ATF_TC_HEAD(time_mono, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Test monotonicity of time(3)");
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}
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ATF_TC_BODY(time_mono, tc)
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{
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const size_t maxiter = 10;
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time_t t1, t2;
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size_t i;
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for (i = 0; i < maxiter; i++) {
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t1 = time(NULL);
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(void)sleep(1);
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t2 = time(NULL);
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(void)fprintf(stderr, "%"PRId64" vs. %"PRId64"\n",
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(int64_t)t1, (int64_t)t2);
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if (t1 >= t2)
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atf_tc_fail("time(3) is not monotonic");
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}
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}
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ATF_TC(time_timeofday);
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ATF_TC_HEAD(time_timeofday, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Test time(3) vs. gettimeofday(2)");
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}
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ATF_TC_BODY(time_timeofday, tc)
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{
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struct timeval tv = { 0, 0 };
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time_t t;
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t = time(NULL);
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ATF_REQUIRE(gettimeofday(&tv, NULL) == 0);
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(void)fprintf(stderr, "%"PRId64" vs. %"PRId64"\n",
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(int64_t)t, (int64_t)tv.tv_sec);
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if (t != tv.tv_sec)
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atf_tc_fail("time(3) and gettimeofday(2) differ");
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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, time_copy);
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ATF_TP_ADD_TC(tp, time_mono);
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ATF_TP_ADD_TC(tp, time_timeofday);
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return atf_no_error();
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}
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