1272343Sngie/* $NetBSD: t_time.c,v 1.2 2011/11/11 05:03:38 jruoho Exp $ */ 2272343Sngie 3272343Sngie/*- 4272343Sngie * Copyright (c) 2011 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * This code is derived from software contributed to The NetBSD Foundation 8272343Sngie * by Jukka Ruohonen. 9272343Sngie * 10272343Sngie * Redistribution and use in source and binary forms, with or without 11272343Sngie * modification, are permitted provided that the following conditions 12272343Sngie * are met: 13272343Sngie * 1. Redistributions of source code must retain the above copyright 14272343Sngie * notice, this list of conditions and the following disclaimer. 15272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 16272343Sngie * notice, this list of conditions and the following disclaimer in the 17272343Sngie * documentation and/or other materials provided with the distribution. 18272343Sngie * 19272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29272343Sngie * POSSIBILITY OF SUCH DAMAGE. 30272343Sngie */ 31272343Sngie#include <sys/cdefs.h> 32272343Sngie__RCSID("$NetBSD: t_time.c,v 1.2 2011/11/11 05:03:38 jruoho Exp $"); 33272343Sngie 34276478Sngie#ifdef __FreeBSD__ 35276478Sngie#include <sys/time.h> 36276478Sngie#endif 37272343Sngie#include <atf-c.h> 38272343Sngie#include <errno.h> 39272343Sngie#include <inttypes.h> 40272343Sngie#include <stdint.h> 41272343Sngie#include <stdio.h> 42272343Sngie#include <stdlib.h> 43272343Sngie#include <time.h> 44272343Sngie#include <unistd.h> 45272343Sngie 46272343SngieATF_TC(time_copy); 47272343SngieATF_TC_HEAD(time_copy, tc) 48272343Sngie{ 49272343Sngie atf_tc_set_md_var(tc, "descr", "Test the return values of time(3)"); 50272343Sngie} 51272343Sngie 52272343SngieATF_TC_BODY(time_copy, tc) 53272343Sngie{ 54272343Sngie time_t t1, t2 = 0; 55272343Sngie 56272343Sngie t1 = time(&t2); 57272343Sngie 58272343Sngie if (t1 != t2) 59272343Sngie atf_tc_fail("incorrect return values from time(3)"); 60272343Sngie} 61272343Sngie 62272343SngieATF_TC(time_mono); 63272343SngieATF_TC_HEAD(time_mono, tc) 64272343Sngie{ 65272343Sngie atf_tc_set_md_var(tc, "descr", "Test monotonicity of time(3)"); 66272343Sngie} 67272343Sngie 68272343SngieATF_TC_BODY(time_mono, tc) 69272343Sngie{ 70272343Sngie const size_t maxiter = 10; 71272343Sngie time_t t1, t2; 72272343Sngie size_t i; 73272343Sngie 74272343Sngie for (i = 0; i < maxiter; i++) { 75272343Sngie 76272343Sngie t1 = time(NULL); 77272343Sngie (void)sleep(1); 78272343Sngie t2 = time(NULL); 79272343Sngie 80272343Sngie (void)fprintf(stderr, "%"PRId64" vs. %"PRId64"\n", 81272343Sngie (int64_t)t1, (int64_t)t2); 82272343Sngie 83272343Sngie if (t1 >= t2) 84272343Sngie atf_tc_fail("time(3) is not monotonic"); 85272343Sngie } 86272343Sngie} 87272343Sngie 88272343SngieATF_TC(time_timeofday); 89272343SngieATF_TC_HEAD(time_timeofday, tc) 90272343Sngie{ 91272343Sngie atf_tc_set_md_var(tc, "descr", "Test time(3) vs. gettimeofday(2)"); 92272343Sngie} 93272343Sngie 94272343SngieATF_TC_BODY(time_timeofday, tc) 95272343Sngie{ 96272343Sngie struct timeval tv = { 0, 0 }; 97272343Sngie time_t t; 98272343Sngie 99272343Sngie t = time(NULL); 100272343Sngie ATF_REQUIRE(gettimeofday(&tv, NULL) == 0); 101272343Sngie 102272343Sngie (void)fprintf(stderr, "%"PRId64" vs. %"PRId64"\n", 103272343Sngie (int64_t)t, (int64_t)tv.tv_sec); 104272343Sngie 105272343Sngie if (t != tv.tv_sec) 106272343Sngie atf_tc_fail("time(3) and gettimeofday(2) differ"); 107272343Sngie} 108272343Sngie 109272343SngieATF_TP_ADD_TCS(tp) 110272343Sngie{ 111272343Sngie 112272343Sngie ATF_TP_ADD_TC(tp, time_copy); 113272343Sngie ATF_TP_ADD_TC(tp, time_mono); 114272343Sngie ATF_TP_ADD_TC(tp, time_timeofday); 115272343Sngie 116272343Sngie return atf_no_error(); 117272343Sngie} 118