t_time.c revision 1.1.2.2
1 1.1.2.2 yamt /* $NetBSD: t_time.c,v 1.1.2.2 2011/11/10 14:31:52 yamt Exp $ */ 2 1.1.2.2 yamt 3 1.1.2.2 yamt /*- 4 1.1.2.2 yamt * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 1.1.2.2 yamt * All rights reserved. 6 1.1.2.2 yamt * 7 1.1.2.2 yamt * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 yamt * by Jukka Ruohonen. 9 1.1.2.2 yamt * 10 1.1.2.2 yamt * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 yamt * modification, are permitted provided that the following conditions 12 1.1.2.2 yamt * are met: 13 1.1.2.2 yamt * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 yamt * documentation and/or other materials provided with the distribution. 18 1.1.2.2 yamt * 19 1.1.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1.2.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 30 1.1.2.2 yamt */ 31 1.1.2.2 yamt #include <sys/cdefs.h> 32 1.1.2.2 yamt __RCSID("$NetBSD: t_time.c,v 1.1.2.2 2011/11/10 14:31:52 yamt Exp $"); 33 1.1.2.2 yamt 34 1.1.2.2 yamt #include <atf-c.h> 35 1.1.2.2 yamt #include <errno.h> 36 1.1.2.2 yamt #include <inttypes.h> 37 1.1.2.2 yamt #include <stdint.h> 38 1.1.2.2 yamt #include <stdio.h> 39 1.1.2.2 yamt #include <stdlib.h> 40 1.1.2.2 yamt #include <time.h> 41 1.1.2.2 yamt #include <unistd.h> 42 1.1.2.2 yamt 43 1.1.2.2 yamt ATF_TC(time_copy); 44 1.1.2.2 yamt ATF_TC_HEAD(time_copy, tc) 45 1.1.2.2 yamt { 46 1.1.2.2 yamt atf_tc_set_md_var(tc, "descr", "Test the return values of time(3)"); 47 1.1.2.2 yamt } 48 1.1.2.2 yamt 49 1.1.2.2 yamt ATF_TC_BODY(time_copy, tc) 50 1.1.2.2 yamt { 51 1.1.2.2 yamt time_t t1, t2 = 0; 52 1.1.2.2 yamt 53 1.1.2.2 yamt t1 = time(&t2); 54 1.1.2.2 yamt 55 1.1.2.2 yamt if (t1 != t2) 56 1.1.2.2 yamt atf_tc_fail("incorrect return values from time(3)"); 57 1.1.2.2 yamt } 58 1.1.2.2 yamt 59 1.1.2.2 yamt ATF_TC(time_mono); 60 1.1.2.2 yamt ATF_TC_HEAD(time_mono, tc) 61 1.1.2.2 yamt { 62 1.1.2.2 yamt atf_tc_set_md_var(tc, "descr", "Test monotonicity of time(3)"); 63 1.1.2.2 yamt } 64 1.1.2.2 yamt 65 1.1.2.2 yamt ATF_TC_BODY(time_mono, tc) 66 1.1.2.2 yamt { 67 1.1.2.2 yamt const size_t maxiter = 10; 68 1.1.2.2 yamt time_t t1, t2; 69 1.1.2.2 yamt size_t i; 70 1.1.2.2 yamt 71 1.1.2.2 yamt for (i = 0; i < maxiter; i++) { 72 1.1.2.2 yamt 73 1.1.2.2 yamt t1 = time(NULL); 74 1.1.2.2 yamt (void)sleep(1); 75 1.1.2.2 yamt t2 = time(NULL); 76 1.1.2.2 yamt 77 1.1.2.2 yamt (void)fprintf(stderr, "%"PRId64" vs. %"PRId64"\n", 78 1.1.2.2 yamt (int64_t)t1, (int64_t)t2); 79 1.1.2.2 yamt 80 1.1.2.2 yamt if (t1 >= t2) 81 1.1.2.2 yamt atf_tc_fail("time(3) is not monotonic"); 82 1.1.2.2 yamt } 83 1.1.2.2 yamt } 84 1.1.2.2 yamt 85 1.1.2.2 yamt ATF_TC(time_timeofday); 86 1.1.2.2 yamt ATF_TC_HEAD(time_timeofday, tc) 87 1.1.2.2 yamt { 88 1.1.2.2 yamt atf_tc_set_md_var(tc, "descr", "Test time(3) vs. gettimeofday(2)"); 89 1.1.2.2 yamt } 90 1.1.2.2 yamt 91 1.1.2.2 yamt ATF_TC_BODY(time_timeofday, tc) 92 1.1.2.2 yamt { 93 1.1.2.2 yamt struct timeval tv = { 0, 0 }; 94 1.1.2.2 yamt time_t t; 95 1.1.2.2 yamt 96 1.1.2.2 yamt t = time(NULL); 97 1.1.2.2 yamt ATF_REQUIRE(gettimeofday(&tv, NULL) == 0); 98 1.1.2.2 yamt 99 1.1.2.2 yamt (void)fprintf(stderr, "%"PRIu64" vs. %"PRIu64"\n", 100 1.1.2.2 yamt (int64_t)t, (int64_t)tv.tv_sec); 101 1.1.2.2 yamt 102 1.1.2.2 yamt if (t != tv.tv_sec) 103 1.1.2.2 yamt atf_tc_fail("time(3) and gettimeofday(2) differ"); 104 1.1.2.2 yamt } 105 1.1.2.2 yamt 106 1.1.2.2 yamt ATF_TP_ADD_TCS(tp) 107 1.1.2.2 yamt { 108 1.1.2.2 yamt 109 1.1.2.2 yamt ATF_TP_ADD_TC(tp, time_copy); 110 1.1.2.2 yamt ATF_TP_ADD_TC(tp, time_mono); 111 1.1.2.2 yamt ATF_TP_ADD_TC(tp, time_timeofday); 112 1.1.2.2 yamt 113 1.1.2.2 yamt return atf_no_error(); 114 1.1.2.2 yamt } 115
Indexes created Thu Oct 02 01:09:59 GMT 2025