1 /* $NetBSD: t_mktime.c,v 1.5 2012/03/18 07:33:58 jruoho Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <atf-c.h> 30 31 #include <err.h> 32 #include <errno.h> 33 #include <string.h> 34 #include <time.h> 35 36 ATF_TC(localtime_r_gmt); 37 ATF_TC_HEAD(localtime_r_gmt, tc) 38 { 39 atf_tc_set_md_var(tc, "descr", "Test that localtime_r(3) " 40 "returns localtime, not GMT (PR lib/28324)"); 41 } 42 43 ATF_TC_BODY(localtime_r_gmt, tc) 44 { 45 struct tm *t; 46 struct tm tt; 47 time_t x; 48 49 x = time(NULL); 50 localtime_r(&x, &tt); 51 t = localtime(&x); 52 53 if (t->tm_sec != tt.tm_sec || t->tm_min != tt.tm_min || 54 t->tm_hour != tt.tm_hour || t->tm_mday != tt.tm_mday) 55 atf_tc_fail("inconsistencies between " 56 "localtime(3) and localtime_r(3)"); 57 } 58 59 ATF_TC(mktime_negyear); 60 ATF_TC_HEAD(mktime_negyear, tc) 61 { 62 atf_tc_set_md_var(tc, "descr", "Test mktime(3) with negative year"); 63 } 64 65 ATF_TC_BODY(mktime_negyear, tc) 66 { 67 struct tm tms; 68 time_t t; 69 70 (void)memset(&tms, 0, sizeof(tms)); 71 tms.tm_year = ~0; 72 73 errno = 0; 74 t = mktime(&tms); 75 #if defined(__FreeBSD__) 76 /* Open Group says "and may set errno to indicate the error" */ 77 ATF_REQUIRE(t == (time_t)-1); 78 #else 79 ATF_REQUIRE_ERRNO(0, t != (time_t)-1); 80 #endif 81 } 82 83 ATF_TC(timegm_epoch); 84 ATF_TC_HEAD(timegm_epoch, tc) 85 { 86 atf_tc_set_md_var(tc, "descr", "Test timegm(3) close to the epoch"); 87 } 88 89 ATF_TC_BODY(timegm_epoch, tc) 90 { 91 struct tm tms; 92 time_t t; 93 94 /* midnight on 1 Jan 1970 */ 95 (void)memset(&tms, 0, sizeof(tms)); 96 errno = 0; 97 tms.tm_year = 1970 - 1900; 98 tms.tm_mday = 1; 99 t = timegm(&tms); 100 ATF_REQUIRE_ERRNO(0, t == (time_t)0); 101 102 /* one second after midnight on 1 Jan 1970 */ 103 (void)memset(&tms, 0, sizeof(tms)); 104 errno = 0; 105 tms.tm_year = 1970 - 1900; 106 tms.tm_mday = 1; 107 tms.tm_sec = 1; 108 t = timegm(&tms); 109 ATF_REQUIRE_ERRNO(0, t == (time_t)1); 110 111 /* 112 * 1969-12-31 23:59:59 = one second before the epoch. 113 * Result should be -1 with errno = 0. 114 */ 115 (void)memset(&tms, 0, sizeof(tms)); 116 errno = 0; 117 tms.tm_year = 1969 - 1900; 118 tms.tm_mon = 12 - 1; 119 tms.tm_mday = 31; 120 tms.tm_hour = 23; 121 tms.tm_min = 59; 122 tms.tm_sec = 59; 123 t = timegm(&tms); 124 ATF_REQUIRE_ERRNO(0, t == (time_t)-1); 125 126 /* 127 * Another way of getting one second before the epoch: 128 * Set date to 1 Jan 1970, and time to -1 second. 129 */ 130 (void)memset(&tms, 0, sizeof(tms)); 131 errno = 0; 132 tms.tm_year = 1970 - 1900; 133 tms.tm_mday = 1; 134 tms.tm_sec = -1; 135 t = timegm(&tms); 136 ATF_REQUIRE_ERRNO(0, t == (time_t)-1); 137 138 /* 139 * Two seconds before the epoch. 140 */ 141 (void)memset(&tms, 0, sizeof(tms)); 142 errno = 0; 143 tms.tm_year = 1970 - 1900; 144 tms.tm_mday = 1; 145 tms.tm_sec = -2; 146 t = timegm(&tms); 147 ATF_REQUIRE_ERRNO(0, t == (time_t)-2); 148 149 } 150 151 152 ATF_TP_ADD_TCS(tp) 153 { 154 155 ATF_TP_ADD_TC(tp, localtime_r_gmt); 156 ATF_TP_ADD_TC(tp, mktime_negyear); 157 ATF_TP_ADD_TC(tp, timegm_epoch); 158 159 return atf_no_error(); 160 } 161