1 /*- 2 * Copyright (c) 2022 Axcient 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions, and the following disclaimer, 10 * without modification. 11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12 * substantially similar to the "NO WARRANTY" disclaimer below 13 * ("Disclaimer") and any redistribution must be conditioned upon 14 * including a substantially similar Disclaimer requirement for further 15 * binary redistribution. 16 * 17 * NO WARRANTY 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGES. 29 */ 30 #include <sys/types.h> 31 #include <sys/time.h> 32 33 #include <inttypes.h> 34 #include <stdio.h> 35 36 #include <atf-c.h> 37 38 39 static void 40 atf_check_nstosbt(sbintime_t expected, int64_t ns) { 41 sbintime_t actual = nstosbt(ns); 42 43 ATF_CHECK_MSG((expected) - 1 <= (actual) && actual <= (expected) + 1, 44 "%"PRId64" != nstosbt(%"PRId64") (%"PRId64")", 45 expected, ns, actual); 46 } 47 48 ATF_TC_WITHOUT_HEAD(nstosbt); 49 ATF_TC_BODY(nstosbt, tc) 50 { 51 atf_check_nstosbt(0, 0); 52 atf_check_nstosbt(4, 1); 53 /* 1 second */ 54 atf_check_nstosbt((1ll << 32) - 4, 999999999); 55 atf_check_nstosbt(1ll << 32, 1000000000); 56 /* 2 seconds https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263073 */ 57 atf_check_nstosbt((1ll << 33) - 4, 1999999999); 58 atf_check_nstosbt(1ll << 33, 2000000000); 59 /* 4 seconds */ 60 atf_check_nstosbt((1ll << 34) - 4, 3999999999); 61 atf_check_nstosbt((1ll << 34), 4000000000); 62 /* Max value */ 63 atf_check_nstosbt(((1ll << 31) - 1) << 32, 64 ((1ll << 31) - 1) * 1000000000); 65 } 66 67 static void 68 atf_check_ustosbt(sbintime_t expected, int64_t us) { 69 sbintime_t actual = ustosbt(us); 70 71 ATF_CHECK_MSG((expected) - 1 <= (actual) && actual <= (expected) + 1, 72 "%"PRId64" != ustosbt(%"PRId64") (%"PRId64")", 73 expected, us, actual); 74 } 75 76 ATF_TC_WITHOUT_HEAD(ustosbt); 77 ATF_TC_BODY(ustosbt, tc) 78 { 79 atf_check_ustosbt(0, 0); 80 atf_check_ustosbt(4295, 1); 81 /* 1 second */ 82 atf_check_ustosbt((1ll << 32) - 4295, 999999); 83 atf_check_ustosbt(1ll << 32, 1000000); 84 /* 2 seconds https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263073 */ 85 atf_check_ustosbt((1ll << 33) - 4295, 1999999); 86 atf_check_ustosbt(1ll << 33, 2000000); 87 /* 4 seconds */ 88 atf_check_ustosbt((1ll << 34) - 4295, 3999999); 89 atf_check_ustosbt(1ll << 34, 4000000); 90 /* Max value */ 91 atf_check_ustosbt(((1ull << 31) - 1) << 32, 92 ((1ll << 31) - 1) * 1000000); 93 } 94 95 static void 96 atf_check_mstosbt(sbintime_t expected, int64_t ms) { 97 sbintime_t actual = mstosbt(ms); 98 99 ATF_CHECK_MSG((expected) - 1 <= (actual) && actual <= (expected) + 1, 100 "%"PRId64" != mstosbt(%"PRId64") (%"PRId64")", 101 expected, ms, actual); 102 } 103 104 ATF_TC_WITHOUT_HEAD(mstosbt); 105 ATF_TC_BODY(mstosbt, tc) 106 { 107 atf_check_mstosbt(0, 0); 108 atf_check_mstosbt(4294967, 1); 109 /* 1 second */ 110 atf_check_mstosbt((1ll << 32) - 4294968, 999); 111 atf_check_mstosbt(1ll << 32, 1000); 112 /* 2 seconds https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263073 */ 113 atf_check_mstosbt((1ll << 33) - 4294968, 1999); 114 atf_check_mstosbt(1ll << 33, 2000); 115 /* 4 seconds */ 116 atf_check_mstosbt((1ll << 34) - 4294968, 3999); 117 atf_check_mstosbt(1ll << 34, 4000); 118 /* Max value */ 119 atf_check_mstosbt(((1ll << 31) - 1) << 32, ((1ll << 31) - 1) * 1000); 120 } 121 122 static void 123 atf_check_sbttons(int64_t expected, sbintime_t sbt) { 124 int64_t actual = sbttons(sbt); 125 126 ATF_CHECK_MSG((expected) - 1 <= (actual) && actual <= (expected) + 1, 127 "%"PRId64" != sbttons(%"PRId64") (%"PRId64")", 128 expected, sbt, actual); 129 } 130 131 ATF_TC_WITHOUT_HEAD(sbttons); 132 ATF_TC_BODY(sbttons, tc) 133 { 134 atf_check_sbttons(0, 0); 135 atf_check_sbttons(0, 1); 136 atf_check_sbttons(1, (1ll << 32) / 1000000000); 137 /* 1 second */ 138 atf_check_sbttons(1000000000, 1ll << 32); 139 atf_check_sbttons(1999999999, (1ll << 33) - 1); 140 /* 2 seconds */ 141 atf_check_sbttons(1999999999, (1ll << 33) - 1); 142 atf_check_sbttons(2000000000, 1ll << 33); 143 /* 4 seconds */ 144 atf_check_sbttons(3999999999, (1ll << 34) - 1); 145 atf_check_sbttons(4000000000, 1ll << 34); 146 /* edge cases */ 147 atf_check_sbttons(999999999, (1ll << 32) - 1); 148 atf_check_sbttons((1ll << 31) * 1000000000, (1ull << 63) - 1); 149 } 150 151 static void 152 atf_check_sbttous(int64_t expected, sbintime_t sbt) { 153 int64_t actual = sbttous(sbt); 154 155 ATF_CHECK_MSG((expected) - 1 <= (actual) && actual <= (expected) + 1, 156 "%"PRId64" != sbttous(%"PRId64") (%"PRId64")", 157 expected, sbt, actual); 158 } 159 160 ATF_TC_WITHOUT_HEAD(sbttous); 161 ATF_TC_BODY(sbttous, tc) 162 { 163 atf_check_sbttous(0, 0); 164 atf_check_sbttous(0, 1); 165 atf_check_sbttous(1, (1ll << 32) / 1000000); 166 /* 1 second */ 167 atf_check_sbttous(1000000, 1ll << 32); 168 atf_check_sbttous(1999999, (1ll << 33) - 1); 169 /* 2 seconds */ 170 atf_check_sbttous(1999999, (1ll << 33) - 1); 171 atf_check_sbttous(2000000, 1ll << 33); 172 /* 4 seconds */ 173 atf_check_sbttous(3999999, (1ll << 34) -1); 174 atf_check_sbttous(4000000, 1ll << 34); 175 /* Overflows (bug 263073) */ 176 atf_check_sbttous(1ll << 31, (1ull << 63) / 1000000); 177 atf_check_sbttous(1ll << 31, (1ull << 63) / 1000000 + 1); 178 atf_check_sbttous((1ll << 31) * 1000000, (1ull << 63) - 1); 179 } 180 181 static void 182 atf_check_sbttoms(int64_t expected, sbintime_t sbt) { 183 int64_t actual = sbttoms(sbt); 184 185 ATF_CHECK_MSG((expected) - 1 <= (actual) && actual <= (expected) + 1, 186 "%"PRId64" != sbttoms(%"PRId64") (%"PRId64")", 187 expected, sbt, actual); 188 } 189 190 ATF_TC_WITHOUT_HEAD(sbttoms); 191 ATF_TC_BODY(sbttoms, tc) 192 { 193 atf_check_sbttoms(0, 0); 194 atf_check_sbttoms(0, 1); 195 atf_check_sbttoms(1, (1ll << 32) / 1000); 196 /* 1 second */ 197 atf_check_sbttoms(999, (1ll << 32) - 1); 198 atf_check_sbttoms(1000, 1ll << 32); 199 /* 2 seconds */ 200 atf_check_sbttoms(1999, (1ll << 33) - 1); 201 atf_check_sbttoms(2000, 1ll << 33); 202 /* 4 seconds */ 203 atf_check_sbttoms(3999, (1ll << 34) - 1); 204 atf_check_sbttoms(4000, 1ll << 34); 205 /* Overflows (bug 263073) */ 206 atf_check_sbttoms(1ll << 31, (1ull << 63) / 1000); 207 atf_check_sbttoms(1ll << 31, (1ull << 63) / 1000 + 1); 208 atf_check_sbttoms((1ll << 31) * 1000, (1ull << 63) - 1); 209 } 210 211 ATF_TP_ADD_TCS(tp) 212 { 213 214 ATF_TP_ADD_TC(tp, nstosbt); 215 ATF_TP_ADD_TC(tp, ustosbt); 216 ATF_TP_ADD_TC(tp, mstosbt); 217 ATF_TP_ADD_TC(tp, sbttons); 218 ATF_TP_ADD_TC(tp, sbttous); 219 ATF_TP_ADD_TC(tp, sbttoms); 220 221 return (atf_no_error()); 222 } 223