1 /*- 2 * Copyright (c) 2015 EMC Corp. 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 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/queue.h> 28 #include <stdio.h> 29 #include <stdlib.h> 30 31 #include <atf-c.h> 32 33 ATF_TC(slist_test); 34 ATF_TC_HEAD(slist_test, tc) 35 { 36 37 atf_tc_set_md_var(tc, "descr", "SLIST macro feature tests"); 38 } 39 40 ATF_TC_BODY(slist_test, tc) 41 { 42 SLIST_HEAD(stailhead, entry) head = SLIST_HEAD_INITIALIZER(head); 43 struct entry { 44 SLIST_ENTRY(entry) entries; 45 int i; 46 } *n1, *n2, *n3, *np; 47 int i, j, length; 48 49 SLIST_INIT(&head); 50 51 printf("Ensuring SLIST_EMPTY works\n"); 52 53 ATF_REQUIRE(SLIST_EMPTY(&head)); 54 55 i = length = 0; 56 57 SLIST_FOREACH(np, &head, entries) { 58 length++; 59 } 60 ATF_REQUIRE_EQ(length, 0); 61 62 printf("Ensuring SLIST_INSERT_HEAD works\n"); 63 64 n1 = malloc(sizeof(struct entry)); 65 ATF_REQUIRE(n1 != NULL); 66 n1->i = i++; 67 68 SLIST_INSERT_HEAD(&head, n1, entries); 69 70 printf("Ensuring SLIST_FIRST returns element 1\n"); 71 ATF_REQUIRE_EQ(SLIST_FIRST(&head), n1); 72 73 j = length = 0; 74 SLIST_FOREACH(np, &head, entries) { 75 ATF_REQUIRE_EQ_MSG(np->i, j, 76 "%d (entry counter) != %d (counter)", np->i, j); 77 j++; 78 length++; 79 } 80 ATF_REQUIRE_EQ(length, 1); 81 82 printf("Ensuring SLIST_INSERT_AFTER works\n"); 83 84 n2 = malloc(sizeof(struct entry)); 85 ATF_REQUIRE(n2 != NULL); 86 n2->i = i++; 87 88 SLIST_INSERT_AFTER(n1, n2, entries); 89 90 n3 = malloc(sizeof(struct entry)); 91 ATF_REQUIRE(n3 != NULL); 92 n3->i = i++; 93 94 SLIST_INSERT_AFTER(n2, n3, entries); 95 96 j = length = 0; 97 SLIST_FOREACH(np, &head, entries) { 98 ATF_REQUIRE_EQ_MSG(np->i, j, 99 "%d (entry counter) != %d (counter)", np->i, j); 100 j++; 101 length++; 102 } 103 ATF_REQUIRE_EQ(length, 3); 104 105 printf("Ensuring SLIST_REMOVE_HEAD works\n"); 106 107 printf("Ensuring SLIST_FIRST returns element 1\n"); 108 ATF_REQUIRE_EQ(SLIST_FIRST(&head), n1); 109 110 SLIST_REMOVE_HEAD(&head, entries); 111 112 printf("Ensuring SLIST_FIRST now returns element 2\n"); 113 ATF_REQUIRE_EQ(SLIST_FIRST(&head), n2); 114 115 j = 1; /* Starting point's 1 this time */ 116 length = 0; 117 SLIST_FOREACH(np, &head, entries) { 118 ATF_REQUIRE_EQ_MSG(np->i, j, 119 "%d (entry counter) != %d (counter)", np->i, j); 120 j++; 121 length++; 122 } 123 ATF_REQUIRE_EQ(length, 2); 124 125 printf("Ensuring SLIST_REMOVE_AFTER works by removing the tail\n"); 126 127 SLIST_REMOVE_AFTER(n2, entries); 128 129 j = 1; /* Starting point's 1 this time */ 130 length = 0; 131 SLIST_FOREACH(np, &head, entries) { 132 ATF_REQUIRE_EQ_MSG(np->i, j, 133 "%d (entry counter) != %d (counter)", np->i, j); 134 j++; 135 length++; 136 } 137 ATF_REQUIRE_EQ(length, 1); 138 139 printf("Ensuring SLIST_FIRST returns element 2\n"); 140 ATF_REQUIRE_EQ(SLIST_FIRST(&head), n2); 141 142 } 143 144 ATF_TC(stailq_test); 145 ATF_TC_HEAD(stailq_test, tc) 146 { 147 148 atf_tc_set_md_var(tc, "descr", "STAILQ macro feature tests"); 149 } 150 151 ATF_TC_BODY(stailq_test, tc) 152 { 153 STAILQ_HEAD(stailhead, entry) head = STAILQ_HEAD_INITIALIZER(head); 154 struct entry { 155 STAILQ_ENTRY(entry) entries; 156 int i; 157 } *n1, *n2, *n3, *np; 158 int i, j, length; 159 160 printf("Ensuring empty STAILQs are treated properly\n"); 161 STAILQ_INIT(&head); 162 ATF_REQUIRE(STAILQ_EMPTY(&head)); 163 164 i = length = 0; 165 166 STAILQ_FOREACH(np, &head, entries) { 167 length++; 168 } 169 ATF_REQUIRE_EQ(length, 0); 170 171 printf("Ensuring STAILQ_INSERT_HEAD works\n"); 172 173 n1 = malloc(sizeof(struct entry)); 174 ATF_REQUIRE(n1 != NULL); 175 n1->i = i++; 176 177 STAILQ_INSERT_HEAD(&head, n1, entries); 178 179 j = length = 0; 180 STAILQ_FOREACH(np, &head, entries) { 181 ATF_REQUIRE_EQ_MSG(np->i, j, 182 "%d (entry counter) != %d (counter)", np->i, j); 183 j++; 184 length++; 185 } 186 ATF_REQUIRE_EQ(length, 1); 187 188 printf("Ensuring STAILQ_INSERT_TAIL works\n"); 189 190 n2 = malloc(sizeof(struct entry)); 191 ATF_REQUIRE(n2 != NULL); 192 n2->i = i++; 193 194 STAILQ_INSERT_TAIL(&head, n2, entries); 195 196 n3 = malloc(sizeof(struct entry)); 197 ATF_REQUIRE(n3 != NULL); 198 n3->i = i++; 199 200 STAILQ_INSERT_TAIL(&head, n3, entries); 201 202 j = length = 0; 203 STAILQ_FOREACH(np, &head, entries) { 204 ATF_REQUIRE_EQ_MSG(np->i, j, 205 "%d (entry counter) != %d (counter)", np->i, j); 206 j++; 207 length++; 208 } 209 ATF_REQUIRE_EQ(length, 3); 210 211 printf("Ensuring STAILQ_REMOVE_HEAD works\n"); 212 213 STAILQ_REMOVE_HEAD(&head, entries); 214 215 j = 1; /* Starting point's 1 this time */ 216 length = 0; 217 STAILQ_FOREACH(np, &head, entries) { 218 ATF_REQUIRE_EQ_MSG(np->i, j, 219 "%d (entry counter) != %d (counter)", np->i, j); 220 j++; 221 length++; 222 } 223 ATF_REQUIRE_EQ(length, 2); 224 225 } 226 227 ATF_TP_ADD_TCS(tp) 228 { 229 230 ATF_TP_ADD_TC(tp, slist_test); 231 ATF_TP_ADD_TC(tp, stailq_test); 232 233 return (atf_no_error()); 234 } 235