1 /* $NetBSD: t_hsearch.c,v 1.4 2014/07/20 20:17:21 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 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 /* 30 * Copyright (c) 2001 Christopher G. Demetriou 31 * All rights reserved. 32 * 33 * Redistribution and use in source and binary forms, with or without 34 * modification, are permitted provided that the following conditions 35 * are met: 36 * 1. Redistributions of source code must retain the above copyright 37 * notice, this list of conditions and the following disclaimer. 38 * 2. Redistributions in binary form must reproduce the above copyright 39 * notice, this list of conditions and the following disclaimer in the 40 * documentation and/or other materials provided with the distribution. 41 * 3. All advertising materials mentioning features or use of this software 42 * must display the following acknowledgement: 43 * This product includes software developed for the 44 * NetBSD Project. See http://www.NetBSD.org/ for 45 * information about NetBSD. 46 * 4. The name of the author may not be used to endorse or promote products 47 * derived from this software without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 50 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 51 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 52 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 53 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 54 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 55 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 56 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 57 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 58 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 59 * 60 * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>> 61 */ 62 63 #include <sys/cdefs.h> 64 __COPYRIGHT("@(#) Copyright (c) 2008\ 65 The NetBSD Foundation, inc. All rights reserved."); 66 __RCSID("$NetBSD: t_hsearch.c,v 1.4 2014/07/20 20:17:21 christos Exp $"); 67 68 #include <errno.h> 69 #include <search.h> 70 #include <string.h> 71 #include <stdio.h> 72 #include <stdlib.h> 73 74 #include <atf-c.h> 75 76 #define REQUIRE_ERRNO(x) ATF_REQUIRE_MSG(x, "%s", strerror(errno)) 77 78 ATF_TC(hsearch_basic); 79 ATF_TC_HEAD(hsearch_basic, tc) 80 { 81 82 atf_tc_set_md_var(tc, "descr", "Checks basic insertions and searching"); 83 } 84 85 ATF_TC_BODY(hsearch_basic, tc) 86 { 87 ENTRY e, *ep; 88 char ch[2]; 89 int i; 90 91 REQUIRE_ERRNO(hcreate(16) != 0); 92 93 /* ch[1] should be constant from here on down. */ 94 ch[1] = '\0'; 95 96 /* Basic insertions. Check enough that there'll be collisions. */ 97 for (i = 0; i < 26; i++) { 98 ch[0] = 'a' + i; 99 e.key = strdup(ch); /* ptr to provided key is kept! */ 100 ATF_REQUIRE(e.key != NULL); 101 e.data = (void *)(intptr_t)i; 102 103 ep = hsearch(e, ENTER); 104 105 ATF_REQUIRE(ep != NULL); 106 ATF_REQUIRE_STREQ(ep->key, ch); 107 ATF_REQUIRE_EQ((intptr_t)ep->data, i); 108 } 109 110 /* e.key should be constant from here on down. */ 111 e.key = ch; 112 113 /* Basic lookups. */ 114 for (i = 0; i < 26; i++) { 115 ch[0] = 'a' + i; 116 117 ep = hsearch(e, FIND); 118 119 ATF_REQUIRE(ep != NULL); 120 ATF_REQUIRE_STREQ(ep->key, ch); 121 ATF_REQUIRE_EQ((intptr_t)ep->data, i); 122 } 123 124 hdestroy1(free, NULL); 125 } 126 127 ATF_TC(hsearch_duplicate); 128 ATF_TC_HEAD(hsearch_duplicate, tc) 129 { 130 131 atf_tc_set_md_var(tc, "descr", "Checks that inserting duplicate " 132 "doesn't overwrite existing data"); 133 } 134 135 ATF_TC_BODY(hsearch_duplicate, tc) 136 { 137 ENTRY e, *ep; 138 139 REQUIRE_ERRNO(hcreate(16)); 140 141 e.key = __UNCONST("a"); 142 e.data = (void *)(intptr_t) 0; 143 144 ep = hsearch(e, ENTER); 145 146 ATF_REQUIRE(ep != NULL); 147 ATF_REQUIRE_STREQ(ep->key, "a"); 148 ATF_REQUIRE_EQ((intptr_t)ep->data, 0); 149 150 e.data = (void *)(intptr_t)12345; 151 152 ep = hsearch(e, ENTER); 153 ep = hsearch(e, FIND); 154 155 ATF_REQUIRE(ep != NULL); 156 ATF_REQUIRE_STREQ(ep->key, "a"); 157 ATF_REQUIRE_EQ((intptr_t)ep->data, 0); 158 159 hdestroy(); 160 } 161 162 ATF_TC(hsearch_nonexistent); 163 ATF_TC_HEAD(hsearch_nonexistent, tc) 164 { 165 166 atf_tc_set_md_var(tc, "descr", 167 "Checks searching for non-existent entry"); 168 } 169 170 ATF_TC_BODY(hsearch_nonexistent, tc) 171 { 172 ENTRY e, *ep; 173 174 REQUIRE_ERRNO(hcreate(16)); 175 176 e.key = __UNCONST("A"); 177 ep = hsearch(e, FIND); 178 ATF_REQUIRE_EQ(ep, NULL); 179 180 hdestroy(); 181 } 182 183 ATF_TC(hsearch_two); 184 ATF_TC_HEAD(hsearch_two, tc) 185 { 186 187 atf_tc_set_md_var(tc, "descr", 188 "Checks that searching doesn't overwrite previous search results"); 189 } 190 191 ATF_TC_BODY(hsearch_two, tc) 192 { 193 ENTRY e, *ep, *ep2; 194 195 REQUIRE_ERRNO(hcreate(16)); 196 197 e.key = __UNCONST("a"); 198 e.data = (void*)(intptr_t)0; 199 200 ep = hsearch(e, ENTER); 201 202 ATF_REQUIRE(ep != NULL); 203 ATF_REQUIRE_STREQ(ep->key, "a"); 204 ATF_REQUIRE_EQ((intptr_t)ep->data, 0); 205 206 e.key = __UNCONST("b"); 207 e.data = (void*)(intptr_t)1; 208 209 ep = hsearch(e, ENTER); 210 211 ATF_REQUIRE(ep != NULL); 212 ATF_REQUIRE_STREQ(ep->key, "b"); 213 ATF_REQUIRE_EQ((intptr_t)ep->data, 1); 214 215 e.key = __UNCONST("a"); 216 ep = hsearch(e, FIND); 217 218 e.key = __UNCONST("b"); 219 ep2 = hsearch(e, FIND); 220 221 ATF_REQUIRE(ep != NULL); 222 ATF_REQUIRE_STREQ(ep->key, "a"); 223 ATF_REQUIRE_EQ((intptr_t)ep->data, 0); 224 225 ATF_REQUIRE(ep2 != NULL); 226 ATF_REQUIRE_STREQ(ep2->key, "b"); 227 ATF_REQUIRE_EQ((intptr_t)ep2->data, 1); 228 229 hdestroy(); 230 } 231 232 ATF_TC(hsearch_r_basic); 233 ATF_TC_HEAD(hsearch_r_basic, tc) 234 { 235 236 atf_tc_set_md_var(tc, "descr", "Checks basic insertions and searching"); 237 } 238 239 ATF_TC_BODY(hsearch_r_basic, tc) 240 { 241 ENTRY e, *ep; 242 char ch[2]; 243 int i; 244 struct hsearch_data t; 245 246 REQUIRE_ERRNO(hcreate_r(16, &t) != 0); 247 248 /* ch[1] should be constant from here on down. */ 249 ch[1] = '\0'; 250 251 /* Basic insertions. Check enough that there'll be collisions. */ 252 for (i = 0; i < 26; i++) { 253 ch[0] = 'a' + i; 254 e.key = strdup(ch); /* ptr to provided key is kept! */ 255 ATF_REQUIRE(e.key != NULL); 256 e.data = (void *)(intptr_t)i; 257 258 ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1); 259 ATF_REQUIRE(ep != NULL); 260 ATF_REQUIRE_STREQ(ep->key, ch); 261 ATF_REQUIRE_EQ((intptr_t)ep->data, i); 262 } 263 264 /* e.key should be constant from here on down. */ 265 e.key = ch; 266 267 /* Basic lookups. */ 268 for (i = 0; i < 26; i++) { 269 ch[0] = 'a' + i; 270 271 ATF_REQUIRE(hsearch_r(e, FIND, &ep, &t) == 1); 272 ATF_REQUIRE(ep != NULL); 273 ATF_REQUIRE_STREQ(ep->key, ch); 274 ATF_REQUIRE_EQ((intptr_t)ep->data, i); 275 } 276 277 hdestroy1_r(&t, free, NULL); 278 } 279 280 ATF_TC(hsearch_r_duplicate); 281 ATF_TC_HEAD(hsearch_r_duplicate, tc) 282 { 283 284 atf_tc_set_md_var(tc, "descr", "Checks that inserting duplicate " 285 "doesn't overwrite existing data"); 286 } 287 288 ATF_TC_BODY(hsearch_r_duplicate, tc) 289 { 290 ENTRY e, *ep; 291 struct hsearch_data t; 292 293 REQUIRE_ERRNO(hcreate_r(16, &t)); 294 295 e.key = __UNCONST("a"); 296 e.data = (void *)(intptr_t) 0; 297 298 ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1); 299 ATF_REQUIRE(ep != NULL); 300 ATF_REQUIRE_STREQ(ep->key, "a"); 301 ATF_REQUIRE_EQ((intptr_t)ep->data, 0); 302 303 e.data = (void *)(intptr_t)12345; 304 305 ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1); 306 ATF_REQUIRE(hsearch_r(e, FIND, &ep, &t) == 1); 307 308 ATF_REQUIRE(ep != NULL); 309 ATF_REQUIRE_STREQ(ep->key, "a"); 310 ATF_REQUIRE_EQ((intptr_t)ep->data, 0); 311 312 hdestroy_r(&t); 313 } 314 315 ATF_TC(hsearch_r_nonexistent); 316 ATF_TC_HEAD(hsearch_r_nonexistent, tc) 317 { 318 319 atf_tc_set_md_var(tc, "descr", 320 "Checks searching for non-existent entry"); 321 } 322 323 ATF_TC_BODY(hsearch_r_nonexistent, tc) 324 { 325 ENTRY e, *ep; 326 struct hsearch_data t; 327 328 REQUIRE_ERRNO(hcreate_r(16, &t)); 329 330 e.key = __UNCONST("A"); 331 ATF_REQUIRE(hsearch_r(e, FIND, &ep, &t) == 1); 332 ATF_REQUIRE_EQ(ep, NULL); 333 334 hdestroy_r(&t); 335 } 336 337 ATF_TC(hsearch_r_two); 338 ATF_TC_HEAD(hsearch_r_two, tc) 339 { 340 341 atf_tc_set_md_var(tc, "descr", 342 "Checks that searching doesn't overwrite previous search results"); 343 } 344 345 ATF_TC_BODY(hsearch_r_two, tc) 346 { 347 ENTRY e, *ep, *ep2; 348 struct hsearch_data t; 349 350 REQUIRE_ERRNO(hcreate_r(16, &t)); 351 352 e.key = __UNCONST("a"); 353 e.data = (void*)(intptr_t)0; 354 355 ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1); 356 ATF_REQUIRE(ep != NULL); 357 ATF_REQUIRE_STREQ(ep->key, "a"); 358 ATF_REQUIRE_EQ((intptr_t)ep->data, 0); 359 360 e.key = __UNCONST("b"); 361 e.data = (void*)(intptr_t)1; 362 363 ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1); 364 ATF_REQUIRE(ep != NULL); 365 ATF_REQUIRE_STREQ(ep->key, "b"); 366 ATF_REQUIRE_EQ((intptr_t)ep->data, 1); 367 368 e.key = __UNCONST("a"); 369 ATF_REQUIRE(hsearch_r(e, FIND, &ep, &t) == 1); 370 371 e.key = __UNCONST("b"); 372 ATF_REQUIRE(hsearch_r(e, FIND, &ep2, &t) == 1); 373 374 ATF_REQUIRE(ep != NULL); 375 ATF_REQUIRE_STREQ(ep->key, "a"); 376 ATF_REQUIRE_EQ((intptr_t)ep->data, 0); 377 378 ATF_REQUIRE(ep2 != NULL); 379 ATF_REQUIRE_STREQ(ep2->key, "b"); 380 ATF_REQUIRE_EQ((intptr_t)ep2->data, 1); 381 382 hdestroy_r(&t); 383 } 384 385 ATF_TP_ADD_TCS(tp) 386 { 387 388 ATF_TP_ADD_TC(tp, hsearch_basic); 389 ATF_TP_ADD_TC(tp, hsearch_duplicate); 390 ATF_TP_ADD_TC(tp, hsearch_nonexistent); 391 ATF_TP_ADD_TC(tp, hsearch_two); 392 393 ATF_TP_ADD_TC(tp, hsearch_r_basic); 394 ATF_TP_ADD_TC(tp, hsearch_r_duplicate); 395 ATF_TP_ADD_TC(tp, hsearch_r_nonexistent); 396 ATF_TP_ADD_TC(tp, hsearch_r_two); 397 398 return atf_no_error(); 399 } 400