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      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