xref: /freebsd/contrib/netbsd-tests/lib/libc/stdlib/t_hsearch.c (revision e6bfd18d21b225af6a0ed67ceeaf1293b7b9eba5)
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 #ifdef __NetBSD__
125 	hdestroy1(free, NULL);
126 #else
127 	hdestroy();
128 #endif
129 }
130 
131 ATF_TC(hsearch_duplicate);
132 ATF_TC_HEAD(hsearch_duplicate, tc)
133 {
134 
135 	atf_tc_set_md_var(tc, "descr", "Checks that inserting duplicate "
136 	    "doesn't overwrite existing data");
137 }
138 
139 ATF_TC_BODY(hsearch_duplicate, tc)
140 {
141 	ENTRY e, *ep;
142 
143 	REQUIRE_ERRNO(hcreate(16));
144 
145 	e.key = __UNCONST("a");
146 	e.data = (void *)(intptr_t) 0;
147 
148 	ep = hsearch(e, ENTER);
149 
150 	ATF_REQUIRE(ep != NULL);
151 	ATF_REQUIRE_STREQ(ep->key, "a");
152 	ATF_REQUIRE_EQ((intptr_t)ep->data, 0);
153 
154 	e.data = (void *)(intptr_t)12345;
155 
156 	ep = hsearch(e, ENTER);
157 	ep = hsearch(e, FIND);
158 
159 	ATF_REQUIRE(ep != NULL);
160 	ATF_REQUIRE_STREQ(ep->key, "a");
161 	ATF_REQUIRE_EQ((intptr_t)ep->data, 0);
162 
163 	hdestroy();
164 }
165 
166 ATF_TC(hsearch_nonexistent);
167 ATF_TC_HEAD(hsearch_nonexistent, tc)
168 {
169 
170 	atf_tc_set_md_var(tc, "descr",
171 	    "Checks searching for non-existent entry");
172 }
173 
174 ATF_TC_BODY(hsearch_nonexistent, tc)
175 {
176 	ENTRY e, *ep;
177 
178 	REQUIRE_ERRNO(hcreate(16));
179 
180 	e.key = __UNCONST("A");
181 	ep = hsearch(e, FIND);
182 	ATF_REQUIRE_EQ(ep, NULL);
183 
184 	hdestroy();
185 }
186 
187 ATF_TC(hsearch_two);
188 ATF_TC_HEAD(hsearch_two, tc)
189 {
190 
191 	atf_tc_set_md_var(tc, "descr",
192 	    "Checks that searching doesn't overwrite previous search results");
193 }
194 
195 ATF_TC_BODY(hsearch_two, tc)
196 {
197 	ENTRY e, *ep, *ep2;
198 
199 	REQUIRE_ERRNO(hcreate(16));
200 
201 	e.key = __UNCONST("a");
202 	e.data = (void*)(intptr_t)0;
203 
204 	ep = hsearch(e, ENTER);
205 
206 	ATF_REQUIRE(ep != NULL);
207 	ATF_REQUIRE_STREQ(ep->key, "a");
208 	ATF_REQUIRE_EQ((intptr_t)ep->data, 0);
209 
210 	e.key = __UNCONST("b");
211 	e.data = (void*)(intptr_t)1;
212 
213 	ep = hsearch(e, ENTER);
214 
215 	ATF_REQUIRE(ep != NULL);
216 	ATF_REQUIRE_STREQ(ep->key, "b");
217 	ATF_REQUIRE_EQ((intptr_t)ep->data, 1);
218 
219 	e.key = __UNCONST("a");
220 	ep = hsearch(e, FIND);
221 
222 	e.key = __UNCONST("b");
223 	ep2 = hsearch(e, FIND);
224 
225 	ATF_REQUIRE(ep != NULL);
226 	ATF_REQUIRE_STREQ(ep->key, "a");
227 	ATF_REQUIRE_EQ((intptr_t)ep->data, 0);
228 
229 	ATF_REQUIRE(ep2 != NULL);
230 	ATF_REQUIRE_STREQ(ep2->key, "b");
231 	ATF_REQUIRE_EQ((intptr_t)ep2->data, 1);
232 
233 	hdestroy();
234 }
235 
236 #if defined(__FreeBSD__) && 1100027 <= __FreeBSD_version
237 ATF_TC(hsearch_r_basic);
238 ATF_TC_HEAD(hsearch_r_basic, tc)
239 {
240 
241 	atf_tc_set_md_var(tc, "descr", "Checks basic insertions and searching");
242 }
243 
244 ATF_TC_BODY(hsearch_r_basic, tc)
245 {
246 	ENTRY e, *ep;
247 	char ch[2];
248 	int i;
249 	struct hsearch_data t;
250 
251 	REQUIRE_ERRNO(hcreate_r(16, &t) != 0);
252 
253 	/* ch[1] should be constant from here on down. */
254 	ch[1] = '\0';
255 
256 	/* Basic insertions.  Check enough that there'll be collisions. */
257 	for (i = 0; i < 26; i++) {
258 		ch[0] = 'a' + i;
259 		e.key = strdup(ch);	/* ptr to provided key is kept! */
260 		ATF_REQUIRE(e.key != NULL);
261 		e.data = (void *)(intptr_t)i;
262 
263 		ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1);
264 		ATF_REQUIRE(ep != NULL);
265 		ATF_REQUIRE_STREQ(ep->key, ch);
266 		ATF_REQUIRE_EQ((intptr_t)ep->data, i);
267 	}
268 
269 	/* e.key should be constant from here on down. */
270 	e.key = ch;
271 
272 	/* Basic lookups. */
273 	for (i = 0; i < 26; i++) {
274 		ch[0] = 'a' + i;
275 
276 		ATF_REQUIRE(hsearch_r(e, FIND, &ep, &t) == 1);
277 		ATF_REQUIRE(ep != NULL);
278 		ATF_REQUIRE_STREQ(ep->key, ch);
279 		ATF_REQUIRE_EQ((intptr_t)ep->data, i);
280 	}
281 
282 #ifdef __NetBSD__
283 	hdestroy1_r(&t, free, NULL);
284 #else
285 	hdestroy_r(&t);
286 #endif
287 }
288 #endif
289 
290 #if defined(__FreeBSD__) && 1100027 <= __FreeBSD_version
291 ATF_TC(hsearch_r_duplicate);
292 ATF_TC_HEAD(hsearch_r_duplicate, tc)
293 {
294 
295 	atf_tc_set_md_var(tc, "descr", "Checks that inserting duplicate "
296 	    "doesn't overwrite existing data");
297 }
298 
299 ATF_TC_BODY(hsearch_r_duplicate, tc)
300 {
301 	ENTRY e, *ep;
302 	struct hsearch_data t;
303 
304 	REQUIRE_ERRNO(hcreate_r(16, &t));
305 
306 	e.key = __UNCONST("a");
307 	e.data = (void *)(intptr_t) 0;
308 
309 	ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1);
310 	ATF_REQUIRE(ep != NULL);
311 	ATF_REQUIRE_STREQ(ep->key, "a");
312 	ATF_REQUIRE_EQ((intptr_t)ep->data, 0);
313 
314 	e.data = (void *)(intptr_t)12345;
315 
316 	ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1);
317 	ATF_REQUIRE(hsearch_r(e, FIND, &ep, &t) == 1);
318 
319 	ATF_REQUIRE(ep != NULL);
320 	ATF_REQUIRE_STREQ(ep->key, "a");
321 	ATF_REQUIRE_EQ((intptr_t)ep->data, 0);
322 
323 	hdestroy_r(&t);
324 }
325 
326 ATF_TC(hsearch_r_nonexistent);
327 ATF_TC_HEAD(hsearch_r_nonexistent, tc)
328 {
329 
330 	atf_tc_set_md_var(tc, "descr",
331 	    "Checks searching for non-existent entry");
332 }
333 
334 ATF_TC_BODY(hsearch_r_nonexistent, tc)
335 {
336 	ENTRY e, *ep;
337 	struct hsearch_data t;
338 
339 	REQUIRE_ERRNO(hcreate_r(16, &t));
340 
341 #ifdef __FreeBSD__
342 	atf_tc_expect_fail("behavior doesn't match docs; see bug # 216872");
343 #endif
344 	e.key = __UNCONST("A");
345 	ATF_REQUIRE(hsearch_r(e, FIND, &ep, &t) == 1);
346 	ATF_REQUIRE_EQ(ep, NULL);
347 
348 	hdestroy_r(&t);
349 }
350 
351 ATF_TC(hsearch_r_two);
352 ATF_TC_HEAD(hsearch_r_two, tc)
353 {
354 
355 	atf_tc_set_md_var(tc, "descr",
356 	    "Checks that searching doesn't overwrite previous search results");
357 }
358 
359 ATF_TC_BODY(hsearch_r_two, tc)
360 {
361 	ENTRY e, *ep, *ep2;
362 	struct hsearch_data t;
363 
364 	REQUIRE_ERRNO(hcreate_r(16, &t));
365 
366 	e.key = __UNCONST("a");
367 	e.data = (void*)(intptr_t)0;
368 
369 	ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1);
370 	ATF_REQUIRE(ep != NULL);
371 	ATF_REQUIRE_STREQ(ep->key, "a");
372 	ATF_REQUIRE_EQ((intptr_t)ep->data, 0);
373 
374 	e.key = __UNCONST("b");
375 	e.data = (void*)(intptr_t)1;
376 
377 	ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1);
378 	ATF_REQUIRE(ep != NULL);
379 	ATF_REQUIRE_STREQ(ep->key, "b");
380 	ATF_REQUIRE_EQ((intptr_t)ep->data, 1);
381 
382 	e.key = __UNCONST("a");
383 	ATF_REQUIRE(hsearch_r(e, FIND, &ep, &t) == 1);
384 
385 	e.key = __UNCONST("b");
386 	ATF_REQUIRE(hsearch_r(e, FIND, &ep2, &t) == 1);
387 
388 	ATF_REQUIRE(ep != NULL);
389 	ATF_REQUIRE_STREQ(ep->key, "a");
390 	ATF_REQUIRE_EQ((intptr_t)ep->data, 0);
391 
392 	ATF_REQUIRE(ep2 != NULL);
393 	ATF_REQUIRE_STREQ(ep2->key, "b");
394 	ATF_REQUIRE_EQ((intptr_t)ep2->data, 1);
395 
396 	hdestroy_r(&t);
397 }
398 #endif
399 
400 ATF_TP_ADD_TCS(tp)
401 {
402 
403 	ATF_TP_ADD_TC(tp, hsearch_basic);
404 	ATF_TP_ADD_TC(tp, hsearch_duplicate);
405 	ATF_TP_ADD_TC(tp, hsearch_nonexistent);
406 	ATF_TP_ADD_TC(tp, hsearch_two);
407 
408 #if defined(__FreeBSD__) && 1100027 <= __FreeBSD_version
409 	ATF_TP_ADD_TC(tp, hsearch_r_basic);
410 	ATF_TP_ADD_TC(tp, hsearch_r_duplicate);
411 	ATF_TP_ADD_TC(tp, hsearch_r_nonexistent);
412 	ATF_TP_ADD_TC(tp, hsearch_r_two);
413 #endif
414 
415 	return atf_no_error();
416 }
417