test/string_tests.c@9c1591b3c4a4
test/string_tests.c
Sun, 21 Jan 2018 14:10:59 +0100
- author
- Mike Becker <universe@uap-core.de>
- date
- Sun, 21 Jan 2018 14:10:59 +0100
- changeset 273
- 9c1591b3c4a4
- parent 272
- 2def28b65328
- child 283
- c3b6ff227481
- permissions
- -rw-r--r--
fixes return value for multiplication with zero in ucx_szmul
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
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 COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * 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 */
29 #include "string_tests.h"
31 UCX_TEST(test_sstr) {
32 sstr_t s1 = sstr((char*)"1234");
33 sstr_t s2 = sstrn((char*)"ab", 2);
35 UCX_TEST_BEGIN
37 UCX_TEST_ASSERT(s1.length == 4, "s1 length must be 4");
38 UCX_TEST_ASSERT(s2.length == 2, "s2 length must be 2");
40 UCX_TEST_END
41 }
43 UCX_TEST(test_sstr_len) {
44 sstr_t s1 = ST("1234");
45 sstr_t s2 = ST(".:.:.");
46 sstr_t s3 = ST("X");
48 size_t len1 = sstrnlen(1, s1);
49 size_t len2 = sstrnlen(2, s1, s2);
50 size_t len3 = sstrnlen(3, s1, s2, s3);
52 UCX_TEST_BEGIN
54 UCX_TEST_ASSERT(len1 == 4, "sstrnlen returned wrong size");
55 UCX_TEST_ASSERT(len2 == 9, "sstrnlen returned wrong size");
56 UCX_TEST_ASSERT(len3 == 10, "sstrnlen returned wrong size");
58 UCX_TEST_END
59 }
62 UCX_TEST(test_sstrchr_sstrrchr) {
63 sstr_t str = ST("I will find you - and I will kill you");
64 UCX_TEST_BEGIN
66 sstr_t notfound = sstrchr(str, 'x');
67 UCX_TEST_ASSERT(notfound.length == 0, "string length not 0");
69 sstr_t result = sstrchr(str, 'w');
70 UCX_TEST_ASSERT(result.length == 35, "sstrchr returned wrong length");
71 UCX_TEST_ASSERT(strcmp("will find you - and I will kill you", result.ptr)
72 == 0, "sstrchr did not return the expected string");
74 result = sstrrchr(str, 'w');
75 UCX_TEST_ASSERT(result.length == 13, "sstrrchr returned wrong length");
76 UCX_TEST_ASSERT(strcmp("will kill you", result.ptr)
77 == 0, "sstrrchr did not return the expected string");
79 UCX_TEST_END
80 }
82 UCX_TEST(test_sstrstr) {
83 sstr_t str = ST("find the match in this string");
84 sstr_t longstr = ST(
85 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl"
86 "mnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwx"
87 "yzabcdeababababnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghij"
88 "klmnopqrstuvwxyzaababababababababrstuvwxyzabcdefghijklmnopqrstuv"
89 "abababababababababababababababababababababababababababababababab"
90 "abababababababababababababababababababababababababababababababab"
91 "abababababababababababababababababababababababababababababababab"
92 "abababababababababababababababababababababababababababababababab"
93 "abababababababababababababababababababababababababababababababab"
94 "abababababababababababababababababababababababababababababababab"
95 "wxyz1234567890");
96 sstr_t longstrpattern = ST(
97 "abababababababababababababababababababababababababababababababab"
98 "abababababababababababababababababababababababababababababababab"
99 "abababababababababababababababababababababababababababababababab"
100 "abababababababababababababababababababababababababababababababab"
101 "abababababababababababababababababababababababababababababababab"
102 );
103 sstr_t longstrresult = ST(
104 "abababababababababababababababababababababababababababababababab"
105 "abababababababababababababababababababababababababababababababab"
106 "abababababababababababababababababababababababababababababababab"
107 "abababababababababababababababababababababababababababababababab"
108 "abababababababababababababababababababababababababababababababab"
109 "abababababababababababababababababababababababababababababababab"
110 "wxyz1234567890"
111 );
112 UCX_TEST_BEGIN
114 sstr_t notfound = sstrstr(str, S("no match"));
115 UCX_TEST_ASSERT(notfound.length == 0, "no match must return empty string");
117 sstr_t result = sstrstr(str, S("match"));
118 UCX_TEST_ASSERT(result.length == 20, "sstrstr returned wrong length");
119 UCX_TEST_ASSERT(!strcmp("match in this string", result.ptr),
120 "sstrstr did not return the expected string");
122 result = sstrstr(str, S(""));
123 UCX_TEST_ASSERT(result.length == str.length,
124 "sstrstr with empty match string returned wrong length");
125 UCX_TEST_ASSERT(!strcmp(str.ptr, result.ptr),
126 "sstrstr with empty match string did not return the original string");
128 result = sstrstr(longstr, longstrpattern);
129 UCX_TEST_ASSERT(result.length == longstrresult.length,
130 "long string result length incorrect");
131 UCX_TEST_ASSERT(!strcmp(result.ptr, longstrresult.ptr),
132 "long string result content incorrect");
134 UCX_TEST_END
135 }
137 UCX_TEST(test_sstrcmp) {
138 sstr_t str = ST("compare this");
140 UCX_TEST_BEGIN
141 UCX_TEST_ASSERT(sstrcmp(str, S("")) == 1, "empty cmp failed");
142 UCX_TEST_ASSERT(sstrcmp(S(""), S("")) == 0, "empty cmp false negative");
143 UCX_TEST_ASSERT(sstrcmp(str, S("compare this")) == 0, "false negative");
144 UCX_TEST_ASSERT(sstrcmp(str, S("Compare This")) != 0, "false positive");
145 UCX_TEST_ASSERT(sstrcmp(str, S("compare tool")) < 0, "memcmp < 0 failed");
146 UCX_TEST_ASSERT(sstrcmp(str, S("compare shit")) > 0, "memcmp > 0 failed");
147 UCX_TEST_ASSERT(sstrcmp(str, S("compare this not")) < 0, "len < 0 failed");
148 UCX_TEST_ASSERT(sstrcmp(str, S("compare")) > 0, "len > 0 failed");
149 UCX_TEST_END
150 }
152 UCX_TEST(test_sstrcasecmp) {
154 sstr_t str = ST("compare this");
156 UCX_TEST_BEGIN
157 UCX_TEST_ASSERT(sstrcasecmp(str, S("")) == 1, "empty cmp failed");
158 UCX_TEST_ASSERT(sstrcasecmp(S(""), S("")) == 0, "empty cmp false negative");
159 UCX_TEST_ASSERT(sstrcasecmp(str, S("compare this")) == 0, "false negative");
160 UCX_TEST_ASSERT(sstrcasecmp(str, S("Compare This")) == 0,
161 "not ignoring case");
162 UCX_TEST_ASSERT(sstrcasecmp(str, S("compare tool")) < 0, "< 0 failed");
163 UCX_TEST_ASSERT(sstrcasecmp(str, S("compare shit")) > 0, "> 0 failed");
164 UCX_TEST_ASSERT(sstrcasecmp(str, S("compare this not")) < 0,
165 "len < 0 failed");
166 UCX_TEST_ASSERT(sstrcasecmp(str, S("compare")) > 0, "len > 0 failed");
167 UCX_TEST_END
168 }
171 UCX_TEST(test_sstrcat) {
172 sstr_t s1 = S("12");
173 sstr_t s2 = S("34");
174 sstr_t s3 = S("56");
175 sstr_t sn = { NULL, 0 };
177 UCX_TEST_BEGIN
179 sstr_t t1 = sstrcat(2, s1, s2);
180 UCX_TEST_ASSERT(!sstrcmp(t1, S("1234")), "t1: wrong content");
181 free(t1.ptr);
183 sstr_t t2 = sstrcat(3, s1, s2, s3);
184 UCX_TEST_ASSERT(!sstrcmp(t2, S("123456")), "t2: wrong content");
185 free(t2.ptr);
187 sstr_t t3 = sstrcat(6, s1, sn, s2, sn, s3, sn);
188 UCX_TEST_ASSERT(!sstrcmp(t3, S("123456")), "t3: wrong content");
189 free(t3.ptr);
191 sstr_t t4 = sstrcat(2, sn, sn);
192 UCX_TEST_ASSERT(t4.ptr, "t4.ptr is NULL");
193 UCX_TEST_ASSERT(t4.length == 0, "t4 has wrong length");
194 free(t4.ptr);
196 // overflow test
197 sstr_t o0;
198 o0.ptr = "";
199 o0.length = ((size_t)-1) - 50;
200 sstr_t o1;
201 o1.ptr = "";
202 o1.length = 100;
203 sstr_t o2;
204 o2.ptr = "";
205 o2.length = 10;
207 sstr_t n = sstrcat(2, o0, o1);
208 UCX_TEST_ASSERT(n.ptr == NULL && n.length == 0, "overflow not detected");
209 sstr_t n2 = sstrcat(3, o0, o2, o1);
210 UCX_TEST_ASSERT(n2.ptr == NULL && n2.length == 0, "n2: overflow not detected");
212 UCX_TEST_END
214 }
216 UCX_TEST(test_sstrsplit) {
218 const char *original = "this,is,a,csv,string";
219 sstr_t test = ST("this,is,a,csv,string"); /* use copy of original here */
220 ssize_t n;
221 sstr_t *list;
223 UCX_TEST_BEGIN
225 /* Nullpointer check */
226 n = 0;
227 UCX_TEST_ASSERT(sstrsplit(test, S(""), &n) == NULL,
228 "empty delimiter must return NULL");
230 /* no delimiter occurence (ndo) */
231 n = 0;
232 list = sstrsplit(test, S("z"), &n);
233 UCX_TEST_ASSERT(n == 1, "ndo, list length must be 1");
234 UCX_TEST_ASSERT(strcmp(list[0].ptr, original) == 0, "ndo, "
235 "original string shall be returned as single list element");
236 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
237 "ndo, original has been modified");
238 for(int i=0;i<n;i++) {
239 free(list[i].ptr);
240 }
241 free(list);
243 /* partially matching delimiter (pmd) */
244 n = 0;
245 list = sstrsplit(test, S("stringbuilder"), &n);
246 UCX_TEST_ASSERT(n == 1, "pmd, list length must be 1");
247 UCX_TEST_ASSERT(strcmp(list[0].ptr, original) == 0, "pmd, "
248 "original string shall be returned as single list element");
249 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
250 "pmd, original has been modified");
251 for(int i=0;i<n;i++) {
252 free(list[i].ptr);
253 }
254 free(list);
256 /* matching single-char delimiter (mscd) */
257 n = 0;
258 list = sstrsplit(test, S(","), &n);
259 UCX_TEST_ASSERT(n == 5, "mscd, list length must be 5");
260 UCX_TEST_ASSERT(strcmp(list[0].ptr, "this") == 0, "mscd, item 0 mismatch");
261 UCX_TEST_ASSERT(strcmp(list[1].ptr, "is") == 0, "mscd, item 1 mismatch");
262 UCX_TEST_ASSERT(strcmp(list[2].ptr, "a") == 0, "mscd, item 2 mismatch");
263 UCX_TEST_ASSERT(strcmp(list[3].ptr, "csv") == 0, "mscd, item 3 mismatch");
264 UCX_TEST_ASSERT(strcmp(list[4].ptr, "string")==0, "mscd, item 4 mismatch");
265 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
266 "mscd, original has been modified");
267 for(int i=0;i<n;i++) {
268 free(list[i].ptr);
269 }
270 free(list);
272 /* matching multi-char delimiter (mmcd) */
273 n = 0;
274 list = sstrsplit(test, S("is"), &n);
275 UCX_TEST_ASSERT(n == 3, "mscd, list length must be 3");
276 UCX_TEST_ASSERT(strcmp(list[0].ptr, "th") == 0, "mmcd, item 0 mismatch");
277 UCX_TEST_ASSERT(strcmp(list[1].ptr, ",") == 0, "mmcd, item 1 mismatch");
278 UCX_TEST_ASSERT(strcmp(list[2].ptr, ",a,csv,string") == 0,
279 "mmcd, item 2 mismatch");
280 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
281 "mmcd, original has been modified");
282 for(int i=0;i<n;i++) {
283 free(list[i].ptr);
284 }
285 free(list);
287 /* bounded list using single-char delimiter (blsc) */
288 n = 3;
289 list = sstrsplit(test, S(","), &n);
290 UCX_TEST_ASSERT(n == 3, "blsc, list length must be 3");
291 UCX_TEST_ASSERT(strcmp(list[0].ptr, "this") == 0, "blsc, item 0 mismatch");
292 UCX_TEST_ASSERT(strcmp(list[1].ptr, "is") == 0, "blsc, item 1 mismatch");
293 UCX_TEST_ASSERT(strcmp(list[2].ptr, "a,csv,string") == 0,
294 "blsc, item 2 mismatch");
295 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
296 "blsc, original has been modified");
297 for(int i=0;i<n;i++) {
298 free(list[i].ptr);
299 }
300 free(list);
302 /* bounded list using multi-char delimiter (blmc) */
303 n = 2;
304 list = sstrsplit(test, S("is"), &n);
305 UCX_TEST_ASSERT(n == 2, "blmc, list length must be 2");
306 UCX_TEST_ASSERT(strcmp(list[0].ptr, "th") == 0, "blmc, item 0 mismatch");
307 UCX_TEST_ASSERT(strcmp(list[1].ptr, ",is,a,csv,string") == 0,
308 "blmc, item 1 mismatch");
309 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
310 "blmc, original has been modified");
311 for(int i=0;i<n;i++) {
312 free(list[i].ptr);
313 }
314 free(list);
316 /* start with delimiter (swd) */
317 n = 0;
318 list = sstrsplit(test, S("this"), &n);
319 UCX_TEST_ASSERT(n == 2, "swd, list length must be 2");
320 UCX_TEST_ASSERT(list[0].length == 0, "swd, first item must be empty");
321 UCX_TEST_ASSERT(strcmp(list[1].ptr, ",is,a,csv,string") == 0,
322 "swd, second item corrupt");
323 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
324 "swd, original has been modified");
325 for(int i=0;i<n;i++) {
326 free(list[i].ptr);
327 }
328 free(list);
330 /* end with delimiter (ewd) */
331 n = 0;
332 list = sstrsplit(test, S("string"), &n);
333 UCX_TEST_ASSERT(n == 2, "ewd, list length must be 2");
334 UCX_TEST_ASSERT(strcmp(list[0].ptr, "this,is,a,csv,") == 0,
335 "ewd, first item corrupt");
336 UCX_TEST_ASSERT(list[1].length == 0, "ewd, second item must be empty");
337 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
338 "ewd, original has been modified");
339 for(int i=0;i<n;i++) {
340 free(list[i].ptr);
341 }
342 free(list);
344 /* end with delimiter exceed bound (ewdeb) */
345 n = 3;
346 sstr_t ewdebtest = ST("a,b,c,");
347 list = sstrsplit(ewdebtest, S(","), &n);
348 UCX_TEST_ASSERT(n == 3, "ewdeb, list length must be 3");
349 UCX_TEST_ASSERT(strcmp(list[0].ptr, "a") == 0, "ewdeb, fst item corrupt");
350 UCX_TEST_ASSERT(strcmp(list[1].ptr, "b") == 0, "ewdeb, snd item corrupt");
351 UCX_TEST_ASSERT(strcmp(list[2].ptr, "c,") == 0, "ewdeb, trd item corrupt");
352 for(int i=0;i<n;i++) {
353 free(list[i].ptr);
354 }
355 free(list);
357 /* exact match (exm) */
358 n = 0;
359 list = sstrsplit(test, S("this,is,a,csv,string"), &n);
360 UCX_TEST_ASSERT(n == 0, "exm, list length must be 0");
361 UCX_TEST_ASSERT(list == NULL, "exm, list must be NULL");
362 for(int i=0;i<n;i++) {
363 free(list[i].ptr);
364 }
365 free(list);
367 /* substring (subs) */
368 n = 0;
369 list = sstrsplit(test, S("this,is,a,csv,string,with,extension"), &n);
370 UCX_TEST_ASSERT(n == 1, "subs, list length must be 1");
371 UCX_TEST_ASSERT(strcmp(list[0].ptr, original) == 0,
372 "subs, single item must be the original string");
373 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
374 "subs, original has been modified");
375 for(int i=0;i<n;i++) {
376 free(list[i].ptr);
377 }
378 free(list);
380 /* double encounter delimiter (ded) */
381 n = 0;
382 list = sstrsplit(test, S("is,"), &n);
383 UCX_TEST_ASSERT(n == 3, "ded, list length must be 3");
384 UCX_TEST_ASSERT(strcmp(list[0].ptr, "th") == 0, "ded, item 0 mismatch");
385 UCX_TEST_ASSERT(list[1].length == 0, "ded, item 1 not empty!");
386 UCX_TEST_ASSERT(strcmp(list[2].ptr, "a,csv,string") == 0,
387 "ded, item 2 mismatch");
388 for(int i=0;i<n;i++) {
389 free(list[i].ptr);
390 }
391 free(list);
393 UCX_TEST_END
394 }
396 UCX_TEST(test_sstrtrim) {
397 sstr_t t1 = sstrtrim(sstr((char*)" ein test "));
398 sstr_t t2 = sstrtrim(sstr((char*)"abc"));
399 sstr_t t3 = sstrtrim(sstr((char*)" 123"));
400 sstr_t t4 = sstrtrim(sstr((char*)"xyz "));
401 sstr_t t5 = sstrtrim(sstr((char*)" "));
402 sstr_t empty = sstrtrim(sstr((char*)""));
403 UCX_TEST_BEGIN
404 UCX_TEST_ASSERT(strncmp(t1.ptr, "ein test", t1.length) == 0, "failed");
405 UCX_TEST_ASSERT(strncmp(t2.ptr, "abc", t2.length) == 0, "failed");
406 UCX_TEST_ASSERT(strncmp(t3.ptr, "123", t3.length) == 0, "failed");
407 UCX_TEST_ASSERT(strncmp(t4.ptr, "xyz", t4.length) == 0, "failed");
408 UCX_TEST_ASSERT(t5.length == 0, "string t5 not empty");
409 UCX_TEST_ASSERT(empty.length == 0, "empty string failed");
410 UCX_TEST_END
411 }
413 UCX_TEST(test_sstrprefixsuffix) {
414 sstr_t str = ST("test my prefix and my suffix");
415 sstr_t empty = ST("");
417 UCX_TEST_BEGIN
419 UCX_TEST_ASSERT(!sstrprefix(empty, S("pref")), "prefix empty string fails");
420 UCX_TEST_ASSERT(!sstrsuffix(empty, S("suf")), "suffix empty string fails");
422 UCX_TEST_ASSERT(sstrprefix(str, empty), "empty prefix fails");
423 UCX_TEST_ASSERT(sstrsuffix(str, empty), "empty suffix fails");
425 UCX_TEST_ASSERT(sstrprefix(empty, empty), "string and prefix empty fails");
426 UCX_TEST_ASSERT(sstrsuffix(empty, empty), "string and suffix empty fails");
428 UCX_TEST_ASSERT(sstrprefix(str, S("test ")), "prefix false negative");
429 UCX_TEST_ASSERT(!sstrprefix(str, S("8-) fsck ")), "prefix false positive");
431 UCX_TEST_ASSERT(sstrsuffix(str, S("fix")), "suffix false negative");
432 UCX_TEST_ASSERT(!sstrsuffix(str, S("fox")), "suffix false positive");
435 UCX_TEST_END
436 }
