Sat, 28 Oct 2017 15:43:51 +0200
modules documentation
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);
197 UCX_TEST_END
199 }
201 UCX_TEST(test_sstrsplit) {
203 const char *original = "this,is,a,csv,string";
204 sstr_t test = ST("this,is,a,csv,string"); /* use copy of original here */
205 ssize_t n;
206 sstr_t *list;
208 UCX_TEST_BEGIN
210 /* Nullpointer check */
211 n = 0;
212 UCX_TEST_ASSERT(sstrsplit(test, S(""), &n) == NULL,
213 "empty delimiter must return NULL");
215 /* no delimiter occurence (ndo) */
216 n = 0;
217 list = sstrsplit(test, S("z"), &n);
218 UCX_TEST_ASSERT(n == 1, "ndo, list length must be 1");
219 UCX_TEST_ASSERT(strcmp(list[0].ptr, original) == 0, "ndo, "
220 "original string shall be returned as single list element");
221 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
222 "ndo, original has been modified");
223 for(int i=0;i<n;i++) {
224 free(list[i].ptr);
225 }
226 free(list);
228 /* partially matching delimiter (pmd) */
229 n = 0;
230 list = sstrsplit(test, S("stringbuilder"), &n);
231 UCX_TEST_ASSERT(n == 1, "pmd, list length must be 1");
232 UCX_TEST_ASSERT(strcmp(list[0].ptr, original) == 0, "pmd, "
233 "original string shall be returned as single list element");
234 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
235 "pmd, original has been modified");
236 for(int i=0;i<n;i++) {
237 free(list[i].ptr);
238 }
239 free(list);
241 /* matching single-char delimiter (mscd) */
242 n = 0;
243 list = sstrsplit(test, S(","), &n);
244 UCX_TEST_ASSERT(n == 5, "mscd, list length must be 5");
245 UCX_TEST_ASSERT(strcmp(list[0].ptr, "this") == 0, "mscd, item 0 mismatch");
246 UCX_TEST_ASSERT(strcmp(list[1].ptr, "is") == 0, "mscd, item 1 mismatch");
247 UCX_TEST_ASSERT(strcmp(list[2].ptr, "a") == 0, "mscd, item 2 mismatch");
248 UCX_TEST_ASSERT(strcmp(list[3].ptr, "csv") == 0, "mscd, item 3 mismatch");
249 UCX_TEST_ASSERT(strcmp(list[4].ptr, "string")==0, "mscd, item 4 mismatch");
250 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
251 "mscd, original has been modified");
252 for(int i=0;i<n;i++) {
253 free(list[i].ptr);
254 }
255 free(list);
257 /* matching multi-char delimiter (mmcd) */
258 n = 0;
259 list = sstrsplit(test, S("is"), &n);
260 UCX_TEST_ASSERT(n == 3, "mscd, list length must be 3");
261 UCX_TEST_ASSERT(strcmp(list[0].ptr, "th") == 0, "mmcd, item 0 mismatch");
262 UCX_TEST_ASSERT(strcmp(list[1].ptr, ",") == 0, "mmcd, item 1 mismatch");
263 UCX_TEST_ASSERT(strcmp(list[2].ptr, ",a,csv,string") == 0,
264 "mmcd, item 2 mismatch");
265 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
266 "mmcd, original has been modified");
267 for(int i=0;i<n;i++) {
268 free(list[i].ptr);
269 }
270 free(list);
272 /* bounded list using single-char delimiter (blsc) */
273 n = 3;
274 list = sstrsplit(test, S(","), &n);
275 UCX_TEST_ASSERT(n == 3, "blsc, list length must be 3");
276 UCX_TEST_ASSERT(strcmp(list[0].ptr, "this") == 0, "blsc, item 0 mismatch");
277 UCX_TEST_ASSERT(strcmp(list[1].ptr, "is") == 0, "blsc, item 1 mismatch");
278 UCX_TEST_ASSERT(strcmp(list[2].ptr, "a,csv,string") == 0,
279 "blsc, item 2 mismatch");
280 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
281 "blsc, 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 multi-char delimiter (blmc) */
288 n = 2;
289 list = sstrsplit(test, S("is"), &n);
290 UCX_TEST_ASSERT(n == 2, "blmc, list length must be 2");
291 UCX_TEST_ASSERT(strcmp(list[0].ptr, "th") == 0, "blmc, item 0 mismatch");
292 UCX_TEST_ASSERT(strcmp(list[1].ptr, ",is,a,csv,string") == 0,
293 "blmc, item 1 mismatch");
294 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
295 "blmc, original has been modified");
296 for(int i=0;i<n;i++) {
297 free(list[i].ptr);
298 }
299 free(list);
301 /* start with delimiter (swd) */
302 n = 0;
303 list = sstrsplit(test, S("this"), &n);
304 UCX_TEST_ASSERT(n == 2, "swd, list length must be 2");
305 UCX_TEST_ASSERT(list[0].length == 0, "swd, first item must be empty");
306 UCX_TEST_ASSERT(strcmp(list[1].ptr, ",is,a,csv,string") == 0,
307 "swd, second item corrupt");
308 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
309 "swd, original has been modified");
310 for(int i=0;i<n;i++) {
311 free(list[i].ptr);
312 }
313 free(list);
315 /* end with delimiter (ewd) */
316 n = 0;
317 list = sstrsplit(test, S("string"), &n);
318 UCX_TEST_ASSERT(n == 2, "ewd, list length must be 2");
319 UCX_TEST_ASSERT(strcmp(list[0].ptr, "this,is,a,csv,") == 0,
320 "ewd, first item corrupt");
321 UCX_TEST_ASSERT(list[1].length == 0, "ewd, second item must be empty");
322 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
323 "ewd, original has been modified");
324 for(int i=0;i<n;i++) {
325 free(list[i].ptr);
326 }
327 free(list);
329 /* end with delimiter exceed bound (ewdeb) */
330 n = 3;
331 sstr_t ewdebtest = ST("a,b,c,");
332 list = sstrsplit(ewdebtest, S(","), &n);
333 UCX_TEST_ASSERT(n == 3, "ewdeb, list length must be 3");
334 UCX_TEST_ASSERT(strcmp(list[0].ptr, "a") == 0, "ewdeb, fst item corrupt");
335 UCX_TEST_ASSERT(strcmp(list[1].ptr, "b") == 0, "ewdeb, snd item corrupt");
336 UCX_TEST_ASSERT(strcmp(list[2].ptr, "c,") == 0, "ewdeb, trd item corrupt");
337 for(int i=0;i<n;i++) {
338 free(list[i].ptr);
339 }
340 free(list);
342 /* exact match (exm) */
343 n = 0;
344 list = sstrsplit(test, S("this,is,a,csv,string"), &n);
345 UCX_TEST_ASSERT(n == 0, "exm, list length must be 0");
346 UCX_TEST_ASSERT(list == NULL, "exm, list must be NULL");
347 for(int i=0;i<n;i++) {
348 free(list[i].ptr);
349 }
350 free(list);
352 /* substring (subs) */
353 n = 0;
354 list = sstrsplit(test, S("this,is,a,csv,string,with,extension"), &n);
355 UCX_TEST_ASSERT(n == 1, "subs, list length must be 1");
356 UCX_TEST_ASSERT(strcmp(list[0].ptr, original) == 0,
357 "subs, single item must be the original string");
358 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
359 "subs, original has been modified");
360 for(int i=0;i<n;i++) {
361 free(list[i].ptr);
362 }
363 free(list);
365 /* double encounter delimiter (ded) */
366 n = 0;
367 list = sstrsplit(test, S("is,"), &n);
368 UCX_TEST_ASSERT(n == 3, "ded, list length must be 3");
369 UCX_TEST_ASSERT(strcmp(list[0].ptr, "th") == 0, "ded, item 0 mismatch");
370 UCX_TEST_ASSERT(list[1].length == 0, "ded, item 1 not empty!");
371 UCX_TEST_ASSERT(strcmp(list[2].ptr, "a,csv,string") == 0,
372 "ded, item 2 mismatch");
373 for(int i=0;i<n;i++) {
374 free(list[i].ptr);
375 }
376 free(list);
378 UCX_TEST_END
379 }
381 UCX_TEST(test_sstrtrim) {
382 sstr_t t1 = sstrtrim(sstr((char*)" ein test "));
383 sstr_t t2 = sstrtrim(sstr((char*)"abc"));
384 sstr_t t3 = sstrtrim(sstr((char*)" 123"));
385 sstr_t t4 = sstrtrim(sstr((char*)"xyz "));
386 sstr_t t5 = sstrtrim(sstr((char*)" "));
387 sstr_t empty = sstrtrim(sstr((char*)""));
388 UCX_TEST_BEGIN
389 UCX_TEST_ASSERT(strncmp(t1.ptr, "ein test", t1.length) == 0, "failed");
390 UCX_TEST_ASSERT(strncmp(t2.ptr, "abc", t2.length) == 0, "failed");
391 UCX_TEST_ASSERT(strncmp(t3.ptr, "123", t3.length) == 0, "failed");
392 UCX_TEST_ASSERT(strncmp(t4.ptr, "xyz", t4.length) == 0, "failed");
393 UCX_TEST_ASSERT(t5.length == 0, "string t5 not empty");
394 UCX_TEST_ASSERT(empty.length == 0, "empty string failed");
395 UCX_TEST_END
396 }
398 UCX_TEST(test_sstrprefixsuffix) {
399 sstr_t str = ST("test my prefix and my suffix");
400 sstr_t empty = ST("");
402 UCX_TEST_BEGIN
404 UCX_TEST_ASSERT(!sstrprefix(empty, S("pref")), "prefix empty string fails");
405 UCX_TEST_ASSERT(!sstrsuffix(empty, S("suf")), "suffix empty string fails");
407 UCX_TEST_ASSERT(sstrprefix(str, empty), "empty prefix fails");
408 UCX_TEST_ASSERT(sstrsuffix(str, empty), "empty suffix fails");
410 UCX_TEST_ASSERT(sstrprefix(empty, empty), "string and prefix empty fails");
411 UCX_TEST_ASSERT(sstrsuffix(empty, empty), "string and suffix empty fails");
413 UCX_TEST_ASSERT(sstrprefix(str, S("test ")), "prefix false negative");
414 UCX_TEST_ASSERT(!sstrprefix(str, S("8-) fsck ")), "prefix false positive");
416 UCX_TEST_ASSERT(sstrsuffix(str, S("fix")), "suffix false negative");
417 UCX_TEST_ASSERT(!sstrsuffix(str, S("fox")), "suffix false positive");
420 UCX_TEST_END
421 }