Thu, 03 May 2018 09:49:38 +0200
adds ucx_longintcmp() compare function
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_macros) {
32 sstr_t hello = ST("Hello");
33 sstr_t world = S("World");
35 char buf[20];
36 snprintf(buf, sizeof(buf), "%" PRIsstr ", %" PRIsstr "!", SFMT(hello), SFMT(world));
38 UCX_TEST_BEGIN
39 const char* cmp = "Hello, World!";
40 UCX_TEST_ASSERT(!strcmp(cmp, buf), "Something weird happened.");
41 UCX_TEST_END
42 }
44 UCX_TEST(test_sstr) {
45 sstr_t s1 = sstr((char*)"1234");
46 sstr_t s2 = sstrn((char*)"ab", 2);
48 UCX_TEST_BEGIN
50 UCX_TEST_ASSERT(s1.length == 4, "s1 length must be 4");
51 UCX_TEST_ASSERT(s2.length == 2, "s2 length must be 2");
53 UCX_TEST_END
54 }
56 UCX_TEST(test_sstr_len) {
57 sstr_t s1 = ST("1234");
58 sstr_t s2 = ST(".:.:.");
59 sstr_t s3 = ST("X");
61 size_t len1 = sstrnlen(1, s1);
62 size_t len2 = sstrnlen(2, s1, s2);
63 size_t len3 = sstrnlen(3, s1, s2, s3);
65 UCX_TEST_BEGIN
67 UCX_TEST_ASSERT(len1 == 4, "sstrnlen returned wrong size");
68 UCX_TEST_ASSERT(len2 == 9, "sstrnlen returned wrong size");
69 UCX_TEST_ASSERT(len3 == 10, "sstrnlen returned wrong size");
71 UCX_TEST_END
72 }
75 UCX_TEST(test_sstrchr_sstrrchr) {
76 sstr_t str = ST("I will find you - and I will kill you");
77 UCX_TEST_BEGIN
79 sstr_t notfound = sstrchr(str, 'x');
80 UCX_TEST_ASSERT(notfound.length == 0, "string length not 0");
82 sstr_t result = sstrchr(str, 'w');
83 UCX_TEST_ASSERT(result.length == 35, "sstrchr returned wrong length");
84 UCX_TEST_ASSERT(strcmp("will find you - and I will kill you", result.ptr)
85 == 0, "sstrchr did not return the expected string");
87 result = sstrrchr(str, 'w');
88 UCX_TEST_ASSERT(result.length == 13, "sstrrchr returned wrong length");
89 UCX_TEST_ASSERT(strcmp("will kill you", result.ptr)
90 == 0, "sstrrchr did not return the expected string");
92 UCX_TEST_END
93 }
95 UCX_TEST(test_sstrstr) {
96 sstr_t str = ST("find the match in this string");
97 sstr_t longstr = ST(
98 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl"
99 "mnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwx"
100 "yzabcdeababababnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghij"
101 "klmnopqrstuvwxyzaababababababababrstuvwxyzabcdefghijklmnopqrstuv"
102 "abababababababababababababababababababababababababababababababab"
103 "abababababababababababababababababababababababababababababababab"
104 "abababababababababababababababababababababababababababababababab"
105 "abababababababababababababababababababababababababababababababab"
106 "abababababababababababababababababababababababababababababababab"
107 "abababababababababababababababababababababababababababababababab"
108 "wxyz1234567890");
109 sstr_t longstrpattern = ST(
110 "abababababababababababababababababababababababababababababababab"
111 "abababababababababababababababababababababababababababababababab"
112 "abababababababababababababababababababababababababababababababab"
113 "abababababababababababababababababababababababababababababababab"
114 "abababababababababababababababababababababababababababababababab"
115 );
116 sstr_t longstrresult = ST(
117 "abababababababababababababababababababababababababababababababab"
118 "abababababababababababababababababababababababababababababababab"
119 "abababababababababababababababababababababababababababababababab"
120 "abababababababababababababababababababababababababababababababab"
121 "abababababababababababababababababababababababababababababababab"
122 "abababababababababababababababababababababababababababababababab"
123 "wxyz1234567890"
124 );
125 UCX_TEST_BEGIN
127 sstr_t notfound = sstrstr(str, S("no match"));
128 UCX_TEST_ASSERT(notfound.length == 0, "no match must return empty string");
130 sstr_t result = sstrstr(str, S("match"));
131 UCX_TEST_ASSERT(result.length == 20, "sstrstr returned wrong length");
132 UCX_TEST_ASSERT(!strcmp("match in this string", result.ptr),
133 "sstrstr did not return the expected string");
135 result = sstrstr(str, S(""));
136 UCX_TEST_ASSERT(result.length == str.length,
137 "sstrstr with empty match string returned wrong length");
138 UCX_TEST_ASSERT(!strcmp(str.ptr, result.ptr),
139 "sstrstr with empty match string did not return the original string");
141 result = sstrstr(longstr, longstrpattern);
142 UCX_TEST_ASSERT(result.length == longstrresult.length,
143 "long string result length incorrect");
144 UCX_TEST_ASSERT(!strcmp(result.ptr, longstrresult.ptr),
145 "long string result content incorrect");
147 UCX_TEST_END
148 }
150 UCX_TEST(test_sstrcmp) {
151 sstr_t str = ST("compare this");
153 UCX_TEST_BEGIN
154 UCX_TEST_ASSERT(sstrcmp(str, S("")) == 1, "empty cmp failed");
155 UCX_TEST_ASSERT(sstrcmp(S(""), S("")) == 0, "empty cmp false negative");
156 UCX_TEST_ASSERT(sstrcmp(str, S("compare this")) == 0, "false negative");
157 UCX_TEST_ASSERT(sstrcmp(str, S("Compare This")) != 0, "false positive");
158 UCX_TEST_ASSERT(sstrcmp(str, S("compare tool")) < 0, "memcmp < 0 failed");
159 UCX_TEST_ASSERT(sstrcmp(str, S("compare shit")) > 0, "memcmp > 0 failed");
160 UCX_TEST_ASSERT(sstrcmp(str, S("compare this not")) < 0, "len < 0 failed");
161 UCX_TEST_ASSERT(sstrcmp(str, S("compare")) > 0, "len > 0 failed");
162 UCX_TEST_END
163 }
165 UCX_TEST(test_sstrcasecmp) {
167 sstr_t str = ST("compare this");
169 UCX_TEST_BEGIN
170 UCX_TEST_ASSERT(sstrcasecmp(str, S("")) == 1, "empty cmp failed");
171 UCX_TEST_ASSERT(sstrcasecmp(S(""), S("")) == 0, "empty cmp false negative");
172 UCX_TEST_ASSERT(sstrcasecmp(str, S("compare this")) == 0, "false negative");
173 UCX_TEST_ASSERT(sstrcasecmp(str, S("Compare This")) == 0,
174 "not ignoring case");
175 UCX_TEST_ASSERT(sstrcasecmp(str, S("compare tool")) < 0, "< 0 failed");
176 UCX_TEST_ASSERT(sstrcasecmp(str, S("compare shit")) > 0, "> 0 failed");
177 UCX_TEST_ASSERT(sstrcasecmp(str, S("compare this not")) < 0,
178 "len < 0 failed");
179 UCX_TEST_ASSERT(sstrcasecmp(str, S("compare")) > 0, "len > 0 failed");
180 UCX_TEST_END
181 }
184 UCX_TEST(test_sstrcat) {
185 sstr_t s1 = S("12");
186 sstr_t s2 = S("34");
187 sstr_t s3 = S("56");
188 sstr_t sn = { NULL, 0 };
190 UCX_TEST_BEGIN
192 sstr_t t1 = sstrcat(2, s1, s2);
193 UCX_TEST_ASSERT(!sstrcmp(t1, S("1234")), "t1: wrong content");
194 free(t1.ptr);
196 sstr_t t2 = sstrcat(3, s1, s2, s3);
197 UCX_TEST_ASSERT(!sstrcmp(t2, S("123456")), "t2: wrong content");
198 free(t2.ptr);
200 sstr_t t3 = sstrcat(6, s1, sn, s2, sn, s3, sn);
201 UCX_TEST_ASSERT(!sstrcmp(t3, S("123456")), "t3: wrong content");
202 free(t3.ptr);
204 sstr_t t4 = sstrcat(2, sn, sn);
205 UCX_TEST_ASSERT(t4.ptr, "t4.ptr is NULL");
206 UCX_TEST_ASSERT(t4.length == 0, "t4 has wrong length");
207 free(t4.ptr);
209 // overflow test
210 sstr_t o0;
211 o0.ptr = "";
212 o0.length = ((size_t)-1) - 50;
213 sstr_t o1;
214 o1.ptr = "";
215 o1.length = 100;
216 sstr_t o2;
217 o2.ptr = "";
218 o2.length = 10;
220 sstr_t n = sstrcat(2, o0, o1);
221 UCX_TEST_ASSERT(n.ptr == NULL && n.length == 0, "overflow not detected");
222 sstr_t n2 = sstrcat(3, o0, o2, o1);
223 UCX_TEST_ASSERT(n2.ptr == NULL && n2.length == 0, "n2: overflow not detected");
225 UCX_TEST_END
227 }
229 UCX_TEST(test_sstrsplit) {
231 const char *original = "this,is,a,csv,string";
232 sstr_t test = ST("this,is,a,csv,string"); /* use copy of original here */
233 ssize_t n;
234 sstr_t *list;
236 UCX_TEST_BEGIN
238 /* Nullpointer check */
239 n = 0;
240 UCX_TEST_ASSERT(sstrsplit(test, S(""), &n) == NULL,
241 "empty delimiter must return NULL");
243 /* no delimiter occurence (ndo) */
244 n = 0;
245 list = sstrsplit(test, S("z"), &n);
246 UCX_TEST_ASSERT(n == 1, "ndo, list length must be 1");
247 UCX_TEST_ASSERT(strcmp(list[0].ptr, original) == 0, "ndo, "
248 "original string shall be returned as single list element");
249 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
250 "ndo, original has been modified");
251 for(int i=0;i<n;i++) {
252 free(list[i].ptr);
253 }
254 free(list);
256 /* partially matching delimiter (pmd) */
257 n = 0;
258 list = sstrsplit(test, S("stringbuilder"), &n);
259 UCX_TEST_ASSERT(n == 1, "pmd, list length must be 1");
260 UCX_TEST_ASSERT(strcmp(list[0].ptr, original) == 0, "pmd, "
261 "original string shall be returned as single list element");
262 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
263 "pmd, original has been modified");
264 for(int i=0;i<n;i++) {
265 free(list[i].ptr);
266 }
267 free(list);
269 /* matching single-char delimiter (mscd) */
270 n = 0;
271 list = sstrsplit(test, S(","), &n);
272 UCX_TEST_ASSERT(n == 5, "mscd, list length must be 5");
273 UCX_TEST_ASSERT(strcmp(list[0].ptr, "this") == 0, "mscd, item 0 mismatch");
274 UCX_TEST_ASSERT(strcmp(list[1].ptr, "is") == 0, "mscd, item 1 mismatch");
275 UCX_TEST_ASSERT(strcmp(list[2].ptr, "a") == 0, "mscd, item 2 mismatch");
276 UCX_TEST_ASSERT(strcmp(list[3].ptr, "csv") == 0, "mscd, item 3 mismatch");
277 UCX_TEST_ASSERT(strcmp(list[4].ptr, "string")==0, "mscd, item 4 mismatch");
278 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
279 "mscd, original has been modified");
280 for(int i=0;i<n;i++) {
281 free(list[i].ptr);
282 }
283 free(list);
285 /* matching multi-char delimiter (mmcd) */
286 n = 0;
287 list = sstrsplit(test, S("is"), &n);
288 UCX_TEST_ASSERT(n == 3, "mscd, list length must be 3");
289 UCX_TEST_ASSERT(strcmp(list[0].ptr, "th") == 0, "mmcd, item 0 mismatch");
290 UCX_TEST_ASSERT(strcmp(list[1].ptr, ",") == 0, "mmcd, item 1 mismatch");
291 UCX_TEST_ASSERT(strcmp(list[2].ptr, ",a,csv,string") == 0,
292 "mmcd, item 2 mismatch");
293 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
294 "mmcd, original has been modified");
295 for(int i=0;i<n;i++) {
296 free(list[i].ptr);
297 }
298 free(list);
300 /* bounded list using single-char delimiter (blsc) */
301 n = 3;
302 list = sstrsplit(test, S(","), &n);
303 UCX_TEST_ASSERT(n == 3, "blsc, list length must be 3");
304 UCX_TEST_ASSERT(strcmp(list[0].ptr, "this") == 0, "blsc, item 0 mismatch");
305 UCX_TEST_ASSERT(strcmp(list[1].ptr, "is") == 0, "blsc, item 1 mismatch");
306 UCX_TEST_ASSERT(strcmp(list[2].ptr, "a,csv,string") == 0,
307 "blsc, item 2 mismatch");
308 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
309 "blsc, original has been modified");
310 for(int i=0;i<n;i++) {
311 free(list[i].ptr);
312 }
313 free(list);
315 /* bounded list using multi-char delimiter (blmc) */
316 n = 2;
317 list = sstrsplit(test, S("is"), &n);
318 UCX_TEST_ASSERT(n == 2, "blmc, list length must be 2");
319 UCX_TEST_ASSERT(strcmp(list[0].ptr, "th") == 0, "blmc, item 0 mismatch");
320 UCX_TEST_ASSERT(strcmp(list[1].ptr, ",is,a,csv,string") == 0,
321 "blmc, item 1 mismatch");
322 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
323 "blmc, original has been modified");
324 for(int i=0;i<n;i++) {
325 free(list[i].ptr);
326 }
327 free(list);
329 /* start with delimiter (swd) */
330 n = 0;
331 list = sstrsplit(test, S("this"), &n);
332 UCX_TEST_ASSERT(n == 2, "swd, list length must be 2");
333 UCX_TEST_ASSERT(list[0].length == 0, "swd, first item must be empty");
334 UCX_TEST_ASSERT(strcmp(list[1].ptr, ",is,a,csv,string") == 0,
335 "swd, second item corrupt");
336 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
337 "swd, original has been modified");
338 for(int i=0;i<n;i++) {
339 free(list[i].ptr);
340 }
341 free(list);
343 /* end with delimiter (ewd) */
344 n = 0;
345 list = sstrsplit(test, S("string"), &n);
346 UCX_TEST_ASSERT(n == 2, "ewd, list length must be 2");
347 UCX_TEST_ASSERT(strcmp(list[0].ptr, "this,is,a,csv,") == 0,
348 "ewd, first item corrupt");
349 UCX_TEST_ASSERT(list[1].length == 0, "ewd, second item must be empty");
350 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
351 "ewd, original has been modified");
352 for(int i=0;i<n;i++) {
353 free(list[i].ptr);
354 }
355 free(list);
357 /* end with delimiter exceed bound (ewdeb) */
358 n = 3;
359 sstr_t ewdebtest = ST("a,b,c,");
360 list = sstrsplit(ewdebtest, S(","), &n);
361 UCX_TEST_ASSERT(n == 3, "ewdeb, list length must be 3");
362 UCX_TEST_ASSERT(strcmp(list[0].ptr, "a") == 0, "ewdeb, fst item corrupt");
363 UCX_TEST_ASSERT(strcmp(list[1].ptr, "b") == 0, "ewdeb, snd item corrupt");
364 UCX_TEST_ASSERT(strcmp(list[2].ptr, "c,") == 0, "ewdeb, trd item corrupt");
365 for(int i=0;i<n;i++) {
366 free(list[i].ptr);
367 }
368 free(list);
370 /* exact match (exm) */
371 n = 0;
372 list = sstrsplit(test, S("this,is,a,csv,string"), &n);
373 UCX_TEST_ASSERT(n == 0, "exm, list length must be 0");
374 UCX_TEST_ASSERT(list == NULL, "exm, list must be NULL");
375 for(int i=0;i<n;i++) {
376 free(list[i].ptr);
377 }
378 free(list);
380 /* substring (subs) */
381 n = 0;
382 list = sstrsplit(test, S("this,is,a,csv,string,with,extension"), &n);
383 UCX_TEST_ASSERT(n == 1, "subs, list length must be 1");
384 UCX_TEST_ASSERT(strcmp(list[0].ptr, original) == 0,
385 "subs, single item must be the original string");
386 UCX_TEST_ASSERT(strcmp(test.ptr, original) == 0,
387 "subs, original has been modified");
388 for(int i=0;i<n;i++) {
389 free(list[i].ptr);
390 }
391 free(list);
393 /* double encounter delimiter (ded) */
394 n = 0;
395 list = sstrsplit(test, S("is,"), &n);
396 UCX_TEST_ASSERT(n == 3, "ded, list length must be 3");
397 UCX_TEST_ASSERT(strcmp(list[0].ptr, "th") == 0, "ded, item 0 mismatch");
398 UCX_TEST_ASSERT(list[1].length == 0, "ded, item 1 not empty!");
399 UCX_TEST_ASSERT(strcmp(list[2].ptr, "a,csv,string") == 0,
400 "ded, item 2 mismatch");
401 for(int i=0;i<n;i++) {
402 free(list[i].ptr);
403 }
404 free(list);
406 UCX_TEST_END
407 }
409 UCX_TEST(test_sstrtrim) {
410 sstr_t t1 = sstrtrim(sstr((char*)" ein test "));
411 sstr_t t2 = sstrtrim(sstr((char*)"abc"));
412 sstr_t t3 = sstrtrim(sstr((char*)" 123"));
413 sstr_t t4 = sstrtrim(sstr((char*)"xyz "));
414 sstr_t t5 = sstrtrim(sstr((char*)" "));
415 sstr_t empty = sstrtrim(sstr((char*)""));
416 UCX_TEST_BEGIN
417 UCX_TEST_ASSERT(strncmp(t1.ptr, "ein test", t1.length) == 0, "failed");
418 UCX_TEST_ASSERT(strncmp(t2.ptr, "abc", t2.length) == 0, "failed");
419 UCX_TEST_ASSERT(strncmp(t3.ptr, "123", t3.length) == 0, "failed");
420 UCX_TEST_ASSERT(strncmp(t4.ptr, "xyz", t4.length) == 0, "failed");
421 UCX_TEST_ASSERT(t5.length == 0, "string t5 not empty");
422 UCX_TEST_ASSERT(empty.length == 0, "empty string failed");
423 UCX_TEST_END
424 }
426 UCX_TEST(test_sstrprefixsuffix) {
427 sstr_t str = ST("test my prefix and my suffix");
428 sstr_t empty = ST("");
430 UCX_TEST_BEGIN
432 UCX_TEST_ASSERT(!sstrprefix(empty, S("pref")), "prefix empty string fails");
433 UCX_TEST_ASSERT(!sstrsuffix(empty, S("suf")), "suffix empty string fails");
435 UCX_TEST_ASSERT(sstrprefix(str, empty), "empty prefix fails");
436 UCX_TEST_ASSERT(sstrsuffix(str, empty), "empty suffix fails");
438 UCX_TEST_ASSERT(sstrprefix(empty, empty), "string and prefix empty fails");
439 UCX_TEST_ASSERT(sstrsuffix(empty, empty), "string and suffix empty fails");
441 UCX_TEST_ASSERT(sstrprefix(str, S("test ")), "prefix false negative");
442 UCX_TEST_ASSERT(!sstrprefix(str, S("8-) fsck ")), "prefix false positive");
444 UCX_TEST_ASSERT(sstrsuffix(str, S("fix")), "suffix false negative");
445 UCX_TEST_ASSERT(!sstrsuffix(str, S("fox")), "suffix false positive");
448 UCX_TEST_END
449 }