source: mainline/uspace/lib/c/test/string.c@ 99d3123

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 99d3123 was 99d3123, checked in by Jiri Svoboda <jiri@…>, 7 years ago

libc needs a string.h (for the outside users, at least).
  • Property mode set to 100644
File size: 14.8 KB
Line 
1/*
2 * Copyright (c) 2018 Jiri Svoboda
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/* Prevent an error from being generated */
30#undef _HELENOS_SOURCE
31#include <string.h>
32#define _HELENOS_SOURCE
33#include <pcut/pcut.h>
34
35PCUT_INIT;
36
37PCUT_TEST_SUITE(string);
38
39/** strcpy function */
40PCUT_TEST(strcpy)
41{
42 const char *s = "hello";
43 char buf[7];
44 size_t i;
45 char *p;
46
47 for (i = 0; i < 7; i++)
48 buf[i] = 'X';
49
50 p = strcpy(buf, s);
51
52 PCUT_ASSERT_TRUE(p == buf);
53 PCUT_ASSERT_TRUE(buf[0] == 'h');
54 PCUT_ASSERT_TRUE(buf[1] == 'e');
55 PCUT_ASSERT_TRUE(buf[2] == 'l');
56 PCUT_ASSERT_TRUE(buf[3] == 'l');
57 PCUT_ASSERT_TRUE(buf[4] == 'o');
58 PCUT_ASSERT_TRUE(buf[5] == '\0');
59 PCUT_ASSERT_TRUE(buf[6] == 'X');
60}
61
62/** strncpy function with n == 0 */
63PCUT_TEST(strncpy_zero)
64{
65 const char *s = "hello";
66 char buf[1];
67 char *p;
68
69 buf[0] = 'X';
70
71 p = strncpy(buf, s, 0);
72
73 /* No characters are copied */
74 PCUT_ASSERT_TRUE(p == buf);
75 PCUT_ASSERT_TRUE(buf[0] == 'X');
76}
77
78/** strncpy function with string longer than n argument */
79PCUT_TEST(strncpy_long)
80{
81 const char *s = "hello";
82 char buf[5];
83 size_t i;
84 char *p;
85
86 for (i = 0; i < 5; i++)
87 buf[i] = 'X';
88
89 p = strncpy(buf, s, 4);
90
91 PCUT_ASSERT_TRUE(p == buf);
92 PCUT_ASSERT_TRUE(buf[0] == 'h');
93 PCUT_ASSERT_TRUE(buf[1] == 'e');
94 PCUT_ASSERT_TRUE(buf[2] == 'l');
95 PCUT_ASSERT_TRUE(buf[3] == 'l');
96 PCUT_ASSERT_TRUE(buf[4] == 'X');
97}
98
99/** strncpy function with string containing exactly n characters */
100PCUT_TEST(strncpy_just)
101{
102 const char *s = "hello";
103 char buf[6];
104 size_t i;
105 char *p;
106
107 for (i = 0; i < 6; i++)
108 buf[i] = 'X';
109
110 p = strncpy(buf, s, 5);
111
112 PCUT_ASSERT_TRUE(p == buf);
113 PCUT_ASSERT_TRUE(buf[0] == 'h');
114 PCUT_ASSERT_TRUE(buf[1] == 'e');
115 PCUT_ASSERT_TRUE(buf[2] == 'l');
116 PCUT_ASSERT_TRUE(buf[3] == 'l');
117 PCUT_ASSERT_TRUE(buf[4] == 'o');
118 PCUT_ASSERT_TRUE(buf[5] == 'X');
119}
120
121/** strncpy function with string containing exactly n - 1 characters */
122PCUT_TEST(strncpy_just_over)
123{
124 const char *s = "hello";
125 char buf[7];
126 size_t i;
127 char *p;
128
129 for (i = 0; i < 7; i++)
130 buf[i] = 'X';
131
132 p = strncpy(buf, s, 6);
133
134 PCUT_ASSERT_TRUE(p == buf);
135 PCUT_ASSERT_TRUE(buf[0] == 'h');
136 PCUT_ASSERT_TRUE(buf[1] == 'e');
137 PCUT_ASSERT_TRUE(buf[2] == 'l');
138 PCUT_ASSERT_TRUE(buf[3] == 'l');
139 PCUT_ASSERT_TRUE(buf[4] == 'o');
140 PCUT_ASSERT_TRUE(buf[5] == '\0');
141 PCUT_ASSERT_TRUE(buf[6] == 'X');
142}
143
144/** strncpy function with string containing less than n - 1 characters */
145PCUT_TEST(strncpy_over)
146{
147 const char *s = "hello";
148 char buf[8];
149 size_t i;
150 char *p;
151
152 for (i = 0; i < 8; i++)
153 buf[i] = 'X';
154
155 p = strncpy(buf, s, 7);
156
157 PCUT_ASSERT_TRUE(p == buf);
158 PCUT_ASSERT_TRUE(buf[0] == 'h');
159 PCUT_ASSERT_TRUE(buf[1] == 'e');
160 PCUT_ASSERT_TRUE(buf[2] == 'l');
161 PCUT_ASSERT_TRUE(buf[3] == 'l');
162 PCUT_ASSERT_TRUE(buf[4] == 'o');
163 PCUT_ASSERT_TRUE(buf[5] == '\0');
164 PCUT_ASSERT_TRUE(buf[6] == '\0');
165 PCUT_ASSERT_TRUE(buf[7] == 'X');
166}
167
168/** strcat function */
169PCUT_TEST(strcat)
170{
171 char buf[7];
172 const char *s = "cde";
173 size_t i;
174 char *p;
175
176 buf[0] = 'a';
177 buf[1] = 'b';
178 buf[2] = '\0';
179
180 for (i = 3; i < 7; i++)
181 buf[i] = 'X';
182
183 p = strcat(buf, s);
184
185 PCUT_ASSERT_TRUE(p == buf);
186 PCUT_ASSERT_TRUE(buf[0] == 'a');
187 PCUT_ASSERT_TRUE(buf[1] == 'b');
188 PCUT_ASSERT_TRUE(buf[2] == 'c');
189 PCUT_ASSERT_TRUE(buf[3] == 'd');
190 PCUT_ASSERT_TRUE(buf[4] == 'e');
191 PCUT_ASSERT_TRUE(buf[5] == '\0');
192 PCUT_ASSERT_TRUE(buf[6] == 'X');
193}
194
195/** strncat function with n == 0 */
196PCUT_TEST(strncat_zero)
197{
198 const char *s = "cde";
199 char buf[4];
200 char *p;
201
202 buf[0] = 'a';
203 buf[1] = 'b';
204 buf[2] = '\0';
205 buf[3] = 'X';
206
207 p = strncat(buf, s, 0);
208
209 PCUT_ASSERT_TRUE(p == buf);
210 PCUT_ASSERT_TRUE(buf[0] == 'a');
211 PCUT_ASSERT_TRUE(buf[1] == 'b');
212 PCUT_ASSERT_TRUE(buf[2] == '\0');
213 PCUT_ASSERT_TRUE(buf[3] == 'X');
214}
215
216/** strncat function with string longer than n argument */
217PCUT_TEST(strncat_long)
218{
219 const char *s = "cde";
220 char buf[6];
221 size_t i;
222 char *p;
223
224 buf[0] = 'a';
225 buf[1] = 'b';
226 buf[2] = '\0';
227
228 for (i = 3; i < 6; i++)
229 buf[i] = 'X';
230
231 p = strncat(buf, s, 2);
232
233 PCUT_ASSERT_TRUE(p == buf);
234 PCUT_ASSERT_TRUE(buf[0] == 'a');
235 PCUT_ASSERT_TRUE(buf[1] == 'b');
236 PCUT_ASSERT_TRUE(buf[2] == 'c');
237 PCUT_ASSERT_TRUE(buf[3] == 'd');
238 PCUT_ASSERT_TRUE(buf[4] == '\0');
239 PCUT_ASSERT_TRUE(buf[5] == 'X');
240}
241
242/** strncat function with string containing exactly n characters */
243PCUT_TEST(strncat_just)
244{
245 const char *s = "cde";
246 char buf[7];
247 size_t i;
248 char *p;
249
250 buf[0] = 'a';
251 buf[1] = 'b';
252 buf[2] = '\0';
253
254 for (i = 3; i < 7; i++)
255 buf[i] = 'X';
256
257 p = strncat(buf, s, 3);
258
259 PCUT_ASSERT_TRUE(p == buf);
260 PCUT_ASSERT_TRUE(buf[0] == 'a');
261 PCUT_ASSERT_TRUE(buf[1] == 'b');
262 PCUT_ASSERT_TRUE(buf[2] == 'c');
263 PCUT_ASSERT_TRUE(buf[3] == 'd');
264 PCUT_ASSERT_TRUE(buf[4] == 'e');
265 PCUT_ASSERT_TRUE(buf[5] == '\0');
266 PCUT_ASSERT_TRUE(buf[6] == 'X');
267}
268
269/** strncat function with string containing exactly n - 1 characters */
270PCUT_TEST(strncat_just_over)
271{
272 const char *s = "cde";
273 char buf[7];
274 size_t i;
275 char *p;
276
277 buf[0] = 'a';
278 buf[1] = 'b';
279 buf[2] = '\0';
280
281 for (i = 3; i < 7; i++)
282 buf[i] = 'X';
283
284 p = strncat(buf, s, 4);
285
286 PCUT_ASSERT_TRUE(p == buf);
287 PCUT_ASSERT_TRUE(buf[0] == 'a');
288 PCUT_ASSERT_TRUE(buf[1] == 'b');
289 PCUT_ASSERT_TRUE(buf[2] == 'c');
290 PCUT_ASSERT_TRUE(buf[3] == 'd');
291 PCUT_ASSERT_TRUE(buf[4] == 'e');
292 PCUT_ASSERT_TRUE(buf[5] == '\0');
293 PCUT_ASSERT_TRUE(buf[6] == 'X');
294}
295
296/** strncat function with string containing less than n - 1 characters */
297PCUT_TEST(strncat_over)
298{
299 const char *s = "cde";
300 char buf[7];
301 size_t i;
302 char *p;
303
304 buf[0] = 'a';
305 buf[1] = 'b';
306 buf[2] = '\0';
307
308 for (i = 3; i < 7; i++)
309 buf[i] = 'X';
310
311 p = strncat(buf, s, 5);
312
313 PCUT_ASSERT_TRUE(p == buf);
314 PCUT_ASSERT_TRUE(buf[0] == 'a');
315 PCUT_ASSERT_TRUE(buf[1] == 'b');
316 PCUT_ASSERT_TRUE(buf[2] == 'c');
317 PCUT_ASSERT_TRUE(buf[3] == 'd');
318 PCUT_ASSERT_TRUE(buf[4] == 'e');
319 PCUT_ASSERT_TRUE(buf[5] == '\0');
320 PCUT_ASSERT_TRUE(buf[6] == 'X');
321}
322
323/** strcmp function with different characters after terminating null */
324PCUT_TEST(strcmp_same)
325{
326 PCUT_ASSERT_TRUE(strcmp("apples\0#", "apples\0$") == 0);
327}
328
329/** strcmp function with first string less than second */
330PCUT_TEST(strcmp_less_than)
331{
332 PCUT_ASSERT_TRUE(strcmp("apples", "oranges") < 0);
333}
334
335/** strcmp function with first string greater than second */
336PCUT_TEST(strcmp_greater_than)
337{
338 PCUT_ASSERT_TRUE(strcmp("oranges", "apples") > 0);
339}
340
341/* strcmp function with first string a prefix of second string */
342PCUT_TEST(strcmp_prefix)
343{
344 PCUT_ASSERT_TRUE(strcmp("apple", "apples") < 0);
345}
346
347/** strcoll function */
348PCUT_TEST(strcoll)
349{
350 /* Same string with different characters after terminating null */
351 PCUT_ASSERT_TRUE(strcoll("apples\0#", "apples\0$") == 0);
352
353 /* First string less than second */
354 PCUT_ASSERT_TRUE(strcoll("apples", "oranges") < 0);
355
356 /* First string greater than second */
357 PCUT_ASSERT_TRUE(strcoll("oranges", "apples") > 0);
358
359 /* First string is prefix of second */
360 PCUT_ASSERT_TRUE(strcoll("apple", "apples") < 0);
361}
362
363/** strncmp function with n == 0 */
364PCUT_TEST(strncmp_zero)
365{
366 PCUT_ASSERT_TRUE(strncmp("apple", "orange", 0) == 0);
367}
368
369/** strncmp function with strings differing after n characters */
370PCUT_TEST(strncmp_long)
371{
372 PCUT_ASSERT_TRUE(strncmp("apple", "apricot", 2) == 0);
373}
374
375/** strncmp function with strings differing in (n-1)th character */
376PCUT_TEST(strncmp_just)
377{
378 PCUT_ASSERT_TRUE(strncmp("apple", "apricot", 3) < 0);
379}
380
381/** strncmp function with strings differing before (n-1)th character */
382PCUT_TEST(strncmp_over)
383{
384 PCUT_ASSERT_TRUE(strncmp("dart", "tart", 3) < 0);
385}
386
387/** strxfrm function with null destination to determine size needed */
388PCUT_TEST(strxfrm_null)
389{
390 size_t n;
391
392 n = strxfrm(NULL, "hello", 0);
393 PCUT_ASSERT_INT_EQUALS(5, n);
394}
395
396/** strxfrm function with string longer than n argument */
397PCUT_TEST(strxfrm_long)
398{
399 const char *s = "hello";
400 char buf[5];
401 size_t i;
402 size_t n;
403
404 for (i = 0; i < 5; i++)
405 buf[i] = 'X';
406
407 n = strxfrm(buf, s, 4);
408
409 PCUT_ASSERT_INT_EQUALS(5, n);
410 PCUT_ASSERT_TRUE(buf[0] == 'h');
411 PCUT_ASSERT_TRUE(buf[1] == 'e');
412 PCUT_ASSERT_TRUE(buf[2] == 'l');
413 PCUT_ASSERT_TRUE(buf[3] == 'l');
414 PCUT_ASSERT_TRUE(buf[4] == 'X');
415}
416
417/** strxfrm function with string containing exactly n characters */
418PCUT_TEST(strxfrm_just)
419{
420 const char *s = "hello";
421 char buf[6];
422 size_t i;
423 size_t n;
424
425 for (i = 0; i < 6; i++)
426 buf[i] = 'X';
427
428 n = strxfrm(buf, s, 5);
429
430 PCUT_ASSERT_INT_EQUALS(5, n);
431 PCUT_ASSERT_TRUE(buf[0] == 'h');
432 PCUT_ASSERT_TRUE(buf[1] == 'e');
433 PCUT_ASSERT_TRUE(buf[2] == 'l');
434 PCUT_ASSERT_TRUE(buf[3] == 'l');
435 PCUT_ASSERT_TRUE(buf[4] == 'o');
436 PCUT_ASSERT_TRUE(buf[5] == 'X');
437}
438
439/** strxfrm function with string containing exactly n - 1 characters */
440PCUT_TEST(strxfrm_just_over)
441{
442 const char *s = "hello";
443 char buf[7];
444 size_t i;
445 size_t n;
446
447 for (i = 0; i < 7; i++)
448 buf[i] = 'X';
449
450 n = strxfrm(buf, s, 6);
451
452 PCUT_ASSERT_INT_EQUALS(5, n);
453 PCUT_ASSERT_TRUE(buf[0] == 'h');
454 PCUT_ASSERT_TRUE(buf[1] == 'e');
455 PCUT_ASSERT_TRUE(buf[2] == 'l');
456 PCUT_ASSERT_TRUE(buf[3] == 'l');
457 PCUT_ASSERT_TRUE(buf[4] == 'o');
458 PCUT_ASSERT_TRUE(buf[5] == '\0');
459 PCUT_ASSERT_TRUE(buf[6] == 'X');
460}
461
462/** strxfrm function with string containing less than n - 1 characters */
463PCUT_TEST(strxfrm_over)
464{
465 const char *s = "hello";
466 char buf[8];
467 size_t i;
468 size_t n;
469
470 for (i = 0; i < 8; i++)
471 buf[i] = 'X';
472
473 n = strxfrm(buf, s, 7);
474
475 PCUT_ASSERT_INT_EQUALS(5, n);
476 PCUT_ASSERT_TRUE(buf[0] == 'h');
477 PCUT_ASSERT_TRUE(buf[1] == 'e');
478 PCUT_ASSERT_TRUE(buf[2] == 'l');
479 PCUT_ASSERT_TRUE(buf[3] == 'l');
480 PCUT_ASSERT_TRUE(buf[4] == 'o');
481 PCUT_ASSERT_TRUE(buf[5] == '\0');
482 PCUT_ASSERT_TRUE(buf[6] == 'X');
483 PCUT_ASSERT_TRUE(buf[7] == 'X');
484}
485
486/** strchr function searching for null character */
487PCUT_TEST(strchr_nullchar)
488{
489 const char *s = "abcabc";
490 char *p;
491
492 p = strchr(s, '\0');
493 PCUT_ASSERT_TRUE((const char *)p == &s[6]);
494}
495
496/** strchr function with character occurring in string */
497PCUT_TEST(strchr_found)
498{
499 const char *s = "abcabc";
500 char *p;
501
502 p = strchr(s, 'b');
503 PCUT_ASSERT_TRUE((const char *)p == &s[1]);
504}
505
506/** strchr function with character not occurring in string */
507PCUT_TEST(strchr_not_found)
508{
509 const char *s = "abcabc";
510 char *p;
511
512 p = strchr(s, 'd');
513 PCUT_ASSERT_TRUE(p == NULL);
514}
515
516/** strcspn function with empty search string */
517PCUT_TEST(strcspn_empty_str)
518{
519 size_t n;
520
521 n = strcspn("", "abc");
522 PCUT_ASSERT_INT_EQUALS(0, n);
523}
524
525/** strcspn function with empty character set */
526PCUT_TEST(strcspn_empty_set)
527{
528 size_t n;
529
530 n = strcspn("abc", "");
531 PCUT_ASSERT_INT_EQUALS(3, n);
532}
533
534/** strcspn function with regular arguments */
535PCUT_TEST(strcspn_regular)
536{
537 size_t n;
538
539 n = strcspn("baBAba", "AB");
540 PCUT_ASSERT_INT_EQUALS(2, n);
541}
542
543/** strpbrk function with empty search string */
544PCUT_TEST(strpbrk_empty_string)
545{
546 char *p;
547
548 p = strpbrk("", "abc");
549 PCUT_ASSERT_NULL(p);
550}
551
552/** strpbrk function with empty character set */
553PCUT_TEST(strpbrk_empty_set)
554{
555 char *p;
556
557 p = strpbrk("abc", "");
558 PCUT_ASSERT_NULL(p);
559}
560
561/** strpbrk function with regular parameters */
562PCUT_TEST(strpbrk_regular)
563{
564 const char *s = "baBAba";
565 char *p;
566
567 p = strpbrk(s, "ab");
568 PCUT_ASSERT_TRUE((const char *)p == s);
569}
570
571/** strrchr function searching for null character */
572PCUT_TEST(strrchr_nullchar)
573{
574 const char *s = "abcabc";
575 char *p;
576
577 p = strrchr(s, '\0');
578 PCUT_ASSERT_TRUE((const char *)p == &s[6]);
579}
580
581/** strrchr function with character occurring in string */
582PCUT_TEST(strrchr_found)
583{
584 const char *s = "abcabc";
585 char *p;
586
587 p = strrchr(s, 'b');
588 PCUT_ASSERT_TRUE((const char *)p == &s[4]);
589}
590
591/** strrchr function with character not occurring in string */
592PCUT_TEST(strrchr_not_found)
593{
594 const char *s = "abcabc";
595 char *p;
596
597 p = strrchr(s, 'd');
598 PCUT_ASSERT_TRUE(p == NULL);
599}
600
601/** strspn function with empty search string */
602PCUT_TEST(strspn_empty_str)
603{
604 size_t n;
605
606 n = strspn("", "abc");
607 PCUT_ASSERT_INT_EQUALS(0, n);
608}
609
610/** strspn function with empty character set */
611PCUT_TEST(strspn_empty_set)
612{
613 size_t n;
614
615 n = strspn("abc", "");
616 PCUT_ASSERT_INT_EQUALS(0, n);
617}
618
619/** strspn function with regular arguments */
620PCUT_TEST(strspn_regular)
621{
622 size_t n;
623
624 n = strspn("baBAba", "ab");
625 PCUT_ASSERT_INT_EQUALS(2, n);
626}
627
628/** strstr function looking for empty substring */
629PCUT_TEST(strstr_empty)
630{
631 const char *str = "abcabcabcdabc";
632 char *p;
633
634 p = strstr(str, "");
635 PCUT_ASSERT_TRUE((const char *) p == str);
636}
637
638/** strstr function looking for substring with success */
639PCUT_TEST(strstr_found)
640{
641 const char *str = "abcabcabcdabc";
642 char *p;
643
644 p = strstr(str, "abcd");
645 PCUT_ASSERT_TRUE((const char *) p == &str[6]);
646}
647
648/** strstr function looking for substring with failure */
649PCUT_TEST(strstr_notfound)
650{
651 const char *str = "abcabcabcdabc";
652 char *p;
653
654 p = strstr(str, "abcde");
655 PCUT_ASSERT_NULL(p);
656}
657
658/** strtok function */
659PCUT_TEST(strtok)
660{
661 char str[] = ":a::b;;;$c";
662 char *t;
663
664 t = strtok(str, ":");
665 PCUT_ASSERT_TRUE(t == &str[1]);
666 PCUT_ASSERT_INT_EQUALS(0, strcmp(t, "a"));
667
668 t = strtok(NULL, ";");
669 PCUT_ASSERT_TRUE(t == &str[3]);
670 PCUT_ASSERT_INT_EQUALS(0, strcmp(t, ":b"));
671
672 t = strtok(NULL, "$;");
673 PCUT_ASSERT_TRUE(t == &str[9]);
674 PCUT_ASSERT_INT_EQUALS(0, strcmp(t, "c"));
675
676 t = strtok(NULL, "$");
677 PCUT_ASSERT_NULL(t);
678}
679
680/** strerror function with zero argument */
681PCUT_TEST(strerror_zero)
682{
683 char *p;
684
685 p = strerror(0);
686 PCUT_ASSERT_NOT_NULL(p);
687}
688
689/** strerror function with errno value argument */
690PCUT_TEST(strerror_errno)
691{
692 char *p;
693
694 p = strerror(EINVAL);
695 PCUT_ASSERT_NOT_NULL(p);
696}
697
698/** strerror function with negative argument */
699PCUT_TEST(strerror_negative)
700{
701 char *p;
702
703 p = strerror(-1);
704 PCUT_ASSERT_NOT_NULL(p);
705}
706
707/** strlen function with empty string */
708PCUT_TEST(strlen_empty)
709{
710 PCUT_ASSERT_INT_EQUALS(0, strlen(""));
711}
712
713/** strlen function with non-empty string */
714PCUT_TEST(strlen_nonempty)
715{
716 PCUT_ASSERT_INT_EQUALS(3, strlen("abc"));
717}
718
719PCUT_EXPORT(string);
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