xref: /freebsd/contrib/atf/atf-c/detail/dynstr_test.c (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
1 /* Copyright (c) 2008 The NetBSD Foundation, Inc.
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
14  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
15  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
20  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
22  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
24  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  */
25 
26 #include "atf-c/detail/dynstr.h"
27 
28 #include <stdarg.h>
29 #include <stdint.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 
34 #include <atf-c.h>
35 
36 #include "atf-c/detail/test_helpers.h"
37 
38 /* ---------------------------------------------------------------------
39  * Tests for the "atf_dynstr" type.
40  * --------------------------------------------------------------------- */
41 
42 /*
43  * Constructors and destructors.
44  */
45 
46 ATF_TC(init);
47 ATF_TC_HEAD(init, tc)
48 {
49     atf_tc_set_md_var(tc, "descr", "Checks the empty constructor");
50 }
51 ATF_TC_BODY(init, tc)
52 {
53     atf_dynstr_t str;
54 
55     RE(atf_dynstr_init(&str));
56     ATF_REQUIRE_EQ(atf_dynstr_length(&str), 0);
57     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "") == 0);
58     atf_dynstr_fini(&str);
59 }
60 
61 static
62 void
63 init_fmt(atf_dynstr_t *str, const char *fmt, ...)
64 {
65     va_list ap;
66 
67     va_start(ap, fmt);
68     RE(atf_dynstr_init_ap(str, fmt, ap));
69     va_end(ap);
70 }
71 
72 ATF_TC(init_ap);
73 ATF_TC_HEAD(init_ap, tc)
74 {
75     atf_tc_set_md_var(tc, "descr", "Checks the formatted constructor using "
76                       "a va_list argument");
77 }
78 ATF_TC_BODY(init_ap, tc)
79 {
80     atf_dynstr_t str;
81 
82     init_fmt(&str, "String 1");
83     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "String 1") == 0);
84     atf_dynstr_fini(&str);
85 
86     init_fmt(&str, "String %d", 2);
87     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "String 2") == 0);
88     atf_dynstr_fini(&str);
89 
90     init_fmt(&str, "%s %d", "String", 3);
91     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "String 3") == 0);
92     atf_dynstr_fini(&str);
93 
94     init_fmt(&str, "%s%s%s%s%s%s%s", "This ", "should ", "be ", "a ",
95              "large ", "string ", "aaaabbbbccccdddd");
96     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str),
97                      "This should be a large string "
98                      "aaaabbbbccccdddd") == 0);
99     atf_dynstr_fini(&str);
100 }
101 
102 ATF_TC(init_fmt);
103 ATF_TC_HEAD(init_fmt, tc)
104 {
105     atf_tc_set_md_var(tc, "descr", "Checks the formatted constructor using "
106                       "a variable list of parameters");
107 }
108 ATF_TC_BODY(init_fmt, tc)
109 {
110     atf_dynstr_t str;
111 
112     RE(atf_dynstr_init_fmt(&str, "String 1"));
113     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "String 1") == 0);
114     atf_dynstr_fini(&str);
115 
116     RE(atf_dynstr_init_fmt(&str, "String %d", 2));
117     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "String 2") == 0);
118     atf_dynstr_fini(&str);
119 
120     RE(atf_dynstr_init_fmt(&str, "%s %d", "String", 3));
121     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "String 3") == 0);
122     atf_dynstr_fini(&str);
123 
124     RE(atf_dynstr_init_fmt(&str, "%s%s%s%s%s%s%s", "This ", "should ",
125                            "be ", "a ", "large ", "string ",
126                            "aaaabbbbccccdddd"));
127     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str),
128                      "This should be a large string "
129                      "aaaabbbbccccdddd") == 0);
130     atf_dynstr_fini(&str);
131 }
132 
133 ATF_TC(init_raw);
134 ATF_TC_HEAD(init_raw, tc)
135 {
136     atf_tc_set_md_var(tc, "descr", "Checks the construction of a string "
137                       "using a raw memory pointer");
138 }
139 ATF_TC_BODY(init_raw, tc)
140 {
141     const char *src = "String 1, String 2";
142     atf_dynstr_t str;
143 
144     RE(atf_dynstr_init_raw(&str, src, 0));
145     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "") == 0);
146     atf_dynstr_fini(&str);
147 
148     RE(atf_dynstr_init_raw(&str, src, 8));
149     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "String 1") == 0);
150     atf_dynstr_fini(&str);
151 
152     RE(atf_dynstr_init_raw(&str, src + 10, 8));
153     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "String 2") == 0);
154     atf_dynstr_fini(&str);
155 
156     RE(atf_dynstr_init_raw(&str, "String\0Lost", 11));
157     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "String") == 0);
158     atf_dynstr_fini(&str);
159 
160     {
161         atf_error_t err = atf_dynstr_init_raw(&str, "NULL", SIZE_MAX - 1);
162         ATF_REQUIRE(atf_is_error(err));
163         ATF_REQUIRE(atf_error_is(err, "no_memory"));
164         atf_error_free(err);
165     }
166 }
167 
168 ATF_TC(init_rep);
169 ATF_TC_HEAD(init_rep, tc)
170 {
171     atf_tc_set_md_var(tc, "descr", "Checks the construction of a string by "
172                       "repeating characters");
173 }
174 ATF_TC_BODY(init_rep, tc)
175 {
176     const size_t maxlen = 8192;
177     char buf[maxlen + 1];
178     size_t i;
179 
180     buf[0] = '\0';
181 
182     for (i = 0; i < maxlen; i++) {
183         atf_dynstr_t str;
184 
185         RE(atf_dynstr_init_rep(&str, i, 'a'));
186 
187         if (strcmp(atf_dynstr_cstring(&str), buf) != 0) {
188             fprintf(stderr, "Failed at iteration %zd\n", i);
189             atf_tc_fail("Failed to construct dynstr by repeating %zd "
190                         "times the '%c' character", i, 'a');
191         }
192 
193         atf_dynstr_fini(&str);
194 
195         strcat(buf, "a");
196     }
197 
198     {
199         atf_dynstr_t str;
200         atf_error_t err;
201 
202         err = atf_dynstr_init_rep(&str, SIZE_MAX, 'a');
203         ATF_REQUIRE(atf_is_error(err));
204         ATF_REQUIRE(atf_error_is(err, "no_memory"));
205         atf_error_free(err);
206 
207         err = atf_dynstr_init_rep(&str, SIZE_MAX - 1, 'a');
208         ATF_REQUIRE(atf_is_error(err));
209         ATF_REQUIRE(atf_error_is(err, "no_memory"));
210         atf_error_free(err);
211     }
212 }
213 
214 ATF_TC(init_substr);
215 ATF_TC_HEAD(init_substr, tc)
216 {
217     atf_tc_set_md_var(tc, "descr", "Checks the construction of a string "
218                       "using a substring of another one");
219 }
220 ATF_TC_BODY(init_substr, tc)
221 {
222     atf_dynstr_t src;
223     atf_dynstr_t str;
224 
225     RE(atf_dynstr_init_fmt(&src, "Str 1, Str 2"));
226 
227     RE(atf_dynstr_init_substr(&str, &src, 0, 0));
228     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "") == 0);
229     atf_dynstr_fini(&str);
230 
231     RE(atf_dynstr_init_substr(&str, &src, 0, atf_dynstr_npos));
232     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "Str 1, Str 2") == 0);
233     atf_dynstr_fini(&str);
234 
235     RE(atf_dynstr_init_substr(&str, &src, 0, 100));
236     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "Str 1, Str 2") == 0);
237     atf_dynstr_fini(&str);
238 
239     RE(atf_dynstr_init_substr(&str, &src, 0, 5));
240     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "Str 1") == 0);
241     atf_dynstr_fini(&str);
242 
243     RE(atf_dynstr_init_substr(&str, &src, 100, atf_dynstr_npos));
244     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "") == 0);
245     atf_dynstr_fini(&str);
246 
247     RE(atf_dynstr_init_substr(&str, &src, 7, atf_dynstr_npos));
248     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "Str 2") == 0);
249     atf_dynstr_fini(&str);
250 
251     atf_dynstr_fini(&src);
252 }
253 
254 ATF_TC(copy);
255 ATF_TC_HEAD(copy, tc)
256 {
257     atf_tc_set_md_var(tc, "descr", "Checks the atf_dynstr_copy constructor");
258 }
259 ATF_TC_BODY(copy, tc)
260 {
261     atf_dynstr_t str, str2;
262 
263     RE(atf_dynstr_init_fmt(&str, "Test string"));
264     RE(atf_dynstr_copy(&str2, &str));
265 
266     ATF_REQUIRE(atf_equal_dynstr_dynstr(&str, &str2));
267 
268     RE(atf_dynstr_append_fmt(&str2, " non-shared text"));
269 
270     ATF_REQUIRE(!atf_equal_dynstr_dynstr(&str, &str2));
271 
272     atf_dynstr_fini(&str2);
273     atf_dynstr_fini(&str);
274 }
275 
276 ATF_TC(fini_disown);
277 ATF_TC_HEAD(fini_disown, tc)
278 {
279     atf_tc_set_md_var(tc, "descr", "Checks grabbing ownership of the "
280                       "internal plain C string");
281 }
282 ATF_TC_BODY(fini_disown, tc)
283 {
284     const char *cstr;
285     char *cstr2;
286     atf_dynstr_t str;
287 
288     RE(atf_dynstr_init_fmt(&str, "Test string 1"));
289     cstr = atf_dynstr_cstring(&str);
290     cstr2 = atf_dynstr_fini_disown(&str);
291 
292     ATF_REQUIRE_EQ(cstr, cstr2);
293     free(cstr2);
294 }
295 
296 /*
297  * Getters.
298  */
299 
300 ATF_TC(cstring);
301 ATF_TC_HEAD(cstring, tc)
302 {
303     atf_tc_set_md_var(tc, "descr", "Checks the method to obtain a plain C "
304                       "string");
305 }
306 ATF_TC_BODY(cstring, tc)
307 {
308     const char *cstr;
309     atf_dynstr_t str;
310 
311     RE(atf_dynstr_init_fmt(&str, "Test string 1"));
312     cstr = atf_dynstr_cstring(&str);
313     ATF_REQUIRE(cstr != NULL);
314     ATF_REQUIRE(strcmp(cstr, "Test string 1") == 0);
315     atf_dynstr_fini(&str);
316 
317     RE(atf_dynstr_init_fmt(&str, "Test string 2"));
318     cstr = atf_dynstr_cstring(&str);
319     ATF_REQUIRE(cstr != NULL);
320     ATF_REQUIRE(strcmp(cstr, "Test string 2") == 0);
321     atf_dynstr_fini(&str);
322 }
323 
324 ATF_TC(length);
325 ATF_TC_HEAD(length, tc)
326 {
327     atf_tc_set_md_var(tc, "descr", "Checks the method to obtain the length");
328 }
329 ATF_TC_BODY(length, tc)
330 {
331     size_t i;
332 
333     for (i = 0; i < 8192; i++) {
334         atf_dynstr_t str;
335         RE(atf_dynstr_init_rep(&str, i, 'a'));
336         ATF_REQUIRE_EQ(atf_dynstr_length(&str), i);
337         atf_dynstr_fini(&str);
338     }
339 }
340 
341 ATF_TC(rfind_ch);
342 ATF_TC_HEAD(rfind_ch, tc)
343 {
344     atf_tc_set_md_var(tc, "descr", "Checks the method to locate the first "
345                       "occurrence of a character starting from the end");
346 }
347 ATF_TC_BODY(rfind_ch, tc)
348 {
349     atf_dynstr_t str;
350 
351     RE(atf_dynstr_init_fmt(&str, "Foo1/Bar2/,.Baz"));
352 
353     ATF_REQUIRE_EQ(atf_dynstr_rfind_ch(&str, '\0'), atf_dynstr_npos);
354 
355     ATF_REQUIRE_EQ(atf_dynstr_rfind_ch(&str, '0'), atf_dynstr_npos);
356     ATF_REQUIRE_EQ(atf_dynstr_rfind_ch(&str, 'b'), atf_dynstr_npos);
357 
358     ATF_REQUIRE_EQ(atf_dynstr_rfind_ch(&str, 'F'), 0);
359     ATF_REQUIRE_EQ(atf_dynstr_rfind_ch(&str, '/'), 9);
360     ATF_REQUIRE_EQ(atf_dynstr_rfind_ch(&str, 'a'), 13);
361     ATF_REQUIRE_EQ(atf_dynstr_rfind_ch(&str, 'z'), 14);
362 
363     atf_dynstr_fini(&str);
364 }
365 
366 /*
367  * Modifiers.
368  */
369 
370 static
371 void
372 check_append(atf_error_t (*append)(atf_dynstr_t *, const char *, ...))
373 {
374     const size_t maxlen = 8192;
375     char buf[maxlen + 1];
376     size_t i;
377     atf_dynstr_t str;
378 
379     printf("Appending with plain string\n");
380     buf[0] = '\0';
381     RE(atf_dynstr_init(&str));
382     for (i = 0; i < maxlen; i++) {
383         if (strcmp(atf_dynstr_cstring(&str), buf) != 0) {
384             fprintf(stderr, "Failed at iteration %zd\n", i);
385             atf_tc_fail("Failed to append character at iteration %zd", i);
386         }
387 
388         RE(append(&str, "a"));
389         strcat(buf, "a");
390     }
391     atf_dynstr_fini(&str);
392 
393     printf("Appending with formatted string\n");
394     buf[0] = '\0';
395     RE(atf_dynstr_init(&str));
396     for (i = 0; i < maxlen; i++) {
397         if (strcmp(atf_dynstr_cstring(&str), buf) != 0) {
398             fprintf(stderr, "Failed at iteration %zd\n", i);
399             atf_tc_fail("Failed to append character at iteration %zd", i);
400         }
401 
402         RE(append(&str, "%s", "a"));
403         strcat(buf, "a");
404     }
405     atf_dynstr_fini(&str);
406 }
407 
408 static
409 atf_error_t
410 append_ap_aux(atf_dynstr_t *str, const char *fmt, ...)
411 {
412     va_list ap;
413     atf_error_t err;
414 
415     va_start(ap, fmt);
416     err = atf_dynstr_append_ap(str, fmt, ap);
417     va_end(ap);
418 
419     return err;
420 }
421 
422 ATF_TC(append_ap);
423 ATF_TC_HEAD(append_ap, tc)
424 {
425     atf_tc_set_md_var(tc, "descr", "Checks that appending a string to "
426                       "another one works");
427 }
428 ATF_TC_BODY(append_ap, tc)
429 {
430     check_append(append_ap_aux);
431 }
432 
433 ATF_TC(append_fmt);
434 ATF_TC_HEAD(append_fmt, tc)
435 {
436     atf_tc_set_md_var(tc, "descr", "Checks that appending a string to "
437                       "another one works");
438 }
439 ATF_TC_BODY(append_fmt, tc)
440 {
441     check_append(atf_dynstr_append_fmt);
442 }
443 
444 ATF_TC(clear);
445 ATF_TC_HEAD(clear, tc)
446 {
447     atf_tc_set_md_var(tc, "descr", "Checks clearing a string");
448 }
449 ATF_TC_BODY(clear, tc)
450 {
451     atf_dynstr_t str;
452 
453     printf("Clear an empty string\n");
454     RE(atf_dynstr_init(&str));
455     atf_dynstr_clear(&str);
456     ATF_REQUIRE_EQ(atf_dynstr_length(&str), 0);
457     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "") == 0);
458     atf_dynstr_fini(&str);
459 
460     printf("Clear a non-empty string\n");
461     RE(atf_dynstr_init_fmt(&str, "Not empty"));
462     ATF_REQUIRE_EQ(atf_dynstr_length(&str), strlen("Not empty"));
463     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "Not empty") == 0);
464     atf_dynstr_clear(&str);
465     ATF_REQUIRE_EQ(atf_dynstr_length(&str), 0);
466     ATF_REQUIRE(strcmp(atf_dynstr_cstring(&str), "") == 0);
467     atf_dynstr_fini(&str);
468 }
469 
470 static
471 void
472 check_prepend(atf_error_t (*prepend)(atf_dynstr_t *, const char *, ...))
473 {
474     const size_t maxlen = 8192;
475     char buf[maxlen + 1];
476     size_t i;
477     atf_dynstr_t str;
478 
479     printf("Prepending with plain string\n");
480     buf[0] = '\0';
481     RE(atf_dynstr_init(&str));
482     for (i = 0; i < maxlen; i++) {
483         if (strcmp(atf_dynstr_cstring(&str), buf) != 0) {
484             fprintf(stderr, "Failed at iteration %zd\n", i);
485             atf_tc_fail("Failed to prepend character at iteration %zd", i);
486         }
487 
488         memmove(buf + 1, buf, i + 1);
489         if (i % 2 == 0) {
490             RE(prepend(&str, "%s", "a"));
491             buf[0] = 'a';
492         } else {
493             RE(prepend(&str, "%s", "b"));
494             buf[0] = 'b';
495         }
496     }
497     atf_dynstr_fini(&str);
498 
499     printf("Prepending with formatted string\n");
500     buf[0] = '\0';
501     RE(atf_dynstr_init(&str));
502     for (i = 0; i < maxlen; i++) {
503         if (strcmp(atf_dynstr_cstring(&str), buf) != 0) {
504             fprintf(stderr, "Failed at iteration %zd\n", i);
505             atf_tc_fail("Failed to prepend character at iteration %zd", i);
506         }
507 
508         memmove(buf + 1, buf, i + 1);
509         if (i % 2 == 0) {
510             RE(prepend(&str, "%s", "a"));
511             buf[0] = 'a';
512         } else {
513             RE(prepend(&str, "%s", "b"));
514             buf[0] = 'b';
515         }
516     }
517     atf_dynstr_fini(&str);
518 }
519 
520 static
521 atf_error_t
522 prepend_ap_aux(atf_dynstr_t *str, const char *fmt, ...)
523 {
524     va_list ap;
525     atf_error_t err;
526 
527     va_start(ap, fmt);
528     err = atf_dynstr_prepend_ap(str, fmt, ap);
529     va_end(ap);
530 
531     return err;
532 }
533 
534 ATF_TC(prepend_ap);
535 ATF_TC_HEAD(prepend_ap, tc)
536 {
537     atf_tc_set_md_var(tc, "descr", "Checks that prepending a string to "
538                       "another one works");
539 }
540 ATF_TC_BODY(prepend_ap, tc)
541 {
542     check_prepend(prepend_ap_aux);
543 }
544 
545 ATF_TC(prepend_fmt);
546 ATF_TC_HEAD(prepend_fmt, tc)
547 {
548     atf_tc_set_md_var(tc, "descr", "Checks that prepending a string to "
549                       "another one works");
550 }
551 ATF_TC_BODY(prepend_fmt, tc)
552 {
553     check_prepend(atf_dynstr_prepend_fmt);
554 }
555 
556 /*
557  * Operators.
558  */
559 
560 ATF_TC(equal_cstring);
561 ATF_TC_HEAD(equal_cstring, tc)
562 {
563     atf_tc_set_md_var(tc, "descr", "Checks the atf_equal_dynstr_cstring "
564                       "function");
565 }
566 ATF_TC_BODY(equal_cstring, tc)
567 {
568     atf_dynstr_t str;
569 
570     RE(atf_dynstr_init(&str));
571     ATF_REQUIRE( atf_equal_dynstr_cstring(&str, ""));
572     ATF_REQUIRE(!atf_equal_dynstr_cstring(&str, "Test"));
573     atf_dynstr_fini(&str);
574 
575     RE(atf_dynstr_init_fmt(&str, "Test"));
576     ATF_REQUIRE( atf_equal_dynstr_cstring(&str, "Test"));
577     ATF_REQUIRE(!atf_equal_dynstr_cstring(&str, ""));
578     ATF_REQUIRE(!atf_equal_dynstr_cstring(&str, "Tes"));
579     ATF_REQUIRE(!atf_equal_dynstr_cstring(&str, "Test "));
580     atf_dynstr_fini(&str);
581 }
582 
583 ATF_TC(equal_dynstr);
584 ATF_TC_HEAD(equal_dynstr, tc)
585 {
586     atf_tc_set_md_var(tc, "descr", "Checks the atf_equal_dynstr_dynstr "
587                       "function");
588 }
589 ATF_TC_BODY(equal_dynstr, tc)
590 {
591     atf_dynstr_t str, str2;
592 
593     RE(atf_dynstr_init(&str));
594     RE(atf_dynstr_init_fmt(&str2, "Test"));
595     ATF_REQUIRE( atf_equal_dynstr_dynstr(&str, &str));
596     ATF_REQUIRE(!atf_equal_dynstr_dynstr(&str, &str2));
597     atf_dynstr_fini(&str2);
598     atf_dynstr_fini(&str);
599 }
600 
601 /* ---------------------------------------------------------------------
602  * Main.
603  * --------------------------------------------------------------------- */
604 
605 ATF_TP_ADD_TCS(tp)
606 {
607     /* Constructors and destructors. */
608     ATF_TP_ADD_TC(tp, init);
609     ATF_TP_ADD_TC(tp, init_ap);
610     ATF_TP_ADD_TC(tp, init_fmt);
611     ATF_TP_ADD_TC(tp, init_raw);
612     ATF_TP_ADD_TC(tp, init_rep);
613     ATF_TP_ADD_TC(tp, init_substr);
614     ATF_TP_ADD_TC(tp, copy);
615     ATF_TP_ADD_TC(tp, fini_disown);
616 
617     /* Getters. */
618     ATF_TP_ADD_TC(tp, cstring);
619     ATF_TP_ADD_TC(tp, length);
620     ATF_TP_ADD_TC(tp, rfind_ch);
621 
622     /* Modifiers. */
623     ATF_TP_ADD_TC(tp, append_ap);
624     ATF_TP_ADD_TC(tp, append_fmt);
625     ATF_TP_ADD_TC(tp, clear);
626     ATF_TP_ADD_TC(tp, prepend_ap);
627     ATF_TP_ADD_TC(tp, prepend_fmt);
628 
629     /* Operators. */
630     ATF_TP_ADD_TC(tp, equal_cstring);
631     ATF_TP_ADD_TC(tp, equal_dynstr);
632 
633     return atf_no_error();
634 }
635