xref: /freebsd/contrib/netbsd-tests/lib/libc/regex/t_regex_att.c (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c)
1 /*	$NetBSD: t_regex_att.c,v 1.3 2017/01/14 20:59:23 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Christos Zoulas.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/cdefs.h>
40 __RCSID("$NetBSD: t_regex_att.c,v 1.3 2017/01/14 20:59:23 christos Exp $");
41 
42 #include <sys/param.h>
43 
44 #include <atf-c.h>
45 #include <ctype.h>
46 #include <regex.h>
47 #include <stdio.h>
48 #include <stdlib.h>
49 #include <string.h>
50 #include <util.h>
51 #include <vis.h>
52 
53 static const char sep[] = "\r\n\t";
54 static const char delim[3] = "\\\\\0";
55 
56 
57 static void
58 fail(const char *pattern, const char *input, size_t lineno) {
59 	fprintf(stderr,
60 	    "skipping failed test at line %zu (pattern=%s, input=%s)\n",
61 	    lineno, pattern, input);
62 }
63 
64 static int
65 bug(const char *pattern, const char *input, size_t lineno) {
66 	static const struct {
67 		const char *p;
68 		const char *i;
69 	} b[] = {
70 #if defined(REGEX_SPENCER)
71 		/*
72 		 * The default libc implementation by Henry Spencer
73 		 */
74 		{ "a[-]?c", "ac" },			// basic.dat
75 		{ "(a*)*", "a" },			// categorization.dat
76 		{ "(aba|a*b)*", "ababa" },		// categorization.dat
77 		{ "\\(a\\(b\\)*\\)*\\2", "abab" },	// categorization.dat
78 		{ "(a*)*", "aaaaaa" },			// nullsubexpression.dat
79 		{ "(a*)*", "aaaaaax" },			// nullsubexpression.dat
80 		{ "(a*)+", "a" },			// nullsubexpression.dat
81 		{ "(a*)+", "aaaaaa" },			// nullsubexpression.dat
82 		{ "(a*)+", "aaaaaax" },			// nullsubexpression.dat
83 		{ "([a]*)*", "a" },			// nullsubexpression.dat
84 		{ "([a]*)*", "aaaaaa" },		// nullsubexpression.dat
85 		{ "([a]*)*", "aaaaaax" },		// nullsubexpression.dat
86 		{ "([a]*)+", "a" },			// nullsubexpression.dat
87 		{ "([a]*)+", "aaaaaa" },		// nullsubexpression.dat
88 		{ "([a]*)+", "aaaaaax" },		// nullsubexpression.dat
89 		{ "([^b]*)*", "a" },			// nullsubexpression.dat
90 		{ "([^b]*)*", "aaaaaa" },		// nullsubexpression.dat
91 		{ "([^b]*)*", "aaaaaab" },		// nullsubexpression.dat
92 		{ "([ab]*)*", "a" },			// nullsubexpression.dat
93 		{ "([ab]*)*", "aaaaaa" },		// nullsubexpression.dat
94 		{ "([ab]*)*", "ababab" },		// nullsubexpression.dat
95 		{ "([ab]*)*", "bababa" },		// nullsubexpression.dat
96 		{ "([ab]*)*", "b" },			// nullsubexpression.dat
97 		{ "([ab]*)*", "bbbbbb" },		// nullsubexpression.dat
98 		{ "([ab]*)*", "aaaabcde" },		// nullsubexpression.dat
99 		{ "([^a]*)*", "b" },			// nullsubexpression.dat
100 		{ "([^a]*)*", "bbbbbb" },		// nullsubexpression.dat
101 		{ "([^ab]*)*", "ccccxx" },		// nullsubexpression.dat
102 		{ "\\(a*\\)*\\(x\\)", "ax" },		// nullsubexpression.dat
103 		{ "\\(a*\\)*\\(x\\)", "axa" },		// nullsubexpression.dat
104 		{ "\\(a*\\)*\\(x\\)\\(\\1\\)", "x" },	// nullsubexpression.dat
105 /* crash! */	{ "\\(a*\\)*\\(x\\)\\(\\1\\)", "ax" },	// nullsubexpression.dat
106 /* crash! */	{ "\\(a*\\)*\\(x\\)\\(\\1\\)\\(x\\)", "axxa" },	// ""
107 		{ "(a*)*(x)",  "ax" },			// nullsubexpression.dat
108 		{ "(a*)*(x)",  "axa" },			// nullsubexpression.dat
109 		{ "(a*)+(x)",  "ax" },			// nullsubexpression.dat
110 		{ "(a*)+(x)",  "axa" },			// nullsubexpression.dat
111 		{ "((a|ab)(c|bcd))(d*)", "abcd" },	// forcedassoc.dat
112 		{ "((a|ab)(bcd|c))(d*)", "abcd" },	// forcedassoc.dat
113 		{ "((ab|a)(c|bcd))(d*)", "abcd" },	// forcedassoc.dat
114 		{ "((ab|a)(bcd|c))(d*)", "abcd" },	// forcedassoc.dat
115 		{ "((a*)(b|abc))(c*)", "abc" },		// forcedassoc.dat
116 		{ "((a*)(abc|b))(c*)", "abc" },		// forcedassoc.dat
117 		{ "((..)|(.)){2}", "aaa" },		// repetition.dat
118 		{ "((..)|(.)){3}", "aaa" },		// repetition.dat
119 		{ "((..)|(.)){3}", "aaaa" },		// repetition.dat
120 		{ "((..)|(.)){3}", "aaaaa" },		// repetition.dat
121 		{ "X(.?){0,}Y", "X1234567Y" },		// repetition.dat
122 		{ "X(.?){1,}Y", "X1234567Y" },		// repetition.dat
123 		{ "X(.?){2,}Y", "X1234567Y" },		// repetition.dat
124 		{ "X(.?){3,}Y", "X1234567Y" },		// repetition.dat
125 		{ "X(.?){4,}Y", "X1234567Y" },		// repetition.dat
126 		{ "X(.?){5,}Y", "X1234567Y" },		// repetition.dat
127 		{ "X(.?){6,}Y", "X1234567Y" },		// repetition.dat
128 		{ "X(.?){7,}Y", "X1234567Y" },		// repetition.dat
129 		{ "X(.?){0,8}Y", "X1234567Y" },		// repetition.dat
130 		{ "X(.?){1,8}Y", "X1234567Y" },		// repetition.dat
131 		{ "X(.?){2,8}Y", "X1234567Y" },		// repetition.dat
132 		{ "X(.?){3,8}Y", "X1234567Y" },		// repetition.dat
133 		{ "X(.?){4,8}Y", "X1234567Y" },		// repetition.dat
134 		{ "X(.?){5,8}Y", "X1234567Y" },		// repetition.dat
135 		{ "X(.?){6,8}Y", "X1234567Y" },		// repetition.dat
136 		{ "X(.?){7,8}Y", "X1234567Y" },		// repetition.dat
137 		{ "(a|ab|c|bcd){0,}(d*)", "ababcd" },	// repetition.dat
138 		{ "(a|ab|c|bcd){1,}(d*)", "ababcd" },	// repetition.dat
139 		{ "(a|ab|c|bcd){2,}(d*)", "ababcd" },	// repetition.dat
140 		{ "(a|ab|c|bcd){3,}(d*)", "ababcd" },	// repetition.dat
141 		{ "(a|ab|c|bcd){1,10}(d*)", "ababcd" },	// repetition.dat
142 		{ "(a|ab|c|bcd){2,10}(d*)", "ababcd" },	// repetition.dat
143 		{ "(a|ab|c|bcd){3,10}(d*)", "ababcd" },	// repetition.dat
144 		{ "(a|ab|c|bcd)*(d*)", "ababcd" },	// repetition.dat
145 		{ "(a|ab|c|bcd)+(d*)", "ababcd" },	// repetition.dat
146 		{ "(ab|a|c|bcd){0,}(d*)", "ababcd" },	// repetition.dat
147 		{ "(ab|a|c|bcd){1,}(d*)", "ababcd" },	// repetition.dat
148 		{ "(ab|a|c|bcd){2,}(d*)", "ababcd" },	// repetition.dat
149 		{ "(ab|a|c|bcd){3,}(d*)", "ababcd" },	// repetition.dat
150 		{ "(ab|a|c|bcd){1,10}(d*)", "ababcd" },	// repetition.dat
151 		{ "(ab|a|c|bcd){2,10}(d*)", "ababcd" },	// repetition.dat
152 		{ "(ab|a|c|bcd){3,10}(d*)", "ababcd" },	// repetition.dat
153 		{ "(ab|a|c|bcd)*(d*)", "ababcd" },	// repetition.dat
154 		{ "(ab|a|c|bcd)+(d*)", "ababcd" },	// repetition.dat
155 #elif defined(REGEX_TRE)
156 		{ "a[-]?c", "ac" },			// basic.dat
157 		{ "a\\(b\\)*\\1", "a" },		// categorization.dat
158 		{ "a\\(b\\)*\\1", "abab" },		// categorization.dat
159 		{ "\\(a\\(b\\)*\\)*\\2", "abab" },	// categorization.dat
160 		{ "\\(a*\\)*\\(x\\)\\(\\1\\)", "ax" },	// categorization.dat
161 		{ "\\(a*\\)*\\(x\\)\\(\\1\\)\\(x\\)", "axxa" },	// ""
162 		{ "((..)|(.))*", "aa" },		// repetition.dat
163 		{ "((..)|(.))*", "aaa" },		// repetition.dat
164 		{ "((..)|(.))*", "aaaaa" },		// repetition.dat
165 		{ "X(.?){7,}Y", "X1234567Y" },		// repetition.dat
166 #else
167 		{ "", "" }
168 #endif
169 	};
170 
171 	for (size_t i = 0; i < __arraycount(b); i++) {
172 		if (strcmp(pattern, b[i].p) == 0 &&
173 		    strcmp(input, b[i].i) == 0) {
174 			fail(pattern, input, lineno);
175 			return 1;
176 		}
177 	}
178 	return 0;
179 }
180 
181 #ifdef REGEX_SPENCER
182 #define HAVE_BRACES	1
183 #define HAVE_MINIMAL	0
184 #endif
185 #ifndef HAVE_BRACES
186 #define HAVE_BRACES	1
187 #endif
188 #ifndef HAVE_MINIMAL
189 #define HAVE_MINIMAL	1
190 #endif
191 
192 static int
193 optional(const char *s)
194 {
195 	static const struct{
196 		const char *n;
197 		int v;
198 	} nv[]= {
199 		{ "[[<element>]] not supported", HAVE_BRACES },
200 		{ "no *? +? mimimal match ops", HAVE_MINIMAL },
201 	};
202 
203 	for (size_t i = 0; i < __arraycount(nv); i++)
204 		if (strcmp(nv[i].n, s) == 0) {
205 			if (nv[i].v)
206 				return 0;
207 			fprintf(stderr, "skipping unsupported [%s] tests\n", s);
208 			return 1;
209 		}
210 
211 	ATF_REQUIRE_MSG(0, "Unknown feature: %s", s);
212 	return 0;
213 }
214 
215 static int
216 unsupported(const char *s)
217 {
218 	static const char *we[] = {
219 #if defined(REGEX_SPENCER)
220 		"ASSOCIATIVITY=left",		// have right associativity
221 		"SUBEXPRESSION=precedence",	// have grouping subexpression
222 		"REPEAT_LONGEST=last",		// have first repeat longest
223 		"BUG=alternation-order",	// don't have it
224 		"BUG=first-match",		// don't have it
225 		"BUG=nomatch-match",		// don't have it
226 		"BUG=repeat-any",		// don't have it
227 		"BUG=range-null",		// don't have it
228 		"BUG=repeat-null-unknown",	// don't have it
229 		"BUG=repeat-null",		// don't have it
230 		"BUG=repeat-artifact",		// don't have it
231 		"BUG=subexpression-first",	// don't have it
232 #elif defined(REGEX_TRE)
233 		"ASSOCIATIVITY=right",		// have left associativity
234 		"SUBEXPRESSION=grouping",	// have precedence subexpression
235 		"REPEAT_LONGEST=first",		// have last repeat longest
236 		"LENGTH=first",			// have last length
237 		"BUG=alternation-order",	// don't have it
238 		"BUG=first-match",		// don't have it
239 		"BUG=range-null",		// don't have it
240 		"BUG=repeat-null",		// don't have it
241 		"BUG=repeat-artifact",		// don't have it
242 		"BUG=subexpression-first",	// don't have it
243 		"BUG=repeat-short",		// don't have it
244 #endif
245 	};
246 
247 	if (s == NULL)
248 		return 0;
249 
250 	while (*s == '#' || isspace((unsigned char)*s))
251 		s++;
252 
253 	for (size_t i = 0; i < __arraycount(we); i++)
254 		if (strcmp(we[i], s) == 0)
255 			return 1;
256 	return 0;
257 }
258 
259 static void
260 geterror(const char *s, int *comp, int *exec)
261 {
262 	static const struct {
263 		const char *n;
264 		int v;
265 		int ce;
266 	} nv[] = {
267 #define COMP 1
268 #define EXEC 2
269 		{ "OK", 0, COMP|EXEC },
270 #define _DO(a, b)	{ # a, REG_ ## a, b },
271 		_DO(NOMATCH, EXEC)
272 		_DO(BADPAT, COMP)
273 		_DO(ECOLLATE, COMP)
274 		_DO(ECTYPE, COMP)
275 		_DO(EESCAPE, COMP)
276 		_DO(ESUBREG, COMP)
277 		_DO(EBRACK, COMP)
278 		_DO(EPAREN, COMP)
279 		_DO(EBRACE, COMP)
280 		_DO(BADBR, COMP)
281 		_DO(ERANGE, COMP)
282 		_DO(ESPACE, EXEC)
283 		_DO(BADRPT, COMP)
284 		_DO(EMPTY, COMP)
285 		_DO(ASSERT, COMP)
286 		_DO(INVARG, COMP)
287 		_DO(ENOSYS, COMP)
288 #undef _DO
289 	};
290 	*comp = 0;
291 	*exec = 0;
292 	for (size_t i = 0; i < __arraycount(nv); i++)
293 		if (strcmp(s, nv[i].n) == 0) {
294 			if (nv[i].ce & COMP)
295 				*comp = nv[i].v;
296 			if (nv[i].ce & EXEC)
297 				*exec = nv[i].v;
298 			return;
299 		}
300 	ATF_REQUIRE_MSG(0, "Unknown error %s", s);
301 	return;
302 }
303 
304 static int
305 getflags(char *s)
306 {
307 	int flags = 0;
308 
309 	for (;; s++)
310 		switch (*s) {
311 		case '0': case '1': case '2': case '3': case '4':
312 		case '5': case '6': case '7': case '8': case '9':
313 			*s = '\0';
314 			break;
315 		case '\0':
316 			return flags;
317 		case 'B':
318 		case 'E':
319 		case 'F':
320 		case 'L':
321 			break;
322 		case 'i':
323 			flags |= REG_ICASE;
324 			*s = '\0';
325 			break;
326 		case '$':
327 			*s = '\0';
328 			break;
329 		case 'n':
330 			*s = '\0';
331 			break;
332 		default:
333 			ATF_REQUIRE_MSG(0, "Unknown char %c", *s);
334 			break;
335 		}
336 }
337 
338 static size_t
339 getmatches(const char *s)
340 {
341 	size_t i;
342 	char *q;
343 	for (i = 0; (q = strchr(s, '(')) != NULL; i++, s = q + 1)
344 		continue;
345 	ATF_REQUIRE_MSG(i != 0, "No parentheses found");
346 	return i;
347 }
348 
349 static void
350 checkcomment(const char *s, size_t lineno)
351 {
352 	if (s && strstr(s, "BUG") != NULL)
353 		fprintf(stderr, "Expected %s at line %zu\n", s, lineno);
354 }
355 
356 static void
357 checkmatches(const char *matches, size_t nm, const regmatch_t *pm,
358     size_t lineno)
359 {
360 	if (nm == 0)
361 		return;
362 
363 	char *res;
364 	size_t len = strlen(matches) + 1, off = 0;
365 
366 	ATF_REQUIRE((res = strdup(matches)) != NULL);
367 	for (size_t i = 0; i < nm; i++) {
368 		int l;
369 		if (pm[i].rm_so == -1 && pm[i].rm_eo == -1)
370 			l = snprintf(res + off, len - off, "(?,?)");
371 		else
372 			l = snprintf(res + off, len - off, "(%lld,%lld)",
373 			    (long long)pm[i].rm_so, (long long)pm[i].rm_eo);
374 		ATF_REQUIRE_MSG((size_t) l < len - off, "String too long %s"
375 		    " cur=%d, max=%zu", res, l, len - off);
376 		off += l;
377 	}
378 	ATF_CHECK_STREQ_MSG(res, matches, " at line %zu", lineno);
379 	free(res);
380 }
381 
382 static void
383 att_test(const struct atf_tc *tc, const char *data_name)
384 {
385 	regex_t re;
386 	char *line, *lastpattern = NULL, data_path[MAXPATHLEN];
387 	size_t len, lineno = 0;
388 	int skipping = 0;
389 	FILE *input_file;
390 
391 	snprintf(data_path, sizeof(data_path), "%s/data/%s.dat",
392 	    atf_tc_get_config_var(tc, "srcdir"), data_name);
393 
394 	input_file = fopen(data_path, "r");
395 	if (input_file == NULL)
396 		atf_tc_fail("Failed to open input file %s", data_path);
397 
398 	for (; (line = fparseln(input_file, &len, &lineno, delim, 0))
399 	    != NULL; free(line)) {
400 		char *name, *pattern, *input, *matches, *comment;
401 		regmatch_t *pm;
402 		size_t nm;
403 #ifdef DEBUG
404 		fprintf(stderr, "[%s]\n", line);
405 #endif
406 		if ((name = strtok(line, sep)) == NULL)
407 			continue;
408 
409 		/*
410 		 * We check these early so that we skip the lines quickly
411 		 * in order to do more strict testing on the other arguments
412 		 * The same characters are also tested in the switch below
413 		 */
414 		if (*name == '}') {
415 			skipping = 0;
416 			continue;
417 		}
418 		if (skipping)
419 			continue;
420 		if (*name == ';' || *name == '#' || strcmp(name, "NOTE") == 0)
421 			continue;
422 		if (*name == ':') {
423 			/* Skip ":HA#???:" prefix */
424 			while (*++name && *name != ':')
425 				continue;
426 			if (*name)
427 				name++;
428 		}
429 
430 		ATF_REQUIRE_MSG((pattern = strtok(NULL, sep)) != NULL,
431 			"Missing pattern at line %zu", lineno);
432 		ATF_REQUIRE_MSG((input = strtok(NULL, sep)) != NULL,
433 			"Missing input at line %zu", lineno);
434 
435 		if (strchr(name, '$')) {
436 			ATF_REQUIRE(strunvis(pattern, pattern) != -1);
437 			ATF_REQUIRE(strunvis(input, input) != -1);
438 		}
439 
440 
441 		if (strcmp(input, "NULL") == 0)
442 			*input = '\0';
443 
444 		if (strcmp(pattern, "SAME") == 0) {
445 			ATF_REQUIRE(lastpattern != NULL);
446 			pattern = lastpattern;
447 		} else {
448 			free(lastpattern);
449 			ATF_REQUIRE((lastpattern = strdup(pattern)) != NULL);
450 		}
451 
452 		ATF_REQUIRE_MSG((matches = strtok(NULL, sep)) != NULL,
453 		    "Missing matches at line %zu", lineno);
454 
455 		comment = strtok(NULL, sep);
456 		switch (*name) {
457 		case '{':	/* Begin optional implementation */
458 			if (optional(comment)) {
459 				skipping++;
460 				continue;
461 			}
462 			name++;	/* We have it, so ignore */
463 			break;
464 		case '}':	/* End optional implementation */
465 			skipping = 0;
466 			continue;
467 		case '?':	/* Optional */
468 		case '|':	/* Alternative */
469 			if (unsupported(comment))
470 				continue;
471 			name++;	/* We have it, so ignore */
472 			break;
473 		case '#':	/* Comment */
474 		case ';':	/* Skip */
475 			continue;
476 		default:
477 			break;
478 		}
479 
480 		/* XXX: Our bug */
481 		if (bug(pattern, input, lineno))
482 			continue;
483 
484 		int comp, exec;
485 		if (*matches != '(') {
486 			geterror(matches, &comp, &exec);
487 			pm = NULL;
488 			nm = 0;
489 		} else {
490 			comp = exec = 0;
491 			nm = getmatches(matches);
492 			ATF_REQUIRE((pm = calloc(nm, sizeof(*pm))) != NULL);
493 		}
494 
495 
496 
497 		int iflags = getflags(name);
498 		for (; *name; name++) {
499 			int flags;
500 			switch (*name) {
501 			case 'B':
502 				flags = REG_BASIC;
503 				break;
504 			case 'E':
505 				flags = REG_EXTENDED;
506 				break;
507 			case 'L':
508 				flags = REG_NOSPEC;
509 				break;
510 			default:
511 				ATF_REQUIRE_MSG(0, "Bad name %c", *name);
512 				continue;
513 			}
514 			int c = regcomp(&re, pattern, flags | iflags);
515 			ATF_REQUIRE_MSG(c == comp,
516 			    "regcomp returned %d for pattern %s at line %zu",
517 			    c, pattern, lineno);
518 			if (c)
519 				continue;
520 			int e = regexec(&re, input, nm, pm, 0);
521 			ATF_REQUIRE_MSG(e == exec, "Expected error %d,"
522 			    " got %d at line %zu", exec, e, lineno);
523 			checkmatches(matches, nm, pm, lineno);
524 			checkcomment(comment, lineno);
525 			regfree(&re);
526 		}
527 		free(pm);
528 	}
529 
530 	fclose(input_file);
531 }
532 
533 ATF_TC(basic);
534 ATF_TC_HEAD(basic, tc)
535 {
536 	atf_tc_set_md_var(tc, "descr", "Tests basic functionality");
537 }
538 ATF_TC_BODY(basic, tc)
539 {
540 	att_test(tc, "basic");
541 }
542 
543 ATF_TC(categorization);
544 ATF_TC_HEAD(categorization, tc)
545 {
546 	atf_tc_set_md_var(tc, "descr", "Tests implementation categorization");
547 }
548 ATF_TC_BODY(categorization, tc)
549 {
550 	att_test(tc, "categorization");
551 }
552 
553 ATF_TC(nullsubexpr);
554 ATF_TC_HEAD(nullsubexpr, tc)
555 {
556 	atf_tc_set_md_var(tc, "descr", "Tests (...)*");
557 }
558 ATF_TC_BODY(nullsubexpr, tc)
559 {
560 	att_test(tc, "nullsubexpr");
561 }
562 
563 ATF_TC(leftassoc);
564 ATF_TC_HEAD(leftassoc, tc)
565 {
566 	atf_tc_set_md_var(tc, "descr", "Tests left-associative "
567 	    "implementations");
568 }
569 ATF_TC_BODY(leftassoc, tc)
570 {
571 #if SKIP_LEFTASSOC
572 	/* jmmv: I converted the original shell-based tests to C and they
573 	 * disabled this test in a very unconventional way without giving
574 	 * any explation.  Mark as broken here, but I don't know why. */
575 	atf_tc_expect_fail("Reason for breakage unknown");
576 #endif
577 	att_test(tc, "leftassoc");
578 }
579 
580 ATF_TC(rightassoc);
581 ATF_TC_HEAD(rightassoc, tc)
582 {
583 	atf_tc_set_md_var(tc, "descr", "Tests right-associative "
584 	    "implementations");
585 }
586 ATF_TC_BODY(rightassoc, tc)
587 {
588 #if SKIP_RIGHTASSOC
589 	/* jmmv: I converted the original shell-based tests to C and they
590 	 * disabled this test in a very unconventional way without giving
591 	 * any explation.  Mark as broken here, but I don't know why. */
592 	atf_tc_expect_fail("Reason for breakage unknown");
593 #endif
594 	att_test(tc, "rightassoc");
595 }
596 
597 ATF_TC(forcedassoc);
598 ATF_TC_HEAD(forcedassoc, tc)
599 {
600 	atf_tc_set_md_var(tc, "descr", "Tests subexpression grouping to "
601 	    "force association");
602 }
603 ATF_TC_BODY(forcedassoc, tc)
604 {
605 	att_test(tc, "forcedassoc");
606 }
607 
608 ATF_TC(repetition);
609 ATF_TC_HEAD(repetition, tc)
610 {
611 	atf_tc_set_md_var(tc, "descr", "Tests implicit vs. explicit "
612 	    "repetition");
613 }
614 ATF_TC_BODY(repetition, tc)
615 {
616 	att_test(tc, "repetition");
617 }
618 
619 ATF_TP_ADD_TCS(tp)
620 {
621 
622 	ATF_TP_ADD_TC(tp, basic);
623 	ATF_TP_ADD_TC(tp, categorization);
624 	ATF_TP_ADD_TC(tp, nullsubexpr);
625 	ATF_TP_ADD_TC(tp, leftassoc);
626 	ATF_TP_ADD_TC(tp, rightassoc);
627 	ATF_TP_ADD_TC(tp, forcedassoc);
628 	ATF_TP_ADD_TC(tp, repetition);
629 	return atf_no_error();
630 }
631