source: mainline/uspace/lib/c/test/getopt.c@ 9bfa8c8

Last change on this file since 9bfa8c8 was d7f7a4a, checked in by Jiří Zárevúcky <zarevucky.jiri@…>, 3 years ago

Replace some license headers with SPDX identifier

Headers are replaced using tools/transorm-copyright.sh only
when it can be matched verbatim with the license header used
throughout most of the codebase.
  • Property mode set to 100644
File size: 10.6 KB
RevLine 
[88e7dc5]1/*
[d7f7a4a]2 * SPDX-FileCopyrightText: 2019 Matthieu Riolo
[88e7dc5]3 *
[d7f7a4a]4 * SPDX-License-Identifier: BSD-3-Clause
[88e7dc5]5 */
6
7#include <pcut/pcut.h>
8#include <getopt.h>
9#include <stdio.h>
10
11PCUT_INIT;
12
13PCUT_TEST_SUITE(getopt);
14
15PCUT_TEST(getopt_param_flag)
16{
17 int argc = 4;
18 const char *argv[] = {
19 "get_opt_test",
20 "-f",
21 "-p",
22 "param",
23 };
24
25 const char *options = "fp:";
26
27 int ret;
28 optreset = 1;
29 opterr = 0;
30
31 ret = getopt(argc, (char *const *)argv, options);
32
33 PCUT_ASSERT_INT_EQUALS('f', ret);
34 PCUT_ASSERT_INT_EQUALS(2, optind);
35
36 ret = getopt(argc, (char *const *)argv, options);
37
38 PCUT_ASSERT_INT_EQUALS('p', ret);
39 PCUT_ASSERT_INT_EQUALS(4, optind);
40 PCUT_ASSERT_STR_EQUALS("param", optarg);
41
42 ret = getopt(argc, (char *const *)argv, options);
43 PCUT_ASSERT_INT_EQUALS(-1, ret);
44}
45
46PCUT_TEST(getopt_concat_flags)
47{
48 int argc = 2;
49 const char *argv[] = {
50 "get_opt_test",
51 "-fda",
52 };
53
54 const char *options = "afd";
55
56 int ret;
57 optreset = 1;
58 opterr = 0;
59
60 ret = getopt(argc, (char *const *)argv, options);
61
62 PCUT_ASSERT_INT_EQUALS('f', ret);
63 PCUT_ASSERT_INT_EQUALS(1, optind);
64
65 ret = getopt(argc, (char *const *)argv, options);
66
67 PCUT_ASSERT_INT_EQUALS('d', ret);
68 PCUT_ASSERT_INT_EQUALS(1, optind);
69
70 ret = getopt(argc, (char *const *)argv, options);
71
72 PCUT_ASSERT_INT_EQUALS('a', ret);
73 PCUT_ASSERT_INT_EQUALS(2, optind);
74
75 ret = getopt(argc, (char *const *)argv, options);
76 PCUT_ASSERT_INT_EQUALS(-1, ret);
77}
78
79PCUT_TEST(getopt_concat_flag_param)
80{
81 int argc = 3;
82 const char *argv[] = {
83 "get_opt_test",
84 "-fp",
85 "param"
86 };
87
88 const char *options = "fp:";
89
90 int ret;
91 optreset = 1;
92 opterr = 0;
93
94 ret = getopt(argc, (char *const *)argv, options);
95
96 PCUT_ASSERT_INT_EQUALS('f', ret);
97 PCUT_ASSERT_INT_EQUALS(1, optind);
98
99 ret = getopt(argc, (char *const *)argv, options);
100
101 PCUT_ASSERT_INT_EQUALS('p', ret);
102 PCUT_ASSERT_INT_EQUALS(3, optind);
103 PCUT_ASSERT_STR_EQUALS("param", optarg);
104
105 ret = getopt(argc, (char *const *)argv, options);
106 PCUT_ASSERT_INT_EQUALS(-1, ret);
107}
108
109PCUT_TEST(getopt_missing_param1)
110{
111 int argc = 2;
112 const char *argv[] = {
113 "get_opt_test",
114 "-p",
115 };
116
117 const char *options = "p:";
118
119 int ret;
120 optreset = 1;
121 opterr = 0;
122
123 ret = getopt(argc, (char *const *)argv, options);
124
125 PCUT_ASSERT_INT_EQUALS('?', ret);
126 PCUT_ASSERT_INT_EQUALS('p', optopt);
127 PCUT_ASSERT_INT_EQUALS(2, optind);
128
129 ret = getopt(argc, (char *const *)argv, options);
130 PCUT_ASSERT_INT_EQUALS(-1, ret);
131}
132
133PCUT_TEST(getopt_missing_param2)
134{
135 int argc = 2;
136 const char *argv[] = {
137 "get_opt_test",
138 "-p",
139 };
140
141 const char *options = ":p:";
142
143 int ret;
144 optreset = 1;
145 opterr = 0;
146
147 ret = getopt(argc, (char *const *)argv, options);
148
149 PCUT_ASSERT_INT_EQUALS(':', ret);
150 PCUT_ASSERT_INT_EQUALS('p', optopt);
151 PCUT_ASSERT_INT_EQUALS(2, optind);
152
153 ret = getopt(argc, (char *const *)argv, options);
154 PCUT_ASSERT_INT_EQUALS(-1, ret);
155}
156
157PCUT_TEST(getopt_illegal_option)
158{
159 int argc = 2;
160 const char *argv[] = {
161 "get_opt_test",
162 "-p",
163 };
164
165 const char *options = "a";
166
167 int ret;
168 optreset = 1;
169 opterr = 0;
170
171 ret = getopt(argc, (char *const *)argv, options);
172
173 PCUT_ASSERT_INT_EQUALS('?', ret);
174 PCUT_ASSERT_INT_EQUALS('p', optopt);
175 PCUT_ASSERT_INT_EQUALS(2, optind);
176
177 ret = getopt(argc, (char *const *)argv, options);
178 PCUT_ASSERT_INT_EQUALS(-1, ret);
179
180 options = ":a";
181 optreset = 1;
182 ret = getopt(argc, (char *const *)argv, options);
183
184 PCUT_ASSERT_INT_EQUALS(-1, ret);
185 PCUT_ASSERT_INT_EQUALS('p', optopt);
186 PCUT_ASSERT_INT_EQUALS(2, optind);
187
188 ret = getopt(argc, (char *const *)argv, options);
189 PCUT_ASSERT_INT_EQUALS(-1, ret);
190}
191
192PCUT_TEST(getopt_flag_with_param)
193{
194 int argc = 4;
195 const char *argv[] = {
196 "get_opt_test",
197 "-f",
198 "param",
199 "-d"
200 };
201
202 const char *options = "fd";
203
204 int ret;
205 optreset = 1;
206 opterr = 0;
207
208 ret = getopt(argc, (char *const *)argv, options);
209
210 /* getopt() would print a error message but thx to opterror=0 it doesnt */
211 PCUT_ASSERT_INT_EQUALS('f', ret);
212 PCUT_ASSERT_INT_EQUALS(2, optind);
213
214 ret = getopt(argc, (char *const *)argv, options);
215
216 PCUT_ASSERT_INT_EQUALS('d', ret);
217 PCUT_ASSERT_INT_EQUALS(4, optind);
218
219 ret = getopt(argc, (char *const *)argv, options);
220 PCUT_ASSERT_INT_EQUALS(-1, ret);
221}
222
223PCUT_TEST(getopt_case_sensitive)
224{
225 int argc = 3;
226 const char *argv[] = {
227 "get_opt_test",
228 "-F",
229 "-f"
230 };
231
232 const char *options = "fF";
233
234 int ret;
235 optreset = 1;
236 opterr = 0;
237
238 ret = getopt(argc, (char *const *)argv, options);
239
240 PCUT_ASSERT_INT_EQUALS('F', ret);
241 PCUT_ASSERT_INT_EQUALS(2, optind);
242
243 ret = getopt(argc, (char *const *)argv, options);
244
245 PCUT_ASSERT_INT_EQUALS('f', ret);
246 PCUT_ASSERT_INT_EQUALS(3, optind);
247
248 ret = getopt(argc, (char *const *)argv, options);
249 PCUT_ASSERT_INT_EQUALS(-1, ret);
250}
251
252PCUT_TEST(getopt_optional_param)
253{
254 int argc = 4;
255 const char *argv[] = {
256 "get_opt_test",
257 "-f",
[a163d10]258 "-pparam"
[88e7dc5]259 };
260
261 const char *options = "f::p::";
262
263 int ret;
264 optreset = 1;
265 opterr = 0;
266
267 ret = getopt(argc, (char *const *)argv, options);
268
269 PCUT_ASSERT_INT_EQUALS('f', ret);
270 PCUT_ASSERT_INT_EQUALS(2, optind);
271 PCUT_ASSERT_NULL(optarg);
272
273 ret = getopt(argc, (char *const *)argv, options);
274
275 PCUT_ASSERT_INT_EQUALS('p', ret);
276 PCUT_ASSERT_INT_EQUALS(3, optind);
277 PCUT_ASSERT_STR_EQUALS("param", optarg);
278
279 ret = getopt(argc, (char *const *)argv, options);
280 PCUT_ASSERT_INT_EQUALS(-1, ret);
281}
282
283PCUT_TEST(getopt_special_option)
284{
285 int argc = 4;
286 const char *argv[] = {
287 "get_opt_test",
288 "-f",
289 "--",
290 "-p"
291 };
292
293 const char *options = "fp";
294
295 int ret;
296 optreset = 1;
297 opterr = 0;
298
299 ret = getopt(argc, (char *const *)argv, options);
300
301 PCUT_ASSERT_INT_EQUALS('f', ret);
302 PCUT_ASSERT_INT_EQUALS(2, optind);
303
304 ret = getopt(argc, (char *const *)argv, options);
305 PCUT_ASSERT_INT_EQUALS(-1, ret);
306}
307
308PCUT_TEST(getopt_gnu_plus)
309{
310 int argc = 4;
311 const char *argv[] = {
312 "get_opt_test",
313 "-f",
314 "break",
315 "-p"
316 };
317
318 const char *options = "+fp";
319
320 int ret;
321 optreset = 1;
322 opterr = 0;
323
324 ret = getopt(argc, (char *const *)argv, options);
325
326 PCUT_ASSERT_INT_EQUALS('f', ret);
327 PCUT_ASSERT_INT_EQUALS(2, optind);
328
329 ret = getopt(argc, (char *const *)argv, options);
330 PCUT_ASSERT_INT_EQUALS(-1, ret);
331}
332
333PCUT_TEST(getopt_gnu_minus)
334{
335 int argc = 4;
336 const char *argv[] = {
337 "get_opt_test",
338 "-f",
339 "break",
340 "-p"
341 };
342
343 const char *options = "-fp";
344
345 int ret;
346 optreset = 1;
347 opterr = 0;
348
349 ret = getopt(argc, (char *const *)argv, options);
350
351 PCUT_ASSERT_INT_EQUALS('f', ret);
352 PCUT_ASSERT_INT_EQUALS(2, optind);
353
354 ret = getopt(argc, (char *const *)argv, options);
355
356 PCUT_ASSERT_INT_EQUALS(1, ret);
357 PCUT_ASSERT_INT_EQUALS(3, optind);
358 PCUT_ASSERT_STR_EQUALS("break", optarg);
359
360 ret = getopt(argc, (char *const *)argv, options);
361
362 PCUT_ASSERT_INT_EQUALS('p', ret);
363 PCUT_ASSERT_INT_EQUALS(4, optind);
364
365 ret = getopt(argc, (char *const *)argv, options);
366 PCUT_ASSERT_INT_EQUALS(-1, ret);
367}
368
369PCUT_TEST(getopt_long_flag_param)
370{
371 int argc = 4;
372 const char *argv[] = {
373 "get_opt_test",
374 "--flag",
375 "--parameter",
376 "param"
377 };
378
379 const char *options = "fp:";
380
381 const struct option long_options[] = {
382 { "flag", no_argument, NULL, 'f' },
383 { "parameter", required_argument, NULL, 'p' },
384 };
385
386 int ret;
387 int idx;
388 optreset = 1;
389 opterr = 0;
390
391 ret = getopt_long(argc, (char *const *)argv, options, long_options, &idx);
392 PCUT_ASSERT_INT_EQUALS('f', ret);
393 PCUT_ASSERT_INT_EQUALS(2, optind);
394 PCUT_ASSERT_INT_EQUALS(0, idx);
395
396 ret = getopt_long(argc, (char *const *)argv, options, long_options, &idx);
397 PCUT_ASSERT_INT_EQUALS('p', ret);
398 PCUT_ASSERT_INT_EQUALS(4, optind);
399 PCUT_ASSERT_INT_EQUALS(1, idx);
400 PCUT_ASSERT_STR_EQUALS("param", optarg);
401
402 ret = getopt_long(argc, (char *const *)argv, options, long_options, &idx);
403 PCUT_ASSERT_INT_EQUALS(-1, ret);
404}
405
406PCUT_TEST(getopt_long_alt_param)
407{
408 int argc = 3;
409 const char *argv[] = {
410 "get_opt_test",
411 "--flag=\"param param\"",
412 "--parameter=param",
413 };
414
415 const char *options = "f:p:";
416
417 const struct option long_options[] = {
418 { "flag", required_argument, NULL, 'f' },
419 { "parameter", required_argument, NULL, 'p' },
420 { 0, 0, 0, 0 }
421 };
422
423 int ret;
424 int idx;
425 optreset = 1;
426 opterr = 0;
427
428 ret = getopt_long(argc, (char *const *)argv, options, long_options, &idx);
429 PCUT_ASSERT_INT_EQUALS('f', ret);
430 PCUT_ASSERT_INT_EQUALS(2, optind);
431 PCUT_ASSERT_INT_EQUALS(0, idx);
432 PCUT_ASSERT_STR_EQUALS("\"param param\"", optarg);
433
434 ret = getopt_long(argc, (char *const *)argv, options, long_options, &idx);
435 PCUT_ASSERT_INT_EQUALS('p', ret);
436 PCUT_ASSERT_INT_EQUALS(3, optind);
437 PCUT_ASSERT_INT_EQUALS(1, idx);
438 PCUT_ASSERT_STR_EQUALS("param", optarg);
439
440 ret = getopt_long(argc, (char *const *)argv, options, long_options, &idx);
441 PCUT_ASSERT_INT_EQUALS(-1, ret);
442}
443
444PCUT_TEST(getopt_long_optional_param)
445{
446 int argc = 3;
447 const char *argv[] = {
448 "get_opt_test",
449 "--flag=param",
450 "--parameter",
451 };
452
453 const char *options = "f::p::";
454
455 const struct option long_options[] = {
456 { "flag", optional_argument, NULL, 'f' },
457 { "parameter", optional_argument, NULL, 'p' },
458 { 0, 0, 0, 0 }
459 };
460
461 int ret;
462 int idx;
463 optreset = 1;
464 opterr = 0;
465
466 ret = getopt_long(argc, (char *const *)argv, options, long_options, &idx);
467 PCUT_ASSERT_INT_EQUALS('f', ret);
468 PCUT_ASSERT_INT_EQUALS(2, optind);
469 PCUT_ASSERT_INT_EQUALS(0, idx);
470 PCUT_ASSERT_STR_EQUALS("param", optarg);
471
472 ret = getopt_long(argc, (char *const *)argv, options, long_options, &idx);
473 PCUT_ASSERT_INT_EQUALS('p', ret);
474 PCUT_ASSERT_INT_EQUALS(3, optind);
475 PCUT_ASSERT_INT_EQUALS(1, idx);
476 PCUT_ASSERT_NULL(optarg);
477
478 ret = getopt_long(argc, (char *const *)argv, options, long_options, &idx);
479 PCUT_ASSERT_INT_EQUALS(-1, ret);
480}
481
482PCUT_TEST(getopt_long_illegal_option)
483{
484 int argc = 3;
485 const char *argv[] = {
486 "get_opt_test",
487 "--param",
488 "param",
489 };
490
491 const char *options = "f::";
492
493 const struct option long_options[] = {
494 { "cflag", required_argument, NULL, 'c' },
495 { "flag", required_argument, NULL, 'f' },
496 { 0, 0, 0, 0 }
497 };
498
499 int ret;
500 int idx;
501 optreset = 1;
502 opterr = 0;
503
504 ret = getopt_long(argc, (char *const *)argv, options, long_options, &idx);
505 PCUT_ASSERT_INT_EQUALS('?', ret);
506 PCUT_ASSERT_INT_EQUALS(2, optind);
507 PCUT_ASSERT_INT_EQUALS(0, idx);
508 PCUT_ASSERT_INT_EQUALS(0, optopt);
509
510 ret = getopt_long(argc, (char *const *)argv, options, long_options, &idx);
511 PCUT_ASSERT_INT_EQUALS(-1, ret);
512}
513
514PCUT_TEST(getopt_long_ambiguous_param)
515{
516 int argc = 3;
517 const char *argv[] = {
518 "get_opt_test",
519 "--flag",
520 "param",
521 };
522
523 const char *options = "f::";
524
525 const struct option long_options[] = {
526 { "flag1", optional_argument, NULL, 'f' },
527 { "flag2", required_argument, NULL, 'f' },
528 { 0, 0, 0, 0 }
529 };
530
531 int ret;
532 int idx;
533 optreset = 1;
534 opterr = 0;
535
536 ret = getopt_long(argc, (char *const *)argv, options, long_options, &idx);
537 PCUT_ASSERT_INT_EQUALS('?', ret);
538 PCUT_ASSERT_INT_EQUALS(2, optind);
539 PCUT_ASSERT_INT_EQUALS(0, idx);
540 PCUT_ASSERT_INT_EQUALS(0, optopt);
541
542 ret = getopt_long(argc, (char *const *)argv, options, long_options, &idx);
543 PCUT_ASSERT_INT_EQUALS(-1, ret);
544}
545
546PCUT_EXPORT(getopt);
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