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11fdf7f2 TL |
1 | /* SPDX-License-Identifier: BSD-3-Clause |
2 | * Copyright(c) 2010-2014 Intel Corporation | |
7c673cae FG |
3 | */ |
4 | ||
5 | #include <stdio.h> | |
6 | #include <stdlib.h> | |
7 | #include <string.h> | |
8 | ||
9 | #include <rte_string_fns.h> | |
10 | ||
11 | #include <cmdline_cirbuf.h> | |
12 | ||
13 | #include "test_cmdline.h" | |
14 | ||
15 | /* different length strings */ | |
16 | #define CIRBUF_STR_HEAD " HEAD" | |
17 | #define CIRBUF_STR_TAIL "TAIL" | |
18 | ||
11fdf7f2 | 19 | /* miscellaneous tests - they make bullseye happy */ |
7c673cae FG |
20 | static int |
21 | test_cirbuf_string_misc(void) | |
22 | { | |
23 | struct cirbuf cb; | |
24 | char buf[CMDLINE_TEST_BUFSIZE]; | |
25 | char tmp[CMDLINE_TEST_BUFSIZE]; | |
26 | ||
27 | /* initialize buffers */ | |
28 | memset(buf, 0, sizeof(buf)); | |
29 | memset(tmp, 0, sizeof(tmp)); | |
30 | ||
31 | /* | |
32 | * initialize circular buffer | |
33 | */ | |
34 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
35 | printf("Error: failed to initialize circular buffer!\n"); | |
36 | return -1; | |
37 | } | |
38 | ||
39 | /* | |
40 | * add strings to head and tail, but read only tail | |
41 | * this results in read operation that does not transcend | |
42 | * from buffer end to buffer beginning (in other words, | |
43 | * strlen <= cb->maxlen - cb->end) | |
44 | */ | |
45 | ||
46 | /* add string to head */ | |
47 | if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) | |
48 | != (sizeof(CIRBUF_STR_HEAD))) { | |
49 | printf("Error: failed to add string to head!\n"); | |
50 | return -1; | |
51 | } | |
52 | /* add string to tail */ | |
53 | if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) | |
54 | != (sizeof(CIRBUF_STR_TAIL))) { | |
55 | printf("Error: failed to add string to head!\n"); | |
56 | return -1; | |
57 | } | |
58 | /* read string from tail */ | |
59 | if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_TAIL)) | |
60 | != (sizeof(CIRBUF_STR_TAIL))) { | |
61 | printf("Error: failed to get string from tail!\n"); | |
62 | return -1; | |
63 | } | |
64 | /* verify string */ | |
65 | if (strncmp(tmp, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) != 0) { | |
66 | printf("Error: tail strings do not match!\n"); | |
67 | return -1; | |
68 | } | |
69 | /* clear buffers */ | |
70 | memset(tmp, 0, sizeof(tmp)); | |
71 | memset(buf, 0, sizeof(buf)); | |
72 | ||
73 | ||
74 | ||
75 | /* | |
76 | * add a string to buffer when start/end is at end of buffer | |
77 | */ | |
78 | ||
79 | /* | |
80 | * reinitialize circular buffer with start at the end of cirbuf | |
81 | */ | |
82 | if (cirbuf_init(&cb, buf, CMDLINE_TEST_BUFSIZE - 2, sizeof(buf)) < 0) { | |
83 | printf("Error: failed to reinitialize circular buffer!\n"); | |
84 | return -1; | |
85 | } | |
86 | ||
87 | ||
88 | /* add string to tail */ | |
89 | if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) | |
90 | != (sizeof(CIRBUF_STR_TAIL))) { | |
91 | printf("Error: failed to add string to tail!\n"); | |
92 | return -1; | |
93 | } | |
94 | /* read string from tail */ | |
95 | if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_TAIL)) | |
96 | != (sizeof(CIRBUF_STR_TAIL))) { | |
97 | printf("Error: failed to get string from tail!\n"); | |
98 | return -1; | |
99 | } | |
100 | /* verify string */ | |
101 | if (strncmp(tmp, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) != 0) { | |
102 | printf("Error: tail strings do not match!\n"); | |
103 | return -1; | |
104 | } | |
105 | /* clear tmp buffer */ | |
106 | memset(tmp, 0, sizeof(tmp)); | |
107 | ||
108 | ||
109 | /* add string to head */ | |
110 | if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) | |
111 | != (sizeof(CIRBUF_STR_HEAD))) { | |
112 | printf("Error: failed to add string to head!\n"); | |
113 | return -1; | |
114 | } | |
115 | /* read string from tail */ | |
116 | if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_HEAD)) | |
117 | != (sizeof(CIRBUF_STR_HEAD))) { | |
118 | printf("Error: failed to get string from head!\n"); | |
119 | return -1; | |
120 | } | |
121 | /* verify string */ | |
122 | if (strncmp(tmp, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) != 0) { | |
123 | printf("Error: headstrings do not match!\n"); | |
124 | return -1; | |
125 | } | |
126 | ||
127 | return 0; | |
128 | } | |
129 | ||
130 | /* test adding and deleting strings */ | |
131 | static int | |
132 | test_cirbuf_string_add_del(void) | |
133 | { | |
134 | struct cirbuf cb; | |
135 | char buf[CMDLINE_TEST_BUFSIZE]; | |
136 | char tmp[CMDLINE_TEST_BUFSIZE]; | |
137 | ||
138 | /* initialize buffers */ | |
139 | memset(buf, 0, sizeof(buf)); | |
140 | memset(tmp, 0, sizeof(tmp)); | |
141 | ||
142 | /* | |
143 | * initialize circular buffer | |
144 | */ | |
145 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
146 | printf("Error: failed to initialize circular buffer!\n"); | |
147 | return -1; | |
148 | } | |
149 | ||
150 | /* add string to head */ | |
151 | if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) | |
152 | != (sizeof(CIRBUF_STR_HEAD))) { | |
153 | printf("Error: failed to add string to head!\n"); | |
154 | return -1; | |
155 | } | |
156 | /* read string from head */ | |
157 | if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_HEAD)) | |
158 | != (sizeof(CIRBUF_STR_HEAD))) { | |
159 | printf("Error: failed to get string from head!\n"); | |
160 | return -1; | |
161 | } | |
162 | /* verify string */ | |
163 | if (strncmp(tmp, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) != 0) { | |
164 | printf("Error: head strings do not match!\n"); | |
165 | return -1; | |
166 | } | |
167 | /* clear tmp buffer */ | |
168 | memset(tmp, 0, sizeof(tmp)); | |
169 | /* read string from tail */ | |
170 | if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_HEAD)) | |
171 | != (sizeof(CIRBUF_STR_HEAD))) { | |
172 | printf("Error: failed to get string from head!\n"); | |
173 | return -1; | |
174 | } | |
175 | /* verify string */ | |
176 | if (strncmp(tmp, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) != 0) { | |
177 | printf("Error: head strings do not match!\n"); | |
178 | return -1; | |
179 | } | |
180 | /* delete string from head*/ | |
181 | if (cirbuf_del_buf_head(&cb, sizeof(CIRBUF_STR_HEAD)) < 0) { | |
182 | printf("Error: failed to delete string from head!\n"); | |
183 | return -1; | |
184 | } | |
185 | /* verify string was deleted */ | |
186 | if (cirbuf_del_head_safe(&cb) == 0) { | |
187 | printf("Error: buffer should have been empty!\n"); | |
188 | return -1; | |
189 | } | |
190 | /* clear tmp buffer */ | |
191 | memset(tmp, 0, sizeof(tmp)); | |
192 | ||
193 | ||
194 | ||
195 | /* | |
196 | * reinitialize circular buffer | |
197 | */ | |
198 | memset(buf, 0, sizeof(buf)); | |
199 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
200 | printf("Error: failed to reinitialize circular buffer!\n"); | |
201 | return -1; | |
202 | } | |
203 | ||
204 | /* add string to tail */ | |
205 | if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) | |
206 | != (sizeof(CIRBUF_STR_TAIL))) { | |
207 | printf("Error: failed to add string to tail!\n"); | |
208 | return -1; | |
209 | } | |
210 | /* get string from tail */ | |
211 | if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_TAIL)) | |
212 | != (sizeof(CIRBUF_STR_TAIL))) { | |
213 | printf("Error: failed to get string from tail!\n"); | |
214 | return -1; | |
215 | } | |
216 | /* verify string */ | |
217 | if (strncmp(tmp, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) != 0) { | |
218 | printf("Error: tail strings do not match!\n"); | |
219 | return -1; | |
220 | } | |
221 | /* clear tmp buffer */ | |
222 | memset(tmp, 0, sizeof(tmp)); | |
223 | /* get string from head */ | |
224 | if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_TAIL)) | |
225 | != (sizeof(CIRBUF_STR_TAIL))) { | |
226 | printf("Error: failed to get string from tail!\n"); | |
227 | return -1; | |
228 | } | |
229 | /* verify string */ | |
230 | if (strncmp(tmp, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) != 0) { | |
231 | printf("Error: tail strings do not match!\n"); | |
232 | return -1; | |
233 | } | |
234 | /* delete string from tail */ | |
235 | if (cirbuf_del_buf_tail(&cb, sizeof(CIRBUF_STR_TAIL)) < 0) { | |
236 | printf("Error: failed to delete string from tail!\n"); | |
237 | return -1; | |
238 | } | |
239 | /* verify string was deleted */ | |
240 | if (cirbuf_del_tail_safe(&cb) == 0) { | |
241 | printf("Error: buffer should have been empty!\n"); | |
242 | return -1; | |
243 | } | |
244 | ||
245 | return 0; | |
246 | } | |
247 | ||
248 | /* test adding from head and deleting from tail, and vice versa */ | |
249 | static int | |
250 | test_cirbuf_string_add_del_reverse(void) | |
251 | { | |
252 | struct cirbuf cb; | |
253 | char buf[CMDLINE_TEST_BUFSIZE]; | |
254 | char tmp[CMDLINE_TEST_BUFSIZE]; | |
255 | ||
256 | /* initialize buffers */ | |
257 | memset(buf, 0, sizeof(buf)); | |
258 | memset(tmp, 0, sizeof(tmp)); | |
259 | ||
260 | /* | |
261 | * initialize circular buffer | |
262 | */ | |
263 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
264 | printf("Error: failed to initialize circular buffer!\n"); | |
265 | return -1; | |
266 | } | |
267 | ||
268 | /* add string to head */ | |
269 | if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) | |
270 | != (sizeof(CIRBUF_STR_HEAD))) { | |
271 | printf("Error: failed to add string to head!\n"); | |
272 | return -1; | |
273 | } | |
274 | /* delete string from tail */ | |
275 | if (cirbuf_del_buf_tail(&cb, sizeof(CIRBUF_STR_HEAD)) < 0) { | |
276 | printf("Error: failed to delete string from tail!\n"); | |
277 | return -1; | |
278 | } | |
279 | /* verify string was deleted */ | |
280 | if (cirbuf_del_tail_safe(&cb) == 0) { | |
281 | printf("Error: buffer should have been empty!\n"); | |
282 | return -1; | |
283 | } | |
284 | /* clear tmp buffer */ | |
285 | memset(tmp, 0, sizeof(tmp)); | |
286 | ||
287 | /* | |
288 | * reinitialize circular buffer | |
289 | */ | |
290 | memset(buf, 0, sizeof(buf)); | |
291 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
292 | printf("Error: failed to reinitialize circular buffer!\n"); | |
293 | return -1; | |
294 | } | |
295 | ||
296 | /* add string to tail */ | |
297 | if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) | |
298 | != (sizeof(CIRBUF_STR_TAIL))) { | |
299 | printf("Error: failed to add string to tail!\n"); | |
300 | return -1; | |
301 | } | |
302 | /* delete string from head */ | |
303 | if (cirbuf_del_buf_head(&cb, sizeof(CIRBUF_STR_TAIL)) < 0) { | |
304 | printf("Error: failed to delete string from head!\n"); | |
305 | return -1; | |
306 | } | |
307 | /* verify string was deleted */ | |
308 | if (cirbuf_del_head_safe(&cb) == 0) { | |
309 | printf("Error: buffer should have been empty!\n"); | |
310 | return -1; | |
311 | } | |
312 | ||
313 | return 0; | |
314 | } | |
315 | ||
316 | /* try to write more than available */ | |
317 | static int | |
318 | test_cirbuf_string_add_boundaries(void) | |
319 | { | |
320 | struct cirbuf cb; | |
321 | char buf[CMDLINE_TEST_BUFSIZE]; | |
322 | unsigned i; | |
323 | ||
324 | /* initialize buffers */ | |
325 | memset(buf, 0, sizeof(buf)); | |
326 | ||
327 | /* | |
328 | * initialize circular buffer | |
329 | */ | |
330 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
331 | printf("Error: failed to initialize circular buffer!\n"); | |
332 | return -1; | |
333 | } | |
334 | ||
335 | /* fill the buffer from tail */ | |
336 | for (i = 0; i < CMDLINE_TEST_BUFSIZE - sizeof(CIRBUF_STR_TAIL) + 1; i++) | |
337 | cirbuf_add_tail_safe(&cb, 't'); | |
338 | ||
339 | /* try adding a string to tail */ | |
340 | if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) | |
341 | > 0) { | |
342 | printf("Error: buffer should have been full!\n"); | |
343 | return -1; | |
344 | } | |
345 | /* try adding a string to head */ | |
346 | if (cirbuf_add_buf_head(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) | |
347 | > 0) { | |
348 | printf("Error: buffer should have been full!\n"); | |
349 | return -1; | |
350 | } | |
351 | ||
352 | /* | |
353 | * reinitialize circular buffer | |
354 | */ | |
355 | memset(buf, 0, sizeof(buf)); | |
356 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
357 | printf("Error: failed to reinitialize circular buffer!\n"); | |
358 | return -1; | |
359 | } | |
360 | ||
361 | /* fill the buffer from head */ | |
362 | for (i = 0; i < CMDLINE_TEST_BUFSIZE - sizeof(CIRBUF_STR_HEAD) + 1; i++) | |
363 | cirbuf_add_head_safe(&cb, 'h'); | |
364 | ||
365 | /* try adding a string to head */ | |
366 | if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) | |
367 | > 0) { | |
368 | printf("Error: buffer should have been full!\n"); | |
369 | return -1; | |
370 | } | |
371 | /* try adding a string to tail */ | |
372 | if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) | |
373 | > 0) { | |
374 | printf("Error: buffer should have been full!\n"); | |
375 | return -1; | |
376 | } | |
377 | ||
378 | return 0; | |
379 | } | |
380 | ||
381 | /* try to read/delete more than written */ | |
382 | static int | |
383 | test_cirbuf_string_get_del_boundaries(void) | |
384 | { | |
385 | struct cirbuf cb; | |
386 | char buf[CMDLINE_TEST_BUFSIZE]; | |
387 | char tmp[CMDLINE_TEST_BUFSIZE]; | |
388 | ||
389 | /* initialize buffers */ | |
390 | memset(buf, 0, sizeof(buf)); | |
391 | memset(tmp, 0, sizeof(tmp)); | |
392 | ||
393 | /* | |
394 | * initialize circular buffer | |
395 | */ | |
396 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
397 | printf("Error: failed to initialize circular buffer!\n"); | |
398 | return -1; | |
399 | } | |
400 | ||
401 | ||
402 | /* add string to head */ | |
403 | if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) | |
404 | != (sizeof(CIRBUF_STR_HEAD))) { | |
405 | printf("Error: failed to add string to head!\n"); | |
406 | return -1; | |
407 | } | |
408 | /* read more than written (head) */ | |
409 | if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_HEAD) + 1) | |
410 | != sizeof(CIRBUF_STR_HEAD)) { | |
411 | printf("Error: unexpected result when reading too much data!\n"); | |
412 | return -1; | |
413 | } | |
414 | /* read more than written (tail) */ | |
415 | if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_HEAD) + 1) | |
416 | != sizeof(CIRBUF_STR_HEAD)) { | |
417 | printf("Error: unexpected result when reading too much data!\n"); | |
418 | return -1; | |
419 | } | |
420 | /* delete more than written (head) */ | |
421 | if (cirbuf_del_buf_head(&cb, sizeof(CIRBUF_STR_HEAD) + 1) == 0) { | |
422 | printf("Error: unexpected result when deleting too much data!\n"); | |
423 | return -1; | |
424 | } | |
425 | /* delete more than written (tail) */ | |
426 | if (cirbuf_del_buf_tail(&cb, sizeof(CIRBUF_STR_HEAD) + 1) == 0) { | |
427 | printf("Error: unexpected result when deleting too much data!\n"); | |
428 | return -1; | |
429 | } | |
430 | ||
431 | /* | |
432 | * reinitialize circular buffer | |
433 | */ | |
434 | memset(buf, 0, sizeof(buf)); | |
435 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
436 | printf("Error: failed to reinitialize circular buffer!\n"); | |
437 | return -1; | |
438 | } | |
439 | ||
440 | /* add string to tail */ | |
441 | if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) | |
442 | != (sizeof(CIRBUF_STR_TAIL))) { | |
443 | printf("Error: failed to add string to tail!\n"); | |
444 | return -1; | |
445 | } | |
446 | /* read more than written (tail) */ | |
447 | if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_TAIL) + 1) | |
448 | != sizeof(CIRBUF_STR_TAIL)) { | |
449 | printf("Error: unexpected result when reading too much data!\n"); | |
450 | return -1; | |
451 | } | |
452 | /* read more than written (head) */ | |
453 | if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_TAIL) + 1) | |
454 | != sizeof(CIRBUF_STR_TAIL)) { | |
455 | printf("Error: unexpected result when reading too much data!\n"); | |
456 | return -1; | |
457 | } | |
458 | /* delete more than written (tail) */ | |
459 | if (cirbuf_del_buf_tail(&cb, sizeof(CIRBUF_STR_TAIL) + 1) == 0) { | |
460 | printf("Error: unexpected result when deleting too much data!\n"); | |
461 | return -1; | |
462 | } | |
463 | /* delete more than written (head) */ | |
464 | if (cirbuf_del_buf_tail(&cb, sizeof(CIRBUF_STR_TAIL) + 1) == 0) { | |
465 | printf("Error: unexpected result when deleting too much data!\n"); | |
466 | return -1; | |
467 | } | |
468 | ||
469 | return 0; | |
470 | } | |
471 | ||
472 | /* try to read/delete less than written */ | |
473 | static int | |
474 | test_cirbuf_string_get_del_partial(void) | |
475 | { | |
476 | struct cirbuf cb; | |
477 | char buf[CMDLINE_TEST_BUFSIZE]; | |
478 | char tmp[CMDLINE_TEST_BUFSIZE]; | |
479 | char tmp2[CMDLINE_TEST_BUFSIZE]; | |
480 | ||
481 | /* initialize buffers */ | |
482 | memset(buf, 0, sizeof(buf)); | |
483 | memset(tmp, 0, sizeof(tmp)); | |
484 | memset(tmp2, 0, sizeof(tmp)); | |
485 | ||
11fdf7f2 | 486 | strlcpy(tmp2, CIRBUF_STR_HEAD, sizeof(tmp2)); |
7c673cae FG |
487 | |
488 | /* | |
489 | * initialize circular buffer | |
490 | */ | |
491 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
492 | printf("Error: failed to initialize circular buffer!\n"); | |
493 | return -1; | |
494 | } | |
495 | ||
496 | /* add string to head */ | |
497 | if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) | |
498 | != (sizeof(CIRBUF_STR_HEAD))) { | |
499 | printf("Error: failed to add string to head!\n"); | |
500 | return -1; | |
501 | } | |
502 | /* read less than written (head) */ | |
503 | if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_HEAD) - 1) | |
504 | != sizeof(CIRBUF_STR_HEAD) - 1) { | |
505 | printf("Error: unexpected result when reading from head!\n"); | |
506 | return -1; | |
507 | } | |
508 | /* verify string */ | |
509 | if (strncmp(tmp, tmp2, sizeof(CIRBUF_STR_HEAD) - 1) != 0) { | |
510 | printf("Error: strings mismatch!\n"); | |
511 | return -1; | |
512 | } | |
513 | memset(tmp, 0, sizeof(tmp)); | |
514 | /* read less than written (tail) */ | |
515 | if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_HEAD) - 1) | |
516 | != sizeof(CIRBUF_STR_HEAD) - 1) { | |
517 | printf("Error: unexpected result when reading from tail!\n"); | |
518 | return -1; | |
519 | } | |
520 | /* verify string */ | |
521 | if (strncmp(tmp, &tmp2[1], sizeof(CIRBUF_STR_HEAD) - 1) != 0) { | |
522 | printf("Error: strings mismatch!\n"); | |
523 | return -1; | |
524 | } | |
525 | ||
526 | /* | |
527 | * verify correct deletion | |
528 | */ | |
529 | ||
530 | /* clear buffer */ | |
531 | memset(tmp, 0, sizeof(tmp)); | |
532 | ||
533 | /* delete less than written (head) */ | |
534 | if (cirbuf_del_buf_head(&cb, 1) != 0) { | |
535 | printf("Error: delete from head failed!\n"); | |
536 | return -1; | |
537 | } | |
538 | /* read from head */ | |
539 | if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_HEAD) - 1) | |
540 | != sizeof(CIRBUF_STR_HEAD) - 1) { | |
541 | printf("Error: unexpected result when reading from head!\n"); | |
542 | return -1; | |
543 | } | |
544 | /* since we deleted from head, first char should be deleted */ | |
545 | if (strncmp(tmp, &tmp2[1], sizeof(CIRBUF_STR_HEAD) - 1) != 0) { | |
546 | printf("Error: strings mismatch!\n"); | |
547 | return -1; | |
548 | } | |
549 | /* clear buffer */ | |
550 | memset(tmp, 0, sizeof(tmp)); | |
551 | ||
552 | /* delete less than written (tail) */ | |
553 | if (cirbuf_del_buf_tail(&cb, 1) != 0) { | |
554 | printf("Error: delete from tail failed!\n"); | |
555 | return -1; | |
556 | } | |
557 | /* read from tail */ | |
558 | if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_HEAD) - 2) | |
559 | != sizeof(CIRBUF_STR_HEAD) - 2) { | |
560 | printf("Error: unexpected result when reading from head!\n"); | |
561 | return -1; | |
562 | } | |
563 | /* since we deleted from tail, last char should be deleted */ | |
564 | if (strncmp(tmp, &tmp2[1], sizeof(CIRBUF_STR_HEAD) - 2) != 0) { | |
565 | printf("Error: strings mismatch!\n"); | |
566 | return -1; | |
567 | } | |
568 | ||
569 | return 0; | |
570 | } | |
571 | ||
572 | /* test cmdline_cirbuf char add/del functions */ | |
573 | static int | |
574 | test_cirbuf_char_add_del(void) | |
575 | { | |
576 | struct cirbuf cb; | |
577 | char buf[CMDLINE_TEST_BUFSIZE]; | |
578 | char tmp[CMDLINE_TEST_BUFSIZE]; | |
579 | ||
580 | /* clear buffer */ | |
581 | memset(buf, 0, sizeof(buf)); | |
582 | memset(tmp, 0, sizeof(tmp)); | |
583 | ||
584 | /* | |
585 | * initialize circular buffer | |
586 | */ | |
587 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
588 | printf("Error: failed to initialize circular buffer!\n"); | |
589 | return -1; | |
590 | } | |
591 | ||
592 | /* | |
593 | * try to delete something from cirbuf. since it's empty, | |
594 | * these should fail. | |
595 | */ | |
596 | if (cirbuf_del_head_safe(&cb) == 0) { | |
597 | printf("Error: deleting from empty cirbuf head succeeded!\n"); | |
598 | return -1; | |
599 | } | |
600 | if (cirbuf_del_tail_safe(&cb) == 0) { | |
601 | printf("Error: deleting from empty cirbuf tail succeeded!\n"); | |
602 | return -1; | |
603 | } | |
604 | ||
605 | /* | |
606 | * add, verify and delete. these should pass. | |
607 | */ | |
608 | if (cirbuf_add_head_safe(&cb,'h') < 0) { | |
609 | printf("Error: adding to cirbuf head failed!\n"); | |
610 | return -1; | |
611 | } | |
612 | if (cirbuf_get_head(&cb) != 'h') { | |
613 | printf("Error: wrong head content!\n"); | |
614 | return -1; | |
615 | } | |
616 | if (cirbuf_del_head_safe(&cb) < 0) { | |
617 | printf("Error: deleting from cirbuf head failed!\n"); | |
618 | return -1; | |
619 | } | |
620 | if (cirbuf_add_tail_safe(&cb,'t') < 0) { | |
621 | printf("Error: adding to cirbuf tail failed!\n"); | |
622 | return -1; | |
623 | } | |
624 | if (cirbuf_get_tail(&cb) != 't') { | |
625 | printf("Error: wrong tail content!\n"); | |
626 | return -1; | |
627 | } | |
628 | if (cirbuf_del_tail_safe(&cb) < 0) { | |
629 | printf("Error: deleting from cirbuf tail failed!\n"); | |
630 | return -1; | |
631 | } | |
632 | /* do the same for unsafe versions. those are void. */ | |
633 | cirbuf_add_head(&cb,'h'); | |
634 | if (cirbuf_get_head(&cb) != 'h') { | |
635 | printf("Error: wrong head content!\n"); | |
636 | return -1; | |
637 | } | |
638 | cirbuf_del_head(&cb); | |
639 | ||
640 | /* test if char has been deleted. we can't call cirbuf_get_head | |
641 | * because it's unsafe, but we can call cirbuf_get_buf_head. | |
642 | */ | |
643 | if (cirbuf_get_buf_head(&cb, tmp, 1) > 0) { | |
644 | printf("Error: buffer should have been empty!\n"); | |
645 | return -1; | |
646 | } | |
647 | ||
648 | cirbuf_add_tail(&cb,'t'); | |
649 | if (cirbuf_get_tail(&cb) != 't') { | |
650 | printf("Error: wrong tail content!\n"); | |
651 | return -1; | |
652 | } | |
653 | cirbuf_del_tail(&cb); | |
654 | ||
655 | /* test if char has been deleted. we can't call cirbuf_get_tail | |
656 | * because it's unsafe, but we can call cirbuf_get_buf_tail. | |
657 | */ | |
658 | if (cirbuf_get_buf_tail(&cb, tmp, 1) > 0) { | |
659 | printf("Error: buffer should have been empty!\n"); | |
660 | return -1; | |
661 | } | |
662 | ||
663 | return 0; | |
664 | } | |
665 | ||
666 | /* test filling up buffer with chars */ | |
667 | static int | |
668 | test_cirbuf_char_fill(void) | |
669 | { | |
670 | struct cirbuf cb; | |
671 | char buf[CMDLINE_TEST_BUFSIZE]; | |
672 | unsigned i; | |
673 | ||
674 | /* clear buffer */ | |
675 | memset(buf, 0, sizeof(buf)); | |
676 | ||
677 | /* | |
678 | * initialize circular buffer | |
679 | */ | |
680 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
681 | printf("Error: failed to initialize circular buffer!\n"); | |
682 | return -1; | |
683 | } | |
684 | ||
685 | /* | |
686 | * fill the buffer from head or tail, verify contents, test boundaries | |
687 | * and clear the buffer | |
688 | */ | |
689 | ||
690 | /* fill the buffer from tail */ | |
691 | for (i = 0; i < CMDLINE_TEST_BUFSIZE; i++) | |
692 | cirbuf_add_tail_safe(&cb, 't'); | |
693 | /* verify that contents of the buffer are what they are supposed to be */ | |
694 | for (i = 0; i < sizeof(buf); i++) { | |
695 | if (buf[i] != 't') { | |
696 | printf("Error: wrong content in buffer!\n"); | |
697 | return -1; | |
698 | } | |
699 | } | |
700 | /* try to add to a full buffer from tail */ | |
701 | if (cirbuf_add_tail_safe(&cb, 't') == 0) { | |
702 | printf("Error: buffer should have been full!\n"); | |
703 | return -1; | |
704 | } | |
705 | /* try to add to a full buffer from head */ | |
706 | if (cirbuf_add_head_safe(&cb, 'h') == 0) { | |
707 | printf("Error: buffer should have been full!\n"); | |
708 | return -1; | |
709 | } | |
710 | /* delete buffer from tail */ | |
711 | for(i = 0; i < CMDLINE_TEST_BUFSIZE; i++) | |
712 | cirbuf_del_tail_safe(&cb); | |
713 | /* try to delete from an empty buffer */ | |
714 | if (cirbuf_del_tail_safe(&cb) >= 0) { | |
715 | printf("Error: buffer should have been empty!\n"); | |
716 | return -1; | |
717 | } | |
718 | ||
719 | /* fill the buffer from head */ | |
720 | for (i = 0; i < CMDLINE_TEST_BUFSIZE; i++) | |
721 | cirbuf_add_head_safe(&cb, 'h'); | |
722 | /* verify that contents of the buffer are what they are supposed to be */ | |
723 | for (i = 0; i < sizeof(buf); i++) { | |
724 | if (buf[i] != 'h') { | |
725 | printf("Error: wrong content in buffer!\n"); | |
726 | return -1; | |
727 | } | |
728 | } | |
729 | /* try to add to a full buffer from head */ | |
730 | if (cirbuf_add_head_safe(&cb,'h') >= 0) { | |
731 | printf("Error: buffer should have been full!\n"); | |
732 | return -1; | |
733 | } | |
734 | /* try to add to a full buffer from tail */ | |
735 | if (cirbuf_add_tail_safe(&cb, 't') == 0) { | |
736 | printf("Error: buffer should have been full!\n"); | |
737 | return -1; | |
738 | } | |
739 | /* delete buffer from head */ | |
740 | for(i = 0; i < CMDLINE_TEST_BUFSIZE; i++) | |
741 | cirbuf_del_head_safe(&cb); | |
742 | /* try to delete from an empty buffer */ | |
743 | if (cirbuf_del_head_safe(&cb) >= 0) { | |
744 | printf("Error: buffer should have been empty!\n"); | |
745 | return -1; | |
746 | } | |
747 | ||
748 | /* | |
749 | * fill the buffer from both head and tail, with alternating characters, | |
750 | * verify contents and clear the buffer | |
751 | */ | |
752 | ||
753 | /* fill half of buffer from tail */ | |
754 | for (i = 0; i < CMDLINE_TEST_BUFSIZE / 2; i++) | |
755 | cirbuf_add_tail_safe(&cb, (char) (i % 2 ? 't' : 'T')); | |
756 | /* fill other half of the buffer from head */ | |
757 | for (i = 0; i < CMDLINE_TEST_BUFSIZE / 2; i++) | |
758 | cirbuf_add_head_safe(&cb, (char) (i % 2 ? 'H' : 'h')); /* added in reverse */ | |
759 | ||
760 | /* verify that contents of the buffer are what they are supposed to be */ | |
761 | for (i = 0; i < sizeof(buf) / 2; i++) { | |
762 | if (buf[i] != (char) (i % 2 ? 't' : 'T')) { | |
763 | printf("Error: wrong content in buffer at %u!\n", i); | |
764 | return -1; | |
765 | } | |
766 | } | |
767 | for (i = sizeof(buf) / 2; i < sizeof(buf); i++) { | |
768 | if (buf[i] != (char) (i % 2 ? 'h' : 'H')) { | |
769 | printf("Error: wrong content in buffer %u!\n", i); | |
770 | return -1; | |
771 | } | |
772 | } | |
773 | ||
774 | return 0; | |
775 | } | |
776 | ||
777 | /* test left alignment */ | |
778 | static int | |
779 | test_cirbuf_align_left(void) | |
780 | { | |
781 | #define HALF_OFFSET CMDLINE_TEST_BUFSIZE / 2 | |
782 | #define SMALL_OFFSET HALF_OFFSET / 2 | |
783 | /* resulting buffer lengths for each of the test cases */ | |
784 | #define LEN1 HALF_OFFSET - SMALL_OFFSET - 1 | |
785 | #define LEN2 HALF_OFFSET + SMALL_OFFSET + 2 | |
786 | #define LEN3 HALF_OFFSET - SMALL_OFFSET | |
787 | #define LEN4 HALF_OFFSET + SMALL_OFFSET - 1 | |
788 | ||
789 | struct cirbuf cb; | |
790 | char buf[CMDLINE_TEST_BUFSIZE]; | |
791 | char tmp[CMDLINE_TEST_BUFSIZE]; | |
792 | unsigned i; | |
793 | ||
794 | /* | |
795 | * align left when start < end and start in left half | |
796 | */ | |
797 | ||
798 | /* | |
799 | * initialize circular buffer | |
800 | */ | |
801 | memset(buf, 0, sizeof(buf)); | |
802 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
803 | printf("Error: failed to initialize circular buffer!\n"); | |
804 | return -1; | |
805 | } | |
806 | ||
807 | /* push end into left half */ | |
808 | for (i = 0; i < HALF_OFFSET - 1; i++) | |
809 | cirbuf_add_tail_safe(&cb, 't'); | |
810 | ||
811 | /* push start into left half < end */ | |
812 | for (i = 0; i < SMALL_OFFSET; i++) | |
813 | cirbuf_del_head_safe(&cb); | |
814 | ||
815 | /* align */ | |
816 | if (cirbuf_align_left(&cb) < 0) { | |
817 | printf("Error: alignment failed!\n"); | |
818 | return -1; | |
819 | } | |
820 | ||
821 | /* verify result */ | |
822 | if (cb.start != 0 || cb.len != LEN1 || cb.end != cb.len - 1) { | |
823 | printf("Error: buffer alignment is wrong!\n"); | |
824 | return -1; | |
825 | } | |
826 | ||
827 | /* | |
828 | * align left when start > end and start in left half | |
829 | */ | |
830 | ||
831 | /* | |
832 | * reinitialize circular buffer | |
833 | */ | |
834 | memset(buf, 0, sizeof(buf)); | |
835 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
836 | printf("Error: failed to reinitialize circular buffer!\n"); | |
837 | return -1; | |
838 | } | |
839 | ||
840 | /* push start into left half */ | |
841 | for (i = 0; i < HALF_OFFSET + 2; i++) | |
842 | cirbuf_add_head_safe(&cb, 'h'); | |
843 | ||
844 | /* push end into left half > start */ | |
845 | for (i = 0; i < SMALL_OFFSET; i++) | |
846 | cirbuf_add_tail_safe(&cb, 't'); | |
847 | ||
848 | /* align */ | |
849 | if (cirbuf_align_left(&cb) < 0) { | |
850 | printf("Error: alignment failed!\n"); | |
851 | return -1; | |
852 | } | |
853 | ||
854 | /* verify result */ | |
855 | if (cb.start != 0 || cb.len != LEN2 || cb.end != cb.len - 1) { | |
856 | printf("Error: buffer alignment is wrong!"); | |
857 | return -1; | |
858 | } | |
859 | ||
860 | /* | |
861 | * align left when start < end and start in right half | |
862 | */ | |
863 | ||
864 | /* | |
865 | * reinitialize circular buffer | |
866 | */ | |
867 | memset(buf, 0, sizeof(buf)); | |
868 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
869 | printf("Error: failed to reinitialize circular buffer!\n"); | |
870 | return -1; | |
871 | } | |
872 | ||
873 | /* push start into the right half */ | |
874 | for (i = 0; i < HALF_OFFSET; i++) | |
875 | cirbuf_add_head_safe(&cb, 'h'); | |
876 | ||
877 | /* push end into left half > start */ | |
878 | for (i = 0; i < SMALL_OFFSET; i++) | |
879 | cirbuf_del_tail_safe(&cb); | |
880 | ||
881 | /* align */ | |
882 | if (cirbuf_align_left(&cb) < 0) { | |
883 | printf("Error: alignment failed!\n"); | |
884 | return -1; | |
885 | } | |
886 | ||
887 | /* verify result */ | |
888 | if (cb.start != 0 || cb.len != LEN3 || cb.end != cb.len - 1) { | |
889 | printf("Error: buffer alignment is wrong!"); | |
890 | return -1; | |
891 | } | |
892 | ||
893 | /* | |
894 | * align left when start > end and start in right half | |
895 | */ | |
896 | ||
897 | /* | |
898 | * reinitialize circular buffer | |
899 | */ | |
900 | memset(buf, 0, sizeof(buf)); | |
901 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
902 | printf("Error: failed to reinitialize circular buffer!\n"); | |
903 | return -1; | |
904 | } | |
905 | ||
906 | /* push start into the right half */ | |
907 | for (i = 0; i < HALF_OFFSET - 1; i++) | |
908 | cirbuf_add_head_safe(&cb, 'h'); | |
909 | ||
910 | /* push end into left half < start */ | |
911 | for (i = 0; i < SMALL_OFFSET; i++) | |
912 | cirbuf_add_tail_safe(&cb, 't'); | |
913 | ||
914 | /* align */ | |
915 | if (cirbuf_align_left(&cb) < 0) { | |
916 | printf("Error: alignment failed!\n"); | |
917 | return -1; | |
918 | } | |
919 | ||
920 | /* verify result */ | |
921 | if (cb.start != 0 || cb.len != LEN4 || | |
922 | cb.end != cb.len - 1) { | |
923 | printf("Error: buffer alignment is wrong!"); | |
924 | return -1; | |
925 | } | |
926 | ||
927 | /* | |
928 | * Verify that alignment doesn't corrupt data | |
929 | */ | |
930 | ||
931 | /* | |
932 | * reinitialize circular buffer | |
933 | */ | |
934 | memset(buf, 0, sizeof(buf)); | |
935 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
936 | printf("Error: failed to reinitialize circular buffer!\n"); | |
937 | return -1; | |
938 | } | |
939 | ||
940 | /* add string to tail and head */ | |
941 | if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, | |
942 | sizeof(CIRBUF_STR_HEAD)) < 0 || cirbuf_add_buf_tail(&cb, | |
943 | CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) < 0) { | |
944 | printf("Error: failed to add strings!\n"); | |
945 | return -1; | |
946 | } | |
947 | ||
948 | /* align */ | |
949 | if (cirbuf_align_left(&cb) < 0) { | |
950 | printf("Error: alignment failed!\n"); | |
951 | return -1; | |
952 | } | |
953 | ||
954 | /* get string from head */ | |
955 | if (cirbuf_get_buf_head(&cb, tmp, | |
956 | sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) < 0) { | |
957 | printf("Error: failed to read string from head!\n"); | |
958 | return -1; | |
959 | } | |
960 | ||
961 | /* verify string */ | |
962 | if (strncmp(tmp, CIRBUF_STR_HEAD "\0" CIRBUF_STR_TAIL, | |
963 | sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) != 0) { | |
964 | printf("Error: strings mismatch!\n"); | |
965 | return -1; | |
966 | } | |
967 | ||
968 | /* reset tmp buffer */ | |
969 | memset(tmp, 0, sizeof(tmp)); | |
970 | ||
971 | /* get string from tail */ | |
972 | if (cirbuf_get_buf_tail(&cb, tmp, | |
973 | sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) < 0) { | |
974 | printf("Error: failed to read string from head!\n"); | |
975 | return -1; | |
976 | } | |
977 | ||
978 | /* verify string */ | |
979 | if (strncmp(tmp, CIRBUF_STR_HEAD "\0" CIRBUF_STR_TAIL, | |
980 | sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) != 0) { | |
981 | printf("Error: strings mismatch!\n"); | |
982 | return -1; | |
983 | } | |
984 | ||
985 | return 0; | |
986 | } | |
987 | ||
988 | /* test right alignment */ | |
989 | static int | |
990 | test_cirbuf_align_right(void) | |
991 | { | |
992 | #define END_OFFSET CMDLINE_TEST_BUFSIZE - 1 | |
993 | struct cirbuf cb; | |
994 | char buf[CMDLINE_TEST_BUFSIZE]; | |
995 | char tmp[CMDLINE_TEST_BUFSIZE]; | |
996 | unsigned i; | |
997 | ||
998 | ||
999 | /* | |
1000 | * align right when start < end and start in left half | |
1001 | */ | |
1002 | ||
1003 | /* | |
1004 | * initialize circular buffer | |
1005 | */ | |
1006 | memset(buf, 0, sizeof(buf)); | |
1007 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
1008 | printf("Error: failed to initialize circular buffer!\n"); | |
1009 | return -1; | |
1010 | } | |
1011 | ||
1012 | /* push end into left half */ | |
1013 | for (i = 0; i < HALF_OFFSET - 1; i++) | |
1014 | cirbuf_add_tail_safe(&cb, 't'); | |
1015 | ||
1016 | /* push start into left half < end */ | |
1017 | for (i = 0; i < SMALL_OFFSET; i++) | |
1018 | cirbuf_del_head_safe(&cb); | |
1019 | ||
1020 | /* align */ | |
1021 | cirbuf_align_right(&cb); | |
1022 | ||
1023 | /* verify result */ | |
1024 | if (cb.start != END_OFFSET || cb.len != LEN1 || cb.end != cb.len - 2) { | |
1025 | printf("Error: buffer alignment is wrong!\n"); | |
1026 | return -1; | |
1027 | } | |
1028 | ||
1029 | /* | |
1030 | * align right when start > end and start in left half | |
1031 | */ | |
1032 | ||
1033 | /* | |
1034 | * reinitialize circular buffer | |
1035 | */ | |
1036 | memset(buf, 0, sizeof(buf)); | |
1037 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
1038 | printf("Error: failed to reinitialize circular buffer!\n"); | |
1039 | return -1; | |
1040 | } | |
1041 | ||
1042 | /* push start into left half */ | |
1043 | for (i = 0; i < HALF_OFFSET + 2; i++) | |
1044 | cirbuf_add_head_safe(&cb, 'h'); | |
1045 | ||
1046 | /* push end into left half > start */ | |
1047 | for (i = 0; i < SMALL_OFFSET; i++) | |
1048 | cirbuf_add_tail_safe(&cb, 't'); | |
1049 | ||
1050 | /* align */ | |
1051 | cirbuf_align_right(&cb); | |
1052 | ||
1053 | /* verify result */ | |
1054 | if (cb.start != END_OFFSET || cb.len != LEN2 || cb.end != cb.len - 2) { | |
1055 | printf("Error: buffer alignment is wrong!"); | |
1056 | return -1; | |
1057 | } | |
1058 | ||
1059 | /* | |
1060 | * align right when start < end and start in right half | |
1061 | */ | |
1062 | ||
1063 | /* | |
1064 | * reinitialize circular buffer | |
1065 | */ | |
1066 | memset(buf, 0, sizeof(buf)); | |
1067 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
1068 | printf("Error: failed to reinitialize circular buffer!\n"); | |
1069 | return -1; | |
1070 | } | |
1071 | ||
1072 | /* push start into the right half */ | |
1073 | for (i = 0; i < HALF_OFFSET; i++) | |
1074 | cirbuf_add_head_safe(&cb, 'h'); | |
1075 | ||
1076 | /* push end into left half > start */ | |
1077 | for (i = 0; i < SMALL_OFFSET; i++) | |
1078 | cirbuf_del_tail_safe(&cb); | |
1079 | ||
1080 | /* align */ | |
1081 | cirbuf_align_right(&cb); | |
1082 | ||
1083 | /* verify result */ | |
1084 | if (cb.end != END_OFFSET || cb.len != LEN3 || cb.start != cb.end - cb.len + 1) { | |
1085 | printf("Error: buffer alignment is wrong!"); | |
1086 | return -1; | |
1087 | } | |
1088 | ||
1089 | /* | |
1090 | * align right when start > end and start in right half | |
1091 | */ | |
1092 | ||
1093 | /* | |
1094 | * reinitialize circular buffer | |
1095 | */ | |
1096 | memset(buf, 0, sizeof(buf)); | |
1097 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
1098 | printf("Error: failed to reinitialize circular buffer!\n"); | |
1099 | return -1; | |
1100 | } | |
1101 | ||
1102 | /* push start into the right half */ | |
1103 | for (i = 0; i < HALF_OFFSET - 1; i++) | |
1104 | cirbuf_add_head_safe(&cb, 'h'); | |
1105 | ||
1106 | /* push end into left half < start */ | |
1107 | for (i = 0; i < SMALL_OFFSET; i++) | |
1108 | cirbuf_add_tail_safe(&cb, 't'); | |
1109 | ||
1110 | /* align */ | |
1111 | cirbuf_align_right(&cb); | |
1112 | ||
1113 | /* verify result */ | |
1114 | if (cb.end != END_OFFSET || cb.len != LEN4 || cb.start != cb.end - cb.len + 1) { | |
1115 | printf("Error: buffer alignment is wrong!"); | |
1116 | return -1; | |
1117 | } | |
1118 | ||
1119 | /* | |
1120 | * Verify that alignment doesn't corrupt data | |
1121 | */ | |
1122 | ||
1123 | /* | |
1124 | * reinitialize circular buffer | |
1125 | */ | |
1126 | memset(buf, 0, sizeof(buf)); | |
1127 | if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) { | |
1128 | printf("Error: failed to reinitialize circular buffer!\n"); | |
1129 | return -1; | |
1130 | } | |
1131 | ||
1132 | /* add string to tail and head */ | |
1133 | if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, | |
1134 | sizeof(CIRBUF_STR_TAIL)) < 0 || cirbuf_add_buf_head(&cb, | |
1135 | CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) < 0) { | |
1136 | printf("Error: failed to add strings!\n"); | |
1137 | return -1; | |
1138 | } | |
1139 | ||
1140 | /* align */ | |
1141 | if (cirbuf_align_right(&cb) < 0) { | |
1142 | printf("Error: alignment failed!\n"); | |
1143 | return -1; | |
1144 | } | |
1145 | ||
1146 | /* get string from head */ | |
1147 | if (cirbuf_get_buf_head(&cb, tmp, | |
1148 | sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) < 0) { | |
1149 | printf("Error: failed to read string from head!\n"); | |
1150 | return -1; | |
1151 | } | |
1152 | ||
1153 | /* verify string */ | |
1154 | if (strncmp(tmp, CIRBUF_STR_HEAD "\0" CIRBUF_STR_TAIL, | |
1155 | sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) != 0) { | |
1156 | printf("Error: strings mismatch!\n"); | |
1157 | return -1; | |
1158 | } | |
1159 | ||
1160 | /* reset tmp buffer */ | |
1161 | memset(tmp, 0, sizeof(tmp)); | |
1162 | ||
1163 | /* get string from tail */ | |
1164 | if (cirbuf_get_buf_tail(&cb, tmp, | |
1165 | sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) < 0) { | |
1166 | printf("Error: failed to read string from head!\n"); | |
1167 | return -1; | |
1168 | } | |
1169 | /* verify string */ | |
1170 | if (strncmp(tmp, CIRBUF_STR_HEAD "\0" CIRBUF_STR_TAIL, | |
1171 | sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) != 0) { | |
1172 | printf("Error: strings mismatch!\n"); | |
1173 | return -1; | |
1174 | } | |
1175 | ||
1176 | return 0; | |
1177 | } | |
1178 | ||
1179 | /* call functions with invalid parameters */ | |
1180 | int | |
1181 | test_cirbuf_invalid_param(void) | |
1182 | { | |
1183 | struct cirbuf cb; | |
1184 | char buf[CMDLINE_TEST_BUFSIZE]; | |
1185 | ||
1186 | /* null cirbuf */ | |
1187 | if (cirbuf_init(0, buf, 0, sizeof(buf)) == 0) | |
1188 | return -1; | |
1189 | /* null buffer */ | |
1190 | if (cirbuf_init(&cb, 0, 0, sizeof(buf)) == 0) | |
1191 | return -1; | |
1192 | /* null cirbuf */ | |
1193 | if (cirbuf_add_head_safe(0, 'h') == 0) | |
1194 | return -1; | |
1195 | if (cirbuf_add_tail_safe(0, 't') == 0) | |
1196 | return -1; | |
1197 | if (cirbuf_del_head_safe(0) == 0) | |
1198 | return -1; | |
1199 | if (cirbuf_del_tail_safe(0) == 0) | |
1200 | return -1; | |
1201 | /* null buffer */ | |
1202 | if (cirbuf_add_buf_head(&cb, 0, 0) == 0) | |
1203 | return -1; | |
1204 | if (cirbuf_add_buf_tail(&cb, 0, 0) == 0) | |
1205 | return -1; | |
1206 | /* null cirbuf */ | |
1207 | if (cirbuf_add_buf_head(0, buf, 0) == 0) | |
1208 | return -1; | |
1209 | if (cirbuf_add_buf_tail(0, buf, 0) == 0) | |
1210 | return -1; | |
1211 | /* null size */ | |
1212 | if (cirbuf_add_buf_head(&cb, buf, 0) == 0) | |
1213 | return -1; | |
1214 | if (cirbuf_add_buf_tail(&cb, buf, 0) == 0) | |
1215 | return -1; | |
1216 | /* null cirbuf */ | |
1217 | if (cirbuf_del_buf_head(0, 0) == 0) | |
1218 | return -1; | |
1219 | if (cirbuf_del_buf_tail(0, 0) == 0) | |
1220 | return -1; | |
1221 | /* null size */ | |
1222 | if (cirbuf_del_buf_head(&cb, 0) == 0) | |
1223 | return -1; | |
1224 | if (cirbuf_del_buf_tail(&cb, 0) == 0) | |
1225 | return -1; | |
1226 | /* null cirbuf */ | |
1227 | if (cirbuf_get_buf_head(0, 0, 0) == 0) | |
1228 | return -1; | |
1229 | if (cirbuf_get_buf_tail(0, 0, 0) == 0) | |
1230 | return -1; | |
1231 | /* null buffer */ | |
1232 | if (cirbuf_get_buf_head(&cb, 0, 0) == 0) | |
1233 | return -1; | |
1234 | if (cirbuf_get_buf_tail(&cb, 0, 0) == 0) | |
1235 | return -1; | |
1236 | /* null size, this is valid but should return 0 */ | |
1237 | if (cirbuf_get_buf_head(&cb, buf, 0) != 0) | |
1238 | return -1; | |
1239 | if (cirbuf_get_buf_tail(&cb, buf, 0) != 0) | |
1240 | return -1; | |
1241 | /* null cirbuf */ | |
1242 | if (cirbuf_align_left(0) == 0) | |
1243 | return -1; | |
1244 | if (cirbuf_align_right(0) == 0) | |
1245 | return -1; | |
1246 | ||
1247 | return 0; | |
1248 | } | |
1249 | ||
1250 | /* test cmdline_cirbuf char functions */ | |
1251 | int | |
1252 | test_cirbuf_char(void) | |
1253 | { | |
1254 | int ret; | |
1255 | ||
1256 | ret = test_cirbuf_char_add_del(); | |
1257 | if (ret < 0) | |
1258 | return -1; | |
1259 | ||
1260 | ret = test_cirbuf_char_fill(); | |
1261 | if (ret < 0) | |
1262 | return -1; | |
1263 | ||
1264 | return 0; | |
1265 | } | |
1266 | ||
1267 | /* test cmdline_cirbuf string functions */ | |
1268 | int | |
1269 | test_cirbuf_string(void) | |
1270 | { | |
1271 | if (test_cirbuf_string_add_del() < 0) | |
1272 | return -1; | |
1273 | ||
1274 | if (test_cirbuf_string_add_del_reverse() < 0) | |
1275 | return -1; | |
1276 | ||
1277 | if (test_cirbuf_string_add_boundaries() < 0) | |
1278 | return -1; | |
1279 | ||
1280 | if (test_cirbuf_string_get_del_boundaries() < 0) | |
1281 | return -1; | |
1282 | ||
1283 | if (test_cirbuf_string_get_del_partial() < 0) | |
1284 | return -1; | |
1285 | ||
1286 | if (test_cirbuf_string_misc() < 0) | |
1287 | return -1; | |
1288 | ||
1289 | return 0; | |
1290 | } | |
1291 | ||
1292 | /* test cmdline_cirbuf align functions */ | |
1293 | int | |
1294 | test_cirbuf_align(void) | |
1295 | { | |
1296 | if (test_cirbuf_align_left() < 0) | |
1297 | return -1; | |
1298 | if (test_cirbuf_align_right() < 0) | |
1299 | return -1; | |
1300 | return 0; | |
1301 | } |