test/buffer_tests.c@1fa3f13f774c
test/buffer_tests.c
Mon, 05 May 2014 13:53:27 +0200
- author
- Mike Becker <universe@uap-core.de>
- date
- Mon, 05 May 2014 13:53:27 +0200
- changeset 164
- 1fa3f13f774c
- parent 163
- 5ec9a2ca6328
- child 166
- 350a0e3898bd
- permissions
- -rw-r--r--
added allocator tests + started refactoring UcxBuffer tests (HINT: don't fix issues yet, complete tests first)
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2013 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
29 #include "buffer_tests.h"
30 #include "ucx/utils.h"
32 /*
33 * TODO: refactor tests
34 *
35 * ucx_buffer_extend
36 * ucx_buffer_extract
37 * ucx_buffer_free
38 * ucx_buffer_getc
39 * ucx_buffer_new
40 * ucx_buffer_puts
41 * ucx_buffer_read
42 * ucx_buffer_write
43 *
44 */
46 UCX_TEST(test_ucx_buffer_eof) {
47 char *test = "0123456789ABCDEF";
48 UcxBuffer *b = ucx_buffer_new(test, 16, UCX_BUFFER_DEFAULT);
49 UCX_TEST_BEGIN
50 b->pos = 9; b->size = 10;
51 UCX_TEST_ASSERT(!ucx_buffer_eof(b), "false positive");
52 b->pos = 10; b->size = 10;
53 UCX_TEST_ASSERT(ucx_buffer_eof(b), "pos == size should be EOF");
54 b->pos = 11; b->size = 10;
55 UCX_TEST_ASSERT(ucx_buffer_eof(b), "false negative");
56 UCX_TEST_END
57 }
59 UCX_TEST(test_ucx_buffer_seek_overflow) {
60 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
61 b->size = 32;
62 int r;
64 UCX_TEST_BEGIN
65 size_t bigpos = SIZE_MAX - 5000;
66 b->pos = bigpos;
67 r = ucx_buffer_seek(b, 5016, SEEK_CUR);
68 UCX_TEST_ASSERT(r != 0, "seek cur overflow");
69 UCX_TEST_ASSERT(b->pos == bigpos,
70 "failed seek shall leave pos unchanged");
72 b->pos = 0;
73 b->size = SIZE_MAX / 2 + 32;
74 off_t bigoff = SIZE_MAX / 2 - 16;
75 r = ucx_buffer_seek(b, -bigoff, SEEK_CUR);
76 UCX_TEST_ASSERT(r != 0, "seek cur underflow");
77 UCX_TEST_ASSERT(b->pos == 0,
78 "failed seek shall leave pos unchanged");
80 UCX_TEST_END
82 ucx_buffer_free(b);
83 }
85 UCX_TEST(test_ucx_buffer_seek_invalid) {
86 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
87 b->pos = 7;
88 int r;
90 UCX_TEST_BEGIN
91 r = ucx_buffer_seek(b, 0, ~(SEEK_SET|SEEK_CUR|SEEK_END));
92 UCX_TEST_ASSERT(r != 0, "invalid whence shall fail");
93 UCX_TEST_ASSERT(b->pos == 7,
94 "failed seek shall leave pos unchanged");
95 UCX_TEST_END
97 ucx_buffer_free(b);
98 }
100 UCX_TEST(test_ucx_buffer_seek_oob) {
101 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
102 b->size = 16; // less than capacity
103 b->pos = 7;
104 int r;
106 UCX_TEST_BEGIN
108 r = ucx_buffer_seek(b, -1, SEEK_SET);
109 UCX_TEST_ASSERT(r != 0, "seek SET below bounds shall fail");
110 UCX_TEST_ASSERT(b->pos == 7,
111 "failed seek shall leave pos unchanged");
113 r = ucx_buffer_seek(b, 16, SEEK_SET);
114 UCX_TEST_ASSERT(r != 0, "seek SET above bounds shall fail");
115 UCX_TEST_ASSERT(b->pos == 7,
116 "failed seek shall leave pos unchanged");
118 r = ucx_buffer_seek(b, -8, SEEK_CUR);
119 UCX_TEST_ASSERT(r != 0, "seek CUR below bounds shall fail");
120 UCX_TEST_ASSERT(b->pos == 7,
121 "failed seek shall leave pos unchanged");
123 r = ucx_buffer_seek(b, 9, SEEK_CUR);
124 UCX_TEST_ASSERT(r != 0, "seek CUR above bounds shall fail");
125 UCX_TEST_ASSERT(b->pos == 7,
126 "failed seek shall leave pos unchanged");
128 r = ucx_buffer_seek(b, -17, SEEK_END);
129 UCX_TEST_ASSERT(r != 0, "seek END below bounds shall fail");
130 UCX_TEST_ASSERT(b->pos == 7,
131 "failed seek shall leave pos unchanged");
133 r = ucx_buffer_seek(b, 1, SEEK_END);
134 UCX_TEST_ASSERT(r != 0, "seek END above bounds shall fail");
135 UCX_TEST_ASSERT(b->pos == 7,
136 "failed seek shall leave pos unchanged");
138 UCX_TEST_END
140 ucx_buffer_free(b);
141 }
143 UCX_TEST(test_ucx_buffer_seek_set) {
144 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
145 b->size = 16;
146 int r;
148 UCX_TEST_BEGIN
150 r = ucx_buffer_seek(b, 5, SEEK_SET);
151 UCX_TEST_ASSERT(r == 0, "seek SET+5 failed");
152 UCX_TEST_ASSERT(b->pos == 5, "seek SET+5 set wrong position");
155 r = ucx_buffer_seek(b, 10, SEEK_SET);
156 UCX_TEST_ASSERT(r == 0, "seek SET+10 failed");
157 UCX_TEST_ASSERT(b->pos == 10, "seek SET+10 set wrong position");
159 UCX_TEST_END
161 ucx_buffer_free(b);
162 }
164 UCX_TEST(test_ucx_buffer_seek_cur) {
165 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
166 b->size = 16;
167 int r;
169 UCX_TEST_BEGIN
171 b->pos = 7;
172 r = ucx_buffer_seek(b, 5, SEEK_CUR);
173 UCX_TEST_ASSERT(r == 0, "seek CUR+5 failed");
174 UCX_TEST_ASSERT(b->pos == 12, "seek CUR+5 set wrong position");
176 UCX_TEST_END
178 ucx_buffer_free(b);
179 }
181 UCX_TEST(test_ucx_buffer_seek_end) {
182 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
183 b->size = 16;
184 int r;
186 UCX_TEST_BEGIN
188 r = ucx_buffer_seek(b, -5, SEEK_END);
189 UCX_TEST_ASSERT(r == 0, "seek END-5 failed");
190 UCX_TEST_ASSERT(b->pos == 11, "seek END-5 set wrong position");
193 UCX_TEST_END
195 ucx_buffer_free(b);
196 }
198 UCX_TEST(test_ucx_buffer_putc) {
199 char *buffer = (char*) malloc(16);
200 memset(buffer, 32, 16);
202 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
203 b->size = b->capacity;
205 UCX_TEST_BEGIN
207 ucx_buffer_seek(b, 0, SEEK_SET);
208 UCX_TEST_ASSERT(ucx_buffer_putc(b, '0'|~0xFF) == '0',
209 "putc shall return (arg & 0xFF)");
210 ucx_buffer_putc(b, '0');
211 ucx_buffer_putc(b, '0');
213 UCX_TEST_ASSERT(b->pos == 3, "pos wrong after first 3 puts");
214 ucx_buffer_seek(b, 10, SEEK_CUR);
216 ucx_buffer_putc(b, '0');
217 ucx_buffer_putc(b, '0');
218 ucx_buffer_putc(b, '0');
220 UCX_TEST_ASSERT(b->pos == 16, "pos wrong after last 3 puts");
222 UCX_TEST_ASSERT(!memcmp(b->space, "000 000", 16),
223 "buffer content wrong")
224 UCX_TEST_END
225 ucx_buffer_free(b);
226 free(buffer);
227 }
229 UCX_TEST(test_ucx_buffer_putc_oob) {
230 UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_DEFAULT);
232 UCX_TEST_BEGIN
233 b->pos = b->size = b->capacity = 1;
234 b->space[1] = 'X';
236 UCX_TEST_ASSERT(ucx_buffer_putc(b, 48) == EOF, "put shall return EOF "
237 "when buffer is full and auto extend is disabled");
238 UCX_TEST_ASSERT(!memcmp(b->space, "\0X", 2),
239 "wrong buffer content after failed putc");
241 UCX_TEST_END
243 ucx_buffer_free(b);
244 }
247 UCX_TEST(test_ucx_buffer_putc_ae) {
248 UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
249 ucx_buffer_putc(b, '0');
250 ucx_buffer_putc(b, '1');
252 UCX_TEST_BEGIN
254 UCX_TEST_ASSERT(b->pos == 2, "pos wrong after first 2 puts");
255 UCX_TEST_ASSERT(b->size == 2, "size wrong after first 2 puts");
256 UCX_TEST_ASSERT(b->capacity == 2, "buffer erroneously extended");
257 UCX_TEST_ASSERT(!memcmp(b->space,"01", 2), "wrong content");
259 UCX_TEST_END
261 ucx_buffer_free(b);
262 }
264 UCX_TEST(test_ucx_buffer_putc_oobae) {
265 UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
266 ucx_buffer_putc(b, '0');
267 ucx_buffer_putc(b, '1');
269 UCX_TEST_BEGIN
271 ucx_buffer_putc(b, 'a');
273 UCX_TEST_ASSERT(b->pos == 3, "pos wrong after put");
274 UCX_TEST_ASSERT(b->capacity == 4, "buffer not properly extended");
275 UCX_TEST_ASSERT(b->size == 3, "wrong buffer size");
277 UCX_TEST_ASSERT(!memcmp(b->space,"01a\0", 4), "wrong content");
279 UCX_TEST_END
281 ucx_buffer_free(b);
282 }
284 UCX_TEST(test_ucx_buffer_putc_size) {
285 UcxBuffer *b = ucx_buffer_new(NULL, 4, UCX_BUFFER_DEFAULT);
287 UCX_TEST_BEGIN
289 UCX_TEST_ASSERT(b->size == 0, "wrong initial size");
290 ucx_buffer_putc(b, 'a');
291 ucx_buffer_putc(b, 'b');
292 ucx_buffer_putc(b, 'c');
293 UCX_TEST_ASSERT(b->size == 3, "size does not increase");
294 ucx_buffer_seek(b, 1, SEEK_SET);
295 ucx_buffer_putc(b, 'd');
296 UCX_TEST_ASSERT(b->size == 3, "size shall not decrease");
297 UCX_TEST_ASSERT(b->pos == 2, "wrong position after seek and putc");
299 UCX_TEST_END
301 ucx_buffer_free(b);
302 }
304 UCX_TEST(test_ucx_buffer_getc) {
305 char *buffer = (char*) malloc(16);
306 memset(buffer, 32, 8);
307 for (int i = 8; i < 16 ; i++) {
308 buffer[i] = 40+i;
309 }
311 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
312 b->size = b->capacity;
314 UCX_TEST_BEGIN
316 char rb[16];
317 for (size_t i = 0 ; i < 16 ; i++) {
318 UCX_TEST_ASSERT(b->pos == i, "pos wrong during read loop");
319 UCX_TEST_ASSERT(!ucx_buffer_eof(b),
320 "EOF shall not be set during read loop");
321 rb[i] = ucx_buffer_getc(b);
322 }
323 UCX_TEST_ASSERT(b->pos == 16, "pos wrong after read loop");
324 UCX_TEST_ASSERT(ucx_buffer_eof(b), "EOF not set");
325 UCX_TEST_ASSERT(memcmp(rb, " 01234567", 16) == 0,
326 "read data incorrect");
328 UCX_TEST_END
330 ucx_buffer_free(b);
331 free(buffer);
332 }
334 UCX_TEST(test_ucx_buffer_write) {
335 char *buffer = (char*) malloc(16);
336 memset(buffer, 32, 8);
337 for (int i = 8; i < 16 ; i++) {
338 buffer[i] = 40+i;
339 }
341 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
342 int r;
344 UCX_TEST_BEGIN
346 const char* teststring = "this is way too much";
347 r = ucx_buffer_write((void*)teststring, 1, 20, b);
348 UCX_TEST_ASSERT(r == 16, "string not correctly trimed");
349 UCX_TEST_ASSERT(memcmp(buffer, teststring, 16) == 0,
350 "buffer data incorrect");
351 UCX_TEST_ASSERT(ucx_buffer_eof(b), "eof shall be set");
353 ucx_buffer_seek(b, 8, SEEK_SET);
354 r = ucx_buffer_write((void*)"not", 1, 3, b);
355 UCX_TEST_ASSERT(r == 3, "three bytes should be replace");
356 UCX_TEST_ASSERT(memcmp(buffer, "this is not too much", 16) == 0,
357 "modified buffer is incorrect");
359 const char* threebytestring = " t h r e e ";
360 memset(buffer, 49, 16);
361 ucx_buffer_seek(b, 0, SEEK_SET);
362 r = ucx_buffer_write((void*)threebytestring, 3, 6, b);
363 UCX_TEST_ASSERT(r == 5, "three byte string not correctly trimed");
364 UCX_TEST_ASSERT(b->pos == 15,
365 "position after write of three byte string incorrect");
366 UCX_TEST_ASSERT(!ucx_buffer_eof(b), "eof shall not be set");
367 UCX_TEST_ASSERT(memcmp(buffer, " t h r e e1", 16) == 0,
368 "bufer is incorrect after three byte string has been written");
370 UCX_TEST_END
372 ucx_buffer_free(b);
373 free(buffer);
374 }
376 UCX_TEST(test_ucx_buffer_write_ax) {
377 char *buffer = (char*) malloc(16);
379 UcxBuffer *b = ucx_buffer_new(buffer, 16,
380 UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE);
381 int r;
383 UCX_TEST_BEGIN
385 const char* teststring = "this is way too much";
386 r = ucx_buffer_write((void*)teststring, 1, 20, b);
387 buffer = (char*) b->space; /*autoextend enabled, we MUST retrieve pointer*/
388 UCX_TEST_ASSERT(r == 20, "not all characters written");
389 UCX_TEST_ASSERT(b->capacity == 32, "buffer not properly extended");
390 UCX_TEST_ASSERT(b->pos == 20, "position incorrect");
391 UCX_TEST_ASSERT(memcmp(buffer,
392 "this is way too much\0\0\0\0\0\0\0\0\0\0\0\0", 32) == 0,
393 "incorrect buffer content");
395 UCX_TEST_END
397 ucx_buffer_free(b);
398 }
400 UCX_TEST(test_ucx_buffer_read) {
401 UcxBuffer *b = ucx_buffer_new(NULL, 8, UCX_BUFFER_AUTOFREE);
403 char buf[32];
404 memset(buf, 'X', 32);
405 int r;
407 UCX_TEST_BEGIN
409 ucx_buffer_write("01234567", 1, 8, b);
410 UCX_TEST_ASSERT(b->pos == 8, "buffer not correctly filled");
411 b->pos = 0;
413 r = ucx_buffer_read(buf, 1, 2, b);
414 UCX_TEST_ASSERT(r == 2, "wrong number of bytes read");
415 UCX_TEST_ASSERT(buf[0] == '0' && buf[1] == '1' && buf[2] == 'X',
416 "buffer incorrect after first read");
418 r = ucx_buffer_read(buf + 2, 1, 8, b);
419 UCX_TEST_ASSERT(r == 6, "wrong number of bytes read(2)");
420 UCX_TEST_ASSERT(memcmp(buf, "01234567XX", 10) == 0,
421 "buffer incorrect after second read");
423 memset(buf, 'X', 32);
424 ucx_buffer_seek(b, 0, SEEK_SET);
425 r = ucx_buffer_read(buf, 3, 3, b);
427 UCX_TEST_ASSERT(r == 2, "wrong number of blocks read");
428 UCX_TEST_ASSERT(memcmp(buf, "012345XX", 8) == 0,
429 "buffer incorrect after three byte read");
432 UCX_TEST_END
434 ucx_buffer_free(b);
435 }
437 UCX_TEST(test_ucx_buffer_extract) {
438 char *buffer = (char*) malloc(16);
439 strcpy(buffer, "this is a test!");
441 UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);
442 src->size = 15;
443 UcxBuffer *dst = ucx_buffer_extract(src, 5, 5, UCX_BUFFER_DEFAULT);
445 UCX_TEST_BEGIN
446 UCX_TEST_ASSERT(dst != NULL, "ucx_buffer_extract returned NULL");
448 UCX_TEST_ASSERT((dst->flags & UCX_BUFFER_AUTOFREE) == UCX_BUFFER_AUTOFREE,
449 "autofree flag shall be enforced");
450 UCX_TEST_ASSERT(dst->size == 5, "wrong size for new buffer");
451 char rb[5];
452 ucx_buffer_read(rb, 1, 5, dst);
453 UCX_TEST_ASSERT(memcmp(rb, "is a ", 5) == 0,
454 "new buffer has incorrect content");
456 UCX_TEST_ASSERT(ucx_buffer_extract(dst, 3, 3, UCX_BUFFER_DEFAULT) == NULL,
457 "extract shall fail on invalid bounds");
459 UCX_TEST_END
461 ucx_buffer_free(dst);
462 ucx_buffer_free(src);
463 }
465 UCX_TEST(test_ucx_stream_copy) {
466 UcxBuffer *b1 = ucx_buffer_new(NULL, 64, UCX_BUFFER_DEFAULT);
467 UcxBuffer *b2 = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
469 UCX_TEST_BEGIN
471 ucx_buffer_write("01234567", 1, 8, b1);
472 ucx_buffer_write("abcdefgh", 1, 8, b1);
473 UCX_TEST_ASSERT(b1->size == 16, "failed to fill buffer b1");
474 ucx_buffer_seek(b1, 0, SEEK_SET);
476 size_t ncp = ucx_stream_hcopy(b1, b2, ucx_buffer_read, ucx_buffer_write);
477 UCX_TEST_ASSERT(ncp == 16, "wrong number of copied bytes");
478 UCX_TEST_ASSERT(b2->size == 16, "b2 has wrong size");
479 UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,
480 "b1 and b2 have not the same content");
482 memset(b2->space, 0, b2->capacity);
483 b2->pos = 0;
484 b2->size = 0;
485 ucx_buffer_seek(b1, 0, SEEK_SET);
487 FILE *file = tmpfile();
488 UCX_TEST_ASSERT(file, "test file cannot be opened, test aborted");
490 ncp = ucx_stream_hcopy(b1, file, ucx_buffer_read, fwrite);
491 UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes to file");
493 fseek(file, 0, SEEK_SET);
495 ncp = ucx_stream_hcopy(file, b2, fread, ucx_buffer_write);
496 UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes from file");
498 UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,
499 "b1 and b2 content mismatch");
501 fclose(file);
503 ucx_buffer_clear(b1);
504 ucx_buffer_seek(b2, 0, SEEK_SET);
505 ncp = ucx_stream_ncopy(b2, b1, ucx_buffer_read, ucx_buffer_write, 8);
506 UCX_TEST_ASSERT(ncp == 8, "copied wrong number of bytes with ncopy");
507 UCX_TEST_ASSERT(memcmp(b1->space, "01234567\0\0\0\0\0\0\0\0", 16) == 0,
508 "content wrong after ncopy");
510 UCX_TEST_END
512 ucx_buffer_free(b1);
513 ucx_buffer_free(b2);
514 }
