test/buffer_tests.c@aed60ba37acf
test/buffer_tests.c
Tue, 06 May 2014 10:56:54 +0200
- author
- Mike Becker <universe@uap-core.de>
- date
- Tue, 06 May 2014 10:56:54 +0200
- changeset 167
- aed60ba37acf
- parent 166
- 350a0e3898bd
- child 168
- 24a012440dee
- permissions
- -rw-r--r--
ucx_buffer_extract tests
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_write
38 *
39 */
41 UCX_TEST(test_ucx_buffer_new) {
42 UcxBuffer *b = ucx_buffer_new(NULL, 16, UCX_BUFFER_AUTOEXTEND);
43 UcxBuffer *b2 = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
44 UCX_TEST_BEGIN
46 UCX_TEST_ASSERT(b->capacity==16, "wrong capacity");
47 UCX_TEST_ASSERT(b2->capacity==32, "wrong capacity");
49 UCX_TEST_ASSERT(b->size==0, "wrong size");
50 UCX_TEST_ASSERT(b2->size==0, "wrong size");
52 UCX_TEST_ASSERT(b->pos==0, "wrong position");
53 UCX_TEST_ASSERT(b2->pos==0, "wrong position");
55 UCX_TEST_ASSERT(b->flags==(UCX_BUFFER_AUTOEXTEND|UCX_BUFFER_AUTOFREE),
56 "wrong flags for autoextending buffer");
57 UCX_TEST_ASSERT(b2->flags==UCX_BUFFER_AUTOFREE,
58 "wrong flags for default bufer");
60 UCX_TEST_END
61 ucx_buffer_free(b2);
62 ucx_buffer_free(b);
63 }
65 UCX_TEST(test_ucx_buffer_new_prealloc) {
66 char* test = (char*) malloc(16);
67 UcxBuffer *b = ucx_buffer_new(test, 16, UCX_BUFFER_DEFAULT);
68 UCX_TEST_BEGIN
70 UCX_TEST_ASSERT(b->capacity==16, "wrong capacity");
71 UCX_TEST_ASSERT(b->size==0, "wrong size");
72 UCX_TEST_ASSERT(b->pos==0, "wrong position");
74 UCX_TEST_ASSERT(b->flags==0, "wrong flags - all should be cleared");
76 UCX_TEST_END
77 free(test);
78 ucx_buffer_free(b);
79 }
81 UCX_TEST(test_ucx_buffer_eof) {
82 char *test = "0123456789ABCDEF";
83 UcxBuffer *b = ucx_buffer_new(test, 16, UCX_BUFFER_DEFAULT);
84 UCX_TEST_BEGIN
85 b->pos = 9; b->size = 10;
86 UCX_TEST_ASSERT(!ucx_buffer_eof(b), "false positive");
87 b->pos = 10; b->size = 10;
88 UCX_TEST_ASSERT(ucx_buffer_eof(b), "pos == size should be EOF");
89 b->pos = 11; b->size = 10;
90 UCX_TEST_ASSERT(ucx_buffer_eof(b), "false negative");
91 UCX_TEST_END
92 }
94 UCX_TEST(test_ucx_buffer_seek_overflow) {
95 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
96 b->size = 32;
97 int r;
99 UCX_TEST_BEGIN
100 size_t bigpos = SIZE_MAX - 5000;
101 b->pos = bigpos;
102 r = ucx_buffer_seek(b, 5016, SEEK_CUR);
103 UCX_TEST_ASSERT(r != 0, "seek cur overflow");
104 UCX_TEST_ASSERT(b->pos == bigpos,
105 "failed seek shall leave pos unchanged");
107 b->pos = 0;
108 b->size = SIZE_MAX / 2 + 32;
109 off_t bigoff = SIZE_MAX / 2 - 16;
110 r = ucx_buffer_seek(b, -bigoff, SEEK_CUR);
111 UCX_TEST_ASSERT(r != 0, "seek cur underflow");
112 UCX_TEST_ASSERT(b->pos == 0,
113 "failed seek shall leave pos unchanged");
115 UCX_TEST_END
117 ucx_buffer_free(b);
118 }
120 UCX_TEST(test_ucx_buffer_seek_invalid) {
121 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
122 b->pos = 7;
123 int r;
125 UCX_TEST_BEGIN
126 r = ucx_buffer_seek(b, 0, ~(SEEK_SET|SEEK_CUR|SEEK_END));
127 UCX_TEST_ASSERT(r != 0, "invalid whence shall fail");
128 UCX_TEST_ASSERT(b->pos == 7,
129 "failed seek shall leave pos unchanged");
130 UCX_TEST_END
132 ucx_buffer_free(b);
133 }
135 UCX_TEST(test_ucx_buffer_seek_oob) {
136 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
137 b->size = 16; // less than capacity
138 b->pos = 7;
139 int r;
141 UCX_TEST_BEGIN
143 r = ucx_buffer_seek(b, -1, SEEK_SET);
144 UCX_TEST_ASSERT(r != 0, "seek SET below bounds shall fail");
145 UCX_TEST_ASSERT(b->pos == 7,
146 "failed seek shall leave pos unchanged");
148 r = ucx_buffer_seek(b, 16, SEEK_SET);
149 UCX_TEST_ASSERT(r != 0, "seek SET above bounds shall fail");
150 UCX_TEST_ASSERT(b->pos == 7,
151 "failed seek shall leave pos unchanged");
153 r = ucx_buffer_seek(b, -8, SEEK_CUR);
154 UCX_TEST_ASSERT(r != 0, "seek CUR below bounds shall fail");
155 UCX_TEST_ASSERT(b->pos == 7,
156 "failed seek shall leave pos unchanged");
158 r = ucx_buffer_seek(b, 9, SEEK_CUR);
159 UCX_TEST_ASSERT(r != 0, "seek CUR above bounds shall fail");
160 UCX_TEST_ASSERT(b->pos == 7,
161 "failed seek shall leave pos unchanged");
163 r = ucx_buffer_seek(b, -17, SEEK_END);
164 UCX_TEST_ASSERT(r != 0, "seek END below bounds shall fail");
165 UCX_TEST_ASSERT(b->pos == 7,
166 "failed seek shall leave pos unchanged");
168 r = ucx_buffer_seek(b, 1, SEEK_END);
169 UCX_TEST_ASSERT(r != 0, "seek END above bounds shall fail");
170 UCX_TEST_ASSERT(b->pos == 7,
171 "failed seek shall leave pos unchanged");
173 UCX_TEST_END
175 ucx_buffer_free(b);
176 }
178 UCX_TEST(test_ucx_buffer_seek_set) {
179 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
180 b->size = 16;
181 int r;
183 UCX_TEST_BEGIN
185 r = ucx_buffer_seek(b, 5, SEEK_SET);
186 UCX_TEST_ASSERT(r == 0, "seek SET+5 failed");
187 UCX_TEST_ASSERT(b->pos == 5, "seek SET+5 set wrong position");
190 r = ucx_buffer_seek(b, 10, SEEK_SET);
191 UCX_TEST_ASSERT(r == 0, "seek SET+10 failed");
192 UCX_TEST_ASSERT(b->pos == 10, "seek SET+10 set wrong position");
194 UCX_TEST_END
196 ucx_buffer_free(b);
197 }
199 UCX_TEST(test_ucx_buffer_seek_cur) {
200 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
201 b->size = 16;
202 int r;
204 UCX_TEST_BEGIN
206 b->pos = 7;
207 r = ucx_buffer_seek(b, 5, SEEK_CUR);
208 UCX_TEST_ASSERT(r == 0, "seek CUR+5 failed");
209 UCX_TEST_ASSERT(b->pos == 12, "seek CUR+5 set wrong position");
211 UCX_TEST_END
213 ucx_buffer_free(b);
214 }
216 UCX_TEST(test_ucx_buffer_seek_end) {
217 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
218 b->size = 16;
219 int r;
221 UCX_TEST_BEGIN
223 r = ucx_buffer_seek(b, -5, SEEK_END);
224 UCX_TEST_ASSERT(r == 0, "seek END-5 failed");
225 UCX_TEST_ASSERT(b->pos == 11, "seek END-5 set wrong position");
228 UCX_TEST_END
230 ucx_buffer_free(b);
231 }
233 UCX_TEST(test_ucx_buffer_putc) {
234 char *buffer = (char*) malloc(16);
235 memset(buffer, 32, 16);
237 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
238 b->size = b->capacity;
240 UCX_TEST_BEGIN
242 ucx_buffer_seek(b, 0, SEEK_SET);
243 UCX_TEST_ASSERT(ucx_buffer_putc(b, '0'|~0xFF) == '0',
244 "putc shall return (arg & 0xFF)");
245 ucx_buffer_putc(b, '0');
246 ucx_buffer_putc(b, '0');
248 UCX_TEST_ASSERT(b->pos == 3, "pos wrong after first 3 puts");
249 ucx_buffer_seek(b, 10, SEEK_CUR);
251 ucx_buffer_putc(b, '0');
252 ucx_buffer_putc(b, '0');
253 ucx_buffer_putc(b, '0');
255 UCX_TEST_ASSERT(b->pos == 16, "pos wrong after last 3 puts");
257 UCX_TEST_ASSERT(!memcmp(b->space, "000 000", 16),
258 "buffer content wrong")
259 UCX_TEST_END
260 ucx_buffer_free(b);
261 free(buffer);
262 }
264 UCX_TEST(test_ucx_buffer_putc_oob) {
265 UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_DEFAULT);
267 UCX_TEST_BEGIN
268 b->pos = b->size = b->capacity = 1;
269 b->space[1] = 'X';
271 UCX_TEST_ASSERT(ucx_buffer_putc(b, 48) == EOF, "put shall return EOF "
272 "when buffer is full and auto extend is disabled");
273 UCX_TEST_ASSERT(!memcmp(b->space, "\0X", 2),
274 "wrong buffer content after failed putc");
276 UCX_TEST_END
278 ucx_buffer_free(b);
279 }
282 UCX_TEST(test_ucx_buffer_putc_ae) {
283 UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
284 ucx_buffer_putc(b, '0');
285 ucx_buffer_putc(b, '1');
287 UCX_TEST_BEGIN
289 UCX_TEST_ASSERT(b->pos == 2, "pos wrong after first 2 puts");
290 UCX_TEST_ASSERT(b->size == 2, "size wrong after first 2 puts");
291 UCX_TEST_ASSERT(b->capacity == 2, "buffer erroneously extended");
292 UCX_TEST_ASSERT(!memcmp(b->space,"01", 2), "wrong content");
294 UCX_TEST_END
296 ucx_buffer_free(b);
297 }
299 UCX_TEST(test_ucx_buffer_putc_oobae) {
300 UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
301 ucx_buffer_putc(b, '0');
302 ucx_buffer_putc(b, '1');
304 UCX_TEST_BEGIN
306 ucx_buffer_putc(b, 'a');
308 UCX_TEST_ASSERT(b->pos == 3, "pos wrong after put");
309 UCX_TEST_ASSERT(b->capacity == 4, "buffer not properly extended");
310 UCX_TEST_ASSERT(b->size == 3, "wrong buffer size");
312 UCX_TEST_ASSERT(!memcmp(b->space,"01a\0", 4), "wrong content");
314 UCX_TEST_END
316 ucx_buffer_free(b);
317 }
319 UCX_TEST(test_ucx_buffer_putc_size) {
320 UcxBuffer *b = ucx_buffer_new(NULL, 4, UCX_BUFFER_DEFAULT);
322 UCX_TEST_BEGIN
324 UCX_TEST_ASSERT(b->size == 0, "wrong initial size");
325 ucx_buffer_putc(b, 'a');
326 ucx_buffer_putc(b, 'b');
327 ucx_buffer_putc(b, 'c');
328 UCX_TEST_ASSERT(b->size == 3, "size does not increase");
329 ucx_buffer_seek(b, 1, SEEK_SET);
330 ucx_buffer_putc(b, 'd');
331 UCX_TEST_ASSERT(b->size == 3, "size shall not decrease");
332 UCX_TEST_ASSERT(b->pos == 2, "wrong position after seek and putc");
334 UCX_TEST_END
336 ucx_buffer_free(b);
337 }
339 UCX_TEST(test_ucx_buffer_getc) {
340 char *buffer = (char*) malloc(16);
341 memset(buffer, 32, 8);
342 for (int i = 8; i < 16 ; i++) {
343 buffer[i] = 40+i;
344 }
346 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
347 b->size = b->capacity;
349 UCX_TEST_BEGIN
351 char rb[16];
352 for (size_t i = 0 ; i < 16 ; i++) {
353 UCX_TEST_ASSERT(b->pos == i, "wrong position");
354 UCX_TEST_ASSERT(!ucx_buffer_eof(b), "EOF false positive");
355 rb[i] = ucx_buffer_getc(b);
356 }
357 UCX_TEST_ASSERT(memcmp(rb, " 01234567", 16) == 0,
358 "read data incorrect");
360 UCX_TEST_ASSERT(ucx_buffer_eof(b), "EOF not set after last possible read");
361 UCX_TEST_ASSERT(b->pos == 16, "wrong position after EOF");
363 UCX_TEST_ASSERT(ucx_buffer_getc(b) == EOF,
364 "out of bounds read does not return EOF");
365 UCX_TEST_ASSERT(b->pos == 16, "wrong position after out of bounds read");
367 UCX_TEST_END
369 ucx_buffer_free(b);
370 free(buffer);
371 }
373 UCX_TEST(test_ucx_buffer_write) {
374 char *buffer = (char*) malloc(16);
375 memset(buffer, 32, 8);
376 for (int i = 8; i < 16 ; i++) {
377 buffer[i] = 40+i;
378 }
380 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
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 UCX_TEST_ASSERT(r == 16, "string not correctly trimed");
388 UCX_TEST_ASSERT(memcmp(buffer, teststring, 16) == 0,
389 "buffer data incorrect");
390 UCX_TEST_ASSERT(ucx_buffer_eof(b), "eof shall be set");
392 ucx_buffer_seek(b, 8, SEEK_SET);
393 r = ucx_buffer_write((void*)"not", 1, 3, b);
394 UCX_TEST_ASSERT(r == 3, "three bytes should be replace");
395 UCX_TEST_ASSERT(memcmp(buffer, "this is not too much", 16) == 0,
396 "modified buffer is incorrect");
398 const char* threebytestring = " t h r e e ";
399 memset(buffer, 49, 16);
400 ucx_buffer_seek(b, 0, SEEK_SET);
401 r = ucx_buffer_write((void*)threebytestring, 3, 6, b);
402 UCX_TEST_ASSERT(r == 5, "three byte string not correctly trimed");
403 UCX_TEST_ASSERT(b->pos == 15,
404 "position after write of three byte string incorrect");
405 UCX_TEST_ASSERT(!ucx_buffer_eof(b), "eof shall not be set");
406 UCX_TEST_ASSERT(memcmp(buffer, " t h r e e1", 16) == 0,
407 "bufer is incorrect after three byte string has been written");
409 UCX_TEST_END
411 ucx_buffer_free(b);
412 free(buffer);
413 }
415 UCX_TEST(test_ucx_buffer_write_ax) {
416 char *buffer = (char*) malloc(16);
418 UcxBuffer *b = ucx_buffer_new(buffer, 16,
419 UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE);
420 int r;
422 UCX_TEST_BEGIN
424 const char* teststring = "this is way too much";
425 r = ucx_buffer_write((void*)teststring, 1, 20, b);
426 buffer = (char*) b->space; /*autoextend enabled, we MUST retrieve pointer*/
427 UCX_TEST_ASSERT(r == 20, "not all characters written");
428 UCX_TEST_ASSERT(b->capacity == 32, "buffer not properly extended");
429 UCX_TEST_ASSERT(b->pos == 20, "position incorrect");
430 UCX_TEST_ASSERT(memcmp(buffer,
431 "this is way too much\0\0\0\0\0\0\0\0\0\0\0\0", 32) == 0,
432 "incorrect buffer content");
434 UCX_TEST_END
436 ucx_buffer_free(b);
437 }
439 UCX_TEST(test_ucx_buffer_read) {
440 UcxBuffer *b = ucx_buffer_new(NULL, 8, UCX_BUFFER_AUTOFREE);
441 ucx_buffer_write("01234567", 1, 8, b);
442 b->pos = 0;
444 char buf[32];
445 memset(buf, 'X', 32);
446 int r;
448 UCX_TEST_BEGIN
450 ucx_buffer_seek(b, 2, SEEK_SET);
451 r = ucx_buffer_read(buf, 1, 2, b);
452 UCX_TEST_ASSERT(r == 2, "wrong number of bytes read (2 items)");
453 UCX_TEST_ASSERT(buf[0] == '2' && buf[1] == '3' && buf[2] == 'X',
454 "buffer incorrect after read");
455 UCX_TEST_ASSERT(b->pos == 4, "wrong position after read (2 items)");
457 UCX_TEST_END
459 ucx_buffer_free(b);
460 }
462 UCX_TEST(test_ucx_buffer_read_oob) {
463 UcxBuffer *b = ucx_buffer_new(NULL, 8, UCX_BUFFER_AUTOFREE);
464 ucx_buffer_write("01234567", 1, 8, b);
466 char buf[32];
467 memset(buf, 'X', 32);
468 int r;
470 UCX_TEST_BEGIN
472 b->pos = 2;
473 r = ucx_buffer_read(buf + 2, 1, 8, b);
474 UCX_TEST_ASSERT(r == 6, "wrong number of bytes read (8 items)");
475 UCX_TEST_ASSERT(memcmp(buf, "XX234567XX", 10) == 0,
476 "buffer incorrect after read");
477 UCX_TEST_ASSERT(b->pos == 8,
478 "wrong position after read (8 items out of bound)");
480 b->pos = 0;
481 memset(buf, 'X', 32);
483 r = ucx_buffer_read(buf, 3, 3, b);
485 UCX_TEST_ASSERT(r == 2, "wrong number of blocks read");
486 UCX_TEST_ASSERT(memcmp(buf, "012345XX", 8) == 0,
487 "buffer incorrect after block out of bounds read");
489 r = ucx_buffer_read(buf+6, 1, 5, b);
491 UCX_TEST_ASSERT(r == 2, "wrong number of remaining bytes read");
492 UCX_TEST_ASSERT(memcmp(buf, "01234567XX", 10) == 0,
493 "buffer incorrect after remaining byte read");
495 UCX_TEST_END
497 ucx_buffer_free(b);
498 }
500 UCX_TEST(test_ucx_buffer_extract) {
501 char *buffer = (char*) malloc(16);
502 strcpy(buffer, "this is a test!");
504 UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);
505 src->size = 15;
506 UcxBuffer *dst = ucx_buffer_extract(src, 5, 5, UCX_BUFFER_AUTOEXTEND);
508 UCX_TEST_BEGIN
509 UCX_TEST_ASSERT(dst != NULL, "ucx_buffer_extract returned NULL");
510 UCX_TEST_ASSERT(dst->flags == (UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE),
511 "autofree flag shall be enforced");
512 UCX_TEST_ASSERT(dst->size == 5, "wrong size for new buffer");
513 UCX_TEST_ASSERT(dst->capacity == 5, "wrong capacity for new buffer");
514 UCX_TEST_ASSERT(dst->pos == 0, "wrong position for new buffer");
515 char rb[5];
516 ucx_buffer_read(rb, 1, 5, dst);
517 UCX_TEST_ASSERT(memcmp(rb, "is a ", 5) == 0,
518 "new buffer has incorrect content");
520 UCX_TEST_END
522 ucx_buffer_free(dst);
523 ucx_buffer_free(src);
524 }
526 UCX_TEST(test_ucx_buffer_extract_oob) {
527 char *buffer = (char*) malloc(16);
528 strcpy(buffer, "this is a test!");
530 UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);
531 UCX_TEST_BEGIN
533 UCX_TEST_ASSERT(ucx_buffer_extract(src, 5, 0, UCX_BUFFER_DEFAULT) == NULL,
534 "extract shall fail on zero length");
535 UCX_TEST_ASSERT(ucx_buffer_extract(src, 10, 10, UCX_BUFFER_DEFAULT) == NULL,
536 "extract shall fail on invalid bounds (size exceeds limits)");
537 UCX_TEST_ASSERT(ucx_buffer_extract(src, 20, -7, UCX_BUFFER_DEFAULT) == NULL,
538 "extract shall fail on invalid bounds (start exceeds limits)");
540 UCX_TEST_END
542 ucx_buffer_free(src);
543 }
545 UCX_TEST(test_ucx_buffer_extract_overflow) {
546 char *buffer = (char*) malloc(16);
547 strcpy(buffer, "this is a test!");
549 UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);
550 UCX_TEST_BEGIN
552 UCX_TEST_ASSERT(ucx_buffer_extract(src, 5, (size_t)-4,
553 UCX_BUFFER_DEFAULT) == NULL, "extract shall fail on integer overflow");
555 UCX_TEST_END
557 ucx_buffer_free(src);
558 }
560 UCX_TEST(test_ucx_stream_copy) {
561 UcxBuffer *b1 = ucx_buffer_new(NULL, 64, UCX_BUFFER_DEFAULT);
562 UcxBuffer *b2 = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
564 UCX_TEST_BEGIN
566 ucx_buffer_write("01234567", 1, 8, b1);
567 ucx_buffer_write("abcdefgh", 1, 8, b1);
568 UCX_TEST_ASSERT(b1->size == 16, "failed to fill buffer b1");
569 ucx_buffer_seek(b1, 0, SEEK_SET);
571 size_t ncp = ucx_stream_hcopy(b1, b2, ucx_buffer_read, ucx_buffer_write);
572 UCX_TEST_ASSERT(ncp == 16, "wrong number of copied bytes");
573 UCX_TEST_ASSERT(b2->size == 16, "b2 has wrong size");
574 UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,
575 "b1 and b2 have not the same content");
577 memset(b2->space, 0, b2->capacity);
578 b2->pos = 0;
579 b2->size = 0;
580 ucx_buffer_seek(b1, 0, SEEK_SET);
582 FILE *file = tmpfile();
583 UCX_TEST_ASSERT(file, "test file cannot be opened, test aborted");
585 ncp = ucx_stream_hcopy(b1, file, ucx_buffer_read, fwrite);
586 UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes to file");
588 fseek(file, 0, SEEK_SET);
590 ncp = ucx_stream_hcopy(file, b2, fread, ucx_buffer_write);
591 UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes from file");
593 UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,
594 "b1 and b2 content mismatch");
596 fclose(file);
598 ucx_buffer_clear(b1);
599 ucx_buffer_seek(b2, 0, SEEK_SET);
600 ncp = ucx_stream_ncopy(b2, b1, ucx_buffer_read, ucx_buffer_write, 8);
601 UCX_TEST_ASSERT(ncp == 8, "copied wrong number of bytes with ncopy");
602 UCX_TEST_ASSERT(memcmp(b1->space, "01234567\0\0\0\0\0\0\0\0", 16) == 0,
603 "content wrong after ncopy");
605 UCX_TEST_END
607 ucx_buffer_free(b1);
608 ucx_buffer_free(b2);
609 }
