test/buffer_tests.c

Fri, 26 Feb 2016 16:33:04 +0100

author
Mike Becker <universe@uap-core.de>
date
Fri, 26 Feb 2016 16:33:04 +0100
changeset 218
b20d6088795c
parent 192
1e51558b9d09
child 219
2df780a4482b
permissions
-rw-r--r--

fixed further usages of SIZE_MAX

universe@56 1 /*
universe@103 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@56 3 *
universe@192 4 * Copyright 2015 Olaf Wintermann. All rights reserved.
universe@103 5 *
universe@103 6 * Redistribution and use in source and binary forms, with or without
universe@103 7 * modification, are permitted provided that the following conditions are met:
universe@103 8 *
universe@103 9 * 1. Redistributions of source code must retain the above copyright
universe@103 10 * notice, this list of conditions and the following disclaimer.
universe@103 11 *
universe@103 12 * 2. Redistributions in binary form must reproduce the above copyright
universe@103 13 * notice, this list of conditions and the following disclaimer in the
universe@103 14 * documentation and/or other materials provided with the distribution.
universe@103 15 *
universe@103 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@103 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@103 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
universe@103 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
universe@103 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
universe@103 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
universe@103 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
universe@103 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
universe@103 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
universe@103 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
universe@103 26 * POSSIBILITY OF SUCH DAMAGE.
universe@56 27 */
universe@56 28
universe@60 29 #include "buffer_tests.h"
universe@164 30
universe@166 31 UCX_TEST(test_ucx_buffer_new) {
universe@166 32 UcxBuffer *b = ucx_buffer_new(NULL, 16, UCX_BUFFER_AUTOEXTEND);
universe@166 33 UcxBuffer *b2 = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
universe@166 34 UCX_TEST_BEGIN
universe@166 35
universe@166 36 UCX_TEST_ASSERT(b->capacity==16, "wrong capacity");
universe@166 37 UCX_TEST_ASSERT(b2->capacity==32, "wrong capacity");
universe@166 38
universe@166 39 UCX_TEST_ASSERT(b->size==0, "wrong size");
universe@166 40 UCX_TEST_ASSERT(b2->size==0, "wrong size");
universe@166 41
universe@166 42 UCX_TEST_ASSERT(b->pos==0, "wrong position");
universe@166 43 UCX_TEST_ASSERT(b2->pos==0, "wrong position");
universe@166 44
universe@166 45 UCX_TEST_ASSERT(b->flags==(UCX_BUFFER_AUTOEXTEND|UCX_BUFFER_AUTOFREE),
universe@166 46 "wrong flags for autoextending buffer");
universe@166 47 UCX_TEST_ASSERT(b2->flags==UCX_BUFFER_AUTOFREE,
universe@166 48 "wrong flags for default bufer");
universe@166 49
universe@166 50 UCX_TEST_END
universe@166 51 ucx_buffer_free(b2);
universe@166 52 ucx_buffer_free(b);
universe@166 53 }
universe@166 54
universe@166 55 UCX_TEST(test_ucx_buffer_new_prealloc) {
universe@166 56 char* test = (char*) malloc(16);
universe@166 57 UcxBuffer *b = ucx_buffer_new(test, 16, UCX_BUFFER_DEFAULT);
universe@166 58 UCX_TEST_BEGIN
universe@166 59
universe@166 60 UCX_TEST_ASSERT(b->capacity==16, "wrong capacity");
universe@166 61 UCX_TEST_ASSERT(b->size==0, "wrong size");
universe@166 62 UCX_TEST_ASSERT(b->pos==0, "wrong position");
universe@166 63
universe@166 64 UCX_TEST_ASSERT(b->flags==0, "wrong flags - all should be cleared");
universe@166 65
universe@166 66 UCX_TEST_END
universe@166 67 free(test);
universe@166 68 ucx_buffer_free(b);
universe@166 69 }
universe@166 70
universe@164 71 UCX_TEST(test_ucx_buffer_eof) {
universe@185 72 char *test = (char*)"0123456789ABCDEF";
universe@164 73 UcxBuffer *b = ucx_buffer_new(test, 16, UCX_BUFFER_DEFAULT);
universe@164 74 UCX_TEST_BEGIN
universe@164 75 b->pos = 9; b->size = 10;
universe@164 76 UCX_TEST_ASSERT(!ucx_buffer_eof(b), "false positive");
universe@164 77 b->pos = 10; b->size = 10;
universe@164 78 UCX_TEST_ASSERT(ucx_buffer_eof(b), "pos == size should be EOF");
universe@164 79 b->pos = 11; b->size = 10;
universe@164 80 UCX_TEST_ASSERT(ucx_buffer_eof(b), "false negative");
universe@164 81 UCX_TEST_END
universe@164 82 }
universe@164 83
universe@164 84 UCX_TEST(test_ucx_buffer_seek_overflow) {
universe@164 85 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
universe@164 86 b->size = 32;
universe@164 87 int r;
universe@164 88
universe@164 89 UCX_TEST_BEGIN
universe@218 90 const size_t sizemax = (size_t)-1;
universe@218 91 size_t bigpos = sizemax - 5000;
universe@164 92 b->pos = bigpos;
universe@164 93 r = ucx_buffer_seek(b, 5016, SEEK_CUR);
universe@164 94 UCX_TEST_ASSERT(r != 0, "seek cur overflow");
universe@164 95 UCX_TEST_ASSERT(b->pos == bigpos,
universe@164 96 "failed seek shall leave pos unchanged");
universe@164 97
universe@164 98 b->pos = 0;
universe@218 99 b->size = sizemax / 2 + 32;
universe@218 100 off_t bigoff = sizemax / 2 - 16;
universe@164 101 r = ucx_buffer_seek(b, -bigoff, SEEK_CUR);
universe@164 102 UCX_TEST_ASSERT(r != 0, "seek cur underflow");
universe@164 103 UCX_TEST_ASSERT(b->pos == 0,
universe@164 104 "failed seek shall leave pos unchanged");
universe@164 105
universe@164 106 UCX_TEST_END
universe@164 107
universe@164 108 ucx_buffer_free(b);
universe@164 109 }
universe@164 110
universe@164 111 UCX_TEST(test_ucx_buffer_seek_invalid) {
universe@164 112 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
universe@164 113 b->pos = 7;
universe@164 114 int r;
universe@164 115
universe@164 116 UCX_TEST_BEGIN
universe@164 117 r = ucx_buffer_seek(b, 0, ~(SEEK_SET|SEEK_CUR|SEEK_END));
universe@164 118 UCX_TEST_ASSERT(r != 0, "invalid whence shall fail");
universe@164 119 UCX_TEST_ASSERT(b->pos == 7,
universe@164 120 "failed seek shall leave pos unchanged");
universe@164 121 UCX_TEST_END
universe@164 122
universe@164 123 ucx_buffer_free(b);
universe@164 124 }
universe@164 125
universe@164 126 UCX_TEST(test_ucx_buffer_seek_oob) {
olaf@76 127 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
olaf@76 128 b->size = 16; // less than capacity
universe@164 129 b->pos = 7;
universe@164 130 int r;
universe@164 131
universe@164 132 UCX_TEST_BEGIN
universe@164 133
universe@164 134 r = ucx_buffer_seek(b, -1, SEEK_SET);
universe@164 135 UCX_TEST_ASSERT(r != 0, "seek SET below bounds shall fail");
universe@164 136 UCX_TEST_ASSERT(b->pos == 7,
universe@164 137 "failed seek shall leave pos unchanged");
universe@164 138
universe@164 139 r = ucx_buffer_seek(b, 16, SEEK_SET);
universe@164 140 UCX_TEST_ASSERT(r != 0, "seek SET above bounds shall fail");
universe@164 141 UCX_TEST_ASSERT(b->pos == 7,
universe@164 142 "failed seek shall leave pos unchanged");
universe@164 143
universe@164 144 r = ucx_buffer_seek(b, -8, SEEK_CUR);
universe@164 145 UCX_TEST_ASSERT(r != 0, "seek CUR below bounds shall fail");
universe@164 146 UCX_TEST_ASSERT(b->pos == 7,
universe@164 147 "failed seek shall leave pos unchanged");
universe@164 148
universe@164 149 r = ucx_buffer_seek(b, 9, SEEK_CUR);
universe@164 150 UCX_TEST_ASSERT(r != 0, "seek CUR above bounds shall fail");
universe@164 151 UCX_TEST_ASSERT(b->pos == 7,
universe@164 152 "failed seek shall leave pos unchanged");
universe@164 153
universe@164 154 r = ucx_buffer_seek(b, -17, SEEK_END);
universe@164 155 UCX_TEST_ASSERT(r != 0, "seek END below bounds shall fail");
universe@164 156 UCX_TEST_ASSERT(b->pos == 7,
universe@164 157 "failed seek shall leave pos unchanged");
universe@164 158
universe@164 159 r = ucx_buffer_seek(b, 1, SEEK_END);
universe@164 160 UCX_TEST_ASSERT(r != 0, "seek END above bounds shall fail");
universe@164 161 UCX_TEST_ASSERT(b->pos == 7,
universe@164 162 "failed seek shall leave pos unchanged");
universe@164 163
universe@164 164 UCX_TEST_END
universe@164 165
universe@164 166 ucx_buffer_free(b);
universe@164 167 }
universe@164 168
universe@164 169 UCX_TEST(test_ucx_buffer_seek_set) {
universe@164 170 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
universe@164 171 b->size = 16;
universe@56 172 int r;
universe@56 173
universe@56 174 UCX_TEST_BEGIN
universe@56 175
universe@60 176 r = ucx_buffer_seek(b, 5, SEEK_SET);
universe@56 177 UCX_TEST_ASSERT(r == 0, "seek SET+5 failed");
universe@63 178 UCX_TEST_ASSERT(b->pos == 5, "seek SET+5 set wrong position");
universe@164 179
universe@164 180
universe@164 181 r = ucx_buffer_seek(b, 10, SEEK_SET);
universe@164 182 UCX_TEST_ASSERT(r == 0, "seek SET+10 failed");
universe@164 183 UCX_TEST_ASSERT(b->pos == 10, "seek SET+10 set wrong position");
universe@56 184
universe@164 185 UCX_TEST_END
universe@56 186
universe@164 187 ucx_buffer_free(b);
universe@164 188 }
universe@164 189
universe@164 190 UCX_TEST(test_ucx_buffer_seek_cur) {
universe@164 191 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
universe@164 192 b->size = 16;
universe@164 193 int r;
universe@164 194
universe@164 195 UCX_TEST_BEGIN
universe@164 196
universe@164 197 b->pos = 7;
universe@60 198 r = ucx_buffer_seek(b, 5, SEEK_CUR);
universe@56 199 UCX_TEST_ASSERT(r == 0, "seek CUR+5 failed");
universe@164 200 UCX_TEST_ASSERT(b->pos == 12, "seek CUR+5 set wrong position");
universe@56 201
universe@164 202 UCX_TEST_END
universe@56 203
universe@164 204 ucx_buffer_free(b);
universe@164 205 }
universe@164 206
universe@164 207 UCX_TEST(test_ucx_buffer_seek_end) {
universe@164 208 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
universe@164 209 b->size = 16;
universe@164 210 int r;
universe@164 211
universe@164 212 UCX_TEST_BEGIN
universe@164 213
universe@60 214 r = ucx_buffer_seek(b, -5, SEEK_END);
universe@56 215 UCX_TEST_ASSERT(r == 0, "seek END-5 failed");
olaf@76 216 UCX_TEST_ASSERT(b->pos == 11, "seek END-5 set wrong position");
universe@56 217
universe@56 218
universe@56 219 UCX_TEST_END
universe@56 220
universe@60 221 ucx_buffer_free(b);
olaf@76 222 }
olaf@76 223
universe@134 224 UCX_TEST(test_ucx_buffer_putc) {
olaf@76 225 char *buffer = (char*) malloc(16);
olaf@76 226 memset(buffer, 32, 16);
olaf@76 227
olaf@76 228 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
olaf@76 229 b->size = b->capacity;
olaf@76 230
olaf@76 231 UCX_TEST_BEGIN
olaf@76 232
universe@164 233 ucx_buffer_seek(b, 0, SEEK_SET);
universe@164 234 UCX_TEST_ASSERT(ucx_buffer_putc(b, '0'|~0xFF) == '0',
universe@164 235 "putc shall return (arg & 0xFF)");
olaf@76 236 ucx_buffer_putc(b, '0');
olaf@76 237 ucx_buffer_putc(b, '0');
olaf@76 238
olaf@76 239 UCX_TEST_ASSERT(b->pos == 3, "pos wrong after first 3 puts");
olaf@76 240 ucx_buffer_seek(b, 10, SEEK_CUR);
olaf@76 241
olaf@76 242 ucx_buffer_putc(b, '0');
olaf@76 243 ucx_buffer_putc(b, '0');
olaf@76 244 ucx_buffer_putc(b, '0');
olaf@76 245
olaf@76 246 UCX_TEST_ASSERT(b->pos == 16, "pos wrong after last 3 puts");
olaf@76 247
universe@164 248 UCX_TEST_ASSERT(!memcmp(b->space, "000 000", 16),
universe@164 249 "buffer content wrong")
universe@164 250 UCX_TEST_END
universe@164 251 ucx_buffer_free(b);
universe@164 252 free(buffer);
universe@164 253 }
olaf@76 254
universe@164 255 UCX_TEST(test_ucx_buffer_putc_oob) {
universe@164 256 UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_DEFAULT);
universe@164 257
universe@164 258 UCX_TEST_BEGIN
universe@164 259 b->pos = b->size = b->capacity = 1;
universe@164 260 b->space[1] = 'X';
universe@164 261
universe@164 262 UCX_TEST_ASSERT(ucx_buffer_putc(b, 48) == EOF, "put shall return EOF "
universe@164 263 "when buffer is full and auto extend is disabled");
universe@164 264 UCX_TEST_ASSERT(!memcmp(b->space, "\0X", 2),
universe@164 265 "wrong buffer content after failed putc");
olaf@76 266
olaf@76 267 UCX_TEST_END
olaf@76 268
olaf@76 269 ucx_buffer_free(b);
universe@56 270 }
universe@56 271
universe@164 272
universe@164 273 UCX_TEST(test_ucx_buffer_putc_ae) {
olaf@76 274 UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
universe@164 275 ucx_buffer_putc(b, '0');
universe@164 276 ucx_buffer_putc(b, '1');
olaf@76 277
universe@56 278 UCX_TEST_BEGIN
olaf@76 279
universe@164 280 UCX_TEST_ASSERT(b->pos == 2, "pos wrong after first 2 puts");
universe@164 281 UCX_TEST_ASSERT(b->size == 2, "size wrong after first 2 puts");
universe@164 282 UCX_TEST_ASSERT(b->capacity == 2, "buffer erroneously extended");
universe@164 283 UCX_TEST_ASSERT(!memcmp(b->space,"01", 2), "wrong content");
universe@164 284
universe@164 285 UCX_TEST_END
universe@164 286
universe@164 287 ucx_buffer_free(b);
universe@164 288 }
universe@164 289
universe@164 290 UCX_TEST(test_ucx_buffer_putc_oobae) {
universe@164 291 UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
olaf@76 292 ucx_buffer_putc(b, '0');
olaf@76 293 ucx_buffer_putc(b, '1');
olaf@76 294
universe@164 295 UCX_TEST_BEGIN
olaf@76 296
olaf@76 297 ucx_buffer_putc(b, 'a');
olaf@76 298
universe@164 299 UCX_TEST_ASSERT(b->pos == 3, "pos wrong after put");
olaf@76 300 UCX_TEST_ASSERT(b->capacity == 4, "buffer not properly extended");
olaf@76 301 UCX_TEST_ASSERT(b->size == 3, "wrong buffer size");
olaf@76 302
universe@164 303 UCX_TEST_ASSERT(!memcmp(b->space,"01a\0", 4), "wrong content");
olaf@76 304
universe@56 305 UCX_TEST_END
olaf@76 306
olaf@147 307 ucx_buffer_free(b);
universe@56 308 }
universe@56 309
universe@164 310 UCX_TEST(test_ucx_buffer_putc_size) {
universe@164 311 UcxBuffer *b = ucx_buffer_new(NULL, 4, UCX_BUFFER_DEFAULT);
universe@164 312
universe@164 313 UCX_TEST_BEGIN
universe@164 314
universe@164 315 UCX_TEST_ASSERT(b->size == 0, "wrong initial size");
universe@164 316 ucx_buffer_putc(b, 'a');
universe@164 317 ucx_buffer_putc(b, 'b');
universe@164 318 ucx_buffer_putc(b, 'c');
universe@164 319 UCX_TEST_ASSERT(b->size == 3, "size does not increase");
universe@164 320 ucx_buffer_seek(b, 1, SEEK_SET);
universe@164 321 ucx_buffer_putc(b, 'd');
universe@164 322 UCX_TEST_ASSERT(b->size == 3, "size shall not decrease");
universe@164 323 UCX_TEST_ASSERT(b->pos == 2, "wrong position after seek and putc");
universe@164 324
universe@164 325 UCX_TEST_END
universe@164 326
universe@164 327 ucx_buffer_free(b);
universe@164 328 }
universe@164 329
universe@134 330 UCX_TEST(test_ucx_buffer_getc) {
universe@69 331 char *buffer = (char*) malloc(16);
universe@56 332 memset(buffer, 32, 8);
universe@56 333 for (int i = 8; i < 16 ; i++) {
universe@56 334 buffer[i] = 40+i;
universe@56 335 }
universe@56 336
universe@61 337 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
olaf@76 338 b->size = b->capacity;
universe@56 339
universe@56 340 UCX_TEST_BEGIN
universe@56 341
universe@56 342 char rb[16];
universe@95 343 for (size_t i = 0 ; i < 16 ; i++) {
universe@166 344 UCX_TEST_ASSERT(b->pos == i, "wrong position");
universe@166 345 UCX_TEST_ASSERT(!ucx_buffer_eof(b), "EOF false positive");
universe@60 346 rb[i] = ucx_buffer_getc(b);
universe@56 347 }
universe@56 348 UCX_TEST_ASSERT(memcmp(rb, " 01234567", 16) == 0,
universe@166 349 "read data incorrect");
universe@166 350
universe@166 351 UCX_TEST_ASSERT(ucx_buffer_eof(b), "EOF not set after last possible read");
universe@166 352 UCX_TEST_ASSERT(b->pos == 16, "wrong position after EOF");
universe@166 353
universe@166 354 UCX_TEST_ASSERT(ucx_buffer_getc(b) == EOF,
universe@166 355 "out of bounds read does not return EOF");
universe@166 356 UCX_TEST_ASSERT(b->pos == 16, "wrong position after out of bounds read");
universe@56 357
universe@56 358 UCX_TEST_END
universe@56 359
universe@60 360 ucx_buffer_free(b);
universe@56 361 free(buffer);
universe@56 362 }
universe@56 363
universe@134 364 UCX_TEST(test_ucx_buffer_write) {
universe@168 365 char *buffer = (char*) malloc(32);
universe@169 366 memset(buffer, 0, 32);
universe@169 367
universe@56 368 memset(buffer, 32, 8);
universe@56 369 for (int i = 8; i < 16 ; i++) {
universe@56 370 buffer[i] = 40+i;
universe@56 371 }
universe@56 372
universe@168 373 UcxBuffer *b = ucx_buffer_new(buffer, 32, UCX_BUFFER_DEFAULT);
universe@56 374 int r;
universe@56 375
universe@56 376 UCX_TEST_BEGIN
universe@168 377 b->pos = 4;
universe@168 378 r = ucx_buffer_write("test string", 1, 11, b);
universe@168 379 UCX_TEST_ASSERT(r == 11, "returned incorrect number of written bytes");
universe@168 380 UCX_TEST_ASSERT(b->pos == 15, "incorrect position");
universe@168 381 UCX_TEST_ASSERT(memcmp(buffer, " test string7\0\0", 18) == 0,
universe@168 382 "incorrect buffer content (test string)");
universe@168 383
universe@168 384 int32_t testarr[4] = {0x09abcdef, 0x05fedcba, 0x01abefcd, 0x3cd07ab};
universe@168 385 r = ucx_buffer_write(testarr, 4, 4, b);
universe@168 386 UCX_TEST_ASSERT(r = 4, "returned incorrect number of written elements");
universe@168 387 UCX_TEST_ASSERT(b->pos == 31, "incorrect position");
universe@168 388
universe@168 389 char cmp[32];
universe@168 390 memset(cmp, 0, 32);
universe@168 391 memcpy(cmp, " test string", 15);
universe@168 392 int32_t *ptr = (int32_t*) (cmp+15);
universe@168 393 ptr[0] = testarr[0];
universe@168 394 ptr[1] = testarr[1];
universe@168 395 ptr[2] = testarr[2];
universe@168 396 ptr[3] = testarr[3];
universe@168 397 UCX_TEST_ASSERT(memcmp(buffer, cmp, 32) == 0,
universe@168 398 "incorrect buffer content (int array)");
universe@168 399
universe@168 400 UCX_TEST_END
universe@56 401
universe@168 402 ucx_buffer_free(b);
universe@168 403 free(buffer);
universe@168 404 }
universe@56 405
universe@168 406 UCX_TEST(test_ucx_buffer_write_oob) {
universe@168 407 char *buffer = (char*) malloc(32);
universe@168 408 memset(buffer, 0, 32);
universe@56 409
universe@168 410 UcxBuffer *b = ucx_buffer_new(buffer, 15, UCX_BUFFER_DEFAULT);
universe@168 411 int r;
universe@56 412
universe@168 413 UCX_TEST_BEGIN
universe@168 414 r = ucx_buffer_write("a very long string", 1, 18, b);
universe@168 415 UCX_TEST_ASSERT(r == 15, "incorrect number of written bytes");
universe@168 416 UCX_TEST_ASSERT(memcmp(buffer, "a very long str\0\0\0", 18) == 0,
universe@168 417 "invalid buffer content (test string)");
universe@168 418
universe@168 419 b->size = b->pos = 0;
universe@168 420 int32_t intarr[4] = {0,-1,0,-1};
universe@168 421 memset(buffer, 0, 32);
universe@168 422
universe@168 423 r = ucx_buffer_write(intarr, 4, 4, b);
universe@168 424 UCX_TEST_ASSERT(r == 3, "incorrect number of written elements");
universe@168 425 UCX_TEST_ASSERT(memcmp(buffer,
universe@168 426 "\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0", 16) == 0,
universe@168 427 "invalid buffer content (test string)");
universe@168 428
universe@56 429 UCX_TEST_END
universe@56 430
universe@60 431 ucx_buffer_free(b);
universe@56 432 free(buffer);
universe@56 433 }
universe@56 434
universe@134 435 UCX_TEST(test_ucx_buffer_write_ax) {
olaf@76 436 char *buffer = (char*) malloc(16);
universe@169 437 memset(buffer, 0, 16);
universe@64 438
universe@64 439 UcxBuffer *b = ucx_buffer_new(buffer, 16,
universe@64 440 UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE);
universe@64 441 int r;
universe@64 442
universe@64 443 UCX_TEST_BEGIN
universe@64 444
universe@69 445 const char* teststring = "this is way too much";
universe@69 446 r = ucx_buffer_write((void*)teststring, 1, 20, b);
universe@69 447 buffer = (char*) b->space; /*autoextend enabled, we MUST retrieve pointer*/
universe@64 448 UCX_TEST_ASSERT(r == 20, "not all characters written");
olaf@76 449 UCX_TEST_ASSERT(b->capacity == 32, "buffer not properly extended");
universe@64 450 UCX_TEST_ASSERT(b->pos == 20, "position incorrect");
universe@64 451 UCX_TEST_ASSERT(memcmp(buffer,
universe@64 452 "this is way too much\0\0\0\0\0\0\0\0\0\0\0\0", 32) == 0,
universe@64 453 "incorrect buffer content");
universe@64 454
universe@64 455 UCX_TEST_END
universe@64 456
universe@64 457 ucx_buffer_free(b);
universe@64 458 }
universe@64 459
universe@134 460 UCX_TEST(test_ucx_buffer_read) {
olaf@76 461 UcxBuffer *b = ucx_buffer_new(NULL, 8, UCX_BUFFER_AUTOFREE);
universe@166 462 ucx_buffer_write("01234567", 1, 8, b);
universe@166 463 b->pos = 0;
olaf@76 464
olaf@76 465 char buf[32];
olaf@76 466 memset(buf, 'X', 32);
universe@56 467 int r;
olaf@76 468
universe@56 469 UCX_TEST_BEGIN
olaf@76 470
universe@166 471 ucx_buffer_seek(b, 2, SEEK_SET);
universe@166 472 r = ucx_buffer_read(buf, 1, 2, b);
universe@166 473 UCX_TEST_ASSERT(r == 2, "wrong number of bytes read (2 items)");
universe@166 474 UCX_TEST_ASSERT(buf[0] == '2' && buf[1] == '3' && buf[2] == 'X',
universe@166 475 "buffer incorrect after read");
universe@166 476 UCX_TEST_ASSERT(b->pos == 4, "wrong position after read (2 items)");
universe@166 477
universe@166 478 UCX_TEST_END
universe@166 479
universe@166 480 ucx_buffer_free(b);
universe@166 481 }
universe@166 482
universe@166 483 UCX_TEST(test_ucx_buffer_read_oob) {
universe@166 484 UcxBuffer *b = ucx_buffer_new(NULL, 8, UCX_BUFFER_AUTOFREE);
olaf@76 485 ucx_buffer_write("01234567", 1, 8, b);
universe@166 486
universe@166 487 char buf[32];
universe@166 488 memset(buf, 'X', 32);
universe@166 489 int r;
universe@166 490
universe@166 491 UCX_TEST_BEGIN
universe@166 492
universe@166 493 b->pos = 2;
universe@166 494 r = ucx_buffer_read(buf + 2, 1, 8, b);
universe@166 495 UCX_TEST_ASSERT(r == 6, "wrong number of bytes read (8 items)");
universe@166 496 UCX_TEST_ASSERT(memcmp(buf, "XX234567XX", 10) == 0,
universe@166 497 "buffer incorrect after read");
universe@166 498 UCX_TEST_ASSERT(b->pos == 8,
universe@166 499 "wrong position after read (8 items out of bound)");
universe@166 500
olaf@76 501 b->pos = 0;
universe@166 502 memset(buf, 'X', 32);
olaf@76 503
olaf@76 504 r = ucx_buffer_read(buf, 3, 3, b);
olaf@76 505
olaf@76 506 UCX_TEST_ASSERT(r == 2, "wrong number of blocks read");
olaf@76 507 UCX_TEST_ASSERT(memcmp(buf, "012345XX", 8) == 0,
universe@166 508 "buffer incorrect after block out of bounds read");
olaf@76 509
universe@166 510 r = ucx_buffer_read(buf+6, 1, 5, b);
universe@166 511
universe@166 512 UCX_TEST_ASSERT(r == 2, "wrong number of remaining bytes read");
universe@166 513 UCX_TEST_ASSERT(memcmp(buf, "01234567XX", 10) == 0,
universe@166 514 "buffer incorrect after remaining byte read");
olaf@76 515
universe@56 516 UCX_TEST_END
olaf@76 517
olaf@147 518 ucx_buffer_free(b);
universe@56 519 }
universe@62 520
universe@134 521 UCX_TEST(test_ucx_buffer_extract) {
universe@69 522 char *buffer = (char*) malloc(16);
universe@62 523 strcpy(buffer, "this is a test!");
universe@62 524
olaf@76 525 UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);
universe@168 526 src->size = 16;
universe@167 527 UcxBuffer *dst = ucx_buffer_extract(src, 5, 5, UCX_BUFFER_AUTOEXTEND);
universe@62 528
universe@62 529 UCX_TEST_BEGIN
olaf@76 530 UCX_TEST_ASSERT(dst != NULL, "ucx_buffer_extract returned NULL");
universe@167 531 UCX_TEST_ASSERT(dst->flags == (UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE),
universe@62 532 "autofree flag shall be enforced");
universe@63 533 UCX_TEST_ASSERT(dst->size == 5, "wrong size for new buffer");
universe@167 534 UCX_TEST_ASSERT(dst->capacity == 5, "wrong capacity for new buffer");
universe@167 535 UCX_TEST_ASSERT(dst->pos == 0, "wrong position for new buffer");
universe@62 536 char rb[5];
universe@62 537 ucx_buffer_read(rb, 1, 5, dst);
universe@62 538 UCX_TEST_ASSERT(memcmp(rb, "is a ", 5) == 0,
universe@62 539 "new buffer has incorrect content");
universe@62 540
universe@167 541 UCX_TEST_END
universe@167 542
universe@167 543 ucx_buffer_free(dst);
universe@167 544 ucx_buffer_free(src);
universe@167 545 }
universe@167 546
universe@167 547 UCX_TEST(test_ucx_buffer_extract_oob) {
universe@167 548 char *buffer = (char*) malloc(16);
universe@167 549 strcpy(buffer, "this is a test!");
universe@167 550
universe@167 551 UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);
universe@168 552 src->size = 16;
universe@168 553
universe@167 554 UCX_TEST_BEGIN
universe@167 555
universe@167 556 UCX_TEST_ASSERT(ucx_buffer_extract(src, 5, 0, UCX_BUFFER_DEFAULT) == NULL,
universe@167 557 "extract shall fail on zero length");
universe@167 558 UCX_TEST_ASSERT(ucx_buffer_extract(src, 10, 10, UCX_BUFFER_DEFAULT) == NULL,
universe@167 559 "extract shall fail on invalid bounds (size exceeds limits)");
universe@167 560 UCX_TEST_ASSERT(ucx_buffer_extract(src, 20, -7, UCX_BUFFER_DEFAULT) == NULL,
universe@167 561 "extract shall fail on invalid bounds (start exceeds limits)");
universe@62 562
universe@62 563 UCX_TEST_END
universe@62 564
universe@167 565 ucx_buffer_free(src);
universe@167 566 }
universe@167 567
universe@167 568 UCX_TEST(test_ucx_buffer_extract_overflow) {
universe@167 569 char *buffer = (char*) malloc(16);
universe@167 570 strcpy(buffer, "this is a test!");
universe@167 571
universe@167 572 UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);
universe@168 573 src->size = 16;
universe@168 574
universe@167 575 UCX_TEST_BEGIN
universe@167 576
universe@167 577 UCX_TEST_ASSERT(ucx_buffer_extract(src, 5, (size_t)-4,
universe@167 578 UCX_BUFFER_DEFAULT) == NULL, "extract shall fail on integer overflow");
universe@167 579
universe@167 580 UCX_TEST_END
universe@167 581
universe@62 582 ucx_buffer_free(src);
universe@62 583 }
olaf@76 584
universe@168 585 UCX_TEST(test_ucx_buffer_extend) {
universe@168 586
universe@168 587 UcxBuffer *b = ucx_buffer_new(NULL, 10, UCX_BUFFER_DEFAULT);
olaf@76 588
olaf@76 589 UCX_TEST_BEGIN
olaf@76 590
universe@168 591 UCX_TEST_ASSERT(ucx_buffer_extend(b, 15) == 0, "shall return 0 on success");
universe@168 592 UCX_TEST_ASSERT(b->capacity = 40, "wrong capacity");
universe@168 593 UCX_TEST_ASSERT((b->size == 0 && b->pos == 0),
universe@168 594 "pos and size shall remain unchanged");
olaf@76 595
universe@218 596 UCX_TEST_ASSERT(ucx_buffer_extend(b, (size_t) - 61) != 0,
universe@168 597 "shall fail and return a non-zero value on overflow");
olaf@76 598
olaf@76 599 UCX_TEST_END
olaf@76 600
universe@168 601 ucx_buffer_free(b);
olaf@76 602 }

mercurial