test/buffer_tests.c

Thu, 28 Feb 2013 08:50:24 +0100

author
Mike Becker <universe@uap-core.de>
date
Thu, 28 Feb 2013 08:50:24 +0100
changeset 103
08018864fb91
parent 95
ecfdc1c4a552
child 134
4d320dc3a7af
permissions
-rw-r--r--

added license and copyright notice to all files

universe@56 1 /*
universe@103 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@56 3 *
universe@103 4 * Copyright 2013 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@56 30
universe@60 31 UCX_TEST_IMPLEMENT(test_ucx_buffer_seektell) {
olaf@76 32 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
olaf@76 33 b->size = 16; // less than capacity
universe@56 34 int r;
universe@56 35
universe@56 36 UCX_TEST_BEGIN
universe@56 37
universe@60 38 r = ucx_buffer_seek(b, 5, SEEK_SET);
universe@56 39 UCX_TEST_ASSERT(r == 0, "seek SET+5 failed");
universe@63 40 UCX_TEST_ASSERT(b->pos == 5, "seek SET+5 set wrong position");
universe@56 41
universe@60 42 r = ucx_buffer_seek(b, 20, SEEK_SET);
universe@56 43 UCX_TEST_ASSERT(r != 0, "seek beyond bounds shall fail");
universe@63 44 UCX_TEST_ASSERT(b->pos == 5,
universe@56 45 "failed seek shall leave pos unchanged");
universe@56 46
universe@60 47 r = ucx_buffer_seek(b, 5, SEEK_CUR);
universe@56 48 UCX_TEST_ASSERT(r == 0, "seek CUR+5 failed");
universe@63 49 UCX_TEST_ASSERT(b->pos == 10, "seek CUR+5 set wrong position");
universe@56 50
universe@60 51 r = ucx_buffer_seek(b, 10, SEEK_CUR);
universe@56 52 UCX_TEST_ASSERT(r != 0, "seek CUR beyond bounds shall fail");
universe@63 53 UCX_TEST_ASSERT(b->pos == 10,
universe@56 54 "failed seek shall leave pos unchanged");
universe@56 55
universe@60 56 r = ucx_buffer_seek(b, -5, SEEK_END);
universe@56 57 UCX_TEST_ASSERT(r == 0, "seek END-5 failed");
olaf@76 58 UCX_TEST_ASSERT(b->pos == 11, "seek END-5 set wrong position");
universe@56 59
olaf@76 60 r = ucx_buffer_seek(b, -20, SEEK_END);
universe@56 61 UCX_TEST_ASSERT(r != 0, "seek END beyond bounds shall fail");
olaf@76 62 UCX_TEST_ASSERT(b->pos == 11,
universe@56 63 "failed seek shall leave pos unchanged");
universe@56 64
universe@56 65 UCX_TEST_END
universe@56 66
universe@60 67 ucx_buffer_free(b);
olaf@76 68 }
olaf@76 69
olaf@76 70 UCX_TEST_IMPLEMENT(test_ucx_buffer_putc) {
olaf@76 71 char *buffer = (char*) malloc(16);
olaf@76 72 memset(buffer, 32, 16);
olaf@76 73
olaf@76 74 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
olaf@76 75 b->size = b->capacity;
olaf@76 76
olaf@76 77 UCX_TEST_BEGIN
olaf@76 78
olaf@76 79 ucx_buffer_putc(b, '0');
olaf@76 80 ucx_buffer_putc(b, '0');
olaf@76 81 ucx_buffer_putc(b, '0');
olaf@76 82
olaf@76 83 UCX_TEST_ASSERT(b->pos == 3, "pos wrong after first 3 puts");
olaf@76 84 ucx_buffer_seek(b, 10, SEEK_CUR);
olaf@76 85
olaf@76 86 ucx_buffer_putc(b, '0');
olaf@76 87 ucx_buffer_putc(b, '0');
olaf@76 88 ucx_buffer_putc(b, '0');
olaf@76 89
olaf@76 90 UCX_TEST_ASSERT(b->pos == 16, "pos wrong after last 3 puts");
olaf@76 91 UCX_TEST_ASSERT(ucx_buffer_eof(b), "eof not set");
olaf@76 92 UCX_TEST_ASSERT(ucx_buffer_putc(b, 48) == EOF,
olaf@76 93 "put shall return EOF when buffer is full");
olaf@76 94
olaf@76 95 ucx_buffer_seek(b, 3, SEEK_SET);
olaf@76 96 ucx_buffer_putc(b, 'a');
olaf@76 97 ucx_buffer_putc(b, 'b');
olaf@76 98 ucx_buffer_putc(b, 'c');
olaf@76 99
olaf@76 100 UCX_TEST_ASSERT(b->size == 16, "wrong size after seek and puts");
olaf@76 101 UCX_TEST_ASSERT(memcmp(buffer, "000abc 000", 16) == 0,
olaf@76 102 "buffer contains incorrect content");
olaf@76 103
olaf@76 104 UCX_TEST_END
olaf@76 105
olaf@76 106 ucx_buffer_free(b);
universe@56 107 free(buffer);
universe@56 108 }
universe@56 109
olaf@76 110 UCX_TEST_IMPLEMENT(test_ucx_buffer_putc_ax) {
olaf@76 111 UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
olaf@76 112
universe@56 113 UCX_TEST_BEGIN
olaf@76 114
olaf@76 115 ucx_buffer_putc(b, '0');
olaf@76 116 ucx_buffer_putc(b, '1');
olaf@76 117
olaf@76 118 UCX_TEST_ASSERT(b->pos == 2, "pos wrong after first 2 puts");
olaf@76 119 UCX_TEST_ASSERT(b->capacity == 2, "buffer erroneously extended");
olaf@76 120
olaf@76 121 ucx_buffer_putc(b, 'a');
olaf@76 122
olaf@76 123 UCX_TEST_ASSERT(b->pos == 3, "pos wrong after 1 put");
olaf@76 124 UCX_TEST_ASSERT(b->capacity == 4, "buffer not properly extended");
olaf@76 125 UCX_TEST_ASSERT(b->size == 3, "wrong buffer size");
olaf@76 126
olaf@76 127 UCX_TEST_ASSERT(b->space[2] == 'a', "wrong content");
olaf@76 128
universe@56 129 UCX_TEST_END
olaf@76 130
olaf@76 131
universe@56 132 }
universe@56 133
universe@60 134 UCX_TEST_IMPLEMENT(test_ucx_buffer_getc) {
universe@69 135 char *buffer = (char*) malloc(16);
universe@56 136 memset(buffer, 32, 8);
universe@56 137 for (int i = 8; i < 16 ; i++) {
universe@56 138 buffer[i] = 40+i;
universe@56 139 }
universe@56 140
universe@61 141 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
olaf@76 142 b->size = b->capacity;
universe@56 143
universe@56 144 UCX_TEST_BEGIN
universe@56 145
universe@56 146 char rb[16];
universe@95 147 for (size_t i = 0 ; i < 16 ; i++) {
universe@63 148 UCX_TEST_ASSERT(b->pos == i, "pos wrong during read loop");
universe@60 149 UCX_TEST_ASSERT(!ucx_buffer_eof(b),
universe@56 150 "EOF shall not be set during read loop");
universe@60 151 rb[i] = ucx_buffer_getc(b);
universe@56 152 }
universe@63 153 UCX_TEST_ASSERT(b->pos == 16, "pos wrong after read loop");
universe@60 154 UCX_TEST_ASSERT(ucx_buffer_eof(b), "EOF not set");
universe@56 155 UCX_TEST_ASSERT(memcmp(rb, " 01234567", 16) == 0,
universe@56 156 "read data incorrect");
universe@56 157
universe@56 158 UCX_TEST_END
universe@56 159
universe@60 160 ucx_buffer_free(b);
universe@56 161 free(buffer);
universe@56 162 }
universe@56 163
universe@60 164 UCX_TEST_IMPLEMENT(test_ucx_buffer_write) {
universe@69 165 char *buffer = (char*) malloc(16);
universe@56 166 memset(buffer, 32, 8);
universe@56 167 for (int i = 8; i < 16 ; i++) {
universe@56 168 buffer[i] = 40+i;
universe@56 169 }
universe@56 170
universe@61 171 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
universe@56 172 int r;
universe@56 173
universe@56 174 UCX_TEST_BEGIN
universe@56 175
universe@69 176 const char* teststring = "this is way too much";
universe@69 177 r = ucx_buffer_write((void*)teststring, 1, 20, b);
universe@56 178 UCX_TEST_ASSERT(r == 16, "string not correctly trimed");
universe@56 179 UCX_TEST_ASSERT(memcmp(buffer, teststring, 16) == 0,
universe@56 180 "buffer data incorrect");
universe@60 181 UCX_TEST_ASSERT(ucx_buffer_eof(b), "eof shall be set");
universe@56 182
universe@60 183 ucx_buffer_seek(b, 8, SEEK_SET);
universe@71 184 r = ucx_buffer_write((void*)"not", 1, 3, b);
universe@56 185 UCX_TEST_ASSERT(r == 3, "three bytes should be replace");
universe@56 186 UCX_TEST_ASSERT(memcmp(buffer, "this is not too much", 16) == 0,
universe@56 187 "modified buffer is incorrect");
universe@56 188
universe@69 189 const char* threebytestring = " t h r e e ";
universe@56 190 memset(buffer, 49, 16);
universe@60 191 ucx_buffer_seek(b, 0, SEEK_SET);
universe@69 192 r = ucx_buffer_write((void*)threebytestring, 3, 6, b);
olaf@76 193 UCX_TEST_ASSERT(r == 5, "three byte string not correctly trimed");
universe@63 194 UCX_TEST_ASSERT(b->pos == 15,
universe@56 195 "position after write of three byte string incorrect");
universe@60 196 UCX_TEST_ASSERT(!ucx_buffer_eof(b), "eof shall not be set");
universe@56 197 UCX_TEST_ASSERT(memcmp(buffer, " t h r e e1", 16) == 0,
universe@56 198 "bufer is incorrect after three byte string has been written");
universe@56 199
universe@56 200 UCX_TEST_END
universe@56 201
universe@60 202 ucx_buffer_free(b);
universe@56 203 free(buffer);
universe@56 204 }
universe@56 205
universe@64 206 UCX_TEST_IMPLEMENT(test_ucx_buffer_write_ax) {
olaf@76 207 char *buffer = (char*) malloc(16);
universe@64 208
universe@64 209 UcxBuffer *b = ucx_buffer_new(buffer, 16,
universe@64 210 UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE);
universe@64 211 int r;
universe@64 212
universe@64 213 UCX_TEST_BEGIN
universe@64 214
universe@69 215 const char* teststring = "this is way too much";
universe@69 216 r = ucx_buffer_write((void*)teststring, 1, 20, b);
universe@69 217 buffer = (char*) b->space; /*autoextend enabled, we MUST retrieve pointer*/
universe@64 218 UCX_TEST_ASSERT(r == 20, "not all characters written");
olaf@76 219 UCX_TEST_ASSERT(b->capacity == 32, "buffer not properly extended");
universe@64 220 UCX_TEST_ASSERT(b->pos == 20, "position incorrect");
universe@64 221 UCX_TEST_ASSERT(memcmp(buffer,
universe@64 222 "this is way too much\0\0\0\0\0\0\0\0\0\0\0\0", 32) == 0,
universe@64 223 "incorrect buffer content");
universe@64 224
universe@64 225 UCX_TEST_END
universe@64 226
universe@64 227 ucx_buffer_free(b);
universe@64 228 }
universe@64 229
universe@60 230 UCX_TEST_IMPLEMENT(test_ucx_buffer_read) {
olaf@76 231 UcxBuffer *b = ucx_buffer_new(NULL, 8, UCX_BUFFER_AUTOFREE);
olaf@76 232
olaf@76 233 char buf[32];
olaf@76 234 memset(buf, 'X', 32);
universe@56 235 int r;
olaf@76 236
universe@56 237 UCX_TEST_BEGIN
olaf@76 238
olaf@76 239 ucx_buffer_write("01234567", 1, 8, b);
olaf@76 240 UCX_TEST_ASSERT(b->pos == 8, "buffer not correctly filled");
olaf@76 241 b->pos = 0;
olaf@76 242
olaf@76 243 r = ucx_buffer_read(buf, 1, 2, b);
olaf@76 244 UCX_TEST_ASSERT(r == 2, "wrong number of bytes read");
olaf@76 245 UCX_TEST_ASSERT(buf[0] == '0' && buf[1] == '1' && buf[2] == 'X',
universe@56 246 "buffer incorrect after first read");
olaf@76 247
olaf@76 248 r = ucx_buffer_read(buf + 2, 1, 8, b);
olaf@76 249 UCX_TEST_ASSERT(r == 6, "wrong number of bytes read(2)");
olaf@76 250 UCX_TEST_ASSERT(memcmp(buf, "01234567XX", 10) == 0,
olaf@76 251 "buffer incorrect after second read");
olaf@76 252
olaf@76 253 memset(buf, 'X', 32);
universe@60 254 ucx_buffer_seek(b, 0, SEEK_SET);
olaf@76 255 r = ucx_buffer_read(buf, 3, 3, b);
olaf@76 256
olaf@76 257 UCX_TEST_ASSERT(r == 2, "wrong number of blocks read");
olaf@76 258 UCX_TEST_ASSERT(memcmp(buf, "012345XX", 8) == 0,
olaf@76 259 "buffer incorrect after three byte read");
olaf@76 260
olaf@76 261
universe@56 262 UCX_TEST_END
olaf@76 263
olaf@76 264
universe@56 265 }
universe@62 266
universe@62 267 UCX_TEST_IMPLEMENT(test_ucx_buffer_extract) {
universe@69 268 char *buffer = (char*) malloc(16);
universe@62 269 strcpy(buffer, "this is a test!");
universe@62 270
olaf@76 271 UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);
olaf@76 272 src->size = 15;
olaf@76 273 UcxBuffer *dst = ucx_buffer_extract(src, 5, 5, UCX_BUFFER_DEFAULT);
universe@62 274
universe@62 275 UCX_TEST_BEGIN
olaf@76 276 UCX_TEST_ASSERT(dst != NULL, "ucx_buffer_extract returned NULL");
olaf@76 277
universe@63 278 UCX_TEST_ASSERT((dst->flags & UCX_BUFFER_AUTOFREE) == UCX_BUFFER_AUTOFREE,
universe@62 279 "autofree flag shall be enforced");
universe@63 280 UCX_TEST_ASSERT(dst->size == 5, "wrong size for new buffer");
universe@62 281 char rb[5];
universe@62 282 ucx_buffer_read(rb, 1, 5, dst);
universe@62 283 UCX_TEST_ASSERT(memcmp(rb, "is a ", 5) == 0,
universe@62 284 "new buffer has incorrect content");
universe@62 285
universe@62 286 UCX_TEST_ASSERT(ucx_buffer_extract(dst, 3, 3, UCX_BUFFER_DEFAULT) == NULL,
universe@62 287 "extract shall fail on invalid bounds");
universe@62 288
universe@62 289 UCX_TEST_END
universe@62 290
universe@62 291 ucx_buffer_free(dst);
universe@62 292 ucx_buffer_free(src);
universe@62 293 }
olaf@76 294
olaf@76 295 UCX_TEST_IMPLEMENT(test_ucx_buffer_generic_copy) {
olaf@76 296 UcxBuffer *b1 = ucx_buffer_new(NULL, 64, UCX_BUFFER_DEFAULT);
olaf@76 297 UcxBuffer *b2 = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
olaf@76 298
olaf@76 299 UCX_TEST_BEGIN
olaf@76 300
olaf@76 301 ucx_buffer_write("01234567", 1, 8, b1);
olaf@76 302 ucx_buffer_write("abcdefgh", 1, 8, b1);
olaf@76 303 UCX_TEST_ASSERT(b1->size == 16, "failed to fill buffer b1");
olaf@76 304 ucx_buffer_seek(b1, 0, SEEK_SET);
olaf@76 305
olaf@76 306 size_t ncp = ucx_buffer_copy(b1, b2, ucx_buffer_read, ucx_buffer_write);
olaf@76 307 UCX_TEST_ASSERT(ncp == 16, "wrong number of copied bytes");
olaf@76 308 UCX_TEST_ASSERT(b2->size == 16, "b2 has wrong size");
olaf@76 309 UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,
olaf@76 310 "b1 and b2 have not the same content");
olaf@76 311
olaf@76 312 memset(b2->space, 0, b2->capacity);
olaf@76 313 b2->pos = 0;
olaf@76 314 b2->size = 0;
olaf@76 315 ucx_buffer_seek(b1, 0, SEEK_SET);
olaf@76 316
olaf@76 317 FILE *file = tmpfile();
olaf@76 318 UCX_TEST_ASSERT(file, "test file cannot be opened, test aborted");
olaf@76 319
olaf@76 320 ncp = ucx_buffer_copy(b1, file, ucx_buffer_read, fwrite);
olaf@76 321 UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes to file");
olaf@76 322
olaf@76 323 fseek(file, 0, SEEK_SET);
olaf@76 324
olaf@76 325 ncp = ucx_buffer_copy(file, b2, fread, ucx_buffer_write);
olaf@76 326 UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes from file");
olaf@76 327
olaf@76 328 UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,
olaf@76 329 "b1 and b2 content mismatch");
olaf@76 330
olaf@76 331 fclose(file);
olaf@76 332
olaf@76 333
olaf@76 334 UCX_TEST_END
olaf@76 335
olaf@76 336 ucx_buffer_free(b1);
olaf@76 337 ucx_buffer_free(b2);
olaf@76 338 }

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