test/buffer_tests.c

Fri, 30 Nov 2012 13:10:58 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Fri, 30 Nov 2012 13:10:58 +0100
changeset 76
655020a30e77
parent 71
303dabadff1c
child 83
3b552d7a9610
permissions
-rw-r--r--

fixed buffer

universe@56 1 /*
universe@56 2 *
universe@56 3 */
universe@56 4
universe@60 5 #include "buffer_tests.h"
universe@56 6
universe@60 7 UCX_TEST_IMPLEMENT(test_ucx_buffer_seektell) {
olaf@76 8 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
olaf@76 9 b->size = 16; // less than capacity
universe@56 10 int r;
universe@56 11
universe@56 12 UCX_TEST_BEGIN
universe@56 13
universe@60 14 r = ucx_buffer_seek(b, 5, SEEK_SET);
universe@56 15 UCX_TEST_ASSERT(r == 0, "seek SET+5 failed");
universe@63 16 UCX_TEST_ASSERT(b->pos == 5, "seek SET+5 set wrong position");
universe@56 17
universe@60 18 r = ucx_buffer_seek(b, 20, SEEK_SET);
universe@56 19 UCX_TEST_ASSERT(r != 0, "seek beyond bounds shall fail");
universe@63 20 UCX_TEST_ASSERT(b->pos == 5,
universe@56 21 "failed seek shall leave pos unchanged");
universe@56 22
universe@60 23 r = ucx_buffer_seek(b, 5, SEEK_CUR);
universe@56 24 UCX_TEST_ASSERT(r == 0, "seek CUR+5 failed");
universe@63 25 UCX_TEST_ASSERT(b->pos == 10, "seek CUR+5 set wrong position");
universe@56 26
universe@60 27 r = ucx_buffer_seek(b, 10, SEEK_CUR);
universe@56 28 UCX_TEST_ASSERT(r != 0, "seek CUR beyond bounds shall fail");
universe@63 29 UCX_TEST_ASSERT(b->pos == 10,
universe@56 30 "failed seek shall leave pos unchanged");
universe@56 31
universe@60 32 r = ucx_buffer_seek(b, -5, SEEK_END);
universe@56 33 UCX_TEST_ASSERT(r == 0, "seek END-5 failed");
olaf@76 34 UCX_TEST_ASSERT(b->pos == 11, "seek END-5 set wrong position");
universe@56 35
olaf@76 36 r = ucx_buffer_seek(b, -20, SEEK_END);
universe@56 37 UCX_TEST_ASSERT(r != 0, "seek END beyond bounds shall fail");
olaf@76 38 UCX_TEST_ASSERT(b->pos == 11,
universe@56 39 "failed seek shall leave pos unchanged");
universe@56 40
universe@56 41 UCX_TEST_END
universe@56 42
universe@60 43 ucx_buffer_free(b);
olaf@76 44 }
olaf@76 45
olaf@76 46 UCX_TEST_IMPLEMENT(test_ucx_buffer_putc) {
olaf@76 47 char *buffer = (char*) malloc(16);
olaf@76 48 memset(buffer, 32, 16);
olaf@76 49
olaf@76 50 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
olaf@76 51 b->size = b->capacity;
olaf@76 52 int r;
olaf@76 53
olaf@76 54 UCX_TEST_BEGIN
olaf@76 55
olaf@76 56 ucx_buffer_putc(b, '0');
olaf@76 57 ucx_buffer_putc(b, '0');
olaf@76 58 ucx_buffer_putc(b, '0');
olaf@76 59
olaf@76 60 UCX_TEST_ASSERT(b->pos == 3, "pos wrong after first 3 puts");
olaf@76 61 ucx_buffer_seek(b, 10, SEEK_CUR);
olaf@76 62
olaf@76 63 ucx_buffer_putc(b, '0');
olaf@76 64 ucx_buffer_putc(b, '0');
olaf@76 65 ucx_buffer_putc(b, '0');
olaf@76 66
olaf@76 67 UCX_TEST_ASSERT(b->pos == 16, "pos wrong after last 3 puts");
olaf@76 68 UCX_TEST_ASSERT(ucx_buffer_eof(b), "eof not set");
olaf@76 69 UCX_TEST_ASSERT(ucx_buffer_putc(b, 48) == EOF,
olaf@76 70 "put shall return EOF when buffer is full");
olaf@76 71
olaf@76 72 ucx_buffer_seek(b, 3, SEEK_SET);
olaf@76 73 ucx_buffer_putc(b, 'a');
olaf@76 74 ucx_buffer_putc(b, 'b');
olaf@76 75 ucx_buffer_putc(b, 'c');
olaf@76 76
olaf@76 77 UCX_TEST_ASSERT(b->size == 16, "wrong size after seek and puts");
olaf@76 78 UCX_TEST_ASSERT(memcmp(buffer, "000abc 000", 16) == 0,
olaf@76 79 "buffer contains incorrect content");
olaf@76 80
olaf@76 81 UCX_TEST_END
olaf@76 82
olaf@76 83 ucx_buffer_free(b);
universe@56 84 free(buffer);
universe@56 85 }
universe@56 86
olaf@76 87 UCX_TEST_IMPLEMENT(test_ucx_buffer_putc_ax) {
olaf@76 88 UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
olaf@76 89
universe@56 90 UCX_TEST_BEGIN
olaf@76 91
olaf@76 92 ucx_buffer_putc(b, '0');
olaf@76 93 ucx_buffer_putc(b, '1');
olaf@76 94
olaf@76 95 UCX_TEST_ASSERT(b->pos == 2, "pos wrong after first 2 puts");
olaf@76 96 UCX_TEST_ASSERT(b->capacity == 2, "buffer erroneously extended");
olaf@76 97
olaf@76 98 ucx_buffer_putc(b, 'a');
olaf@76 99
olaf@76 100 UCX_TEST_ASSERT(b->pos == 3, "pos wrong after 1 put");
olaf@76 101 UCX_TEST_ASSERT(b->capacity == 4, "buffer not properly extended");
olaf@76 102 UCX_TEST_ASSERT(b->size == 3, "wrong buffer size");
olaf@76 103
olaf@76 104 UCX_TEST_ASSERT(b->space[2] == 'a', "wrong content");
olaf@76 105
universe@56 106 UCX_TEST_END
olaf@76 107
olaf@76 108
universe@56 109 }
universe@56 110
universe@60 111 UCX_TEST_IMPLEMENT(test_ucx_buffer_getc) {
universe@69 112 char *buffer = (char*) malloc(16);
universe@56 113 memset(buffer, 32, 8);
universe@56 114 for (int i = 8; i < 16 ; i++) {
universe@56 115 buffer[i] = 40+i;
universe@56 116 }
universe@56 117
universe@61 118 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
olaf@76 119 b->size = b->capacity;
universe@56 120 int r;
universe@56 121
universe@56 122 UCX_TEST_BEGIN
universe@56 123
universe@56 124 char rb[16];
universe@56 125 for (int i = 0 ; i < 16 ; i++) {
universe@63 126 UCX_TEST_ASSERT(b->pos == i, "pos wrong during read loop");
universe@60 127 UCX_TEST_ASSERT(!ucx_buffer_eof(b),
universe@56 128 "EOF shall not be set during read loop");
universe@60 129 rb[i] = ucx_buffer_getc(b);
universe@56 130 }
universe@63 131 UCX_TEST_ASSERT(b->pos == 16, "pos wrong after read loop");
universe@60 132 UCX_TEST_ASSERT(ucx_buffer_eof(b), "EOF not set");
universe@56 133 UCX_TEST_ASSERT(memcmp(rb, " 01234567", 16) == 0,
universe@56 134 "read data incorrect");
universe@56 135
universe@56 136 UCX_TEST_END
universe@56 137
universe@60 138 ucx_buffer_free(b);
universe@56 139 free(buffer);
universe@56 140 }
universe@56 141
universe@60 142 UCX_TEST_IMPLEMENT(test_ucx_buffer_write) {
universe@69 143 char *buffer = (char*) malloc(16);
universe@56 144 memset(buffer, 32, 8);
universe@56 145 for (int i = 8; i < 16 ; i++) {
universe@56 146 buffer[i] = 40+i;
universe@56 147 }
universe@56 148
universe@61 149 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
universe@56 150 int r;
universe@56 151
universe@56 152 UCX_TEST_BEGIN
universe@56 153
universe@69 154 const char* teststring = "this is way too much";
universe@69 155 r = ucx_buffer_write((void*)teststring, 1, 20, b);
universe@56 156 UCX_TEST_ASSERT(r == 16, "string not correctly trimed");
universe@56 157 UCX_TEST_ASSERT(memcmp(buffer, teststring, 16) == 0,
universe@56 158 "buffer data incorrect");
universe@60 159 UCX_TEST_ASSERT(ucx_buffer_eof(b), "eof shall be set");
universe@56 160
universe@60 161 ucx_buffer_seek(b, 8, SEEK_SET);
universe@71 162 r = ucx_buffer_write((void*)"not", 1, 3, b);
universe@56 163 UCX_TEST_ASSERT(r == 3, "three bytes should be replace");
universe@56 164 UCX_TEST_ASSERT(memcmp(buffer, "this is not too much", 16) == 0,
universe@56 165 "modified buffer is incorrect");
universe@56 166
universe@69 167 const char* threebytestring = " t h r e e ";
universe@56 168 memset(buffer, 49, 16);
universe@60 169 ucx_buffer_seek(b, 0, SEEK_SET);
universe@69 170 r = ucx_buffer_write((void*)threebytestring, 3, 6, b);
olaf@76 171 UCX_TEST_ASSERT(r == 5, "three byte string not correctly trimed");
universe@63 172 UCX_TEST_ASSERT(b->pos == 15,
universe@56 173 "position after write of three byte string incorrect");
universe@60 174 UCX_TEST_ASSERT(!ucx_buffer_eof(b), "eof shall not be set");
universe@56 175 UCX_TEST_ASSERT(memcmp(buffer, " t h r e e1", 16) == 0,
universe@56 176 "bufer is incorrect after three byte string has been written");
universe@56 177
universe@56 178 UCX_TEST_END
universe@56 179
universe@60 180 ucx_buffer_free(b);
universe@56 181 free(buffer);
universe@56 182 }
universe@56 183
universe@64 184 UCX_TEST_IMPLEMENT(test_ucx_buffer_write_ax) {
olaf@76 185 char *buffer = (char*) malloc(16);
universe@64 186
universe@64 187 UcxBuffer *b = ucx_buffer_new(buffer, 16,
universe@64 188 UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE);
universe@64 189 int r;
universe@64 190
universe@64 191 UCX_TEST_BEGIN
universe@64 192
universe@69 193 const char* teststring = "this is way too much";
universe@69 194 r = ucx_buffer_write((void*)teststring, 1, 20, b);
universe@69 195 buffer = (char*) b->space; /*autoextend enabled, we MUST retrieve pointer*/
universe@64 196 UCX_TEST_ASSERT(r == 20, "not all characters written");
olaf@76 197 UCX_TEST_ASSERT(b->capacity == 32, "buffer not properly extended");
universe@64 198 UCX_TEST_ASSERT(b->pos == 20, "position incorrect");
universe@64 199 UCX_TEST_ASSERT(memcmp(buffer,
universe@64 200 "this is way too much\0\0\0\0\0\0\0\0\0\0\0\0", 32) == 0,
universe@64 201 "incorrect buffer content");
universe@64 202
universe@64 203 UCX_TEST_END
universe@64 204
universe@64 205 ucx_buffer_free(b);
universe@64 206 }
universe@64 207
universe@60 208 UCX_TEST_IMPLEMENT(test_ucx_buffer_read) {
olaf@76 209 UcxBuffer *b = ucx_buffer_new(NULL, 8, UCX_BUFFER_AUTOFREE);
olaf@76 210
olaf@76 211 char buf[32];
olaf@76 212 memset(buf, 'X', 32);
universe@56 213 int r;
olaf@76 214
universe@56 215 UCX_TEST_BEGIN
olaf@76 216
olaf@76 217 ucx_buffer_write("01234567", 1, 8, b);
olaf@76 218 UCX_TEST_ASSERT(b->pos == 8, "buffer not correctly filled");
olaf@76 219 b->pos = 0;
olaf@76 220
olaf@76 221 r = ucx_buffer_read(buf, 1, 2, b);
olaf@76 222 UCX_TEST_ASSERT(r == 2, "wrong number of bytes read");
olaf@76 223 UCX_TEST_ASSERT(buf[0] == '0' && buf[1] == '1' && buf[2] == 'X',
universe@56 224 "buffer incorrect after first read");
olaf@76 225
olaf@76 226 r = ucx_buffer_read(buf + 2, 1, 8, b);
olaf@76 227 UCX_TEST_ASSERT(r == 6, "wrong number of bytes read(2)");
olaf@76 228 UCX_TEST_ASSERT(memcmp(buf, "01234567XX", 10) == 0,
olaf@76 229 "buffer incorrect after second read");
olaf@76 230
olaf@76 231 memset(buf, 'X', 32);
universe@60 232 ucx_buffer_seek(b, 0, SEEK_SET);
olaf@76 233 r = ucx_buffer_read(buf, 3, 3, b);
olaf@76 234
olaf@76 235 UCX_TEST_ASSERT(r == 2, "wrong number of blocks read");
olaf@76 236 UCX_TEST_ASSERT(memcmp(buf, "012345XX", 8) == 0,
olaf@76 237 "buffer incorrect after three byte read");
olaf@76 238
olaf@76 239
universe@56 240 UCX_TEST_END
olaf@76 241
olaf@76 242
universe@56 243 }
universe@62 244
universe@62 245 UCX_TEST_IMPLEMENT(test_ucx_buffer_extract) {
universe@69 246 char *buffer = (char*) malloc(16);
universe@62 247 strcpy(buffer, "this is a test!");
universe@62 248
olaf@76 249 UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);
olaf@76 250 src->size = 15;
olaf@76 251 UcxBuffer *dst = ucx_buffer_extract(src, 5, 5, UCX_BUFFER_DEFAULT);
universe@62 252
universe@62 253 UCX_TEST_BEGIN
olaf@76 254 UCX_TEST_ASSERT(dst != NULL, "ucx_buffer_extract returned NULL");
olaf@76 255
universe@63 256 UCX_TEST_ASSERT((dst->flags & UCX_BUFFER_AUTOFREE) == UCX_BUFFER_AUTOFREE,
universe@62 257 "autofree flag shall be enforced");
universe@63 258 UCX_TEST_ASSERT(dst->size == 5, "wrong size for new buffer");
universe@62 259 char rb[5];
universe@62 260 ucx_buffer_read(rb, 1, 5, dst);
universe@62 261 UCX_TEST_ASSERT(memcmp(rb, "is a ", 5) == 0,
universe@62 262 "new buffer has incorrect content");
universe@62 263
universe@62 264 UCX_TEST_ASSERT(ucx_buffer_extract(dst, 3, 3, UCX_BUFFER_DEFAULT) == NULL,
universe@62 265 "extract shall fail on invalid bounds");
universe@62 266
universe@62 267 UCX_TEST_END
universe@62 268
universe@62 269 ucx_buffer_free(dst);
universe@62 270 ucx_buffer_free(src);
universe@62 271 }
olaf@76 272
olaf@76 273 UCX_TEST_IMPLEMENT(test_ucx_buffer_generic_copy) {
olaf@76 274 UcxBuffer *b1 = ucx_buffer_new(NULL, 64, UCX_BUFFER_DEFAULT);
olaf@76 275 UcxBuffer *b2 = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
olaf@76 276
olaf@76 277 UCX_TEST_BEGIN
olaf@76 278
olaf@76 279 ucx_buffer_write("01234567", 1, 8, b1);
olaf@76 280 ucx_buffer_write("abcdefgh", 1, 8, b1);
olaf@76 281 UCX_TEST_ASSERT(b1->size == 16, "failed to fill buffer b1");
olaf@76 282 ucx_buffer_seek(b1, 0, SEEK_SET);
olaf@76 283
olaf@76 284 size_t ncp = ucx_buffer_copy(b1, b2, ucx_buffer_read, ucx_buffer_write);
olaf@76 285 UCX_TEST_ASSERT(ncp == 16, "wrong number of copied bytes");
olaf@76 286 UCX_TEST_ASSERT(b2->size == 16, "b2 has wrong size");
olaf@76 287 UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,
olaf@76 288 "b1 and b2 have not the same content");
olaf@76 289
olaf@76 290 memset(b2->space, 0, b2->capacity);
olaf@76 291 b2->pos = 0;
olaf@76 292 b2->size = 0;
olaf@76 293 ucx_buffer_seek(b1, 0, SEEK_SET);
olaf@76 294
olaf@76 295 FILE *file = tmpfile();
olaf@76 296 UCX_TEST_ASSERT(file, "test file cannot be opened, test aborted");
olaf@76 297
olaf@76 298 ncp = ucx_buffer_copy(b1, file, ucx_buffer_read, fwrite);
olaf@76 299 UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes to file");
olaf@76 300
olaf@76 301 fseek(file, 0, SEEK_SET);
olaf@76 302
olaf@76 303 ncp = ucx_buffer_copy(file, b2, fread, ucx_buffer_write);
olaf@76 304 UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes from file");
olaf@76 305
olaf@76 306 UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,
olaf@76 307 "b1 and b2 content mismatch");
olaf@76 308
olaf@76 309 fclose(file);
olaf@76 310
olaf@76 311
olaf@76 312 UCX_TEST_END
olaf@76 313
olaf@76 314 ucx_buffer_free(b1);
olaf@76 315 ucx_buffer_free(b2);
olaf@76 316 }

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