1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ 2 /* dbus-string-util.c Would be in dbus-string.c, but not used in libdbus 3 * 4 * Copyright (C) 2002, 2003, 2004, 2005 Red Hat, Inc. 5 * Copyright (C) 2006 Ralf Habacker <ralf.habacker (at) freenet.de> 6 * 7 * Licensed under the Academic Free License version 2.1 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 * 23 */ 24 25 #include <config.h> 26 #include "dbus-internals.h" 27 #include "dbus-string.h" 28 #define DBUS_CAN_USE_DBUS_STRING_PRIVATE 1 29 #include "dbus-string-private.h" 30 31 /** 32 * @addtogroup DBusString 33 * @{ 34 */ 35 36 /** 37 * Returns whether a string ends with the given suffix 38 * 39 * @todo memcmp might make this faster. 40 * 41 * @param a the string 42 * @param c_str the C-style string 43 * @returns #TRUE if the string ends with the suffix 44 */ 45 dbus_bool_t 46 _dbus_string_ends_with_c_str (const DBusString *a, 47 const char *c_str) 48 { 49 const unsigned char *ap; 50 const unsigned char *bp; 51 const unsigned char *a_end; 52 unsigned long c_str_len; 53 const DBusRealString *real_a = (const DBusRealString*) a; 54 DBUS_GENERIC_STRING_PREAMBLE (real_a); 55 _dbus_assert (c_str != NULL); 56 57 c_str_len = strlen (c_str); 58 if (((unsigned long)real_a->len) < c_str_len) 59 return FALSE; 60 61 ap = real_a->str + (real_a->len - c_str_len); 62 bp = (const unsigned char*) c_str; 63 a_end = real_a->str + real_a->len; 64 while (ap != a_end) 65 { 66 if (*ap != *bp) 67 return FALSE; 68 69 ++ap; 70 ++bp; 71 } 72 73 _dbus_assert (*ap == '\0'); 74 _dbus_assert (*bp == '\0'); 75 76 return TRUE; 77 } 78 79 /** 80 * Find the given byte scanning backward from the given start. 81 * Sets *found to -1 if the byte is not found. 82 * 83 * @param str the string 84 * @param start the place to start scanning (will not find the byte at this point) 85 * @param byte the byte to find 86 * @param found return location for where it was found 87 * @returns #TRUE if found 88 */ 89 dbus_bool_t 90 _dbus_string_find_byte_backward (const DBusString *str, 91 int start, 92 unsigned char byte, 93 int *found) 94 { 95 int i; 96 DBUS_CONST_STRING_PREAMBLE (str); 97 _dbus_assert (start <= real->len); 98 _dbus_assert (start >= 0); 99 _dbus_assert (found != NULL); 100 101 i = start - 1; 102 while (i >= 0) 103 { 104 if (real->str[i] == byte) 105 break; 106 107 --i; 108 } 109 110 if (found) 111 *found = i; 112 113 return i >= 0; 114 } 115 116 /** @} */ 117 118 #ifdef DBUS_BUILD_TESTS 119 #include "dbus-test.h" 120 #include <stdio.h> 121 122 static void 123 test_max_len (DBusString *str, 124 int max_len) 125 { 126 if (max_len > 0) 127 { 128 if (!_dbus_string_set_length (str, max_len - 1)) 129 _dbus_assert_not_reached ("setting len to one less than max should have worked"); 130 } 131 132 if (!_dbus_string_set_length (str, max_len)) 133 _dbus_assert_not_reached ("setting len to max len should have worked"); 134 135 if (_dbus_string_set_length (str, max_len + 1)) 136 _dbus_assert_not_reached ("setting len to one more than max len should not have worked"); 137 138 if (!_dbus_string_set_length (str, 0)) 139 _dbus_assert_not_reached ("setting len to zero should have worked"); 140 } 141 142 static void 143 test_hex_roundtrip (const unsigned char *data, 144 int len) 145 { 146 DBusString orig; 147 DBusString encoded; 148 DBusString decoded; 149 int end; 150 151 if (len < 0) 152 len = strlen (data); 153 154 if (!_dbus_string_init (&orig)) 155 _dbus_assert_not_reached ("could not init string"); 156 157 if (!_dbus_string_init (&encoded)) 158 _dbus_assert_not_reached ("could not init string"); 159 160 if (!_dbus_string_init (&decoded)) 161 _dbus_assert_not_reached ("could not init string"); 162 163 if (!_dbus_string_append_len (&orig, data, len)) 164 _dbus_assert_not_reached ("couldn't append orig data"); 165 166 if (!_dbus_string_hex_encode (&orig, 0, &encoded, 0)) 167 _dbus_assert_not_reached ("could not encode"); 168 169 if (!_dbus_string_hex_decode (&encoded, 0, &end, &decoded, 0)) 170 _dbus_assert_not_reached ("could not decode"); 171 172 _dbus_assert (_dbus_string_get_length (&encoded) == end); 173 174 if (!_dbus_string_equal (&orig, &decoded)) 175 { 176 const char *s; 177 178 printf ("Original string %d bytes encoded %d bytes decoded %d bytes\n", 179 _dbus_string_get_length (&orig), 180 _dbus_string_get_length (&encoded), 181 _dbus_string_get_length (&decoded)); 182 printf ("Original: %s\n", data); 183 s = _dbus_string_get_const_data (&decoded); 184 printf ("Decoded: %s\n", s); 185 _dbus_assert_not_reached ("original string not the same as string decoded from hex"); 186 } 187 188 _dbus_string_free (&orig); 189 _dbus_string_free (&encoded); 190 _dbus_string_free (&decoded); 191 } 192 193 typedef void (* TestRoundtripFunc) (const unsigned char *data, 194 int len); 195 static void 196 test_roundtrips (TestRoundtripFunc func) 197 { 198 (* func) ("Hello this is a string\n", -1); 199 (* func) ("Hello this is a string\n1", -1); 200 (* func) ("Hello this is a string\n12", -1); 201 (* func) ("Hello this is a string\n123", -1); 202 (* func) ("Hello this is a string\n1234", -1); 203 (* func) ("Hello this is a string\n12345", -1); 204 (* func) ("", 0); 205 (* func) ("1", 1); 206 (* func) ("12", 2); 207 (* func) ("123", 3); 208 (* func) ("1234", 4); 209 (* func) ("12345", 5); 210 (* func) ("", 1); 211 (* func) ("1", 2); 212 (* func) ("12", 3); 213 (* func) ("123", 4); 214 (* func) ("1234", 5); 215 (* func) ("12345", 6); 216 { 217 unsigned char buf[512]; 218 int i; 219 220 i = 0; 221 while (i < _DBUS_N_ELEMENTS (buf)) 222 { 223 buf[i] = i; 224 ++i; 225 } 226 i = 0; 227 while (i < _DBUS_N_ELEMENTS (buf)) 228 { 229 (* func) (buf, i); 230 ++i; 231 } 232 } 233 } 234 235 #ifdef DBUS_BUILD_TESTS 236 /* The max length thing is sort of a historical artifact 237 * from a feature that turned out to be dumb; perhaps 238 * we should purge it entirely. The problem with 239 * the feature is that it looks like memory allocation 240 * failure, but is not a transient or resolvable failure. 241 */ 242 static void 243 set_max_length (DBusString *str, 244 int max_length) 245 { 246 DBusRealString *real; 247 248 real = (DBusRealString*) str; 249 250 real->max_length = max_length; 251 } 252 #endif /* DBUS_BUILD_TESTS */ 253 254 /** 255 * @ingroup DBusStringInternals 256 * Unit test for DBusString. 257 * 258 * @todo Need to write tests for _dbus_string_copy() and 259 * _dbus_string_move() moving to/from each of start/middle/end of a 260 * string. Also need tests for _dbus_string_move_len () 261 * 262 * @returns #TRUE on success. 263 */ 264 dbus_bool_t 265 _dbus_string_test (void) 266 { 267 DBusString str; 268 DBusString other; 269 int i, end; 270 long v; 271 double d; 272 int lens[] = { 0, 1, 2, 3, 4, 5, 10, 16, 17, 18, 25, 31, 32, 33, 34, 35, 63, 64, 65, 66, 67, 68, 69, 70, 71, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136 }; 273 char *s; 274 dbus_unichar_t ch; 275 276 i = 0; 277 while (i < _DBUS_N_ELEMENTS (lens)) 278 { 279 if (!_dbus_string_init (&str)) 280 _dbus_assert_not_reached ("failed to init string"); 281 282 set_max_length (&str, lens[i]); 283 284 test_max_len (&str, lens[i]); 285 _dbus_string_free (&str); 286 287 ++i; 288 } 289 290 /* Test shortening and setting length */ 291 i = 0; 292 while (i < _DBUS_N_ELEMENTS (lens)) 293 { 294 int j; 295 296 if (!_dbus_string_init (&str)) 297 _dbus_assert_not_reached ("failed to init string"); 298 299 set_max_length (&str, lens[i]); 300 301 if (!_dbus_string_set_length (&str, lens[i])) 302 _dbus_assert_not_reached ("failed to set string length"); 303 304 j = lens[i]; 305 while (j > 0) 306 { 307 _dbus_assert (_dbus_string_get_length (&str) == j); 308 if (j > 0) 309 { 310 _dbus_string_shorten (&str, 1); 311 _dbus_assert (_dbus_string_get_length (&str) == (j - 1)); 312 } 313 --j; 314 } 315 316 _dbus_string_free (&str); 317 318 ++i; 319 } 320 321 /* Test equality */ 322 if (!_dbus_string_init (&str)) 323 _dbus_assert_not_reached ("oom"); 324 325 if (!_dbus_string_append (&str, "Hello World")) 326 _dbus_assert_not_reached ("oom"); 327 328 _dbus_string_init_const (&other, "H"); 329 _dbus_assert (_dbus_string_equal_substring (&str, 0, 1, &other, 0)); 330 _dbus_assert (_dbus_string_equal_substring (&str, 1, 0, &other, 1)); 331 _dbus_string_init_const (&other, "Hello"); 332 _dbus_assert (_dbus_string_equal_substring (&str, 0, 5, &other, 0)); 333 _dbus_assert (_dbus_string_equal_substring (&str, 1, 4, &other, 1)); 334 _dbus_assert (_dbus_string_equal_substring (&str, 2, 3, &other, 2)); 335 _dbus_assert (_dbus_string_equal_substring (&str, 3, 2, &other, 3)); 336 _dbus_assert (_dbus_string_equal_substring (&str, 4, 1, &other, 4)); 337 _dbus_assert (_dbus_string_equal_substring (&str, 5, 0, &other, 5)); 338 339 _dbus_assert (_dbus_string_equal_substring (&other, 0, 5, &str, 0)); 340 _dbus_assert (_dbus_string_equal_substring (&other, 1, 4, &str, 1)); 341 _dbus_assert (_dbus_string_equal_substring (&other, 2, 3, &str, 2)); 342 _dbus_assert (_dbus_string_equal_substring (&other, 3, 2, &str, 3)); 343 _dbus_assert (_dbus_string_equal_substring (&other, 4, 1, &str, 4)); 344 _dbus_assert (_dbus_string_equal_substring (&other, 5, 0, &str, 5)); 345 346 347 _dbus_string_init_const (&other, "World"); 348 _dbus_assert (_dbus_string_equal_substring (&str, 6, 5, &other, 0)); 349 _dbus_assert (_dbus_string_equal_substring (&str, 7, 4, &other, 1)); 350 _dbus_assert (_dbus_string_equal_substring (&str, 8, 3, &other, 2)); 351 _dbus_assert (_dbus_string_equal_substring (&str, 9, 2, &other, 3)); 352 _dbus_assert (_dbus_string_equal_substring (&str, 10, 1, &other, 4)); 353 _dbus_assert (_dbus_string_equal_substring (&str, 11, 0, &other, 5)); 354 355 _dbus_assert (_dbus_string_equal_substring (&other, 0, 5, &str, 6)); 356 _dbus_assert (_dbus_string_equal_substring (&other, 1, 4, &str, 7)); 357 _dbus_assert (_dbus_string_equal_substring (&other, 2, 3, &str, 8)); 358 _dbus_assert (_dbus_string_equal_substring (&other, 3, 2, &str, 9)); 359 _dbus_assert (_dbus_string_equal_substring (&other, 4, 1, &str, 10)); 360 _dbus_assert (_dbus_string_equal_substring (&other, 5, 0, &str, 11)); 361 362 _dbus_string_free (&str); 363 364 /* Test appending data */ 365 if (!_dbus_string_init (&str)) 366 _dbus_assert_not_reached ("failed to init string"); 367 368 i = 0; 369 while (i < 10) 370 { 371 if (!_dbus_string_append (&str, "a")) 372 _dbus_assert_not_reached ("failed to append string to string\n"); 373 374 _dbus_assert (_dbus_string_get_length (&str) == i * 2 + 1); 375 376 if (!_dbus_string_append_byte (&str, 'b')) 377 _dbus_assert_not_reached ("failed to append byte to string\n"); 378 379 _dbus_assert (_dbus_string_get_length (&str) == i * 2 + 2); 380 381 ++i; 382 } 383 384 _dbus_string_free (&str); 385 386 /* Check steal_data */ 387 388 if (!_dbus_string_init (&str)) 389 _dbus_assert_not_reached ("failed to init string"); 390 391 if (!_dbus_string_append (&str, "Hello World")) 392 _dbus_assert_not_reached ("could not append to string"); 393 394 i = _dbus_string_get_length (&str); 395 396 if (!_dbus_string_steal_data (&str, &s)) 397 _dbus_assert_not_reached ("failed to steal data"); 398 399 _dbus_assert (_dbus_string_get_length (&str) == 0); 400 _dbus_assert (((int)strlen (s)) == i); 401 402 dbus_free (s); 403 404 /* Check move */ 405 406 if (!_dbus_string_append (&str, "Hello World")) 407 _dbus_assert_not_reached ("could not append to string"); 408 409 i = _dbus_string_get_length (&str); 410 411 if (!_dbus_string_init (&other)) 412 _dbus_assert_not_reached ("could not init string"); 413 414 if (!_dbus_string_move (&str, 0, &other, 0)) 415 _dbus_assert_not_reached ("could not move"); 416 417 _dbus_assert (_dbus_string_get_length (&str) == 0); 418 _dbus_assert (_dbus_string_get_length (&other) == i); 419 420 if (!_dbus_string_append (&str, "Hello World")) 421 _dbus_assert_not_reached ("could not append to string"); 422 423 if (!_dbus_string_move (&str, 0, &other, _dbus_string_get_length (&other))) 424 _dbus_assert_not_reached ("could not move"); 425 426 _dbus_assert (_dbus_string_get_length (&str) == 0); 427 _dbus_assert (_dbus_string_get_length (&other) == i * 2); 428 429 if (!_dbus_string_append (&str, "Hello World")) 430 _dbus_assert_not_reached ("could not append to string"); 431 432 if (!_dbus_string_move (&str, 0, &other, _dbus_string_get_length (&other) / 2)) 433 _dbus_assert_not_reached ("could not move"); 434 435 _dbus_assert (_dbus_string_get_length (&str) == 0); 436 _dbus_assert (_dbus_string_get_length (&other) == i * 3); 437 438 _dbus_string_free (&other); 439 440 /* Check copy */ 441 442 if (!_dbus_string_append (&str, "Hello World")) 443 _dbus_assert_not_reached ("could not append to string"); 444 445 i = _dbus_string_get_length (&str); 446 447 if (!_dbus_string_init (&other)) 448 _dbus_assert_not_reached ("could not init string"); 449 450 if (!_dbus_string_copy (&str, 0, &other, 0)) 451 _dbus_assert_not_reached ("could not copy"); 452 453 _dbus_assert (_dbus_string_get_length (&str) == i); 454 _dbus_assert (_dbus_string_get_length (&other) == i); 455 456 if (!_dbus_string_copy (&str, 0, &other, _dbus_string_get_length (&other))) 457 _dbus_assert_not_reached ("could not copy"); 458 459 _dbus_assert (_dbus_string_get_length (&str) == i); 460 _dbus_assert (_dbus_string_get_length (&other) == i * 2); 461 _dbus_assert (_dbus_string_equal_c_str (&other, 462 "Hello WorldHello World")); 463 464 if (!_dbus_string_copy (&str, 0, &other, _dbus_string_get_length (&other) / 2)) 465 _dbus_assert_not_reached ("could not copy"); 466 467 _dbus_assert (_dbus_string_get_length (&str) == i); 468 _dbus_assert (_dbus_string_get_length (&other) == i * 3); 469 _dbus_assert (_dbus_string_equal_c_str (&other, 470 "Hello WorldHello WorldHello World")); 471 472 _dbus_string_free (&str); 473 _dbus_string_free (&other); 474 475 /* Check replace */ 476 477 if (!_dbus_string_init (&str)) 478 _dbus_assert_not_reached ("failed to init string"); 479 480 if (!_dbus_string_append (&str, "Hello World")) 481 _dbus_assert_not_reached ("could not append to string"); 482 483 i = _dbus_string_get_length (&str); 484 485 if (!_dbus_string_init (&other)) 486 _dbus_assert_not_reached ("could not init string"); 487 488 if (!_dbus_string_replace_len (&str, 0, _dbus_string_get_length (&str), 489 &other, 0, _dbus_string_get_length (&other))) 490 _dbus_assert_not_reached ("could not replace"); 491 492 _dbus_assert (_dbus_string_get_length (&str) == i); 493 _dbus_assert (_dbus_string_get_length (&other) == i); 494 _dbus_assert (_dbus_string_equal_c_str (&other, "Hello World")); 495 496 if (!_dbus_string_replace_len (&str, 0, _dbus_string_get_length (&str), 497 &other, 5, 1)) 498 _dbus_assert_not_reached ("could not replace center space"); 499 500 _dbus_assert (_dbus_string_get_length (&str) == i); 501 _dbus_assert (_dbus_string_get_length (&other) == i * 2 - 1); 502 _dbus_assert (_dbus_string_equal_c_str (&other, 503 "HelloHello WorldWorld")); 504 505 506 if (!_dbus_string_replace_len (&str, 1, 1, 507 &other, 508 _dbus_string_get_length (&other) - 1, 509 1)) 510 _dbus_assert_not_reached ("could not replace end character"); 511 512 _dbus_assert (_dbus_string_get_length (&str) == i); 513 _dbus_assert (_dbus_string_get_length (&other) == i * 2 - 1); 514 _dbus_assert (_dbus_string_equal_c_str (&other, 515 "HelloHello WorldWorle")); 516 517 _dbus_string_free (&str); 518 _dbus_string_free (&other); 519 520 /* Check append/get unichar */ 521 522 if (!_dbus_string_init (&str)) 523 _dbus_assert_not_reached ("failed to init string"); 524 525 ch = 0; 526 if (!_dbus_string_append_unichar (&str, 0xfffc)) 527 _dbus_assert_not_reached ("failed to append unichar"); 528 529 _dbus_string_get_unichar (&str, 0, &ch, &i); 530 531 _dbus_assert (ch == 0xfffc); 532 _dbus_assert (i == _dbus_string_get_length (&str)); 533 534 _dbus_string_free (&str); 535 536 /* Check insert/set/get byte */ 537 538 if (!_dbus_string_init (&str)) 539 _dbus_assert_not_reached ("failed to init string"); 540 541 if (!_dbus_string_append (&str, "Hello")) 542 _dbus_assert_not_reached ("failed to append Hello"); 543 544 _dbus_assert (_dbus_string_get_byte (&str, 0) == 'H'); 545 _dbus_assert (_dbus_string_get_byte (&str, 1) == 'e'); 546 _dbus_assert (_dbus_string_get_byte (&str, 2) == 'l'); 547 _dbus_assert (_dbus_string_get_byte (&str, 3) == 'l'); 548 _dbus_assert (_dbus_string_get_byte (&str, 4) == 'o'); 549 550 _dbus_string_set_byte (&str, 1, 'q'); 551 _dbus_assert (_dbus_string_get_byte (&str, 1) == 'q'); 552 553 if (!_dbus_string_insert_bytes (&str, 0, 1, 255)) 554 _dbus_assert_not_reached ("can't insert byte"); 555 556 if (!_dbus_string_insert_bytes (&str, 2, 4, 'Z')) 557 _dbus_assert_not_reached ("can't insert byte"); 558 559 if (!_dbus_string_insert_bytes (&str, _dbus_string_get_length (&str), 1, 'W')) 560 _dbus_assert_not_reached ("can't insert byte"); 561 562 _dbus_assert (_dbus_string_get_byte (&str, 0) == 255); 563 _dbus_assert (_dbus_string_get_byte (&str, 1) == 'H'); 564 _dbus_assert (_dbus_string_get_byte (&str, 2) == 'Z'); 565 _dbus_assert (_dbus_string_get_byte (&str, 3) == 'Z'); 566 _dbus_assert (_dbus_string_get_byte (&str, 4) == 'Z'); 567 _dbus_assert (_dbus_string_get_byte (&str, 5) == 'Z'); 568 _dbus_assert (_dbus_string_get_byte (&str, 6) == 'q'); 569 _dbus_assert (_dbus_string_get_byte (&str, 7) == 'l'); 570 _dbus_assert (_dbus_string_get_byte (&str, 8) == 'l'); 571 _dbus_assert (_dbus_string_get_byte (&str, 9) == 'o'); 572 _dbus_assert (_dbus_string_get_byte (&str, 10) == 'W'); 573 574 _dbus_string_free (&str); 575 576 /* Check append/parse int/double */ 577 578 if (!_dbus_string_init (&str)) 579 _dbus_assert_not_reached ("failed to init string"); 580 581 if (!_dbus_string_append_int (&str, 27)) 582 _dbus_assert_not_reached ("failed to append int"); 583 584 i = _dbus_string_get_length (&str); 585 586 if (!_dbus_string_parse_int (&str, 0, &v, &end)) 587 _dbus_assert_not_reached ("failed to parse int"); 588 589 _dbus_assert (v == 27); 590 _dbus_assert (end == i); 591 592 _dbus_string_free (&str); 593 594 if (!_dbus_string_init (&str)) 595 _dbus_assert_not_reached ("failed to init string"); 596 597 if (!_dbus_string_append_double (&str, 50.3)) 598 _dbus_assert_not_reached ("failed to append float"); 599 600 i = _dbus_string_get_length (&str); 601 602 if (!_dbus_string_parse_double (&str, 0, &d, &end)) 603 _dbus_assert_not_reached ("failed to parse float"); 604 605 _dbus_assert (d > (50.3 - 1e-6) && d < (50.3 + 1e-6)); 606 _dbus_assert (end == i); 607 608 _dbus_string_free (&str); 609 610 /* Test find */ 611 if (!_dbus_string_init (&str)) 612 _dbus_assert_not_reached ("failed to init string"); 613 614 if (!_dbus_string_append (&str, "Hello")) 615 _dbus_assert_not_reached ("couldn't append to string"); 616 617 if (!_dbus_string_find (&str, 0, "He", &i)) 618 _dbus_assert_not_reached ("didn't find 'He'"); 619 _dbus_assert (i == 0); 620 621 if (!_dbus_string_find (&str, 0, "Hello", &i)) 622 _dbus_assert_not_reached ("didn't find 'Hello'"); 623 _dbus_assert (i == 0); 624 625 if (!_dbus_string_find (&str, 0, "ello", &i)) 626 _dbus_assert_not_reached ("didn't find 'ello'"); 627 _dbus_assert (i == 1); 628 629 if (!_dbus_string_find (&str, 0, "lo", &i)) 630 _dbus_assert_not_reached ("didn't find 'lo'"); 631 _dbus_assert (i == 3); 632 633 if (!_dbus_string_find (&str, 2, "lo", &i)) 634 _dbus_assert_not_reached ("didn't find 'lo'"); 635 _dbus_assert (i == 3); 636 637 if (_dbus_string_find (&str, 4, "lo", &i)) 638 _dbus_assert_not_reached ("did find 'lo'"); 639 640 if (!_dbus_string_find (&str, 0, "l", &i)) 641 _dbus_assert_not_reached ("didn't find 'l'"); 642 _dbus_assert (i == 2); 643 644 if (!_dbus_string_find (&str, 0, "H", &i)) 645 _dbus_assert_not_reached ("didn't find 'H'"); 646 _dbus_assert (i == 0); 647 648 if (!_dbus_string_find (&str, 0, "", &i)) 649 _dbus_assert_not_reached ("didn't find ''"); 650 _dbus_assert (i == 0); 651 652 if (_dbus_string_find (&str, 0, "Hello!", NULL)) 653 _dbus_assert_not_reached ("Did find 'Hello!'"); 654 655 if (_dbus_string_find (&str, 0, "Oh, Hello", NULL)) 656 _dbus_assert_not_reached ("Did find 'Oh, Hello'"); 657 658 if (_dbus_string_find (&str, 0, "ill", NULL)) 659 _dbus_assert_not_reached ("Did find 'ill'"); 660 661 if (_dbus_string_find (&str, 0, "q", NULL)) 662 _dbus_assert_not_reached ("Did find 'q'"); 663 664 if (!_dbus_string_find_to (&str, 0, 2, "He", NULL)) 665 _dbus_assert_not_reached ("Didn't find 'He'"); 666 667 if (_dbus_string_find_to (&str, 0, 2, "Hello", NULL)) 668 _dbus_assert_not_reached ("Did find 'Hello'"); 669 670 if (!_dbus_string_find_byte_backward (&str, _dbus_string_get_length (&str), 'H', &i)) 671 _dbus_assert_not_reached ("Did not find 'H'"); 672 _dbus_assert (i == 0); 673 674 if (!_dbus_string_find_byte_backward (&str, _dbus_string_get_length (&str), 'o', &i)) 675 _dbus_assert_not_reached ("Did not find 'o'"); 676 _dbus_assert (i == _dbus_string_get_length (&str) - 1); 677 678 if (_dbus_string_find_byte_backward (&str, _dbus_string_get_length (&str) - 1, 'o', &i)) 679 _dbus_assert_not_reached ("Did find 'o'"); 680 _dbus_assert (i == -1); 681 682 if (_dbus_string_find_byte_backward (&str, 1, 'e', &i)) 683 _dbus_assert_not_reached ("Did find 'e'"); 684 _dbus_assert (i == -1); 685 686 if (!_dbus_string_find_byte_backward (&str, 2, 'e', &i)) 687 _dbus_assert_not_reached ("Didn't find 'e'"); 688 _dbus_assert (i == 1); 689 690 _dbus_string_free (&str); 691 692 /* Hex encoding */ 693 _dbus_string_init_const (&str, "cafebabe, this is a bogus hex string"); 694 if (!_dbus_string_init (&other)) 695 _dbus_assert_not_reached ("could not init string"); 696 697 if (!_dbus_string_hex_decode (&str, 0, &end, &other, 0)) 698 _dbus_assert_not_reached ("deccoded bogus hex string with no error"); 699 700 _dbus_assert (end == 8); 701 702 _dbus_string_free (&other); 703 704 test_roundtrips (test_hex_roundtrip); 705 706 _dbus_string_free (&str); 707 708 { 709 int found, found_len; 710 711 _dbus_string_init_const (&str, "012\r\n567\n90"); 712 713 if (!_dbus_string_find_eol (&str, 0, &found, &found_len) || found != 3 || found_len != 2) 714 _dbus_assert_not_reached ("Did not find '\\r\\n'"); 715 if (found != 3 || found_len != 2) 716 _dbus_assert_not_reached ("invalid return values"); 717 718 if (!_dbus_string_find_eol (&str, 5, &found, &found_len)) 719 _dbus_assert_not_reached ("Did not find '\\n'"); 720 if (found != 8 || found_len != 1) 721 _dbus_assert_not_reached ("invalid return values"); 722 723 if (_dbus_string_find_eol (&str, 9, &found, &found_len)) 724 _dbus_assert_not_reached ("Found not expected '\\n'"); 725 else if (found != 11 || found_len != 0) 726 _dbus_assert_not_reached ("invalid return values '\\n'"); 727 728 found = -1; 729 found_len = -1; 730 _dbus_string_init_const (&str, ""); 731 if (_dbus_string_find_eol (&str, 0, &found, &found_len)) 732 _dbus_assert_not_reached ("found an eol in an empty string"); 733 _dbus_assert (found == 0); 734 _dbus_assert (found_len == 0); 735 736 found = -1; 737 found_len = -1; 738 _dbus_string_init_const (&str, "foobar"); 739 if (_dbus_string_find_eol (&str, 0, &found, &found_len)) 740 _dbus_assert_not_reached ("found eol in string that lacks one"); 741 _dbus_assert (found == 6); 742 _dbus_assert (found_len == 0); 743 744 found = -1; 745 found_len = -1; 746 _dbus_string_init_const (&str, "foobar\n"); 747 if (!_dbus_string_find_eol (&str, 0, &found, &found_len)) 748 _dbus_assert_not_reached ("did not find eol in string that has one at end"); 749 _dbus_assert (found == 6); 750 _dbus_assert (found_len == 1); 751 } 752 753 { 754 DBusString line; 755 756 #define FIRST_LINE "this is a line" 757 #define SECOND_LINE "this is a second line" 758 /* third line is empty */ 759 #define THIRD_LINE "" 760 #define FOURTH_LINE "this is a fourth line" 761 762 if (!_dbus_string_init (&str)) 763 _dbus_assert_not_reached ("no memory"); 764 765 if (!_dbus_string_append (&str, FIRST_LINE "\n" SECOND_LINE "\r\n" THIRD_LINE "\n" FOURTH_LINE)) 766 _dbus_assert_not_reached ("no memory"); 767 768 if (!_dbus_string_init (&line)) 769 _dbus_assert_not_reached ("no memory"); 770 771 if (!_dbus_string_pop_line (&str, &line)) 772 _dbus_assert_not_reached ("failed to pop first line"); 773 774 _dbus_assert (_dbus_string_equal_c_str (&line, FIRST_LINE)); 775 776 if (!_dbus_string_pop_line (&str, &line)) 777 _dbus_assert_not_reached ("failed to pop second line"); 778 779 _dbus_assert (_dbus_string_equal_c_str (&line, SECOND_LINE)); 780 781 if (!_dbus_string_pop_line (&str, &line)) 782 _dbus_assert_not_reached ("failed to pop third line"); 783 784 _dbus_assert (_dbus_string_equal_c_str (&line, THIRD_LINE)); 785 786 if (!_dbus_string_pop_line (&str, &line)) 787 _dbus_assert_not_reached ("failed to pop fourth line"); 788 789 _dbus_assert (_dbus_string_equal_c_str (&line, FOURTH_LINE)); 790 791 _dbus_string_free (&str); 792 _dbus_string_free (&line); 793 } 794 795 { 796 if (!_dbus_string_init (&str)) 797 _dbus_assert_not_reached ("no memory"); 798 799 for (i = 0; i < 10000; i++) 800 if (!_dbus_string_append (&str, "abcdefghijklmnopqrstuvwxyz")) 801 _dbus_assert_not_reached ("no memory"); 802 803 if (!_dbus_string_set_length (&str, 10)) 804 _dbus_assert_not_reached ("failed to set length"); 805 806 /* actually compact */ 807 if (!_dbus_string_compact (&str, 2048)) 808 _dbus_assert_not_reached ("failed to compact after set_length"); 809 810 /* peek inside to make sure it worked */ 811 if (((DBusRealString *)&str)->allocated > 30) 812 _dbus_assert_not_reached ("compacting string didn't do anything"); 813 814 if (!_dbus_string_equal_c_str (&str, "abcdefghij")) 815 _dbus_assert_not_reached ("unexpected content after compact"); 816 817 /* compact nothing */ 818 if (!_dbus_string_compact (&str, 2048)) 819 _dbus_assert_not_reached ("failed to compact 2nd time"); 820 821 if (!_dbus_string_equal_c_str (&str, "abcdefghij")) 822 _dbus_assert_not_reached ("unexpected content after 2nd compact"); 823 824 /* and make sure it still works...*/ 825 if (!_dbus_string_append (&str, "123456")) 826 _dbus_assert_not_reached ("failed to append after compact"); 827 828 if (!_dbus_string_equal_c_str (&str, "abcdefghij123456")) 829 _dbus_assert_not_reached ("unexpected content after append"); 830 831 /* after growing automatically, this should do nothing */ 832 if (!_dbus_string_compact (&str, 20000)) 833 _dbus_assert_not_reached ("failed to compact after grow"); 834 835 /* but this one will do something */ 836 if (!_dbus_string_compact (&str, 0)) 837 _dbus_assert_not_reached ("failed to compact after grow"); 838 839 if (!_dbus_string_equal_c_str (&str, "abcdefghij123456")) 840 _dbus_assert_not_reached ("unexpected content"); 841 842 if (!_dbus_string_append (&str, "!@#$%")) 843 _dbus_assert_not_reached ("failed to append after compact"); 844 845 if (!_dbus_string_equal_c_str (&str, "abcdefghij123456!@#$%")) 846 _dbus_assert_not_reached ("unexpected content"); 847 848 _dbus_string_free (&str); 849 } 850 851 { 852 const char two_strings[] = "one\ttwo"; 853 854 if (!_dbus_string_init (&str)) 855 _dbus_assert_not_reached ("no memory"); 856 857 if (!_dbus_string_init (&other)) 858 _dbus_assert_not_reached ("no memory"); 859 860 if (!_dbus_string_append (&str, two_strings)) 861 _dbus_assert_not_reached ("no memory"); 862 863 if (!_dbus_string_split_on_byte (&str, '\t', &other)) 864 _dbus_assert_not_reached ("no memory or delimiter not found"); 865 866 if (strcmp (_dbus_string_get_data (&str), "one") != 0) 867 _dbus_assert_not_reached ("left side after split on tab is wrong"); 868 869 if (strcmp (_dbus_string_get_data (&other), "two") != 0) 870 _dbus_assert_not_reached ("right side after split on tab is wrong"); 871 872 _dbus_string_free (&str); 873 _dbus_string_free (&other); 874 } 875 876 { 877 const char upper_string[] = "TOUPPERSTRING"; 878 const char lower_string[] = "toupperstring"; 879 const char lower2_string[] = "toupperSTRING"; 880 881 if (!_dbus_string_init (&str)) 882 _dbus_assert_not_reached ("no memory"); 883 884 if (!_dbus_string_append (&str, upper_string)) 885 _dbus_assert_not_reached ("no memory"); 886 887 _dbus_string_tolower_ascii (&str, 0, _dbus_string_get_length(&str)); 888 889 if (!_dbus_string_equal_c_str (&str, lower_string)) 890 _dbus_assert_not_reached ("_dbus_string_tolower_ascii failed"); 891 892 _dbus_string_free (&str); 893 894 if (!_dbus_string_init (&str)) 895 _dbus_assert_not_reached ("no memory"); 896 897 if (!_dbus_string_append (&str, upper_string)) 898 _dbus_assert_not_reached ("no memory"); 899 900 _dbus_string_tolower_ascii (&str, 0, 7); 901 902 if (!_dbus_string_equal_c_str (&str, lower2_string)) 903 _dbus_assert_not_reached ("_dbus_string_tolower_ascii failed in partial conversion"); 904 905 _dbus_string_free (&str); 906 } 907 908 { 909 const char lower_string[] = "toupperstring"; 910 const char upper_string[] = "TOUPPERSTRING"; 911 const char upper2_string[] = "TOUPPERstring"; 912 913 if (!_dbus_string_init (&str)) 914 _dbus_assert_not_reached ("no memory"); 915 916 if (!_dbus_string_append (&str, lower_string)) 917 _dbus_assert_not_reached ("no memory"); 918 919 _dbus_string_toupper_ascii (&str, 0, _dbus_string_get_length(&str)); 920 921 if (!_dbus_string_equal_c_str (&str, upper_string)) 922 _dbus_assert_not_reached ("_dbus_string_toupper_ascii failed"); 923 924 _dbus_string_free (&str); 925 926 if (!_dbus_string_init (&str)) 927 _dbus_assert_not_reached ("no memory"); 928 929 if (!_dbus_string_append (&str, lower_string)) 930 _dbus_assert_not_reached ("no memory"); 931 932 _dbus_string_toupper_ascii (&str, 0, 7); 933 934 if (!_dbus_string_equal_c_str (&str, upper2_string)) 935 _dbus_assert_not_reached ("_dbus_string_toupper_ascii failed in partial conversion"); 936 937 _dbus_string_free (&str); 938 } 939 940 return TRUE; 941 } 942 943 #endif /* DBUS_BUILD_TESTS */ 944
