1 /* 2 * Copyright 2011 Google, Inc. 3 * 4 * This is part of HarfBuzz, a text shaping library. 5 * 6 * Permission is hereby granted, without written agreement and without 7 * license or royalty fees, to use, copy, modify, and distribute this 8 * software and its documentation for any purpose, provided that the 9 * above copyright notice and the following two paragraphs appear in 10 * all copies of this software. 11 * 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 16 * DAMAGE. 17 * 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 23 * 24 * Google Author(s): Behdad Esfahbod 25 */ 26 27 #include "hb-test.h" 28 29 /* Unit tests for hb-buffer.h */ 30 31 32 static const char utf8[10] = "ab\360\240\200\200defg"; 33 static const uint16_t utf16[8] = {'a', 'b', 0xD840, 0xDC00, 'd', 'e', 'f', 'g'}; 34 static const uint32_t utf32[7] = {'a', 'b', 0x20000, 'd', 'e', 'f', 'g'}; 35 36 37 typedef enum { 38 BUFFER_EMPTY, 39 BUFFER_ONE_BY_ONE, 40 BUFFER_UTF32, 41 BUFFER_UTF16, 42 BUFFER_UTF8, 43 BUFFER_NUM_TYPES, 44 } buffer_type_t; 45 46 static const char *buffer_names[] = { 47 "empty", 48 "one-by-one", 49 "utf32", 50 "utf16", 51 "utf8" 52 }; 53 54 typedef struct 55 { 56 hb_buffer_t *buffer; 57 } fixture_t; 58 59 static void 60 fixture_init (fixture_t *fixture, gconstpointer user_data) 61 { 62 hb_buffer_t *b; 63 unsigned int i; 64 65 b = fixture->buffer = hb_buffer_create (); 66 67 switch (GPOINTER_TO_INT (user_data)) 68 { 69 case BUFFER_EMPTY: 70 break; 71 72 case BUFFER_ONE_BY_ONE: 73 for (i = 1; i < G_N_ELEMENTS (utf32) - 1; i++) 74 hb_buffer_add (b, utf32[i], i); 75 break; 76 77 case BUFFER_UTF32: 78 hb_buffer_add_utf32 (b, utf32, G_N_ELEMENTS (utf32), 1, G_N_ELEMENTS (utf32) - 2); 79 break; 80 81 case BUFFER_UTF16: 82 hb_buffer_add_utf16 (b, utf16, G_N_ELEMENTS (utf16), 1, G_N_ELEMENTS (utf16) - 2); 83 break; 84 85 case BUFFER_UTF8: 86 hb_buffer_add_utf8 (b, utf8, G_N_ELEMENTS (utf8), 1, G_N_ELEMENTS (utf8) - 2); 87 break; 88 89 default: 90 g_assert_not_reached (); 91 } 92 } 93 94 static void 95 fixture_finish (fixture_t *fixture, gconstpointer user_data) 96 { 97 hb_buffer_destroy (fixture->buffer); 98 } 99 100 101 static void 102 test_buffer_properties (fixture_t *fixture, gconstpointer user_data) 103 { 104 hb_buffer_t *b = fixture->buffer; 105 hb_unicode_funcs_t *ufuncs; 106 107 /* test default properties */ 108 109 g_assert (hb_buffer_get_unicode_funcs (b) == hb_unicode_funcs_get_default ()); 110 g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID); 111 g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID); 112 g_assert (hb_buffer_get_language (b) == NULL); 113 114 115 /* test property changes are retained */ 116 ufuncs = hb_unicode_funcs_create (NULL); 117 hb_buffer_set_unicode_funcs (b, ufuncs); 118 hb_unicode_funcs_destroy (ufuncs); 119 g_assert (hb_buffer_get_unicode_funcs (b) == ufuncs); 120 121 hb_buffer_set_direction (b, HB_DIRECTION_RTL); 122 g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_RTL); 123 124 hb_buffer_set_script (b, HB_SCRIPT_ARABIC); 125 g_assert (hb_buffer_get_script (b) == HB_SCRIPT_ARABIC); 126 127 hb_buffer_set_language (b, hb_language_from_string ("fa", -1)); 128 g_assert (hb_buffer_get_language (b) == hb_language_from_string ("Fa", -1)); 129 130 hb_buffer_set_flags (b, HB_BUFFER_FLAG_BOT); 131 g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAG_BOT); 132 133 hb_buffer_set_replacement_codepoint (b, (unsigned int) -1); 134 g_assert (hb_buffer_get_replacement_codepoint (b) == (unsigned int) -1); 135 136 137 /* test clear_contents clears all these properties: */ 138 139 hb_buffer_clear_contents (b); 140 141 g_assert (hb_buffer_get_unicode_funcs (b) == ufuncs); 142 g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID); 143 g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID); 144 g_assert (hb_buffer_get_language (b) == NULL); 145 146 /* but not these: */ 147 148 g_assert (hb_buffer_get_flags (b) != HB_BUFFER_FLAGS_DEFAULT); 149 g_assert (hb_buffer_get_replacement_codepoint (b) != HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT); 150 151 152 /* test reset clears all properties */ 153 154 hb_buffer_set_direction (b, HB_DIRECTION_RTL); 155 g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_RTL); 156 157 hb_buffer_set_script (b, HB_SCRIPT_ARABIC); 158 g_assert (hb_buffer_get_script (b) == HB_SCRIPT_ARABIC); 159 160 hb_buffer_set_language (b, hb_language_from_string ("fa", -1)); 161 g_assert (hb_buffer_get_language (b) == hb_language_from_string ("Fa", -1)); 162 163 hb_buffer_set_flags (b, HB_BUFFER_FLAG_BOT); 164 g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAG_BOT); 165 166 hb_buffer_set_replacement_codepoint (b, (unsigned int) -1); 167 g_assert (hb_buffer_get_replacement_codepoint (b) == (unsigned int) -1); 168 169 hb_buffer_reset (b); 170 171 g_assert (hb_buffer_get_unicode_funcs (b) == hb_unicode_funcs_get_default ()); 172 g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID); 173 g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID); 174 g_assert (hb_buffer_get_language (b) == NULL); 175 g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAGS_DEFAULT); 176 g_assert (hb_buffer_get_replacement_codepoint (b) == HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT); 177 } 178 179 static void 180 test_buffer_contents (fixture_t *fixture, gconstpointer user_data) 181 { 182 hb_buffer_t *b = fixture->buffer; 183 unsigned int i, len, len2; 184 buffer_type_t buffer_type = GPOINTER_TO_INT (user_data); 185 hb_glyph_info_t *glyphs; 186 187 if (buffer_type == BUFFER_EMPTY) { 188 g_assert_cmpint (hb_buffer_get_length (b), ==, 0); 189 return; 190 } 191 192 len = hb_buffer_get_length (b); 193 hb_buffer_get_glyph_infos (b, NULL); /* test NULL */ 194 glyphs = hb_buffer_get_glyph_infos (b, &len2); 195 g_assert_cmpint (len, ==, len2); 196 g_assert_cmpint (len, ==, 5); 197 198 for (i = 0; i < len; i++) { 199 g_assert_cmphex (glyphs[i].mask, ==, 1); 200 g_assert_cmphex (glyphs[i].var1.u32, ==, 0); 201 g_assert_cmphex (glyphs[i].var2.u32, ==, 0); 202 } 203 204 for (i = 0; i < len; i++) { 205 unsigned int cluster; 206 cluster = 1+i; 207 if (i >= 2) { 208 if (buffer_type == BUFFER_UTF16) 209 cluster++; 210 else if (buffer_type == BUFFER_UTF8) 211 cluster += 3; 212 } 213 g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); 214 g_assert_cmphex (glyphs[i].cluster, ==, cluster); 215 } 216 217 /* reverse, test, and reverse back */ 218 219 hb_buffer_reverse (b); 220 for (i = 0; i < len; i++) 221 g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]); 222 223 hb_buffer_reverse (b); 224 for (i = 0; i < len; i++) 225 g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); 226 227 /* reverse_clusters works same as reverse for now since each codepoint is 228 * in its own cluster */ 229 230 hb_buffer_reverse_clusters (b); 231 for (i = 0; i < len; i++) 232 g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]); 233 234 hb_buffer_reverse_clusters (b); 235 for (i = 0; i < len; i++) 236 g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); 237 238 /* now form a cluster and test again */ 239 glyphs[2].cluster = glyphs[1].cluster; 240 241 /* reverse, test, and reverse back */ 242 243 hb_buffer_reverse (b); 244 for (i = 0; i < len; i++) 245 g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]); 246 247 hb_buffer_reverse (b); 248 for (i = 0; i < len; i++) 249 g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); 250 251 /* reverse_clusters twice still should return the original string, 252 * but when applied once, the 1-2 cluster should be retained. */ 253 254 hb_buffer_reverse_clusters (b); 255 for (i = 0; i < len; i++) { 256 unsigned int j = len-1-i; 257 if (j == 1) 258 j = 2; 259 else if (j == 2) 260 j = 1; 261 g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+j]); 262 } 263 264 hb_buffer_reverse_clusters (b); 265 for (i = 0; i < len; i++) 266 g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); 267 268 269 /* test setting length */ 270 271 /* enlarge */ 272 g_assert (hb_buffer_set_length (b, 10)); 273 glyphs = hb_buffer_get_glyph_infos (b, NULL); 274 g_assert_cmpint (hb_buffer_get_length (b), ==, 10); 275 for (i = 0; i < 5; i++) 276 g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); 277 for (i = 5; i < 10; i++) 278 g_assert_cmphex (glyphs[i].codepoint, ==, 0); 279 /* shrink */ 280 g_assert (hb_buffer_set_length (b, 3)); 281 glyphs = hb_buffer_get_glyph_infos (b, NULL); 282 g_assert_cmpint (hb_buffer_get_length (b), ==, 3); 283 for (i = 0; i < 3; i++) 284 g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); 285 286 287 g_assert (hb_buffer_allocation_successful (b)); 288 289 290 /* test reset clears content */ 291 292 hb_buffer_reset (b); 293 g_assert_cmpint (hb_buffer_get_length (b), ==, 0); 294 } 295 296 static void 297 test_buffer_positions (fixture_t *fixture, gconstpointer user_data) 298 { 299 hb_buffer_t *b = fixture->buffer; 300 unsigned int i, len, len2; 301 hb_glyph_position_t *positions; 302 303 /* Without shaping, positions should all be zero */ 304 len = hb_buffer_get_length (b); 305 hb_buffer_get_glyph_positions (b, NULL); /* test NULL */ 306 positions = hb_buffer_get_glyph_positions (b, &len2); 307 g_assert_cmpint (len, ==, len2); 308 for (i = 0; i < len; i++) { 309 g_assert_cmpint (0, ==, positions[i].x_advance); 310 g_assert_cmpint (0, ==, positions[i].y_advance); 311 g_assert_cmpint (0, ==, positions[i].x_offset); 312 g_assert_cmpint (0, ==, positions[i].y_offset); 313 g_assert_cmpint (0, ==, positions[i].var.i32); 314 } 315 316 /* test reset clears content */ 317 hb_buffer_reset (b); 318 g_assert_cmpint (hb_buffer_get_length (b), ==, 0); 319 } 320 321 static void 322 test_buffer_allocation (fixture_t *fixture, gconstpointer user_data) 323 { 324 hb_buffer_t *b = fixture->buffer; 325 326 g_assert_cmpint (hb_buffer_get_length (b), ==, 0); 327 328 g_assert (hb_buffer_pre_allocate (b, 100)); 329 g_assert_cmpint (hb_buffer_get_length (b), ==, 0); 330 g_assert (hb_buffer_allocation_successful (b)); 331 332 /* lets try a huge allocation, make sure it fails */ 333 g_assert (!hb_buffer_pre_allocate (b, (unsigned int) -1)); 334 g_assert_cmpint (hb_buffer_get_length (b), ==, 0); 335 g_assert (!hb_buffer_allocation_successful (b)); 336 337 /* small one again */ 338 g_assert (hb_buffer_pre_allocate (b, 50)); 339 g_assert_cmpint (hb_buffer_get_length (b), ==, 0); 340 g_assert (!hb_buffer_allocation_successful (b)); 341 342 hb_buffer_reset (b); 343 g_assert (hb_buffer_allocation_successful (b)); 344 345 /* all allocation and size */ 346 g_assert (!hb_buffer_pre_allocate (b, ((unsigned int) -1) / 20 + 1)); 347 g_assert (!hb_buffer_allocation_successful (b)); 348 349 hb_buffer_reset (b); 350 g_assert (hb_buffer_allocation_successful (b)); 351 352 /* technically, this one can actually pass on 64bit machines, but 353 * I'm doubtful that any malloc allows 4GB allocations at a time. 354 * But let's only enable it on a 32-bit machine. */ 355 if (sizeof (long) == 4) { 356 g_assert (!hb_buffer_pre_allocate (b, ((unsigned int) -1) / 20 - 1)); 357 g_assert (!hb_buffer_allocation_successful (b)); 358 } 359 360 hb_buffer_reset (b); 361 g_assert (hb_buffer_allocation_successful (b)); 362 } 363 364 365 typedef struct { 366 const char utf8[8]; 367 const uint32_t codepoints[8]; 368 } utf8_conversion_test_t; 369 370 /* note: we skip the first and last byte when adding to buffer */ 371 static const utf8_conversion_test_t utf8_conversion_tests[] = { 372 {"a\303\207", {-1}}, 373 {"a\303\207b", {0xC7}}, 374 {"ab\303cd", {'b', -1, 'c'}}, 375 {"ab\303\302\301cd", {'b', -1, -1, -1, 'c'}} 376 }; 377 378 static void 379 test_buffer_utf8_conversion (void) 380 { 381 hb_buffer_t *b; 382 hb_glyph_info_t *glyphs; 383 unsigned int bytes, chars, i, j, len; 384 385 b = hb_buffer_create (); 386 hb_buffer_set_replacement_codepoint (b, (hb_codepoint_t) -1); 387 388 for (i = 0; i < G_N_ELEMENTS (utf8_conversion_tests); i++) 389 { 390 const utf8_conversion_test_t *test = &utf8_conversion_tests[i]; 391 char *escaped; 392 393 escaped = g_strescape (test->utf8, NULL); 394 g_test_message ("UTF-8 test #%d: %s", i, escaped); 395 g_free (escaped); 396 397 bytes = strlen (test->utf8); 398 for (chars = 0; test->codepoints[chars]; chars++) 399 ; 400 401 hb_buffer_clear_contents (b); 402 hb_buffer_add_utf8 (b, test->utf8, bytes, 1, bytes - 2); 403 404 glyphs = hb_buffer_get_glyph_infos (b, &len); 405 g_assert_cmpint (len, ==, chars); 406 for (j = 0; j < chars; j++) 407 g_assert_cmphex (glyphs[j].codepoint, ==, test->codepoints[j]); 408 } 409 410 hb_buffer_destroy (b); 411 } 412 413 414 415 /* Following test table is adapted from glib/glib/tests/utf8-validate.c 416 * with relicensing permission from Matthias Clasen. */ 417 418 typedef struct { 419 const char *utf8; 420 int max_len; 421 unsigned int offset; 422 gboolean valid; 423 } utf8_validity_test_t; 424 425 static const utf8_validity_test_t utf8_validity_tests[] = { 426 /* some tests to check max_len handling */ 427 /* length 1 */ 428 { "abcde", -1, 5, TRUE }, 429 { "abcde", 3, 3, TRUE }, 430 { "abcde", 5, 5, TRUE }, 431 /* length 2 */ 432 { "\xc2\xa9\xc2\xa9\xc2\xa9", -1, 6, TRUE }, 433 { "\xc2\xa9\xc2\xa9\xc2\xa9", 1, 0, FALSE }, 434 { "\xc2\xa9\xc2\xa9\xc2\xa9", 2, 2, TRUE }, 435 { "\xc2\xa9\xc2\xa9\xc2\xa9", 3, 2, FALSE }, 436 { "\xc2\xa9\xc2\xa9\xc2\xa9", 4, 4, TRUE }, 437 { "\xc2\xa9\xc2\xa9\xc2\xa9", 5, 4, FALSE }, 438 { "\xc2\xa9\xc2\xa9\xc2\xa9", 6, 6, TRUE }, 439 /* length 3 */ 440 { "\xe2\x89\xa0\xe2\x89\xa0", -1, 6, TRUE }, 441 { "\xe2\x89\xa0\xe2\x89\xa0", 1, 0, FALSE }, 442 { "\xe2\x89\xa0\xe2\x89\xa0", 2, 0, FALSE }, 443 { "\xe2\x89\xa0\xe2\x89\xa0", 3, 3, TRUE }, 444 { "\xe2\x89\xa0\xe2\x89\xa0", 4, 3, FALSE }, 445 { "\xe2\x89\xa0\xe2\x89\xa0", 5, 3, FALSE }, 446 { "\xe2\x89\xa0\xe2\x89\xa0", 6, 6, TRUE }, 447 448 /* examples from http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt */ 449 /* greek 'kosme' */ 450 { "\xce\xba\xe1\xbd\xb9\xcf\x83\xce\xbc\xce\xb5", -1, 11, TRUE }, 451 /* first sequence of each length */ 452 { "\x00", -1, 0, TRUE }, 453 { "\xc2\x80", -1, 2, TRUE }, 454 { "\xe0\xa0\x80", -1, 3, TRUE }, 455 { "\xf0\x90\x80\x80", -1, 4, TRUE }, 456 { "\xf8\x88\x80\x80\x80", -1, 0, FALSE }, 457 { "\xfc\x84\x80\x80\x80\x80", -1, 0, FALSE }, 458 /* last sequence of each length */ 459 { "\x7f", -1, 1, TRUE }, 460 { "\xdf\xbf", -1, 2, TRUE }, 461 { "\xef\xbf\xbf", -1, 0, TRUE }, 462 { "\xf4\x8f\xbf\xbf", -1, 0, TRUE }, 463 { "\xf4\x90\xbf\xbf", -1, 0, FALSE }, 464 { "\xf7\xbf\xbf\xbf", -1, 0, FALSE }, 465 { "\xfb\xbf\xbf\xbf\xbf", -1, 0, FALSE }, 466 { "\xfd\xbf\xbf\xbf\xbf\xbf", -1, 0, FALSE }, 467 /* other boundary conditions */ 468 { "\xed\x9f\xbf", -1, 3, TRUE }, 469 { "\xed\xa0\x80", -1, 0, FALSE }, 470 { "\xed\xbf\xbf", -1, 0, FALSE }, 471 { "\xee\x80\x80", -1, 3, TRUE }, 472 { "\xef\xbf\xbd", -1, 3, TRUE }, 473 { "\xf4\x8f\xbf\xbf", -1, 0, TRUE }, 474 /* malformed sequences */ 475 /* continuation bytes */ 476 { "\x80", -1, 0, FALSE }, 477 { "\xbf", -1, 0, FALSE }, 478 { "\x80\xbf", -1, 0, FALSE }, 479 { "\x80\xbf\x80", -1, 0, FALSE }, 480 { "\x80\xbf\x80\xbf", -1, 0, FALSE }, 481 { "\x80\xbf\x80\xbf\x80", -1, 0, FALSE }, 482 { "\x80\xbf\x80\xbf\x80\xbf", -1, 0, FALSE }, 483 { "\x80\xbf\x80\xbf\x80\xbf\x80", -1, 0, FALSE }, 484 485 /* all possible continuation byte */ 486 { "\x80", -1, 0, FALSE }, 487 { "\x81", -1, 0, FALSE }, 488 { "\x82", -1, 0, FALSE }, 489 { "\x83", -1, 0, FALSE }, 490 { "\x84", -1, 0, FALSE }, 491 { "\x85", -1, 0, FALSE }, 492 { "\x86", -1, 0, FALSE }, 493 { "\x87", -1, 0, FALSE }, 494 { "\x88", -1, 0, FALSE }, 495 { "\x89", -1, 0, FALSE }, 496 { "\x8a", -1, 0, FALSE }, 497 { "\x8b", -1, 0, FALSE }, 498 { "\x8c", -1, 0, FALSE }, 499 { "\x8d", -1, 0, FALSE }, 500 { "\x8e", -1, 0, FALSE }, 501 { "\x8f", -1, 0, FALSE }, 502 { "\x90", -1, 0, FALSE }, 503 { "\x91", -1, 0, FALSE }, 504 { "\x92", -1, 0, FALSE }, 505 { "\x93", -1, 0, FALSE }, 506 { "\x94", -1, 0, FALSE }, 507 { "\x95", -1, 0, FALSE }, 508 { "\x96", -1, 0, FALSE }, 509 { "\x97", -1, 0, FALSE }, 510 { "\x98", -1, 0, FALSE }, 511 { "\x99", -1, 0, FALSE }, 512 { "\x9a", -1, 0, FALSE }, 513 { "\x9b", -1, 0, FALSE }, 514 { "\x9c", -1, 0, FALSE }, 515 { "\x9d", -1, 0, FALSE }, 516 { "\x9e", -1, 0, FALSE }, 517 { "\x9f", -1, 0, FALSE }, 518 { "\xa0", -1, 0, FALSE }, 519 { "\xa1", -1, 0, FALSE }, 520 { "\xa2", -1, 0, FALSE }, 521 { "\xa3", -1, 0, FALSE }, 522 { "\xa4", -1, 0, FALSE }, 523 { "\xa5", -1, 0, FALSE }, 524 { "\xa6", -1, 0, FALSE }, 525 { "\xa7", -1, 0, FALSE }, 526 { "\xa8", -1, 0, FALSE }, 527 { "\xa9", -1, 0, FALSE }, 528 { "\xaa", -1, 0, FALSE }, 529 { "\xab", -1, 0, FALSE }, 530 { "\xac", -1, 0, FALSE }, 531 { "\xad", -1, 0, FALSE }, 532 { "\xae", -1, 0, FALSE }, 533 { "\xaf", -1, 0, FALSE }, 534 { "\xb0", -1, 0, FALSE }, 535 { "\xb1", -1, 0, FALSE }, 536 { "\xb2", -1, 0, FALSE }, 537 { "\xb3", -1, 0, FALSE }, 538 { "\xb4", -1, 0, FALSE }, 539 { "\xb5", -1, 0, FALSE }, 540 { "\xb6", -1, 0, FALSE }, 541 { "\xb7", -1, 0, FALSE }, 542 { "\xb8", -1, 0, FALSE }, 543 { "\xb9", -1, 0, FALSE }, 544 { "\xba", -1, 0, FALSE }, 545 { "\xbb", -1, 0, FALSE }, 546 { "\xbc", -1, 0, FALSE }, 547 { "\xbd", -1, 0, FALSE }, 548 { "\xbe", -1, 0, FALSE }, 549 { "\xbf", -1, 0, FALSE }, 550 /* lone start characters */ 551 { "\xc0\x20", -1, 0, FALSE }, 552 { "\xc1\x20", -1, 0, FALSE }, 553 { "\xc2\x20", -1, 0, FALSE }, 554 { "\xc3\x20", -1, 0, FALSE }, 555 { "\xc4\x20", -1, 0, FALSE }, 556 { "\xc5\x20", -1, 0, FALSE }, 557 { "\xc6\x20", -1, 0, FALSE }, 558 { "\xc7\x20", -1, 0, FALSE }, 559 { "\xc8\x20", -1, 0, FALSE }, 560 { "\xc9\x20", -1, 0, FALSE }, 561 { "\xca\x20", -1, 0, FALSE }, 562 { "\xcb\x20", -1, 0, FALSE }, 563 { "\xcc\x20", -1, 0, FALSE }, 564 { "\xcd\x20", -1, 0, FALSE }, 565 { "\xce\x20", -1, 0, FALSE }, 566 { "\xcf\x20", -1, 0, FALSE }, 567 { "\xd0\x20", -1, 0, FALSE }, 568 { "\xd1\x20", -1, 0, FALSE }, 569 { "\xd2\x20", -1, 0, FALSE }, 570 { "\xd3\x20", -1, 0, FALSE }, 571 { "\xd4\x20", -1, 0, FALSE }, 572 { "\xd5\x20", -1, 0, FALSE }, 573 { "\xd6\x20", -1, 0, FALSE }, 574 { "\xd7\x20", -1, 0, FALSE }, 575 { "\xd8\x20", -1, 0, FALSE }, 576 { "\xd9\x20", -1, 0, FALSE }, 577 { "\xda\x20", -1, 0, FALSE }, 578 { "\xdb\x20", -1, 0, FALSE }, 579 { "\xdc\x20", -1, 0, FALSE }, 580 { "\xdd\x20", -1, 0, FALSE }, 581 { "\xde\x20", -1, 0, FALSE }, 582 { "\xdf\x20", -1, 0, FALSE }, 583 { "\xe0\x20", -1, 0, FALSE }, 584 { "\xe1\x20", -1, 0, FALSE }, 585 { "\xe2\x20", -1, 0, FALSE }, 586 { "\xe3\x20", -1, 0, FALSE }, 587 { "\xe4\x20", -1, 0, FALSE }, 588 { "\xe5\x20", -1, 0, FALSE }, 589 { "\xe6\x20", -1, 0, FALSE }, 590 { "\xe7\x20", -1, 0, FALSE }, 591 { "\xe8\x20", -1, 0, FALSE }, 592 { "\xe9\x20", -1, 0, FALSE }, 593 { "\xea\x20", -1, 0, FALSE }, 594 { "\xeb\x20", -1, 0, FALSE }, 595 { "\xec\x20", -1, 0, FALSE }, 596 { "\xed\x20", -1, 0, FALSE }, 597 { "\xee\x20", -1, 0, FALSE }, 598 { "\xef\x20", -1, 0, FALSE }, 599 { "\xf0\x20", -1, 0, FALSE }, 600 { "\xf1\x20", -1, 0, FALSE }, 601 { "\xf2\x20", -1, 0, FALSE }, 602 { "\xf3\x20", -1, 0, FALSE }, 603 { "\xf4\x20", -1, 0, FALSE }, 604 { "\xf5\x20", -1, 0, FALSE }, 605 { "\xf6\x20", -1, 0, FALSE }, 606 { "\xf7\x20", -1, 0, FALSE }, 607 { "\xf8\x20", -1, 0, FALSE }, 608 { "\xf9\x20", -1, 0, FALSE }, 609 { "\xfa\x20", -1, 0, FALSE }, 610 { "\xfb\x20", -1, 0, FALSE }, 611 { "\xfc\x20", -1, 0, FALSE }, 612 { "\xfd\x20", -1, 0, FALSE }, 613 /* missing continuation bytes */ 614 { "\x20\xc0", -1, 1, FALSE }, 615 { "\x20\xe0\x80", -1, 1, FALSE }, 616 { "\x20\xf0\x80\x80", -1, 1, FALSE }, 617 { "\x20\xf8\x80\x80\x80", -1, 1, FALSE }, 618 { "\x20\xfc\x80\x80\x80\x80", -1, 1, FALSE }, 619 { "\x20\xdf", -1, 1, FALSE }, 620 { "\x20\xef\xbf", -1, 1, FALSE }, 621 { "\x20\xf7\xbf\xbf", -1, 1, FALSE }, 622 { "\x20\xfb\xbf\xbf\xbf", -1, 1, FALSE }, 623 { "\x20\xfd\xbf\xbf\xbf\xbf", -1, 1, FALSE }, 624 /* impossible bytes */ 625 { "\x20\xfe\x20", -1, 1, FALSE }, 626 { "\x20\xff\x20", -1, 1, FALSE }, 627 /* overlong sequences */ 628 { "\x20\xc0\xaf\x20", -1, 1, FALSE }, 629 { "\x20\xe0\x80\xaf\x20", -1, 1, FALSE }, 630 { "\x20\xf0\x80\x80\xaf\x20", -1, 1, FALSE }, 631 { "\x20\xf8\x80\x80\x80\xaf\x20", -1, 1, FALSE }, 632 { "\x20\xfc\x80\x80\x80\x80\xaf\x20", -1, 1, FALSE }, 633 { "\x20\xc1\xbf\x20", -1, 1, FALSE }, 634 { "\x20\xe0\x9f\xbf\x20", -1, 1, FALSE }, 635 { "\x20\xf0\x8f\xbf\xbf\x20", -1, 1, FALSE }, 636 { "\x20\xf8\x87\xbf\xbf\xbf\x20", -1, 1, FALSE }, 637 { "\x20\xfc\x83\xbf\xbf\xbf\xbf\x20", -1, 1, FALSE }, 638 { "\x20\xc0\x80\x20", -1, 1, FALSE }, 639 { "\x20\xe0\x80\x80\x20", -1, 1, FALSE }, 640 { "\x20\xf0\x80\x80\x80\x20", -1, 1, FALSE }, 641 { "\x20\xf8\x80\x80\x80\x80\x20", -1, 1, FALSE }, 642 { "\x20\xfc\x80\x80\x80\x80\x80\x20", -1, 1, FALSE }, 643 /* illegal code positions */ 644 { "\x20\xed\xa0\x80\x20", -1, 1, FALSE }, 645 { "\x20\xed\xad\xbf\x20", -1, 1, FALSE }, 646 { "\x20\xed\xae\x80\x20", -1, 1, FALSE }, 647 { "\x20\xed\xaf\xbf\x20", -1, 1, FALSE }, 648 { "\x20\xed\xb0\x80\x20", -1, 1, FALSE }, 649 { "\x20\xed\xbe\x80\x20", -1, 1, FALSE }, 650 { "\x20\xed\xbf\xbf\x20", -1, 1, FALSE }, 651 { "\x20\xed\xa0\x80\xed\xb0\x80\x20", -1, 1, FALSE }, 652 { "\x20\xed\xa0\x80\xed\xbf\xbf\x20", -1, 1, FALSE }, 653 { "\x20\xed\xad\xbf\xed\xb0\x80\x20", -1, 1, FALSE }, 654 { "\x20\xed\xad\xbf\xed\xbf\xbf\x20", -1, 1, FALSE }, 655 { "\x20\xed\xae\x80\xed\xb0\x80\x20", -1, 1, FALSE }, 656 { "\x20\xed\xae\x80\xed\xbf\xbf\x20", -1, 1, FALSE }, 657 { "\x20\xed\xaf\xbf\xed\xb0\x80\x20", -1, 1, FALSE }, 658 { "\x20\xed\xaf\xbf\xed\xbf\xbf\x20", -1, 1, FALSE }, 659 #if 0 /* We don't consider U+FFFE / U+FFFF and similar invalid. */ 660 { "\x20\xef\xbf\xbe\x20", -1, 1, FALSE }, 661 { "\x20\xef\xbf\xbf\x20", -1, 1, FALSE }, 662 #endif 663 { "", -1, 0, TRUE } 664 }; 665 666 static void 667 test_buffer_utf8_validity (void) 668 { 669 hb_buffer_t *b; 670 unsigned int i; 671 672 b = hb_buffer_create (); 673 hb_buffer_set_replacement_codepoint (b, (hb_codepoint_t) -1); 674 675 for (i = 0; i < G_N_ELEMENTS (utf8_validity_tests); i++) 676 { 677 const utf8_validity_test_t *test = &utf8_validity_tests[i]; 678 unsigned int text_bytes, segment_bytes, j, len; 679 hb_glyph_info_t *glyphs; 680 char *escaped; 681 682 escaped = g_strescape (test->utf8, NULL); 683 g_test_message ("UTF-8 test #%d: %s", i, escaped); 684 g_free (escaped); 685 686 text_bytes = strlen (test->utf8); 687 if (test->max_len == -1) 688 segment_bytes = text_bytes; 689 else 690 segment_bytes = test->max_len; 691 692 hb_buffer_clear_contents (b); 693 hb_buffer_add_utf8 (b, test->utf8, text_bytes, 0, segment_bytes); 694 695 glyphs = hb_buffer_get_glyph_infos (b, &len); 696 for (j = 0; j < len; j++) 697 if (glyphs[j].codepoint == (hb_codepoint_t) -1) 698 break; 699 700 g_assert (test->valid ? j == len : j < len); 701 if (!test->valid) 702 g_assert (glyphs[j].cluster == test->offset); 703 } 704 705 hb_buffer_destroy (b); 706 } 707 708 709 typedef struct { 710 const uint16_t utf16[8]; 711 const uint32_t codepoints[8]; 712 } utf16_conversion_test_t; 713 714 /* note: we skip the first and last item from utf16 when adding to buffer */ 715 static const utf16_conversion_test_t utf16_conversion_tests[] = { 716 {{0x41, 0x004D, 0x0430, 0x4E8C, 0xD800, 0xDF02, 0x61} , {0x004D, 0x0430, 0x4E8C, 0x10302}}, 717 {{0x41, 0xD800, 0xDF02, 0x61}, {0x10302}}, 718 {{0x41, 0xD800, 0xDF02}, {-1}}, 719 {{0x41, 0x61, 0xD800, 0xDF02}, {0x61, -1}}, 720 {{0x41, 0xD800, 0x61, 0xDF02}, {-1, 0x61}}, 721 {{0x41, 0xDF00, 0x61}, {-1}}, 722 {{0x41, 0x61}, {0}} 723 }; 724 725 static void 726 test_buffer_utf16_conversion (void) 727 { 728 hb_buffer_t *b; 729 unsigned int i; 730 731 b = hb_buffer_create (); 732 hb_buffer_set_replacement_codepoint (b, (hb_codepoint_t) -1); 733 734 for (i = 0; i < G_N_ELEMENTS (utf16_conversion_tests); i++) 735 { 736 const utf16_conversion_test_t *test = &utf16_conversion_tests[i]; 737 unsigned int u_len, chars, j, len; 738 hb_glyph_info_t *glyphs; 739 740 g_test_message ("UTF-16 test #%d", i); 741 742 for (u_len = 0; test->utf16[u_len]; u_len++) 743 ; 744 for (chars = 0; test->codepoints[chars]; chars++) 745 ; 746 747 hb_buffer_clear_contents (b); 748 hb_buffer_add_utf16 (b, test->utf16, u_len, 1, u_len - 2); 749 750 glyphs = hb_buffer_get_glyph_infos (b, &len); 751 g_assert_cmpint (len, ==, chars); 752 for (j = 0; j < chars; j++) 753 g_assert_cmphex (glyphs[j].codepoint, ==, test->codepoints[j]); 754 } 755 756 hb_buffer_destroy (b); 757 } 758 759 760 typedef struct { 761 const uint32_t utf32[8]; 762 const uint32_t codepoints[8]; 763 } utf32_conversion_test_t; 764 765 /* note: we skip the first and last item from utf32 when adding to buffer */ 766 static const utf32_conversion_test_t utf32_conversion_tests[] = { 767 {{0x41, 0x004D, 0x0430, 0x4E8C, 0xD800, 0xDF02, 0x61} , {0x004D, 0x0430, 0x4E8C, -3, -3}}, 768 {{0x41, 0x004D, 0x0430, 0x4E8C, 0x10302, 0x61} , {0x004D, 0x0430, 0x4E8C, 0x10302}}, 769 {{0x41, 0xD800, 0xDF02, 0x61}, {-3, -3}}, 770 {{0x41, 0xD800, 0xDF02}, {-3}}, 771 {{0x41, 0x61, 0xD800, 0xDF02}, {0x61, -3}}, 772 {{0x41, 0xD800, 0x61, 0xDF02}, {-3, 0x61}}, 773 {{0x41, 0xDF00, 0x61}, {-3}}, 774 {{0x41, 0x10FFFF, 0x61}, {0x10FFFF}}, 775 {{0x41, 0x110000, 0x61}, {-3}}, 776 {{0x41, 0x61}, {0}} 777 }; 778 779 static void 780 test_buffer_utf32_conversion (void) 781 { 782 hb_buffer_t *b; 783 unsigned int i; 784 785 b = hb_buffer_create (); 786 hb_buffer_set_replacement_codepoint (b, (hb_codepoint_t) -3); 787 788 for (i = 0; i < G_N_ELEMENTS (utf32_conversion_tests); i++) 789 { 790 const utf32_conversion_test_t *test = &utf32_conversion_tests[i]; 791 unsigned int u_len, chars, j, len; 792 hb_glyph_info_t *glyphs; 793 794 g_test_message ("UTF-32 test #%d", i); 795 796 for (u_len = 0; test->utf32[u_len]; u_len++) 797 ; 798 for (chars = 0; test->codepoints[chars]; chars++) 799 ; 800 801 hb_buffer_clear_contents (b); 802 hb_buffer_add_utf32 (b, test->utf32, u_len, 1, u_len - 2); 803 804 glyphs = hb_buffer_get_glyph_infos (b, &len); 805 g_assert_cmpint (len, ==, chars); 806 for (j = 0; j < chars; j++) 807 g_assert_cmphex (glyphs[j].codepoint, ==, test->codepoints[j]); 808 } 809 810 hb_buffer_destroy (b); 811 } 812 813 814 static void 815 test_empty (hb_buffer_t *b) 816 { 817 g_assert_cmpint (hb_buffer_get_length (b), ==, 0); 818 g_assert (!hb_buffer_get_glyph_infos (b, NULL)); 819 g_assert (!hb_buffer_get_glyph_positions (b, NULL)); 820 } 821 822 static void 823 test_buffer_empty (void) 824 { 825 hb_buffer_t *b = hb_buffer_get_empty (); 826 827 g_assert (hb_buffer_get_empty ()); 828 g_assert (hb_buffer_get_empty () == b); 829 830 g_assert (!hb_buffer_allocation_successful (b)); 831 832 test_empty (b); 833 834 hb_buffer_add_utf32 (b, utf32, G_N_ELEMENTS (utf32), 1, G_N_ELEMENTS (utf32) - 2); 835 836 test_empty (b); 837 838 hb_buffer_reverse (b); 839 hb_buffer_reverse_clusters (b); 840 841 g_assert (!hb_buffer_set_length (b, 10)); 842 843 test_empty (b); 844 845 g_assert (hb_buffer_set_length (b, 0)); 846 847 test_empty (b); 848 849 g_assert (!hb_buffer_allocation_successful (b)); 850 851 hb_buffer_reset (b); 852 853 test_empty (b); 854 855 g_assert (!hb_buffer_allocation_successful (b)); 856 } 857 858 int 859 main (int argc, char **argv) 860 { 861 unsigned int i; 862 863 hb_test_init (&argc, &argv); 864 865 for (i = 0; i < BUFFER_NUM_TYPES; i++) 866 { 867 const void *buffer_type = GINT_TO_POINTER (i); 868 const char *buffer_name = buffer_names[i]; 869 870 hb_test_add_fixture_flavor (fixture, buffer_type, buffer_name, test_buffer_properties); 871 hb_test_add_fixture_flavor (fixture, buffer_type, buffer_name, test_buffer_contents); 872 hb_test_add_fixture_flavor (fixture, buffer_type, buffer_name, test_buffer_positions); 873 } 874 875 hb_test_add_fixture (fixture, GINT_TO_POINTER (BUFFER_EMPTY), test_buffer_allocation); 876 877 hb_test_add (test_buffer_utf8_conversion); 878 hb_test_add (test_buffer_utf8_validity); 879 hb_test_add (test_buffer_utf16_conversion); 880 hb_test_add (test_buffer_utf32_conversion); 881 hb_test_add (test_buffer_empty); 882 883 return hb_test_run(); 884 } 885
