1 // 2016 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 /******************************************************************** 4 * COPYRIGHT: 5 * Copyright (c) 2005-2016, International Business Machines Corporation and 6 * others. All Rights Reserved. 7 ********************************************************************/ 8 /************************************************************************ 9 * Tests for the UText and UTextIterator text abstraction classses 10 * 11 ************************************************************************/ 12 13 #include <string.h> 14 #include <stdio.h> 15 #include <stdlib.h> 16 #include "unicode/utypes.h" 17 #include "unicode/utext.h" 18 #include "unicode/utf8.h" 19 #include "unicode/utf16.h" 20 #include "unicode/ustring.h" 21 #include "unicode/uchriter.h" 22 #include "cmemory.h" 23 #include "cstr.h" 24 #include "utxttest.h" 25 26 static UBool gFailed = FALSE; 27 static int gTestNum = 0; 28 29 // Forward decl 30 UText *openFragmentedUnicodeString(UText *ut, UnicodeString *s, UErrorCode *status); 31 32 #define TEST_ASSERT(x) \ 33 { if ((x)==FALSE) {errln("Test #%d failure in file %s at line %d\n", gTestNum, __FILE__, __LINE__);\ 34 gFailed = TRUE;\ 35 }} 36 37 38 #define TEST_SUCCESS(status) \ 39 { if (U_FAILURE(status)) {errln("Test #%d failure in file %s at line %d. Error = \"%s\"\n", \ 40 gTestNum, __FILE__, __LINE__, u_errorName(status)); \ 41 gFailed = TRUE;\ 42 }} 43 44 UTextTest::UTextTest() { 45 } 46 47 UTextTest::~UTextTest() { 48 } 49 50 51 void 52 UTextTest::runIndexedTest(int32_t index, UBool exec, 53 const char* &name, char* /*par*/) { 54 TESTCASE_AUTO_BEGIN; 55 TESTCASE_AUTO(TextTest); 56 TESTCASE_AUTO(ErrorTest); 57 TESTCASE_AUTO(FreezeTest); 58 TESTCASE_AUTO(Ticket5560); 59 TESTCASE_AUTO(Ticket6847); 60 TESTCASE_AUTO(Ticket10562); 61 TESTCASE_AUTO(Ticket10983); 62 TESTCASE_AUTO(Ticket12130); 63 TESTCASE_AUTO(Ticket13344); 64 TESTCASE_AUTO_END; 65 } 66 67 // 68 // Quick and dirty random number generator. 69 // (don't use library so that results are portable. 70 static uint32_t m_seed = 1; 71 static uint32_t m_rand() 72 { 73 m_seed = m_seed * 1103515245 + 12345; 74 return (uint32_t)(m_seed/65536) % 32768; 75 } 76 77 78 // 79 // TextTest() 80 // 81 // Top Level function for UText testing. 82 // Specifies the strings to be tested, with the acutal testing itself 83 // being carried out in another function, TestString(). 84 // 85 void UTextTest::TextTest() { 86 int32_t i, j; 87 88 TestString("abcd\\U00010001xyz"); 89 TestString(""); 90 91 // Supplementary chars at start or end 92 TestString("\\U00010001"); 93 TestString("abc\\U00010001"); 94 TestString("\\U00010001abc"); 95 96 // Test simple strings of lengths 1 to 60, looking for glitches at buffer boundaries 97 UnicodeString s; 98 for (i=1; i<60; i++) { 99 s.truncate(0); 100 for (j=0; j<i; j++) { 101 if (j+0x30 == 0x5c) { 102 // backslash. Needs to be escaped 103 s.append((UChar)0x5c); 104 } 105 s.append(UChar(j+0x30)); 106 } 107 TestString(s); 108 } 109 110 // Test strings with odd-aligned supplementary chars, 111 // looking for glitches at buffer boundaries 112 for (i=1; i<60; i++) { 113 s.truncate(0); 114 s.append((UChar)0x41); 115 for (j=0; j<i; j++) { 116 s.append(UChar32(j+0x11000)); 117 } 118 TestString(s); 119 } 120 121 // String of chars of randomly varying size in utf-8 representation. 122 // Exercise the mapping, and the varying sized buffer. 123 // 124 s.truncate(0); 125 UChar32 c1 = 0; 126 UChar32 c2 = 0x100; 127 UChar32 c3 = 0xa000; 128 UChar32 c4 = 0x11000; 129 for (i=0; i<1000; i++) { 130 int len8 = m_rand()%4 + 1; 131 switch (len8) { 132 case 1: 133 c1 = (c1+1)%0x80; 134 // don't put 0 into string (0 terminated strings for some tests) 135 // don't put '\', will cause unescape() to fail. 136 if (c1==0x5c || c1==0) { 137 c1++; 138 } 139 s.append(c1); 140 break; 141 case 2: 142 s.append(c2++); 143 break; 144 case 3: 145 s.append(c3++); 146 break; 147 case 4: 148 s.append(c4++); 149 break; 150 } 151 } 152 TestString(s); 153 } 154 155 156 // 157 // TestString() Run a suite of UText tests on a string. 158 // The test string is unescaped before use. 159 // 160 void UTextTest::TestString(const UnicodeString &s) { 161 int32_t i; 162 int32_t j; 163 UChar32 c; 164 int32_t cpCount = 0; 165 UErrorCode status = U_ZERO_ERROR; 166 UText *ut = NULL; 167 int32_t saLen; 168 169 UnicodeString sa = s.unescape(); 170 saLen = sa.length(); 171 172 // 173 // Build up a mapping between code points and UTF-16 code unit indexes. 174 // 175 m *cpMap = new m[sa.length() + 1]; 176 j = 0; 177 for (i=0; i<sa.length(); i=sa.moveIndex32(i, 1)) { 178 c = sa.char32At(i); 179 cpMap[j].nativeIdx = i; 180 cpMap[j].cp = c; 181 j++; 182 cpCount++; 183 } 184 cpMap[j].nativeIdx = i; // position following the last char in utf-16 string. 185 186 187 // UChar * test, null terminated 188 status = U_ZERO_ERROR; 189 UChar *buf = new UChar[saLen+1]; 190 sa.extract(buf, saLen+1, status); 191 TEST_SUCCESS(status); 192 ut = utext_openUChars(NULL, buf, -1, &status); 193 TEST_SUCCESS(status); 194 TestAccess(sa, ut, cpCount, cpMap); 195 utext_close(ut); 196 delete [] buf; 197 198 // UChar * test, with length 199 status = U_ZERO_ERROR; 200 buf = new UChar[saLen+1]; 201 sa.extract(buf, saLen+1, status); 202 TEST_SUCCESS(status); 203 ut = utext_openUChars(NULL, buf, saLen, &status); 204 TEST_SUCCESS(status); 205 TestAccess(sa, ut, cpCount, cpMap); 206 utext_close(ut); 207 delete [] buf; 208 209 210 // UnicodeString test 211 status = U_ZERO_ERROR; 212 ut = utext_openUnicodeString(NULL, &sa, &status); 213 TEST_SUCCESS(status); 214 TestAccess(sa, ut, cpCount, cpMap); 215 TestCMR(sa, ut, cpCount, cpMap, cpMap); 216 utext_close(ut); 217 218 219 // Const UnicodeString test 220 status = U_ZERO_ERROR; 221 ut = utext_openConstUnicodeString(NULL, &sa, &status); 222 TEST_SUCCESS(status); 223 TestAccess(sa, ut, cpCount, cpMap); 224 utext_close(ut); 225 226 227 // Replaceable test. (UnicodeString inherits Replaceable) 228 status = U_ZERO_ERROR; 229 ut = utext_openReplaceable(NULL, &sa, &status); 230 TEST_SUCCESS(status); 231 TestAccess(sa, ut, cpCount, cpMap); 232 TestCMR(sa, ut, cpCount, cpMap, cpMap); 233 utext_close(ut); 234 235 // Character Iterator Tests 236 status = U_ZERO_ERROR; 237 const UChar *cbuf = sa.getBuffer(); 238 CharacterIterator *ci = new UCharCharacterIterator(cbuf, saLen, status); 239 TEST_SUCCESS(status); 240 ut = utext_openCharacterIterator(NULL, ci, &status); 241 TEST_SUCCESS(status); 242 TestAccess(sa, ut, cpCount, cpMap); 243 utext_close(ut); 244 delete ci; 245 246 247 // Fragmented UnicodeString (Chunk size of one) 248 // 249 status = U_ZERO_ERROR; 250 ut = openFragmentedUnicodeString(NULL, &sa, &status); 251 TEST_SUCCESS(status); 252 TestAccess(sa, ut, cpCount, cpMap); 253 utext_close(ut); 254 255 // 256 // UTF-8 test 257 // 258 259 // Convert the test string from UnicodeString to (char *) in utf-8 format 260 int32_t u8Len = sa.extract(0, sa.length(), NULL, 0, "utf-8"); 261 char *u8String = new char[u8Len + 1]; 262 sa.extract(0, sa.length(), u8String, u8Len+1, "utf-8"); 263 264 // Build up the map of code point indices in the utf-8 string 265 m * u8Map = new m[sa.length() + 1]; 266 i = 0; // native utf-8 index 267 for (j=0; j<cpCount ; j++) { // code point number 268 u8Map[j].nativeIdx = i; 269 U8_NEXT(u8String, i, u8Len, c) 270 u8Map[j].cp = c; 271 } 272 u8Map[cpCount].nativeIdx = u8Len; // position following the last char in utf-8 string. 273 274 // Do the test itself 275 status = U_ZERO_ERROR; 276 ut = utext_openUTF8(NULL, u8String, -1, &status); 277 TEST_SUCCESS(status); 278 TestAccess(sa, ut, cpCount, u8Map); 279 utext_close(ut); 280 281 282 283 delete []cpMap; 284 delete []u8Map; 285 delete []u8String; 286 } 287 288 // TestCMR test Copy, Move and Replace operations. 289 // us UnicodeString containing the test text. 290 // ut UText containing the same test text. 291 // cpCount number of code points in the test text. 292 // nativeMap Mapping from code points to native indexes for the UText. 293 // u16Map Mapping from code points to UTF-16 indexes, for use with the UnicodeString. 294 // 295 // This function runs a whole series of opertions on each incoming UText. 296 // The UText is deep-cloned prior to each operation, so that the original UText remains unchanged. 297 // 298 void UTextTest::TestCMR(const UnicodeString &us, UText *ut, int cpCount, m *nativeMap, m *u16Map) { 299 TEST_ASSERT(utext_isWritable(ut) == TRUE); 300 301 int srcLengthType; // Loop variables for selecting the postion and length 302 int srcPosType; // of the block to operate on within the source text. 303 int destPosType; 304 305 int srcIndex = 0; // Code Point indexes of the block to operate on for 306 int srcLength = 0; // a specific test. 307 308 int destIndex = 0; // Code point index of the destination for a copy/move test. 309 310 int32_t nativeStart = 0; // Native unit indexes for a test. 311 int32_t nativeLimit = 0; 312 int32_t nativeDest = 0; 313 314 int32_t u16Start = 0; // UTF-16 indexes for a test. 315 int32_t u16Limit = 0; // used when performing the same operation in a Unicode String 316 int32_t u16Dest = 0; 317 318 // Iterate over a whole series of source index, length and a target indexes. 319 // This is done with code point indexes; these will be later translated to native 320 // indexes using the cpMap. 321 for (srcLengthType=1; srcLengthType<=3; srcLengthType++) { 322 switch (srcLengthType) { 323 case 1: srcLength = 1; break; 324 case 2: srcLength = 5; break; 325 case 3: srcLength = cpCount / 3; 326 } 327 for (srcPosType=1; srcPosType<=5; srcPosType++) { 328 switch (srcPosType) { 329 case 1: srcIndex = 0; break; 330 case 2: srcIndex = 1; break; 331 case 3: srcIndex = cpCount - srcLength; break; 332 case 4: srcIndex = cpCount - srcLength - 1; break; 333 case 5: srcIndex = cpCount / 2; break; 334 } 335 if (srcIndex < 0 || srcIndex + srcLength > cpCount) { 336 // filter out bogus test cases - 337 // those with a source range that falls of an edge of the string. 338 continue; 339 } 340 341 // 342 // Copy and move tests. 343 // iterate over a variety of destination positions. 344 // 345 for (destPosType=1; destPosType<=4; destPosType++) { 346 switch (destPosType) { 347 case 1: destIndex = 0; break; 348 case 2: destIndex = 1; break; 349 case 3: destIndex = srcIndex - 1; break; 350 case 4: destIndex = srcIndex + srcLength + 1; break; 351 case 5: destIndex = cpCount-1; break; 352 case 6: destIndex = cpCount; break; 353 } 354 if (destIndex<0 || destIndex>cpCount) { 355 // filter out bogus test cases. 356 continue; 357 } 358 359 nativeStart = nativeMap[srcIndex].nativeIdx; 360 nativeLimit = nativeMap[srcIndex+srcLength].nativeIdx; 361 nativeDest = nativeMap[destIndex].nativeIdx; 362 363 u16Start = u16Map[srcIndex].nativeIdx; 364 u16Limit = u16Map[srcIndex+srcLength].nativeIdx; 365 u16Dest = u16Map[destIndex].nativeIdx; 366 367 gFailed = FALSE; 368 TestCopyMove(us, ut, FALSE, 369 nativeStart, nativeLimit, nativeDest, 370 u16Start, u16Limit, u16Dest); 371 372 TestCopyMove(us, ut, TRUE, 373 nativeStart, nativeLimit, nativeDest, 374 u16Start, u16Limit, u16Dest); 375 376 if (gFailed) { 377 return; 378 } 379 } 380 381 // 382 // Replace tests. 383 // 384 UnicodeString fullRepString("This is an arbitrary string that will be used as replacement text"); 385 for (int32_t replStrLen=0; replStrLen<20; replStrLen++) { 386 UnicodeString repStr(fullRepString, 0, replStrLen); 387 TestReplace(us, ut, 388 nativeStart, nativeLimit, 389 u16Start, u16Limit, 390 repStr); 391 if (gFailed) { 392 return; 393 } 394 } 395 396 } 397 } 398 399 } 400 401 // 402 // TestCopyMove run a single test case for utext_copy. 403 // Test cases are created in TestCMR and dispatched here for execution. 404 // 405 void UTextTest::TestCopyMove(const UnicodeString &us, UText *ut, UBool move, 406 int32_t nativeStart, int32_t nativeLimit, int32_t nativeDest, 407 int32_t u16Start, int32_t u16Limit, int32_t u16Dest) 408 { 409 UErrorCode status = U_ZERO_ERROR; 410 UText *targetUT = NULL; 411 gTestNum++; 412 gFailed = FALSE; 413 414 // 415 // clone the UText. The test will be run in the cloned copy 416 // so that we don't alter the original. 417 // 418 targetUT = utext_clone(NULL, ut, TRUE, FALSE, &status); 419 TEST_SUCCESS(status); 420 UnicodeString targetUS(us); // And copy the reference string. 421 422 // do the test operation first in the reference 423 targetUS.copy(u16Start, u16Limit, u16Dest); 424 if (move) { 425 // delete out the source range. 426 if (u16Limit < u16Dest) { 427 targetUS.removeBetween(u16Start, u16Limit); 428 } else { 429 int32_t amtCopied = u16Limit - u16Start; 430 targetUS.removeBetween(u16Start+amtCopied, u16Limit+amtCopied); 431 } 432 } 433 434 // Do the same operation in the UText under test 435 utext_copy(targetUT, nativeStart, nativeLimit, nativeDest, move, &status); 436 if (nativeDest > nativeStart && nativeDest < nativeLimit) { 437 TEST_ASSERT(status == U_INDEX_OUTOFBOUNDS_ERROR); 438 } else { 439 TEST_SUCCESS(status); 440 441 // Compare the results of the two parallel tests 442 int32_t usi = 0; // UnicodeString postion, utf-16 index. 443 int64_t uti = 0; // UText position, native index. 444 int32_t cpi; // char32 position (code point index) 445 UChar32 usc; // code point from Unicode String 446 UChar32 utc; // code point from UText 447 utext_setNativeIndex(targetUT, 0); 448 for (cpi=0; ; cpi++) { 449 usc = targetUS.char32At(usi); 450 utc = utext_next32(targetUT); 451 if (utc < 0) { 452 break; 453 } 454 TEST_ASSERT(uti == usi); 455 TEST_ASSERT(utc == usc); 456 usi = targetUS.moveIndex32(usi, 1); 457 uti = utext_getNativeIndex(targetUT); 458 if (gFailed) { 459 goto cleanupAndReturn; 460 } 461 } 462 int64_t expectedNativeLength = utext_nativeLength(ut); 463 if (move == FALSE) { 464 expectedNativeLength += nativeLimit - nativeStart; 465 } 466 uti = utext_getNativeIndex(targetUT); 467 TEST_ASSERT(uti == expectedNativeLength); 468 } 469 470 cleanupAndReturn: 471 utext_close(targetUT); 472 } 473 474 475 // 476 // TestReplace Test a single Replace operation. 477 // 478 void UTextTest::TestReplace( 479 const UnicodeString &us, // reference UnicodeString in which to do the replace 480 UText *ut, // UnicodeText object under test. 481 int32_t nativeStart, // Range to be replaced, in UText native units. 482 int32_t nativeLimit, 483 int32_t u16Start, // Range to be replaced, in UTF-16 units 484 int32_t u16Limit, // for use in the reference UnicodeString. 485 const UnicodeString &repStr) // The replacement string 486 { 487 UErrorCode status = U_ZERO_ERROR; 488 UText *targetUT = NULL; 489 gTestNum++; 490 gFailed = FALSE; 491 492 // 493 // clone the target UText. The test will be run in the cloned copy 494 // so that we don't alter the original. 495 // 496 targetUT = utext_clone(NULL, ut, TRUE, FALSE, &status); 497 TEST_SUCCESS(status); 498 UnicodeString targetUS(us); // And copy the reference string. 499 500 // 501 // Do the replace operation in the Unicode String, to 502 // produce a reference result. 503 // 504 targetUS.replace(u16Start, u16Limit-u16Start, repStr); 505 506 // 507 // Do the replace on the UText under test 508 // 509 const UChar *rs = repStr.getBuffer(); 510 int32_t rsLen = repStr.length(); 511 int32_t actualDelta = utext_replace(targetUT, nativeStart, nativeLimit, rs, rsLen, &status); 512 int32_t expectedDelta = repStr.length() - (nativeLimit - nativeStart); 513 TEST_ASSERT(actualDelta == expectedDelta); 514 515 // 516 // Compare the results 517 // 518 int32_t usi = 0; // UnicodeString postion, utf-16 index. 519 int64_t uti = 0; // UText position, native index. 520 int32_t cpi; // char32 position (code point index) 521 UChar32 usc; // code point from Unicode String 522 UChar32 utc; // code point from UText 523 int64_t expectedNativeLength = 0; 524 utext_setNativeIndex(targetUT, 0); 525 for (cpi=0; ; cpi++) { 526 usc = targetUS.char32At(usi); 527 utc = utext_next32(targetUT); 528 if (utc < 0) { 529 break; 530 } 531 TEST_ASSERT(uti == usi); 532 TEST_ASSERT(utc == usc); 533 usi = targetUS.moveIndex32(usi, 1); 534 uti = utext_getNativeIndex(targetUT); 535 if (gFailed) { 536 goto cleanupAndReturn; 537 } 538 } 539 expectedNativeLength = utext_nativeLength(ut) + expectedDelta; 540 uti = utext_getNativeIndex(targetUT); 541 TEST_ASSERT(uti == expectedNativeLength); 542 543 cleanupAndReturn: 544 utext_close(targetUT); 545 } 546 547 // 548 // TestAccess Test the read only access functions on a UText, including cloning. 549 // The text is accessed in a variety of ways, and compared with 550 // the reference UnicodeString. 551 // 552 void UTextTest::TestAccess(const UnicodeString &us, UText *ut, int cpCount, m *cpMap) { 553 // Run the standard tests on the caller-supplied UText. 554 TestAccessNoClone(us, ut, cpCount, cpMap); 555 556 // Re-run tests on a shallow clone. 557 utext_setNativeIndex(ut, 0); 558 UErrorCode status = U_ZERO_ERROR; 559 UText *shallowClone = utext_clone(NULL, ut, FALSE /*deep*/, FALSE /*readOnly*/, &status); 560 TEST_SUCCESS(status); 561 TestAccessNoClone(us, shallowClone, cpCount, cpMap); 562 563 // 564 // Rerun again on a deep clone. 565 // Note that text providers are not required to provide deep cloning, 566 // so unsupported errors are ignored. 567 // 568 status = U_ZERO_ERROR; 569 utext_setNativeIndex(shallowClone, 0); 570 UText *deepClone = utext_clone(NULL, shallowClone, TRUE, FALSE, &status); 571 utext_close(shallowClone); 572 if (status != U_UNSUPPORTED_ERROR) { 573 TEST_SUCCESS(status); 574 TestAccessNoClone(us, deepClone, cpCount, cpMap); 575 } 576 utext_close(deepClone); 577 } 578 579 580 // 581 // TestAccessNoClone() Test the read only access functions on a UText. 582 // The text is accessed in a variety of ways, and compared with 583 // the reference UnicodeString. 584 // 585 void UTextTest::TestAccessNoClone(const UnicodeString &us, UText *ut, int cpCount, m *cpMap) { 586 UErrorCode status = U_ZERO_ERROR; 587 gTestNum++; 588 589 // 590 // Check the length from the UText 591 // 592 int64_t expectedLen = cpMap[cpCount].nativeIdx; 593 int64_t utlen = utext_nativeLength(ut); 594 TEST_ASSERT(expectedLen == utlen); 595 596 // 597 // Iterate forwards, verify that we get the correct code points 598 // at the correct native offsets. 599 // 600 int i = 0; 601 int64_t index; 602 int64_t expectedIndex = 0; 603 int64_t foundIndex = 0; 604 UChar32 expectedC; 605 UChar32 foundC; 606 int64_t len; 607 608 for (i=0; i<cpCount; i++) { 609 expectedIndex = cpMap[i].nativeIdx; 610 foundIndex = utext_getNativeIndex(ut); 611 TEST_ASSERT(expectedIndex == foundIndex); 612 expectedC = cpMap[i].cp; 613 foundC = utext_next32(ut); 614 TEST_ASSERT(expectedC == foundC); 615 foundIndex = utext_getPreviousNativeIndex(ut); 616 TEST_ASSERT(expectedIndex == foundIndex); 617 if (gFailed) { 618 return; 619 } 620 } 621 foundC = utext_next32(ut); 622 TEST_ASSERT(foundC == U_SENTINEL); 623 624 // Repeat above, using macros 625 utext_setNativeIndex(ut, 0); 626 for (i=0; i<cpCount; i++) { 627 expectedIndex = cpMap[i].nativeIdx; 628 foundIndex = UTEXT_GETNATIVEINDEX(ut); 629 TEST_ASSERT(expectedIndex == foundIndex); 630 expectedC = cpMap[i].cp; 631 foundC = UTEXT_NEXT32(ut); 632 TEST_ASSERT(expectedC == foundC); 633 if (gFailed) { 634 return; 635 } 636 } 637 foundC = UTEXT_NEXT32(ut); 638 TEST_ASSERT(foundC == U_SENTINEL); 639 640 // 641 // Forward iteration (above) should have left index at the 642 // end of the input, which should == length(). 643 // 644 len = utext_nativeLength(ut); 645 foundIndex = utext_getNativeIndex(ut); 646 TEST_ASSERT(len == foundIndex); 647 648 // 649 // Iterate backwards over entire test string 650 // 651 len = utext_getNativeIndex(ut); 652 utext_setNativeIndex(ut, len); 653 for (i=cpCount-1; i>=0; i--) { 654 expectedC = cpMap[i].cp; 655 expectedIndex = cpMap[i].nativeIdx; 656 int64_t prevIndex = utext_getPreviousNativeIndex(ut); 657 foundC = utext_previous32(ut); 658 foundIndex = utext_getNativeIndex(ut); 659 TEST_ASSERT(expectedIndex == foundIndex); 660 TEST_ASSERT(expectedC == foundC); 661 TEST_ASSERT(prevIndex == foundIndex); 662 if (gFailed) { 663 return; 664 } 665 } 666 667 // 668 // Backwards iteration, above, should have left our iterator 669 // position at zero, and continued backwards iterationshould fail. 670 // 671 foundIndex = utext_getNativeIndex(ut); 672 TEST_ASSERT(foundIndex == 0); 673 foundIndex = utext_getPreviousNativeIndex(ut); 674 TEST_ASSERT(foundIndex == 0); 675 676 677 foundC = utext_previous32(ut); 678 TEST_ASSERT(foundC == U_SENTINEL); 679 foundIndex = utext_getNativeIndex(ut); 680 TEST_ASSERT(foundIndex == 0); 681 foundIndex = utext_getPreviousNativeIndex(ut); 682 TEST_ASSERT(foundIndex == 0); 683 684 685 // And again, with the macros 686 utext_setNativeIndex(ut, len); 687 for (i=cpCount-1; i>=0; i--) { 688 expectedC = cpMap[i].cp; 689 expectedIndex = cpMap[i].nativeIdx; 690 foundC = UTEXT_PREVIOUS32(ut); 691 foundIndex = UTEXT_GETNATIVEINDEX(ut); 692 TEST_ASSERT(expectedIndex == foundIndex); 693 TEST_ASSERT(expectedC == foundC); 694 if (gFailed) { 695 return; 696 } 697 } 698 699 // 700 // Backwards iteration, above, should have left our iterator 701 // position at zero, and continued backwards iterationshould fail. 702 // 703 foundIndex = UTEXT_GETNATIVEINDEX(ut); 704 TEST_ASSERT(foundIndex == 0); 705 706 foundC = UTEXT_PREVIOUS32(ut); 707 TEST_ASSERT(foundC == U_SENTINEL); 708 foundIndex = UTEXT_GETNATIVEINDEX(ut); 709 TEST_ASSERT(foundIndex == 0); 710 if (gFailed) { 711 return; 712 } 713 714 // 715 // next32From(), prevous32From(), Iterate in a somewhat random order. 716 // 717 int cpIndex = 0; 718 for (i=0; i<cpCount; i++) { 719 cpIndex = (cpIndex + 9973) % cpCount; 720 index = cpMap[cpIndex].nativeIdx; 721 expectedC = cpMap[cpIndex].cp; 722 foundC = utext_next32From(ut, index); 723 TEST_ASSERT(expectedC == foundC); 724 if (gFailed) { 725 return; 726 } 727 } 728 729 cpIndex = 0; 730 for (i=0; i<cpCount; i++) { 731 cpIndex = (cpIndex + 9973) % cpCount; 732 index = cpMap[cpIndex+1].nativeIdx; 733 expectedC = cpMap[cpIndex].cp; 734 foundC = utext_previous32From(ut, index); 735 TEST_ASSERT(expectedC == foundC); 736 if (gFailed) { 737 return; 738 } 739 } 740 741 742 // 743 // moveIndex(int32_t delta); 744 // 745 746 // Walk through frontwards, incrementing by one 747 utext_setNativeIndex(ut, 0); 748 for (i=1; i<=cpCount; i++) { 749 utext_moveIndex32(ut, 1); 750 index = utext_getNativeIndex(ut); 751 expectedIndex = cpMap[i].nativeIdx; 752 TEST_ASSERT(expectedIndex == index); 753 index = UTEXT_GETNATIVEINDEX(ut); 754 TEST_ASSERT(expectedIndex == index); 755 } 756 757 // Walk through frontwards, incrementing by two 758 utext_setNativeIndex(ut, 0); 759 for (i=2; i<cpCount; i+=2) { 760 utext_moveIndex32(ut, 2); 761 index = utext_getNativeIndex(ut); 762 expectedIndex = cpMap[i].nativeIdx; 763 TEST_ASSERT(expectedIndex == index); 764 index = UTEXT_GETNATIVEINDEX(ut); 765 TEST_ASSERT(expectedIndex == index); 766 } 767 768 // walk through the string backwards, decrementing by one. 769 i = cpMap[cpCount].nativeIdx; 770 utext_setNativeIndex(ut, i); 771 for (i=cpCount; i>=0; i--) { 772 expectedIndex = cpMap[i].nativeIdx; 773 index = utext_getNativeIndex(ut); 774 TEST_ASSERT(expectedIndex == index); 775 index = UTEXT_GETNATIVEINDEX(ut); 776 TEST_ASSERT(expectedIndex == index); 777 utext_moveIndex32(ut, -1); 778 } 779 780 781 // walk through backwards, decrementing by three 782 i = cpMap[cpCount].nativeIdx; 783 utext_setNativeIndex(ut, i); 784 for (i=cpCount; i>=0; i-=3) { 785 expectedIndex = cpMap[i].nativeIdx; 786 index = utext_getNativeIndex(ut); 787 TEST_ASSERT(expectedIndex == index); 788 index = UTEXT_GETNATIVEINDEX(ut); 789 TEST_ASSERT(expectedIndex == index); 790 utext_moveIndex32(ut, -3); 791 } 792 793 794 // 795 // Extract 796 // 797 int bufSize = us.length() + 10; 798 UChar *buf = new UChar[bufSize]; 799 status = U_ZERO_ERROR; 800 expectedLen = us.length(); 801 len = utext_extract(ut, 0, utlen, buf, bufSize, &status); 802 TEST_SUCCESS(status); 803 TEST_ASSERT(len == expectedLen); 804 int compareResult = us.compare(buf, -1); 805 TEST_ASSERT(compareResult == 0); 806 807 status = U_ZERO_ERROR; 808 len = utext_extract(ut, 0, utlen, NULL, 0, &status); 809 if (utlen == 0) { 810 TEST_ASSERT(status == U_STRING_NOT_TERMINATED_WARNING); 811 } else { 812 TEST_ASSERT(status == U_BUFFER_OVERFLOW_ERROR); 813 } 814 TEST_ASSERT(len == expectedLen); 815 816 status = U_ZERO_ERROR; 817 u_memset(buf, 0x5555, bufSize); 818 len = utext_extract(ut, 0, utlen, buf, 1, &status); 819 if (us.length() == 0) { 820 TEST_SUCCESS(status); 821 TEST_ASSERT(buf[0] == 0); 822 } else { 823 // Buf len == 1, extracting a single 16 bit value. 824 // If the data char is supplementary, it doesn't matter whether the buffer remains unchanged, 825 // or whether the lead surrogate of the pair is extracted. 826 // It's a buffer overflow error in either case. 827 TEST_ASSERT(buf[0] == us.charAt(0) || 828 (buf[0] == 0x5555 && U_IS_SUPPLEMENTARY(us.char32At(0)))); 829 TEST_ASSERT(buf[1] == 0x5555); 830 if (us.length() == 1) { 831 TEST_ASSERT(status == U_STRING_NOT_TERMINATED_WARNING); 832 } else { 833 TEST_ASSERT(status == U_BUFFER_OVERFLOW_ERROR); 834 } 835 } 836 837 delete []buf; 838 } 839 840 // 841 // ErrorTest() Check various error and edge cases. 842 // 843 void UTextTest::ErrorTest() 844 { 845 // Close of an unitialized UText. Shouldn't blow up. 846 { 847 UText ut; 848 memset(&ut, 0, sizeof(UText)); 849 utext_close(&ut); 850 utext_close(NULL); 851 } 852 853 // Double-close of a UText. Shouldn't blow up. UText should still be usable. 854 { 855 UErrorCode status = U_ZERO_ERROR; 856 UText ut = UTEXT_INITIALIZER; 857 UnicodeString s("Hello, World"); 858 UText *ut2 = utext_openUnicodeString(&ut, &s, &status); 859 TEST_SUCCESS(status); 860 TEST_ASSERT(ut2 == &ut); 861 862 UText *ut3 = utext_close(&ut); 863 TEST_ASSERT(ut3 == &ut); 864 865 UText *ut4 = utext_close(&ut); 866 TEST_ASSERT(ut4 == &ut); 867 868 utext_openUnicodeString(&ut, &s, &status); 869 TEST_SUCCESS(status); 870 utext_close(&ut); 871 } 872 873 // Re-use of a UText, chaining through each of the types of UText 874 // (If it doesn't blow up, and doesn't leak, it's probably working fine) 875 { 876 UErrorCode status = U_ZERO_ERROR; 877 UText ut = UTEXT_INITIALIZER; 878 UText *utp; 879 UnicodeString s1("Hello, World"); 880 UChar s2[] = {(UChar)0x41, (UChar)0x42, (UChar)0}; 881 const char *s3 = "\x66\x67\x68"; 882 883 utp = utext_openUnicodeString(&ut, &s1, &status); 884 TEST_SUCCESS(status); 885 TEST_ASSERT(utp == &ut); 886 887 utp = utext_openConstUnicodeString(&ut, &s1, &status); 888 TEST_SUCCESS(status); 889 TEST_ASSERT(utp == &ut); 890 891 utp = utext_openUTF8(&ut, s3, -1, &status); 892 TEST_SUCCESS(status); 893 TEST_ASSERT(utp == &ut); 894 895 utp = utext_openUChars(&ut, s2, -1, &status); 896 TEST_SUCCESS(status); 897 TEST_ASSERT(utp == &ut); 898 899 utp = utext_close(&ut); 900 TEST_ASSERT(utp == &ut); 901 902 utp = utext_openUnicodeString(&ut, &s1, &status); 903 TEST_SUCCESS(status); 904 TEST_ASSERT(utp == &ut); 905 } 906 907 // Invalid parameters on open 908 // 909 { 910 UErrorCode status = U_ZERO_ERROR; 911 UText ut = UTEXT_INITIALIZER; 912 913 utext_openUChars(&ut, NULL, 5, &status); 914 TEST_ASSERT(status == U_ILLEGAL_ARGUMENT_ERROR); 915 916 status = U_ZERO_ERROR; 917 utext_openUChars(&ut, NULL, -1, &status); 918 TEST_ASSERT(status == U_ILLEGAL_ARGUMENT_ERROR); 919 920 status = U_ZERO_ERROR; 921 utext_openUTF8(&ut, NULL, 4, &status); 922 TEST_ASSERT(status == U_ILLEGAL_ARGUMENT_ERROR); 923 924 status = U_ZERO_ERROR; 925 utext_openUTF8(&ut, NULL, -1, &status); 926 TEST_ASSERT(status == U_ILLEGAL_ARGUMENT_ERROR); 927 } 928 929 // 930 // UTF-8 with malformed sequences. 931 // These should come through as the Unicode replacement char, \ufffd 932 // 933 { 934 UErrorCode status = U_ZERO_ERROR; 935 UText *ut = NULL; 936 const char *badUTF8 = "\x41\x81\x42\xf0\x81\x81\x43"; 937 UChar32 c; 938 939 ut = utext_openUTF8(NULL, badUTF8, -1, &status); 940 TEST_SUCCESS(status); 941 c = utext_char32At(ut, 1); 942 TEST_ASSERT(c == 0xfffd); 943 c = utext_char32At(ut, 3); 944 TEST_ASSERT(c == 0xfffd); 945 c = utext_char32At(ut, 5); 946 TEST_ASSERT(c == 0xfffd); 947 c = utext_char32At(ut, 6); 948 TEST_ASSERT(c == 0x43); 949 950 UChar buf[10]; 951 int n = utext_extract(ut, 0, 9, buf, 10, &status); 952 TEST_SUCCESS(status); 953 TEST_ASSERT(n==7); 954 TEST_ASSERT(buf[0] == 0x41); 955 TEST_ASSERT(buf[1] == 0xfffd); 956 TEST_ASSERT(buf[2] == 0x42); 957 TEST_ASSERT(buf[3] == 0xfffd); 958 TEST_ASSERT(buf[4] == 0xfffd); 959 TEST_ASSERT(buf[5] == 0xfffd); 960 TEST_ASSERT(buf[6] == 0x43); 961 utext_close(ut); 962 } 963 964 965 // 966 // isLengthExpensive - does it make the exptected transitions after 967 // getting the length of a nul terminated string? 968 // 969 { 970 UErrorCode status = U_ZERO_ERROR; 971 UnicodeString sa("Hello, this is a string"); 972 UBool isExpensive; 973 974 UChar sb[100]; 975 memset(sb, 0x20, sizeof(sb)); 976 sb[99] = 0; 977 978 UText *uta = utext_openUnicodeString(NULL, &sa, &status); 979 TEST_SUCCESS(status); 980 isExpensive = utext_isLengthExpensive(uta); 981 TEST_ASSERT(isExpensive == FALSE); 982 utext_close(uta); 983 984 UText *utb = utext_openUChars(NULL, sb, -1, &status); 985 TEST_SUCCESS(status); 986 isExpensive = utext_isLengthExpensive(utb); 987 TEST_ASSERT(isExpensive == TRUE); 988 int64_t len = utext_nativeLength(utb); 989 TEST_ASSERT(len == 99); 990 isExpensive = utext_isLengthExpensive(utb); 991 TEST_ASSERT(isExpensive == FALSE); 992 utext_close(utb); 993 } 994 995 // 996 // Index to positions not on code point boundaries. 997 // 998 { 999 const char *u8str = "\xc8\x81\xe1\x82\x83\xf1\x84\x85\x86"; 1000 int32_t startMap[] = { 0, 0, 2, 2, 2, 5, 5, 5, 5, 9, 9}; 1001 int32_t nextMap[] = { 2, 2, 5, 5, 5, 9, 9, 9, 9, 9, 9}; 1002 int32_t prevMap[] = { 0, 0, 0, 0, 0, 2, 2, 2, 2, 5, 5}; 1003 UChar32 c32Map[] = {0x201, 0x201, 0x1083, 0x1083, 0x1083, 0x044146, 0x044146, 0x044146, 0x044146, -1, -1}; 1004 UChar32 pr32Map[] = { -1, -1, 0x201, 0x201, 0x201, 0x1083, 0x1083, 0x1083, 0x1083, 0x044146, 0x044146}; 1005 1006 // extractLen is the size, in UChars, of what will be extracted between index and index+1. 1007 // is zero when both index positions lie within the same code point. 1008 int32_t exLen[] = { 0, 1, 0, 0, 1, 0, 0, 0, 2, 0, 0}; 1009 1010 1011 UErrorCode status = U_ZERO_ERROR; 1012 UText *ut = utext_openUTF8(NULL, u8str, -1, &status); 1013 TEST_SUCCESS(status); 1014 1015 // Check setIndex 1016 int32_t i; 1017 int32_t startMapLimit = UPRV_LENGTHOF(startMap); 1018 for (i=0; i<startMapLimit; i++) { 1019 utext_setNativeIndex(ut, i); 1020 int64_t cpIndex = utext_getNativeIndex(ut); 1021 TEST_ASSERT(cpIndex == startMap[i]); 1022 cpIndex = UTEXT_GETNATIVEINDEX(ut); 1023 TEST_ASSERT(cpIndex == startMap[i]); 1024 } 1025 1026 // Check char32At 1027 for (i=0; i<startMapLimit; i++) { 1028 UChar32 c32 = utext_char32At(ut, i); 1029 TEST_ASSERT(c32 == c32Map[i]); 1030 int64_t cpIndex = utext_getNativeIndex(ut); 1031 TEST_ASSERT(cpIndex == startMap[i]); 1032 } 1033 1034 // Check utext_next32From 1035 for (i=0; i<startMapLimit; i++) { 1036 UChar32 c32 = utext_next32From(ut, i); 1037 TEST_ASSERT(c32 == c32Map[i]); 1038 int64_t cpIndex = utext_getNativeIndex(ut); 1039 TEST_ASSERT(cpIndex == nextMap[i]); 1040 } 1041 1042 // check utext_previous32From 1043 for (i=0; i<startMapLimit; i++) { 1044 gTestNum++; 1045 UChar32 c32 = utext_previous32From(ut, i); 1046 TEST_ASSERT(c32 == pr32Map[i]); 1047 int64_t cpIndex = utext_getNativeIndex(ut); 1048 TEST_ASSERT(cpIndex == prevMap[i]); 1049 } 1050 1051 // check Extract 1052 // Extract from i to i+1, which may be zero or one code points, 1053 // depending on whether the indices straddle a cp boundary. 1054 for (i=0; i<startMapLimit; i++) { 1055 UChar buf[3]; 1056 status = U_ZERO_ERROR; 1057 int32_t extractedLen = utext_extract(ut, i, i+1, buf, 3, &status); 1058 TEST_SUCCESS(status); 1059 TEST_ASSERT(extractedLen == exLen[i]); 1060 if (extractedLen > 0) { 1061 UChar32 c32; 1062 /* extractedLen-extractedLen == 0 is used to get around a compiler warning. */ 1063 U16_GET(buf, 0, extractedLen-extractedLen, extractedLen, c32); 1064 TEST_ASSERT(c32 == c32Map[i]); 1065 } 1066 } 1067 1068 utext_close(ut); 1069 } 1070 1071 1072 { // Similar test, with utf16 instead of utf8 1073 // TODO: merge the common parts of these tests. 1074 1075 UnicodeString u16str("\\u1000\\U00011000\\u2000\\U00022000", -1, US_INV); 1076 int32_t startMap[] ={ 0, 1, 1, 3, 4, 4, 6, 6}; 1077 int32_t nextMap[] = { 1, 3, 3, 4, 6, 6, 6, 6}; 1078 int32_t prevMap[] = { 0, 0, 0, 1, 3, 3, 4, 4}; 1079 UChar32 c32Map[] = {0x1000, 0x11000, 0x11000, 0x2000, 0x22000, 0x22000, -1, -1}; 1080 UChar32 pr32Map[] = { -1, 0x1000, 0x1000, 0x11000, 0x2000, 0x2000, 0x22000, 0x22000}; 1081 int32_t exLen[] = { 1, 0, 2, 1, 0, 2, 0, 0,}; 1082 1083 u16str = u16str.unescape(); 1084 UErrorCode status = U_ZERO_ERROR; 1085 UText *ut = utext_openUnicodeString(NULL, &u16str, &status); 1086 TEST_SUCCESS(status); 1087 1088 int32_t startMapLimit = UPRV_LENGTHOF(startMap); 1089 int i; 1090 for (i=0; i<startMapLimit; i++) { 1091 utext_setNativeIndex(ut, i); 1092 int64_t cpIndex = utext_getNativeIndex(ut); 1093 TEST_ASSERT(cpIndex == startMap[i]); 1094 } 1095 1096 // Check char32At 1097 for (i=0; i<startMapLimit; i++) { 1098 UChar32 c32 = utext_char32At(ut, i); 1099 TEST_ASSERT(c32 == c32Map[i]); 1100 int64_t cpIndex = utext_getNativeIndex(ut); 1101 TEST_ASSERT(cpIndex == startMap[i]); 1102 } 1103 1104 // Check utext_next32From 1105 for (i=0; i<startMapLimit; i++) { 1106 UChar32 c32 = utext_next32From(ut, i); 1107 TEST_ASSERT(c32 == c32Map[i]); 1108 int64_t cpIndex = utext_getNativeIndex(ut); 1109 TEST_ASSERT(cpIndex == nextMap[i]); 1110 } 1111 1112 // check utext_previous32From 1113 for (i=0; i<startMapLimit; i++) { 1114 UChar32 c32 = utext_previous32From(ut, i); 1115 TEST_ASSERT(c32 == pr32Map[i]); 1116 int64_t cpIndex = utext_getNativeIndex(ut); 1117 TEST_ASSERT(cpIndex == prevMap[i]); 1118 } 1119 1120 // check Extract 1121 // Extract from i to i+1, which may be zero or one code points, 1122 // depending on whether the indices straddle a cp boundary. 1123 for (i=0; i<startMapLimit; i++) { 1124 UChar buf[3]; 1125 status = U_ZERO_ERROR; 1126 int32_t extractedLen = utext_extract(ut, i, i+1, buf, 3, &status); 1127 TEST_SUCCESS(status); 1128 TEST_ASSERT(extractedLen == exLen[i]); 1129 if (extractedLen > 0) { 1130 UChar32 c32; 1131 /* extractedLen-extractedLen == 0 is used to get around a compiler warning. */ 1132 U16_GET(buf, 0, extractedLen-extractedLen, extractedLen, c32); 1133 TEST_ASSERT(c32 == c32Map[i]); 1134 } 1135 } 1136 1137 utext_close(ut); 1138 } 1139 1140 { // Similar test, with UText over Replaceable 1141 // TODO: merge the common parts of these tests. 1142 1143 UnicodeString u16str("\\u1000\\U00011000\\u2000\\U00022000", -1, US_INV); 1144 int32_t startMap[] ={ 0, 1, 1, 3, 4, 4, 6, 6}; 1145 int32_t nextMap[] = { 1, 3, 3, 4, 6, 6, 6, 6}; 1146 int32_t prevMap[] = { 0, 0, 0, 1, 3, 3, 4, 4}; 1147 UChar32 c32Map[] = {0x1000, 0x11000, 0x11000, 0x2000, 0x22000, 0x22000, -1, -1}; 1148 UChar32 pr32Map[] = { -1, 0x1000, 0x1000, 0x11000, 0x2000, 0x2000, 0x22000, 0x22000}; 1149 int32_t exLen[] = { 1, 0, 2, 1, 0, 2, 0, 0,}; 1150 1151 u16str = u16str.unescape(); 1152 UErrorCode status = U_ZERO_ERROR; 1153 UText *ut = utext_openReplaceable(NULL, &u16str, &status); 1154 TEST_SUCCESS(status); 1155 1156 int32_t startMapLimit = UPRV_LENGTHOF(startMap); 1157 int i; 1158 for (i=0; i<startMapLimit; i++) { 1159 utext_setNativeIndex(ut, i); 1160 int64_t cpIndex = utext_getNativeIndex(ut); 1161 TEST_ASSERT(cpIndex == startMap[i]); 1162 } 1163 1164 // Check char32At 1165 for (i=0; i<startMapLimit; i++) { 1166 UChar32 c32 = utext_char32At(ut, i); 1167 TEST_ASSERT(c32 == c32Map[i]); 1168 int64_t cpIndex = utext_getNativeIndex(ut); 1169 TEST_ASSERT(cpIndex == startMap[i]); 1170 } 1171 1172 // Check utext_next32From 1173 for (i=0; i<startMapLimit; i++) { 1174 UChar32 c32 = utext_next32From(ut, i); 1175 TEST_ASSERT(c32 == c32Map[i]); 1176 int64_t cpIndex = utext_getNativeIndex(ut); 1177 TEST_ASSERT(cpIndex == nextMap[i]); 1178 } 1179 1180 // check utext_previous32From 1181 for (i=0; i<startMapLimit; i++) { 1182 UChar32 c32 = utext_previous32From(ut, i); 1183 TEST_ASSERT(c32 == pr32Map[i]); 1184 int64_t cpIndex = utext_getNativeIndex(ut); 1185 TEST_ASSERT(cpIndex == prevMap[i]); 1186 } 1187 1188 // check Extract 1189 // Extract from i to i+1, which may be zero or one code points, 1190 // depending on whether the indices straddle a cp boundary. 1191 for (i=0; i<startMapLimit; i++) { 1192 UChar buf[3]; 1193 status = U_ZERO_ERROR; 1194 int32_t extractedLen = utext_extract(ut, i, i+1, buf, 3, &status); 1195 TEST_SUCCESS(status); 1196 TEST_ASSERT(extractedLen == exLen[i]); 1197 if (extractedLen > 0) { 1198 UChar32 c32; 1199 /* extractedLen-extractedLen == 0 is used to get around a compiler warning. */ 1200 U16_GET(buf, 0, extractedLen-extractedLen, extractedLen, c32); 1201 TEST_ASSERT(c32 == c32Map[i]); 1202 } 1203 } 1204 1205 utext_close(ut); 1206 } 1207 } 1208 1209 1210 void UTextTest::FreezeTest() { 1211 // Check isWritable() and freeze() behavior. 1212 // 1213 1214 UnicodeString ustr("Hello, World."); 1215 const char u8str[] = {char(0x31), (char)0x32, (char)0x33, 0}; 1216 const UChar u16str[] = {(UChar)0x31, (UChar)0x32, (UChar)0x44, 0}; 1217 1218 UErrorCode status = U_ZERO_ERROR; 1219 UText *ut = NULL; 1220 UText *ut2 = NULL; 1221 1222 ut = utext_openUTF8(ut, u8str, -1, &status); 1223 TEST_SUCCESS(status); 1224 UBool writable = utext_isWritable(ut); 1225 TEST_ASSERT(writable == FALSE); 1226 utext_copy(ut, 1, 2, 0, TRUE, &status); 1227 TEST_ASSERT(status == U_NO_WRITE_PERMISSION); 1228 1229 status = U_ZERO_ERROR; 1230 ut = utext_openUChars(ut, u16str, -1, &status); 1231 TEST_SUCCESS(status); 1232 writable = utext_isWritable(ut); 1233 TEST_ASSERT(writable == FALSE); 1234 utext_copy(ut, 1, 2, 0, TRUE, &status); 1235 TEST_ASSERT(status == U_NO_WRITE_PERMISSION); 1236 1237 status = U_ZERO_ERROR; 1238 ut = utext_openUnicodeString(ut, &ustr, &status); 1239 TEST_SUCCESS(status); 1240 writable = utext_isWritable(ut); 1241 TEST_ASSERT(writable == TRUE); 1242 utext_freeze(ut); 1243 writable = utext_isWritable(ut); 1244 TEST_ASSERT(writable == FALSE); 1245 utext_copy(ut, 1, 2, 0, TRUE, &status); 1246 TEST_ASSERT(status == U_NO_WRITE_PERMISSION); 1247 1248 status = U_ZERO_ERROR; 1249 ut = utext_openUnicodeString(ut, &ustr, &status); 1250 TEST_SUCCESS(status); 1251 ut2 = utext_clone(ut2, ut, FALSE, FALSE, &status); // clone with readonly = false 1252 TEST_SUCCESS(status); 1253 writable = utext_isWritable(ut2); 1254 TEST_ASSERT(writable == TRUE); 1255 ut2 = utext_clone(ut2, ut, FALSE, TRUE, &status); // clone with readonly = true 1256 TEST_SUCCESS(status); 1257 writable = utext_isWritable(ut2); 1258 TEST_ASSERT(writable == FALSE); 1259 utext_copy(ut2, 1, 2, 0, TRUE, &status); 1260 TEST_ASSERT(status == U_NO_WRITE_PERMISSION); 1261 1262 status = U_ZERO_ERROR; 1263 ut = utext_openConstUnicodeString(ut, (const UnicodeString *)&ustr, &status); 1264 TEST_SUCCESS(status); 1265 writable = utext_isWritable(ut); 1266 TEST_ASSERT(writable == FALSE); 1267 utext_copy(ut, 1, 2, 0, TRUE, &status); 1268 TEST_ASSERT(status == U_NO_WRITE_PERMISSION); 1269 1270 // Deep Clone of a frozen UText should re-enable writing in the copy. 1271 status = U_ZERO_ERROR; 1272 ut = utext_openUnicodeString(ut, &ustr, &status); 1273 TEST_SUCCESS(status); 1274 utext_freeze(ut); 1275 ut2 = utext_clone(ut2, ut, TRUE, FALSE, &status); // deep clone 1276 TEST_SUCCESS(status); 1277 writable = utext_isWritable(ut2); 1278 TEST_ASSERT(writable == TRUE); 1279 1280 1281 // Deep clone of a frozen UText, where the base type is intrinsically non-writable, 1282 // should NOT enable writing in the copy. 1283 status = U_ZERO_ERROR; 1284 ut = utext_openUChars(ut, u16str, -1, &status); 1285 TEST_SUCCESS(status); 1286 utext_freeze(ut); 1287 ut2 = utext_clone(ut2, ut, TRUE, FALSE, &status); // deep clone 1288 TEST_SUCCESS(status); 1289 writable = utext_isWritable(ut2); 1290 TEST_ASSERT(writable == FALSE); 1291 1292 // cleanup 1293 utext_close(ut); 1294 utext_close(ut2); 1295 } 1296 1297 1298 // 1299 // Fragmented UText 1300 // A UText type that works with a chunk size of 1. 1301 // Intended to test for edge cases. 1302 // Input comes from a UnicodeString. 1303 // 1304 // ut.b the character. Put into both halves. 1305 // 1306 1307 U_CDECL_BEGIN 1308 static UBool U_CALLCONV 1309 fragTextAccess(UText *ut, int64_t index, UBool forward) { 1310 const UnicodeString *us = (const UnicodeString *)ut->context; 1311 UChar c; 1312 int32_t length = us->length(); 1313 if (forward && index>=0 && index<length) { 1314 c = us->charAt((int32_t)index); 1315 ut->b = c | c<<16; 1316 ut->chunkOffset = 0; 1317 ut->chunkLength = 1; 1318 ut->chunkNativeStart = index; 1319 ut->chunkNativeLimit = index+1; 1320 return true; 1321 } 1322 if (!forward && index>0 && index <=length) { 1323 c = us->charAt((int32_t)index-1); 1324 ut->b = c | c<<16; 1325 ut->chunkOffset = 1; 1326 ut->chunkLength = 1; 1327 ut->chunkNativeStart = index-1; 1328 ut->chunkNativeLimit = index; 1329 return true; 1330 } 1331 ut->b = 0; 1332 ut->chunkOffset = 0; 1333 ut->chunkLength = 0; 1334 if (index <= 0) { 1335 ut->chunkNativeStart = 0; 1336 ut->chunkNativeLimit = 0; 1337 } else { 1338 ut->chunkNativeStart = length; 1339 ut->chunkNativeLimit = length; 1340 } 1341 return false; 1342 } 1343 1344 // Function table to be used with this fragmented text provider. 1345 // Initialized in the open function. 1346 static UTextFuncs fragmentFuncs; 1347 1348 // Clone function for fragmented text provider. 1349 // Didn't really want to provide this, but it's easier to provide it than to keep it 1350 // out of the tests. 1351 // 1352 UText * 1353 cloneFragmentedUnicodeString(UText *dest, const UText *src, UBool deep, UErrorCode *status) { 1354 if (U_FAILURE(*status)) { 1355 return NULL; 1356 } 1357 if (deep) { 1358 *status = U_UNSUPPORTED_ERROR; 1359 return NULL; 1360 } 1361 dest = utext_openUnicodeString(dest, (UnicodeString *)src->context, status); 1362 utext_setNativeIndex(dest, utext_getNativeIndex(src)); 1363 return dest; 1364 } 1365 1366 U_CDECL_END 1367 1368 // Open function for the fragmented text provider. 1369 UText * 1370 openFragmentedUnicodeString(UText *ut, UnicodeString *s, UErrorCode *status) { 1371 ut = utext_openUnicodeString(ut, s, status); 1372 if (U_FAILURE(*status)) { 1373 return ut; 1374 } 1375 1376 // Copy of the function table from the stock UnicodeString UText, 1377 // and replace the entry for the access function. 1378 memcpy(&fragmentFuncs, ut->pFuncs, sizeof(fragmentFuncs)); 1379 fragmentFuncs.access = fragTextAccess; 1380 fragmentFuncs.clone = cloneFragmentedUnicodeString; 1381 ut->pFuncs = &fragmentFuncs; 1382 1383 ut->chunkContents = (UChar *)&ut->b; 1384 ut->pFuncs->access(ut, 0, TRUE); 1385 return ut; 1386 } 1387 1388 // Regression test for Ticket 5560 1389 // Clone fails to update chunkContentPointer in the cloned copy. 1390 // This is only an issue for UText types that work in a local buffer, 1391 // (UTF-8 wrapper, for example) 1392 // 1393 // The test: 1394 // 1. Create an inital UText 1395 // 2. Deep clone it. Contents should match original. 1396 // 3. Reset original to something different. 1397 // 4. Check that clone contents did not change. 1398 // 1399 void UTextTest::Ticket5560() { 1400 /* The following two strings are in UTF-8 even on EBCDIC platforms. */ 1401 static const char s1[] = {0x41,0x42,0x43,0x44,0x45,0x46,0}; /* "ABCDEF" */ 1402 static const char s2[] = {0x31,0x32,0x33,0x34,0x35,0x36,0}; /* "123456" */ 1403 UErrorCode status = U_ZERO_ERROR; 1404 1405 UText ut1 = UTEXT_INITIALIZER; 1406 UText ut2 = UTEXT_INITIALIZER; 1407 1408 utext_openUTF8(&ut1, s1, -1, &status); 1409 UChar c = utext_next32(&ut1); 1410 TEST_ASSERT(c == 0x41); // c == 'A' 1411 1412 utext_clone(&ut2, &ut1, TRUE, FALSE, &status); 1413 TEST_SUCCESS(status); 1414 c = utext_next32(&ut2); 1415 TEST_ASSERT(c == 0x42); // c == 'B' 1416 c = utext_next32(&ut1); 1417 TEST_ASSERT(c == 0x42); // c == 'B' 1418 1419 utext_openUTF8(&ut1, s2, -1, &status); 1420 c = utext_next32(&ut1); 1421 TEST_ASSERT(c == 0x31); // c == '1' 1422 c = utext_next32(&ut2); 1423 TEST_ASSERT(c == 0x43); // c == 'C' 1424 1425 utext_close(&ut1); 1426 utext_close(&ut2); 1427 } 1428 1429 1430 // Test for Ticket 6847 1431 // 1432 void UTextTest::Ticket6847() { 1433 const int STRLEN = 90; 1434 UChar s[STRLEN+1]; 1435 u_memset(s, 0x41, STRLEN); 1436 s[STRLEN] = 0; 1437 1438 UErrorCode status = U_ZERO_ERROR; 1439 UText *ut = utext_openUChars(NULL, s, -1, &status); 1440 1441 utext_setNativeIndex(ut, 0); 1442 int32_t count = 0; 1443 UChar32 c = 0; 1444 int64_t nativeIndex = UTEXT_GETNATIVEINDEX(ut); 1445 TEST_ASSERT(nativeIndex == 0); 1446 while ((c = utext_next32(ut)) != U_SENTINEL) { 1447 TEST_ASSERT(c == 0x41); 1448 TEST_ASSERT(count < STRLEN); 1449 if (count >= STRLEN) { 1450 break; 1451 } 1452 count++; 1453 nativeIndex = UTEXT_GETNATIVEINDEX(ut); 1454 TEST_ASSERT(nativeIndex == count); 1455 } 1456 TEST_ASSERT(count == STRLEN); 1457 nativeIndex = UTEXT_GETNATIVEINDEX(ut); 1458 TEST_ASSERT(nativeIndex == STRLEN); 1459 utext_close(ut); 1460 } 1461 1462 1463 void UTextTest::Ticket10562() { 1464 // Note: failures show as a heap error when the test is run under valgrind. 1465 UErrorCode status = U_ZERO_ERROR; 1466 1467 const char *utf8_string = "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"; 1468 UText *utf8Text = utext_openUTF8(NULL, utf8_string, -1, &status); 1469 TEST_SUCCESS(status); 1470 UText *deepClone = utext_clone(NULL, utf8Text, TRUE, FALSE, &status); 1471 TEST_SUCCESS(status); 1472 UText *shallowClone = utext_clone(NULL, deepClone, FALSE, FALSE, &status); 1473 TEST_SUCCESS(status); 1474 utext_close(shallowClone); 1475 utext_close(deepClone); 1476 utext_close(utf8Text); 1477 1478 status = U_ZERO_ERROR; 1479 UnicodeString usString("Hello, World."); 1480 UText *usText = utext_openUnicodeString(NULL, &usString, &status); 1481 TEST_SUCCESS(status); 1482 UText *usDeepClone = utext_clone(NULL, usText, TRUE, FALSE, &status); 1483 TEST_SUCCESS(status); 1484 UText *usShallowClone = utext_clone(NULL, usDeepClone, FALSE, FALSE, &status); 1485 TEST_SUCCESS(status); 1486 utext_close(usShallowClone); 1487 utext_close(usDeepClone); 1488 utext_close(usText); 1489 } 1490 1491 1492 void UTextTest::Ticket10983() { 1493 // Note: failure shows as a seg fault when the defect is present. 1494 1495 UErrorCode status = U_ZERO_ERROR; 1496 UnicodeString s("Hello, World"); 1497 UText *ut = utext_openConstUnicodeString(NULL, &s, &status); 1498 TEST_SUCCESS(status); 1499 1500 status = U_INVALID_STATE_ERROR; 1501 UText *cloned = utext_clone(NULL, ut, TRUE, TRUE, &status); 1502 TEST_ASSERT(cloned == NULL); 1503 TEST_ASSERT(status == U_INVALID_STATE_ERROR); 1504 1505 utext_close(ut); 1506 } 1507 1508 // Ticket 12130 - extract on a UText wrapping a null terminated UChar * string 1509 // leaves the iteration position set incorrectly when the 1510 // actual string length is not yet known. 1511 // 1512 // The test text needs to be long enough that UText defers getting the length. 1513 1514 void UTextTest::Ticket12130() { 1515 UErrorCode status = U_ZERO_ERROR; 1516 1517 const char *text8 = 1518 "Fundamentally, computers just deal with numbers. They store letters and other characters " 1519 "by assigning a number for each one. Before Unicode was invented, there were hundreds " 1520 "of different encoding systems for assigning these numbers. No single encoding could " 1521 "contain enough characters: for example, the European Union alone requires several " 1522 "different encodings to cover all its languages. Even for a single language like " 1523 "English no single encoding was adequate for all the letters, punctuation, and technical " 1524 "symbols in common use."; 1525 1526 UnicodeString str(text8); 1527 const UChar *ustr = str.getTerminatedBuffer(); 1528 UText ut = UTEXT_INITIALIZER; 1529 utext_openUChars(&ut, ustr, -1, &status); 1530 UChar extractBuffer[50]; 1531 1532 for (int32_t startIdx = 0; startIdx<str.length(); ++startIdx) { 1533 int32_t endIdx = startIdx + 20; 1534 1535 u_memset(extractBuffer, 0, UPRV_LENGTHOF(extractBuffer)); 1536 utext_extract(&ut, startIdx, endIdx, extractBuffer, UPRV_LENGTHOF(extractBuffer), &status); 1537 if (U_FAILURE(status)) { 1538 errln("%s:%d %s", __FILE__, __LINE__, u_errorName(status)); 1539 return; 1540 } 1541 int64_t ni = utext_getNativeIndex(&ut); 1542 int64_t expectedni = startIdx + 20; 1543 if (expectedni > str.length()) { 1544 expectedni = str.length(); 1545 } 1546 if (expectedni != ni) { 1547 errln("%s:%d utext_getNativeIndex() expected %d, got %d", __FILE__, __LINE__, expectedni, ni); 1548 } 1549 if (0 != str.tempSubString(startIdx, 20).compare(extractBuffer)) { 1550 errln("%s:%d utext_extract() failed. expected \"%s\", got \"%s\"", 1551 __FILE__, __LINE__, CStr(str.tempSubString(startIdx, 20))(), CStr(UnicodeString(extractBuffer))()); 1552 } 1553 } 1554 utext_close(&ut); 1555 1556 // Similar utext extract, this time with the string length provided to the UText in advance, 1557 // and a buffer of larger than required capacity. 1558 1559 utext_openUChars(&ut, ustr, str.length(), &status); 1560 for (int32_t startIdx = 0; startIdx<str.length(); ++startIdx) { 1561 int32_t endIdx = startIdx + 20; 1562 u_memset(extractBuffer, 0, UPRV_LENGTHOF(extractBuffer)); 1563 utext_extract(&ut, startIdx, endIdx, extractBuffer, UPRV_LENGTHOF(extractBuffer), &status); 1564 if (U_FAILURE(status)) { 1565 errln("%s:%d %s", __FILE__, __LINE__, u_errorName(status)); 1566 return; 1567 } 1568 int64_t ni = utext_getNativeIndex(&ut); 1569 int64_t expectedni = startIdx + 20; 1570 if (expectedni > str.length()) { 1571 expectedni = str.length(); 1572 } 1573 if (expectedni != ni) { 1574 errln("%s:%d utext_getNativeIndex() expected %d, got %d", __FILE__, __LINE__, expectedni, ni); 1575 } 1576 if (0 != str.tempSubString(startIdx, 20).compare(extractBuffer)) { 1577 errln("%s:%d utext_extract() failed. expected \"%s\", got \"%s\"", 1578 __FILE__, __LINE__, CStr(str.tempSubString(startIdx, 20))(), CStr(UnicodeString(extractBuffer))()); 1579 } 1580 } 1581 utext_close(&ut); 1582 } 1583 1584 // Ticket 13344 The macro form of UTEXT_SETNATIVEINDEX failed when target was a trail surrogate 1585 // of a supplementary character. 1586 1587 void UTextTest::Ticket13344() { 1588 UErrorCode status = U_ZERO_ERROR; 1589 const char16_t *str = u"abc\U0010abcd xyz"; 1590 LocalUTextPointer ut(utext_openUChars(NULL, str, -1, &status)); 1591 1592 assertSuccess("UTextTest::Ticket13344-status", status); 1593 UTEXT_SETNATIVEINDEX(ut.getAlias(), 3); 1594 assertEquals("UTextTest::Ticket13344-lead", (int64_t)3, utext_getNativeIndex(ut.getAlias())); 1595 UTEXT_SETNATIVEINDEX(ut.getAlias(), 4); 1596 assertEquals("UTextTest::Ticket13344-trail", (int64_t)3, utext_getNativeIndex(ut.getAlias())); 1597 UTEXT_SETNATIVEINDEX(ut.getAlias(), 5); 1598 assertEquals("UTextTest::Ticket13344-bmp", (int64_t)5, utext_getNativeIndex(ut.getAlias())); 1599 1600 utext_setNativeIndex(ut.getAlias(), 3); 1601 assertEquals("UTextTest::Ticket13344-lead-2", (int64_t)3, utext_getNativeIndex(ut.getAlias())); 1602 utext_setNativeIndex(ut.getAlias(), 4); 1603 assertEquals("UTextTest::Ticket13344-trail-2", (int64_t)3, utext_getNativeIndex(ut.getAlias())); 1604 utext_setNativeIndex(ut.getAlias(), 5); 1605 assertEquals("UTextTest::Ticket13344-bmp-2", (int64_t)5, utext_getNativeIndex(ut.getAlias())); 1606 } 1607 1608
