icuSources/test/intltest/regcoll.cpp

   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) 1997-2016, International Business Machines Corporation and
   6  * others. All Rights Reserved.
   7  ********************************************************************/
   8
   9 #include "unicode/utypes.h"
  10
  11 #if !UCONFIG_NO_COLLATION
  12
  13 #include "unicode/coll.h"
  14 #include "unicode/localpointer.h"
  15 #include "unicode/tblcoll.h"
  16 #include "unicode/unistr.h"
  17 #include "unicode/sortkey.h"
  18 #include "regcoll.h"
  19 #include "sfwdchit.h"
  20 #include "testutil.h"
  21 #include "cmemory.h"
  22
  23 CollationRegressionTest::CollationRegressionTest()
  24 {
  25     UErrorCode status = U_ZERO_ERROR;
  26
  27     en_us = (RuleBasedCollator *)Collator::createInstance(Locale::getUS(), status);
  28     if(U_FAILURE(status)) {
  29       delete en_us;
  30       en_us = 0;
  31       errcheckln(status, "Collator creation failed with %s", u_errorName(status));
  32       return;
  33     }
  34 }
  35
  36 CollationRegressionTest::~CollationRegressionTest()
  37 {
  38     delete en_us;
  39 }
  40
  41
  42     // @bug 4048446
  43 //
  44 // CollationElementIterator.reset() doesn't work
  45 //
  46 void CollationRegressionTest::Test4048446(/* char* par */)
  47 {
  48     const UnicodeString test1 = "XFILE What subset of all possible test cases has the highest probability of detecting the most errors?";
  49     const UnicodeString test2 = "Xf_ile What subset of all possible test cases has the lowest probability of detecting the least errors?";
  50     CollationElementIterator *i1 = en_us->createCollationElementIterator(test1);
  51     CollationElementIterator *i2 = en_us->createCollationElementIterator(test1);
  52     UErrorCode status = U_ZERO_ERROR;
  53
  54     if (i1 == NULL|| i2 == NULL)
  55     {
  56         errln("Could not create CollationElementIterator's");
  57         delete i1;
  58         delete i2;
  59         return;
  60     }
  61
  62     while (i1->next(status) != CollationElementIterator::NULLORDER)
  63     {
  64         if (U_FAILURE(status))
  65         {
  66             errln("error calling next()");
  67
  68             delete i1;
  69             delete i2;
  70             return;
  71         }
  72     }
  73
  74     i1->reset();
  75
  76     assertEqual(*i1, *i2);
  77
  78     delete i1;
  79     delete i2;
  80 }
  81
  82 // @bug 4051866
  83 //
  84 // Collator -> rules -> Collator round-trip broken for expanding characters
  85 //
  86 void CollationRegressionTest::Test4051866(/* char* par */)
  87 {
  88     UnicodeString rules;
  89     UErrorCode status = U_ZERO_ERROR;
  90
  91     rules += "&n < o ";
  92     rules += "& oe ,o";
  93     rules += (UChar)0x3080;
  94     rules += "& oe ,";
  95     rules += (UChar)0x1530;
  96     rules += " ,O";
  97     rules += "& OE ,O";
  98     rules += (UChar)0x3080;
  99     rules += "& OE ,";
 100     rules += (UChar)0x1520;
 101     rules += "< p ,P";
 102
 103     // Build a collator containing expanding characters
 104     LocalPointer<RuleBasedCollator> c1(new RuleBasedCollator(rules, status), status);
 105     if (U_FAILURE(status)) {
 106         errln("RuleBasedCollator(rule string) failed - %s", u_errorName(status));
 107         return;
 108     }
 109
 110     // Build another using the rules from  the first
 111     LocalPointer<RuleBasedCollator> c2(new RuleBasedCollator(c1->getRules(), status), status);
 112     if (U_FAILURE(status)) {
 113         errln("RuleBasedCollator(rule string from other RBC) failed - %s", u_errorName(status));
 114         return;
 115     }
 116
 117     // Make sure they're the same
 118     if (!(c1->getRules() == c2->getRules()))
 119     {
 120         errln("Rules are not equal");
 121     }
 122 }
 123
 124 // @bug 4053636
 125 //
 126 // Collator thinks "black-bird" == "black"
 127 //
 128 void CollationRegressionTest::Test4053636(/* char* par */)
 129 {
 130     if (en_us->equals("black_bird", "black"))
 131     {
 132         errln("black-bird == black");
 133     }
 134 }
 135
 136 // @bug 4054238
 137 //
 138 // CollationElementIterator will not work correctly if the associated
 139 // Collator object's mode is changed
 140 //
 141 void CollationRegressionTest::Test4054238(/* char* par */)
 142 {
 143     const UChar chars3[] = {0x61, 0x00FC, 0x62, 0x65, 0x63, 0x6b, 0x20, 0x47, 0x72, 0x00F6, 0x00DF, 0x65, 0x20, 0x4c, 0x00FC, 0x62, 0x63, 0x6b, 0};
 144     const UnicodeString test3(chars3);
 145     RuleBasedCollator *c = (RuleBasedCollator *) en_us->clone();
 146
 147     // NOTE: The Java code uses en_us to create the CollationElementIterators
 148     // but I'm pretty sure that's wrong, so I've changed this to use c.
 149     UErrorCode status = U_ZERO_ERROR;
 150     c->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
 151     CollationElementIterator *i1 = c->createCollationElementIterator(test3);
 152     delete i1;
 153     delete c;
 154 }
 155
 156 // @bug 4054734
 157 //
 158 // Collator::IDENTICAL documented but not implemented
 159 //
 160 void CollationRegressionTest::Test4054734(/* char* par */)
 161 {
 162     /*
 163         Here's the original Java:
 164
 165         String[] decomp = {
 166             "\u0001",   "<",    "\u0002",
 167             "\u0001",   "=",    "\u0001",
 168             "A\u0001",  ">",    "~\u0002",      // Ensure A and ~ are not compared bitwise
 169             "\u00C0",   "=",    "A\u0300"       // Decomp should make these equal
 170         };
 171
 172         String[] nodecomp = {
 173             "\u00C0",   ">",    "A\u0300"       // A-grave vs. A combining-grave
 174         };
 175     */
 176
 177     static const UChar decomp[][CollationRegressionTest::MAX_TOKEN_LEN] =
 178     {
 179         {0x0001, 0},      {0x3c, 0}, {0x0002, 0},
 180         {0x0001, 0},      {0x3d, 0}, {0x0001, 0},
 181         {0x41, 0x0001, 0}, {0x3e, 0}, {0x7e, 0x0002, 0},
 182         {0x00c0, 0},      {0x3d, 0}, {0x41, 0x0300, 0}
 183     };
 184
 185
 186     UErrorCode status = U_ZERO_ERROR;
 187     RuleBasedCollator *c = (RuleBasedCollator *) en_us->clone();
 188
 189     c->setStrength(Collator::IDENTICAL);
 190
 191     c->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
 192     compareArray(*c, decomp, UPRV_LENGTHOF(decomp));
 193
 194     delete c;
 195 }
 196
 197 // @bug 4054736
 198 //
 199 // Full Decomposition mode not implemented
 200 //
 201 void CollationRegressionTest::Test4054736(/* char* par */)
 202 {
 203     UErrorCode status = U_ZERO_ERROR;
 204     RuleBasedCollator *c = (RuleBasedCollator *) en_us->clone();
 205
 206     c->setStrength(Collator::SECONDARY);
 207     c->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
 208
 209     static const UChar tests[][CollationRegressionTest::MAX_TOKEN_LEN] =
 210     {
 211         {0xFB4F, 0}, {0x3d, 0}, {0x05D0, 0x05DC}  // Alef-Lamed vs. Alef, Lamed
 212     };
 213
 214     compareArray(*c, tests, UPRV_LENGTHOF(tests));
 215
 216     delete c;
 217 }
 218
 219 // @bug 4058613
 220 //
 221 // Collator::createInstance() causes an ArrayIndexOutofBoundsException for Korean
 222 //
 223 void CollationRegressionTest::Test4058613(/* char* par */)
 224 {
 225     // Creating a default collator doesn't work when Korean is the default
 226     // locale
 227
 228     Locale oldDefault = Locale::getDefault();
 229     UErrorCode status = U_ZERO_ERROR;
 230
 231     Locale::setDefault(Locale::getKorean(), status);
 232
 233     if (U_FAILURE(status))
 234     {
 235         errln("Could not set default locale to Locale::KOREAN");
 236         return;
 237     }
 238
 239     Collator *c = NULL;
 240
 241     c = Collator::createInstance("en_US", status);
 242
 243     if (c == NULL || U_FAILURE(status))
 244     {
 245         errln("Could not create a Korean collator");
 246         Locale::setDefault(oldDefault, status);
 247         delete c;
 248         return;
 249     }
 250
 251     // Since the fix to this bug was to turn off decomposition for Korean collators,
 252     // ensure that's what we got
 253     if (c->getAttribute(UCOL_NORMALIZATION_MODE, status) != UCOL_OFF)
 254     {
 255       errln("Decomposition is not set to NO_DECOMPOSITION for Korean collator");
 256     }
 257
 258     delete c;
 259
 260     Locale::setDefault(oldDefault, status);
 261 }
 262
 263 // @bug 4059820
 264 //
 265 // RuleBasedCollator.getRules does not return the exact pattern as input
 266 // for expanding character sequences
 267 //
 268 void CollationRegressionTest::Test4059820(/* char* par */)
 269 {
 270     UErrorCode status = U_ZERO_ERROR;
 271
 272     RuleBasedCollator *c = NULL;
 273     UnicodeString rules = "&9 < a < b , c/a < d < z";
 274
 275     c = new RuleBasedCollator(rules, status);
 276
 277     if (c == NULL || U_FAILURE(status))
 278     {
 279         errln("Failure building a collator.");
 280         delete c;
 281         return;
 282     }
 283
 284     if ( c->getRules().indexOf("c/a") == -1)
 285     {
 286         errln("returned rules do not contain 'c/a'");
 287     }
 288
 289     delete c;
 290 }
 291
 292 // @bug 4060154
 293 //
 294 // MergeCollation::fixEntry broken for "& H < \u0131, \u0130, i, I"
 295 //
 296 void CollationRegressionTest::Test4060154(/* char* par */)
 297 {
 298     UErrorCode status = U_ZERO_ERROR;
 299     UnicodeString rules;
 300
 301     rules += "&f < g, G < h, H < i, I < j, J";
 302     rules +=  " & H < ";
 303     rules += (UChar)0x0131;
 304     rules += ", ";
 305     rules += (UChar)0x0130;
 306     rules += ", i, I";
 307
 308     RuleBasedCollator *c = NULL;
 309
 310     c = new RuleBasedCollator(rules, status);
 311
 312     if (c == NULL || U_FAILURE(status))
 313     {
 314         errln("failure building collator.");
 315         delete c;
 316         return;
 317     }
 318
 319     c->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
 320
 321  /*
 322     String[] tertiary = {
 323         "A",        "<",    "B",
 324         "H",        "<",    "\u0131",
 325         "H",        "<",    "I",
 326         "\u0131",   "<",    "\u0130",
 327         "\u0130",   "<",    "i",
 328         "\u0130",   ">",    "H",
 329     };
 330 */
 331
 332     static const UChar tertiary[][CollationRegressionTest::MAX_TOKEN_LEN] =
 333     {
 334         {0x41, 0},    {0x3c, 0}, {0x42, 0},
 335         {0x48, 0},    {0x3c, 0}, {0x0131, 0},
 336         {0x48, 0},    {0x3c, 0}, {0x49, 0},
 337         {0x0131, 0}, {0x3c, 0}, {0x0130, 0},
 338         {0x0130, 0}, {0x3c, 0}, {0x69, 0},
 339         {0x0130, 0}, {0x3e, 0}, {0x48, 0}
 340     };
 341
 342     c->setStrength(Collator::TERTIARY);
 343     compareArray(*c, tertiary, UPRV_LENGTHOF(tertiary));
 344
 345     /*
 346     String[] secondary = {
 347         "H",        "<",    "I",
 348         "\u0131",   "=",    "\u0130",
 349     };
 350 */
 351     static const UChar secondary[][CollationRegressionTest::MAX_TOKEN_LEN] =
 352     {
 353         {0x48, 0},    {0x3c, 0}, {0x49, 0},
 354         {0x0131, 0}, {0x3d, 0}, {0x0130, 0}
 355     };
 356
 357     c->setStrength(Collator::PRIMARY);
 358     compareArray(*c, secondary, UPRV_LENGTHOF(secondary));
 359
 360     delete c;
 361 }
 362
 363 // @bug 4062418
 364 //
 365 // Secondary/Tertiary comparison incorrect in French Secondary
 366 //
 367 void CollationRegressionTest::Test4062418(/* char* par */)
 368 {
 369     UErrorCode status = U_ZERO_ERROR;
 370
 371     RuleBasedCollator *c = NULL;
 372
 373     c = (RuleBasedCollator *) Collator::createInstance(Locale::getCanadaFrench(), status);
 374
 375     if (c == NULL || U_FAILURE(status))
 376     {
 377         errln("Failed to create collator for Locale::getCanadaFrench()");
 378         delete c;
 379         return;
 380     }
 381
 382     c->setStrength(Collator::SECONDARY);
 383
 384 /*
 385     String[] tests = {
 386             "p\u00eache",    "<",    "p\u00e9ch\u00e9",    // Comparing accents from end, p\u00e9ch\u00e9 is greater
 387     };
 388 */
 389     static const UChar tests[][CollationRegressionTest::MAX_TOKEN_LEN] =
 390     {
 391         {0x70, 0x00EA, 0x63, 0x68, 0x65, 0}, {0x3c, 0}, {0x70, 0x00E9, 0x63, 0x68, 0x00E9, 0}
 392     };
 393
 394     compareArray(*c, tests, UPRV_LENGTHOF(tests));
 395
 396     delete c;
 397 }
 398
 399 // @bug 4065540
 400 //
 401 // Collator::compare() method broken if either string contains spaces
 402 //
 403 void CollationRegressionTest::Test4065540(/* char* par */)
 404 {
 405     if (en_us->compare("abcd e", "abcd f") == 0)
 406     {
 407         errln("'abcd e' == 'abcd f'");
 408     }
 409 }
 410
 411 // @bug 4066189
 412 //
 413 // Unicode characters need to be recursively decomposed to get the
 414 // correct result. For example,
 415 // u1EB1 -> \u0103 + \u0300 -> a + \u0306 + \u0300.
 416 //
 417 void CollationRegressionTest::Test4066189(/* char* par */)
 418 {
 419     static const UChar chars1[] = {0x1EB1, 0};
 420     static const UChar chars2[] = {0x61, 0x0306, 0x0300, 0};
 421     const UnicodeString test1(chars1);
 422     const UnicodeString test2(chars2);
 423     UErrorCode status = U_ZERO_ERROR;
 424
 425     // NOTE: The java code used en_us to create the
 426     // CollationElementIterator's. I'm pretty sure that
 427     // was wrong, so I've change the code to use c1 and c2
 428     RuleBasedCollator *c1 = (RuleBasedCollator *) en_us->clone();
 429     c1->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
 430     CollationElementIterator *i1 = c1->createCollationElementIterator(test1);
 431
 432     RuleBasedCollator *c2 = (RuleBasedCollator *) en_us->clone();
 433     c2->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_OFF, status);
 434     CollationElementIterator *i2 = c2->createCollationElementIterator(test2);
 435
 436     assertEqual(*i1, *i2);
 437
 438     delete i2;
 439     delete c2;
 440     delete i1;
 441     delete c1;
 442 }
 443
 444 // @bug 4066696
 445 //
 446 // French secondary collation checking at the end of compare iteration fails
 447 //
 448 void CollationRegressionTest::Test4066696(/* char* par */)
 449 {
 450     UErrorCode status = U_ZERO_ERROR;
 451     RuleBasedCollator *c = NULL;
 452
 453     c = (RuleBasedCollator *)Collator::createInstance(Locale::getCanadaFrench(), status);
 454
 455     if (c == NULL || U_FAILURE(status))
 456     {
 457         errln("Failure creating collator for Locale::getCanadaFrench()");
 458         delete c;
 459         return;
 460     }
 461
 462     c->setStrength(Collator::SECONDARY);
 463
 464 /*
 465     String[] tests = {
 466         "\u00e0",   "<",     "\u01fa",       // a-grave <  A-ring-acute
 467     };
 468
 469   should be:
 470
 471     String[] tests = {
 472         "\u00e0",   ">",     "\u01fa",       // a-grave <  A-ring-acute
 473     };
 474
 475 */
 476
 477     static const UChar tests[][CollationRegressionTest::MAX_TOKEN_LEN] =
 478     {
 479         {0x00E0, 0}, {0x3e, 0}, {0x01FA, 0}
 480     };
 481
 482     compareArray(*c, tests, UPRV_LENGTHOF(tests));
 483
 484     delete c;
 485 }
 486
 487 // @bug 4076676
 488 //
 489 // Bad canonicalization of same-class combining characters
 490 //
 491 void CollationRegressionTest::Test4076676(/* char* par */)
 492 {
 493     // These combining characters are all in the same class, so they should not
 494     // be reordered, and they should compare as unequal.
 495     static const UChar s1[] = {0x41, 0x0301, 0x0302, 0x0300, 0};
 496     static const UChar s2[] = {0x41, 0x0302, 0x0300, 0x0301, 0};
 497
 498     RuleBasedCollator *c = (RuleBasedCollator *) en_us->clone();
 499     c->setStrength(Collator::TERTIARY);
 500
 501     if (c->compare(s1,s2) == 0)
 502     {
 503         errln("Same-class combining chars were reordered");
 504     }
 505
 506     delete c;
 507 }
 508
 509 // @bug 4079231
 510 //
 511 // RuleBasedCollator::operator==(NULL) throws NullPointerException
 512 //
 513 void CollationRegressionTest::Test4079231(/* char* par */)
 514 {
 515     // I don't think there's any way to write this test
 516     // in C++. The following is equivalent to the Java,
 517     // but doesn't compile 'cause NULL can't be converted
 518     // to Collator&
 519     //
 520     // if (en_us->operator==(NULL))
 521     // {
 522     //     errln("en_us->operator==(NULL) returned TRUE");
 523     // }
 524
 525  /*
 526    try {
 527         if (en_us->equals(null)) {
 528             errln("en_us->equals(null) returned true");
 529         }
 530     }
 531     catch (Exception e) {
 532         errln("en_us->equals(null) threw " + e.toString());
 533     }
 534 */
 535 }
 536
 537 // @bug 4078588
 538 //
 539 // RuleBasedCollator breaks on "< a < bb" rule
 540 //
 541 void CollationRegressionTest::Test4078588(/* char *par */)
 542 {
 543     UErrorCode status = U_ZERO_ERROR;
 544     RuleBasedCollator *rbc = new RuleBasedCollator("&9 < a < bb", status);
 545
 546     if (rbc == NULL || U_FAILURE(status))
 547     {
 548         errln("Failed to create RuleBasedCollator.");
 549         delete rbc;
 550         return;
 551     }
 552
 553     Collator::EComparisonResult result = rbc->compare("a","bb");
 554
 555     if (result != Collator::LESS)
 556     {
 557         errln((UnicodeString)"Compare(a,bb) returned " + (int)result
 558             + (UnicodeString)"; expected -1");
 559     }
 560
 561     delete rbc;
 562 }
 563
 564 // @bug 4081866
 565 //
 566 // Combining characters in different classes not reordered properly.
 567 //
 568 void CollationRegressionTest::Test4081866(/* char* par */)
 569 {
 570     // These combining characters are all in different classes,
 571     // so they should be reordered and the strings should compare as equal.
 572     static const UChar s1[] = {0x41, 0x0300, 0x0316, 0x0327, 0x0315, 0};
 573     static const UChar s2[] = {0x41, 0x0327, 0x0316, 0x0315, 0x0300, 0};
 574
 575     UErrorCode status = U_ZERO_ERROR;
 576     RuleBasedCollator *c = (RuleBasedCollator *) en_us->clone();
 577     c->setStrength(Collator::TERTIARY);
 578
 579     // Now that the default collators are set to NO_DECOMPOSITION
 580     // (as a result of fixing bug 4114077), we must set it explicitly
 581     // when we're testing reordering behavior.  -- lwerner, 5/5/98
 582     c->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
 583
 584     if (c->compare(s1,s2) != 0)
 585     {
 586         errln("Combining chars were not reordered");
 587     }
 588
 589     delete c;
 590 }
 591
 592 // @bug 4087241
 593 //
 594 // string comparison errors in Scandinavian collators
 595 //
 596 void CollationRegressionTest::Test4087241(/* char* par */)
 597 {
 598     UErrorCode status = U_ZERO_ERROR;
 599     Locale da_DK("da", "DK");
 600     RuleBasedCollator *c = NULL;
 601
 602     c = (RuleBasedCollator *) Collator::createInstance(da_DK, status);
 603
 604     if (c == NULL || U_FAILURE(status))
 605     {
 606         errln("Failed to create collator for da_DK locale");
 607         delete c;
 608         return;
 609     }
 610
 611     c->setStrength(Collator::SECONDARY);
 612
 613     static const UChar tests[][CollationRegressionTest::MAX_TOKEN_LEN] =
 614     {
 615         {0x7a, 0},          {0x3c, 0}, {0x00E6, 0},            // z        < ae
 616         {0x61, 0x0308, 0},  {0x3c, 0}, {0x61, 0x030A, 0},      // a-umlaut < a-ring
 617         {0x59, 0},          {0x3c, 0}, {0x75, 0x0308, 0},      // Y        < u-umlaut
 618     };
 619
 620     compareArray(*c, tests, UPRV_LENGTHOF(tests));
 621
 622     delete c;
 623 }
 624
 625 // @bug 4087243
 626 //
 627 // CollationKey takes ignorable strings into account when it shouldn't
 628 //
 629 void CollationRegressionTest::Test4087243(/* char* par */)
 630 {
 631     RuleBasedCollator *c = (RuleBasedCollator *) en_us->clone();
 632     c->setStrength(Collator::TERTIARY);
 633
 634     static const UChar tests[][CollationRegressionTest::MAX_TOKEN_LEN] =
 635     {
 636         {0x31, 0x32, 0x33, 0}, {0x3d, 0}, {0x31, 0x32, 0x33, 0x0001, 0}    // 1 2 3  =  1 2 3 ctrl-A
 637     };
 638
 639     compareArray(*c, tests, UPRV_LENGTHOF(tests));
 640
 641     delete c;
 642 }
 643
 644 // @bug 4092260
 645 //
 646 // Mu/micro conflict
 647 // Micro symbol and greek lowercase letter Mu should sort identically
 648 //
 649 void CollationRegressionTest::Test4092260(/* char* par */)
 650 {
 651     UErrorCode status = U_ZERO_ERROR;
 652     Locale el("el", "");
 653     Collator *c = NULL;
 654
 655     c = Collator::createInstance(el, status);
 656
 657     if (c == NULL || U_FAILURE(status))
 658     {
 659         errln("Failed to create collator for el locale.");
 660         delete c;
 661         return;
 662     }
 663
 664     // These now have tertiary differences in UCA
 665     c->setAttribute(UCOL_STRENGTH, UCOL_SECONDARY, status);
 666
 667     static const UChar tests[][CollationRegressionTest::MAX_TOKEN_LEN] =
 668     {
 669         {0x00B5, 0}, {0x3d, 0}, {0x03BC, 0}
 670     };
 671
 672     compareArray(*c, tests, UPRV_LENGTHOF(tests));
 673
 674     delete c;
 675 }
 676
 677 // @bug 4095316
 678 //
 679 void CollationRegressionTest::Test4095316(/* char* par */)
 680 {
 681     UErrorCode status = U_ZERO_ERROR;
 682     Locale el_GR("el", "GR");
 683     Collator *c = Collator::createInstance(el_GR, status);
 684
 685     if (c == NULL || U_FAILURE(status))
 686     {
 687         errln("Failed to create collator for el_GR locale");
 688         delete c;
 689         return;
 690     }
 691     // These now have tertiary differences in UCA
 692     //c->setStrength(Collator::TERTIARY);
 693     c->setAttribute(UCOL_STRENGTH, UCOL_SECONDARY, status);
 694
 695     static const UChar tests[][CollationRegressionTest::MAX_TOKEN_LEN] =
 696     {
 697         {0x03D4, 0}, {0x3d, 0}, {0x03AB, 0}
 698     };
 699
 700     compareArray(*c, tests, UPRV_LENGTHOF(tests));
 701
 702     delete c;
 703 }
 704
 705 // @bug 4101940
 706 //
 707 void CollationRegressionTest::Test4101940(/* char* par */)
 708 {
 709     UErrorCode status = U_ZERO_ERROR;
 710     RuleBasedCollator *c = NULL;
 711     UnicodeString rules = "&9 < a < b";
 712     UnicodeString nothing = "";
 713
 714     c = new RuleBasedCollator(rules, status);
 715
 716     if (c == NULL || U_FAILURE(status))
 717     {
 718         errln("Failed to create RuleBasedCollator");
 719         delete c;
 720         return;
 721     }
 722
 723     CollationElementIterator *i = c->createCollationElementIterator(nothing);
 724     i->reset();
 725
 726     if (i->next(status) != CollationElementIterator::NULLORDER)
 727     {
 728         errln("next did not return NULLORDER");
 729     }
 730
 731     delete i;
 732     delete c;
 733 }
 734
 735 // @bug 4103436
 736 //
 737 // Collator::compare not handling spaces properly
 738 //
 739 void CollationRegressionTest::Test4103436(/* char* par */)
 740 {
 741     RuleBasedCollator *c = (RuleBasedCollator *) en_us->clone();
 742     c->setStrength(Collator::TERTIARY);
 743
 744     static const UChar tests[][CollationRegressionTest::MAX_TOKEN_LEN] =
 745     {
 746         {0x66, 0x69, 0x6c, 0x65, 0}, {0x3c, 0}, {0x66, 0x69, 0x6c, 0x65, 0x20, 0x61, 0x63, 0x63, 0x65, 0x73, 0x73, 0},
 747         {0x66, 0x69, 0x6c, 0x65, 0}, {0x3c, 0}, {0x66, 0x69, 0x6c, 0x65, 0x61, 0x63, 0x63, 0x65, 0x73, 0x73, 0}
 748     };
 749
 750     compareArray(*c, tests, UPRV_LENGTHOF(tests));
 751
 752     delete c;
 753 }
 754
 755 // @bug 4114076
 756 //
 757 // Collation not Unicode conformant with Hangul syllables
 758 //
 759 void CollationRegressionTest::Test4114076(/* char* par */)
 760 {
 761     UErrorCode status = U_ZERO_ERROR;
 762     RuleBasedCollator *c = (RuleBasedCollator *) en_us->clone();
 763     c->setStrength(Collator::TERTIARY);
 764
 765     //
 766     // With Canonical decomposition, Hangul syllables should get decomposed
 767     // into Jamo, but Jamo characters should not be decomposed into
 768     // conjoining Jamo
 769     //
 770     static const UChar test1[][CollationRegressionTest::MAX_TOKEN_LEN] =
 771     {
 772         {0xd4db, 0}, {0x3d, 0}, {0x1111, 0x1171, 0x11b6, 0}
 773     };
 774
 775     c->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
 776     compareArray(*c, test1, UPRV_LENGTHOF(test1));
 777
 778     // From UTR #15:
 779     // *In earlier versions of Unicode, jamo characters like ksf
 780     //  had compatibility mappings to kf + sf. These mappings were
 781     //  removed in Unicode 2.1.9 to ensure that Hangul syllables are maintained.)
 782     // That is, the following test is obsolete as of 2.1.9
 783
 784 //obsolete-    // With Full decomposition, it should go all the way down to
 785 //obsolete-    // conjoining Jamo characters.
 786 //obsolete-    //
 787 //obsolete-    static const UChar test2[][CollationRegressionTest::MAX_TOKEN_LEN] =
 788 //obsolete-    {
 789 //obsolete-        {0xd4db, 0}, {0x3d, 0}, {0x1111, 0x116e, 0x1175, 0x11af, 0x11c2, 0}
 790 //obsolete-    };
 791 //obsolete-
 792 //obsolete-    c->setDecomposition(Normalizer::DECOMP_COMPAT);
 793 //obsolete-    compareArray(*c, test2, UPRV_LENGTHOF(test2));
 794
 795     delete c;
 796 }
 797
 798
 799 // @bug 4124632
 800 //
 801 // Collator::getCollationKey was hanging on certain character sequences
 802 //
 803 void CollationRegressionTest::Test4124632(/* char* par */)
 804 {
 805     UErrorCode status = U_ZERO_ERROR;
 806     Collator *coll = NULL;
 807
 808     coll = Collator::createInstance(Locale::getJapan(), status);
 809
 810     if (coll == NULL || U_FAILURE(status))
 811     {
 812         errln("Failed to create collator for Locale::JAPAN");
 813         delete coll;
 814         return;
 815     }
 816
 817     static const UChar test[] = {0x41, 0x0308, 0x62, 0x63, 0};
 818     CollationKey key;
 819
 820     coll->getCollationKey(test, key, status);
 821
 822     if (key.isBogus() || U_FAILURE(status))
 823     {
 824         errln("CollationKey creation failed.");
 825     }
 826
 827     delete coll;
 828 }
 829
 830 // @bug 4132736
 831 //
 832 // sort order of french words with multiple accents has errors
 833 //
 834 void CollationRegressionTest::Test4132736(/* char* par */)
 835 {
 836     UErrorCode status = U_ZERO_ERROR;
 837
 838     Collator *c = NULL;
 839
 840     c = Collator::createInstance(Locale::getCanadaFrench(), status);
 841     c->setStrength(Collator::TERTIARY);
 842
 843     if (c == NULL || U_FAILURE(status))
 844     {
 845         errln("Failed to create a collator for Locale::getCanadaFrench()");
 846         delete c;
 847         return;
 848     }
 849
 850     static const UChar test1[][CollationRegressionTest::MAX_TOKEN_LEN] =
 851     {
 852         {0x65, 0x0300, 0x65, 0x0301, 0}, {0x3c, 0}, {0x65, 0x0301, 0x65, 0x0300, 0},
 853         {0x65, 0x0300, 0x0301, 0},       {0x3c, 0}, {0x65, 0x0301, 0x0300, 0}
 854     };
 855
 856     compareArray(*c, test1, UPRV_LENGTHOF(test1));
 857
 858     delete c;
 859 }
 860
 861 // @bug 4133509
 862 //
 863 // The sorting using java.text.CollationKey is not in the exact order
 864 //
 865 void CollationRegressionTest::Test4133509(/* char* par */)
 866 {
 867     static const UChar test1[][CollationRegressionTest::MAX_TOKEN_LEN] =
 868     {
 869         {0x45, 0x78, 0x63, 0x65, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0}, {0x3c, 0}, {0x45, 0x78, 0x63, 0x65, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x49, 0x6e, 0x49, 0x6e, 0x69, 0x74, 0x69, 0x61, 0x6c, 0x69, 0x7a, 0x65, 0x72, 0x45, 0x72, 0x72, 0x6f, 0x72, 0},
 870         {0x47, 0x72, 0x61, 0x70, 0x68, 0x69, 0x63, 0x73, 0},      {0x3c, 0}, {0x47, 0x72, 0x61, 0x70, 0x68, 0x69, 0x63, 0x73, 0x45, 0x6e, 0x76, 0x69, 0x72, 0x6f, 0x6e, 0x6d, 0x65, 0x6e, 0x74, 0},
 871         {0x53, 0x74, 0x72, 0x69, 0x6e, 0x67, 0},                  {0x3c, 0}, {0x53, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x42, 0x75, 0x66, 0x66, 0x65, 0x72, 0}
 872     };
 873
 874     compareArray(*en_us, test1, UPRV_LENGTHOF(test1));
 875 }
 876
 877 // @bug 4114077
 878 //
 879 // Collation with decomposition off doesn't work for Europe
 880 //
 881 void CollationRegressionTest::Test4114077(/* char* par */)
 882 {
 883     // Ensure that we get the same results with decomposition off
 884     // as we do with it on....
 885
 886     UErrorCode status = U_ZERO_ERROR;
 887     RuleBasedCollator *c = (RuleBasedCollator *) en_us->clone();
 888     c->setStrength(Collator::TERTIARY);
 889
 890     static const UChar test1[][CollationRegressionTest::MAX_TOKEN_LEN] =
 891     {
 892         {0x00C0, 0},                     {0x3d, 0}, {0x41, 0x0300, 0},            // Should be equivalent
 893         {0x70, 0x00ea, 0x63, 0x68, 0x65, 0}, {0x3e, 0}, {0x70, 0x00e9, 0x63, 0x68, 0x00e9, 0},
 894         {0x0204, 0},                     {0x3d, 0}, {0x45, 0x030F, 0},
 895         {0x01fa, 0},                     {0x3d, 0}, {0x41, 0x030a, 0x0301, 0},    // a-ring-acute -> a-ring, acute
 896                                                 //   -> a, ring, acute
 897         {0x41, 0x0300, 0x0316, 0},         {0x3c, 0}, {0x41, 0x0316, 0x0300, 0}        // No reordering --> unequal
 898     };
 899
 900     c->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_OFF, status);
 901     compareArray(*c, test1, UPRV_LENGTHOF(test1));
 902
 903     static const UChar test2[][CollationRegressionTest::MAX_TOKEN_LEN] =
 904     {
 905         {0x41, 0x0300, 0x0316, 0}, {0x3d, 0}, {0x41, 0x0316, 0x0300, 0}      // Reordering --> equal
 906     };
 907
 908     c->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
 909     compareArray(*c, test2, UPRV_LENGTHOF(test2));
 910
 911     delete c;
 912 }
 913
 914 // @bug 4141640
 915 //
 916 // Support for Swedish gone in 1.1.6 (Can't create Swedish collator)
 917 //
 918 void CollationRegressionTest::Test4141640(/* char* par */)
 919 {
 920     //
 921     // Rather than just creating a Swedish collator, we might as well
 922     // try to instantiate one for every locale available on the system
 923     // in order to prevent this sort of bug from cropping up in the future
 924     //
 925     UErrorCode status = U_ZERO_ERROR;
 926     int32_t i, localeCount;
 927     const Locale *locales = Locale::getAvailableLocales(localeCount);
 928
 929     for (i = 0; i < localeCount; i += 1)
 930     {
 931         Collator *c = NULL;
 932
 933         status = U_ZERO_ERROR;
 934         c = Collator::createInstance(locales[i], status);
 935
 936         if (c == NULL || U_FAILURE(status))
 937         {
 938             UnicodeString msg, localeName;
 939
 940             msg += "Could not create collator for locale ";
 941             msg += locales[i].getName();
 942
 943             errln(msg);
 944         }
 945
 946         delete c;
 947     }
 948 }
 949
 950 // @bug 4139572
 951 //
 952 // getCollationKey throws exception for spanish text
 953 // Cannot reproduce this bug on 1.2, however it DOES fail on 1.1.6
 954 //
 955 void CollationRegressionTest::Test4139572(/* char* par */)
 956 {
 957     //
 958     // Code pasted straight from the bug report
 959     // (and then translated to C++ ;-)
 960     //
 961     // create spanish locale and collator
 962     UErrorCode status = U_ZERO_ERROR;
 963     Locale l("es", "es");
 964     Collator *col = NULL;
 965
 966     col = Collator::createInstance(l, status);
 967
 968     if (col == NULL || U_FAILURE(status))
 969     {
 970         errln("Failed to create a collator for es_es locale.");
 971         delete col;
 972         return;
 973     }
 974
 975     CollationKey key;
 976
 977     // this spanish phrase kills it!
 978     col->getCollationKey("Nombre De Objeto", key, status);
 979
 980     if (key.isBogus() || U_FAILURE(status))
 981     {
 982         errln("Error creating CollationKey for \"Nombre De Ojbeto\"");
 983     }
 984
 985     delete col;
 986 }
 987 /* HSYS : RuleBasedCollator::compare() performance enhancements
 988           compare() does not create CollationElementIterator() anymore.*/
 989
 990 class My4146160Collator : public RuleBasedCollator
 991 {
 992 public:
 993     My4146160Collator(RuleBasedCollator &rbc, UErrorCode &status);
 994     ~My4146160Collator();
 995
 996     CollationElementIterator *createCollationElementIterator(const UnicodeString &text) const;
 997
 998     CollationElementIterator *createCollationElementIterator(const CharacterIterator &text) const;
 999
1000     static int32_t count;
1001 };
1002
1003 int32_t My4146160Collator::count = 0;
1004
1005 My4146160Collator::My4146160Collator(RuleBasedCollator &rbc, UErrorCode &status)
1006   : RuleBasedCollator(rbc.getRules(), status)
1007 {
1008 }
1009
1010 My4146160Collator::~My4146160Collator()
1011 {
1012 }
1013
1014 CollationElementIterator *My4146160Collator::createCollationElementIterator(const UnicodeString &text) const
1015 {
1016     count += 1;
1017     return RuleBasedCollator::createCollationElementIterator(text);
1018 }
1019
1020 CollationElementIterator *My4146160Collator::createCollationElementIterator(const CharacterIterator &text) const
1021 {
1022     count += 1;
1023     return RuleBasedCollator::createCollationElementIterator(text);
1024 }
1025
1026 // @bug 4146160
1027 //
1028 // RuleBasedCollator doesn't use createCollationElementIterator internally
1029 //
1030 void CollationRegressionTest::Test4146160(/* char* par */)
1031 {
1032 #if 0
1033     //
1034     // Use a custom collator class whose createCollationElementIterator
1035     // methods increment a count....
1036     //
1037     UErrorCode status = U_ZERO_ERROR;
1038     CollationKey key;
1039
1040     My4146160Collator::count = 0;
1041     My4146160Collator *mc = NULL;
1042
1043     mc = new My4146160Collator(*en_us, status);
1044
1045     if (mc == NULL || U_FAILURE(status))
1046     {
1047         errln("Failed to create a My4146160Collator.");
1048         delete mc;
1049         return;
1050     }
1051
1052     mc->getCollationKey("1", key, status);
1053
1054     if (key.isBogus() || U_FAILURE(status))
1055     {
1056         errln("Failure to get a CollationKey from a My4146160Collator.");
1057         delete mc;
1058         return;
1059     }
1060
1061     if (My4146160Collator::count < 1)
1062     {
1063         errln("My4146160Collator::createCollationElementIterator not called for getCollationKey");
1064     }
1065
1066     My4146160Collator::count = 0;
1067     mc->compare("1", "2");
1068
1069     if (My4146160Collator::count < 1)
1070     {
1071         errln("My4146160Collator::createtCollationElementIterator not called for compare");
1072     }
1073
1074     delete mc;
1075 #endif
1076 }
1077
1078 void CollationRegressionTest::Test4179216() {
1079     // you can position a CollationElementIterator in the middle of
1080     // a contracting character sequence, yielding a bogus collation
1081     // element
1082     IcuTestErrorCode errorCode(*this, "Test4179216");
1083     RuleBasedCollator coll(en_us->getRules() + " & C < ch , cH , Ch , CH < cat < crunchy", errorCode);
1084     UnicodeString testText = "church church catcatcher runcrunchynchy";
1085     CollationElementIterator *iter = coll.createCollationElementIterator(testText);
1086
1087     // test that the "ch" combination works properly
1088     iter->setOffset(4, errorCode);
1089     int32_t elt4 = CollationElementIterator::primaryOrder(iter->next(errorCode));
1090
1091     iter->reset();
1092     int32_t elt0 = CollationElementIterator::primaryOrder(iter->next(errorCode));
1093
1094     iter->setOffset(5, errorCode);
1095     int32_t elt5 = CollationElementIterator::primaryOrder(iter->next(errorCode));
1096
1097     // Compares and prints only 16-bit primary weights.
1098     if (elt4 != elt0 || elt5 != elt0) {
1099         errln("The collation elements at positions 0 (0x%04x), "
1100                 "4 (0x%04x), and 5 (0x%04x) don't match.",
1101                 elt0, elt4, elt5);
1102     }
1103
1104     // test that the "cat" combination works properly
1105     iter->setOffset(14, errorCode);
1106     int32_t elt14 = CollationElementIterator::primaryOrder(iter->next(errorCode));
1107
1108     iter->setOffset(15, errorCode);
1109     int32_t elt15 = CollationElementIterator::primaryOrder(iter->next(errorCode));
1110
1111     iter->setOffset(16, errorCode);
1112     int32_t elt16 = CollationElementIterator::primaryOrder(iter->next(errorCode));
1113
1114     iter->setOffset(17, errorCode);
1115     int32_t elt17 = CollationElementIterator::primaryOrder(iter->next(errorCode));
1116
1117     iter->setOffset(18, errorCode);
1118     int32_t elt18 = CollationElementIterator::primaryOrder(iter->next(errorCode));
1119
1120     iter->setOffset(19, errorCode);
1121     int32_t elt19 = CollationElementIterator::primaryOrder(iter->next(errorCode));
1122
1123     // Compares and prints only 16-bit primary weights.
1124     if (elt14 != elt15 || elt14 != elt16 || elt14 != elt17
1125             || elt14 != elt18 || elt14 != elt19) {
1126         errln("\"cat\" elements don't match: elt14 = 0x%04x, "
1127                 "elt15 = 0x%04x, elt16 = 0x%04x, elt17 = 0x%04x, "
1128                 "elt18 = 0x%04x, elt19 = 0x%04x",
1129                 elt14, elt15, elt16, elt17, elt18, elt19);
1130     }
1131
1132     // now generate a complete list of the collation elements,
1133     // first using next() and then using setOffset(), and
1134     // make sure both interfaces return the same set of elements
1135     iter->reset();
1136
1137     int32_t elt = iter->next(errorCode);
1138     int32_t count = 0;
1139     while (elt != CollationElementIterator::NULLORDER) {
1140         ++count;
1141         elt = iter->next(errorCode);
1142     }
1143
1144     LocalArray<UnicodeString> nextElements(new UnicodeString[count]);
1145     LocalArray<UnicodeString> setOffsetElements(new UnicodeString[count]);
1146     int32_t lastPos = 0;
1147
1148     iter->reset();
1149     elt = iter->next(errorCode);
1150     count = 0;
1151     while (elt != CollationElementIterator::NULLORDER) {
1152         nextElements[count++] = testText.tempSubStringBetween(lastPos, iter->getOffset());
1153         lastPos = iter->getOffset();
1154         elt = iter->next(errorCode);
1155     }
1156     int32_t nextElementsLength = count;
1157     count = 0;
1158     for (int32_t i = 0; i < testText.length(); ) {
1159         iter->setOffset(i, errorCode);
1160         lastPos = iter->getOffset();
1161         elt = iter->next(errorCode);
1162         setOffsetElements[count++] = testText.tempSubStringBetween(lastPos, iter->getOffset());
1163         i = iter->getOffset();
1164     }
1165     for (int32_t i = 0; i < nextElementsLength; i++) {
1166         if (nextElements[i] == setOffsetElements[i]) {
1167             logln(nextElements[i]);
1168         } else {
1169             errln(UnicodeString("Error: next() yielded ") + nextElements[i] +
1170                 ", but setOffset() yielded " + setOffsetElements[i]);
1171         }
1172     }
1173     delete iter;
1174 }
1175
1176 // Ticket 7189
1177 //
1178 // nextSortKeyPart incorrect for EO_S1 collation
1179 static int32_t calcKeyIncremental(UCollator *coll, const UChar* text, int32_t len, uint8_t *keyBuf, int32_t /*keyBufLen*/, UErrorCode& status) {
1180     UCharIterator uiter;
1181     uint32_t state[2] = { 0, 0 };
1182     int32_t keyLen;
1183     int32_t count = 8;
1184
1185     uiter_setString(&uiter, text, len);
1186     keyLen = 0;
1187     while (TRUE) {
1188         int32_t keyPartLen = ucol_nextSortKeyPart(coll, &uiter, state, &keyBuf[keyLen], count, &status);
1189         if (U_FAILURE(status)) {
1190             return -1;
1191         }
1192         if (keyPartLen == 0) {
1193             break;
1194         }
1195         keyLen += keyPartLen;
1196     }
1197     return keyLen;
1198 }
1199
1200 void CollationRegressionTest::TestT7189() {
1201     UErrorCode status = U_ZERO_ERROR;
1202     UCollator *coll;
1203     uint32_t i;
1204
1205     static const UChar text1[][CollationRegressionTest::MAX_TOKEN_LEN] = {
1206     // "Achter De Hoven"
1207         { 0x41, 0x63, 0x68, 0x74, 0x65, 0x72, 0x20, 0x44, 0x65, 0x20, 0x48, 0x6F, 0x76, 0x65, 0x6E, 0x00 },
1208         // "ABC"
1209         { 0x41, 0x42, 0x43, 0x00 },
1210         // "HELLO world!"
1211         { 0x48, 0x45, 0x4C, 0x4C, 0x4F, 0x20, 0x77, 0x6F, 0x72, 0x6C, 0x64, 0x21, 0x00 }
1212     };
1213
1214     static const UChar text2[][CollationRegressionTest::MAX_TOKEN_LEN] = {
1215     // "Achter de Hoven"
1216         { 0x41, 0x63, 0x68, 0x74, 0x65, 0x72, 0x20, 0x64, 0x65, 0x20, 0x48, 0x6F, 0x76, 0x65, 0x6E, 0x00 },
1217         // "abc"
1218         { 0x61, 0x62, 0x63, 0x00 },
1219         // "hello world!"
1220         { 0x68, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x77, 0x6F, 0x72, 0x6C, 0x64, 0x21, 0x00 }
1221     };
1222
1223     // Open the collator
1224     coll = ucol_openFromShortString("EO_S1", FALSE, NULL, &status);
1225     if (U_FAILURE(status)) {
1226         errln("Failed to create a collator for short string EO_S1");
1227         return;
1228     }
1229
1230     for (i = 0; i < UPRV_LENGTHOF(text1); i++) {
1231         uint8_t key1[100], key2[100];
1232         int32_t len1, len2;
1233
1234         len1 = calcKeyIncremental(coll, text1[i], -1, key1, sizeof(key1), status);
1235         if (U_FAILURE(status)) {
1236             errln(UnicodeString("Failed to get a partial collation key for ") + text1[i]);
1237             break;
1238         }
1239         len2 = calcKeyIncremental(coll, text2[i], -1, key2, sizeof(key2), status);
1240         if (U_FAILURE(status)) {
1241             errln(UnicodeString("Failed to get a partial collation key for ") + text2[i]);
1242             break;
1243         }
1244
1245         if (len1 == len2 && uprv_memcmp(key1, key2, len1) == 0) {
1246             errln(UnicodeString("Failed: Identical key\n") + "    text1: " + text1[i] + "\n" + "    text2: " + text2[i] + "\n" + "    key  : " + TestUtility::hex(key1, len1));
1247         } else {
1248             logln(UnicodeString("Keys produced -\n") + "    text1: " + text1[i] + "\n" + "    key1 : " + TestUtility::hex(key1, len1) + "\n" + "    text2: " + text2[i] + "\n" + "    key2 : "
1249                     + TestUtility::hex(key2, len2));
1250         }
1251     }
1252     ucol_close(coll);
1253 }
1254
1255 void CollationRegressionTest::TestCaseFirstCompression() {
1256     RuleBasedCollator *col = (RuleBasedCollator *) en_us->clone();
1257     UErrorCode status = U_ZERO_ERROR;
1258
1259     // default
1260     caseFirstCompressionSub(col, "default");
1261
1262     // Upper first
1263     col->setAttribute(UCOL_CASE_FIRST, UCOL_UPPER_FIRST, status);
1264     if (U_FAILURE(status)) {
1265         errln("Failed to set UCOL_UPPER_FIRST");
1266         return;
1267     }
1268     caseFirstCompressionSub(col, "upper first");
1269
1270     // Lower first
1271     col->setAttribute(UCOL_CASE_FIRST, UCOL_LOWER_FIRST, status);
1272     if (U_FAILURE(status)) {
1273         errln("Failed to set UCOL_LOWER_FIRST");
1274         return;
1275     }
1276     caseFirstCompressionSub(col, "lower first");
1277
1278     delete col;
1279 }
1280
1281 void CollationRegressionTest::caseFirstCompressionSub(Collator *col, UnicodeString opt) {
1282     const int32_t maxLength = 50;
1283
1284     UChar str1[maxLength];
1285     UChar str2[maxLength];
1286
1287     CollationKey key1, key2;
1288
1289     for (int32_t len = 1; len <= maxLength; len++) {
1290         int32_t i = 0;
1291         for (; i < len - 1; i++) {
1292             str1[i] = str2[i] = (UChar)0x61; // 'a'
1293         }
1294         str1[i] = (UChar)0x41; // 'A'
1295         str2[i] = (UChar)0x61; // 'a'
1296
1297         UErrorCode status = U_ZERO_ERROR;
1298         col->getCollationKey(str1, len, key1, status);
1299         col->getCollationKey(str2, len, key2, status);
1300
1301         UCollationResult cmpKey = key1.compareTo(key2, status);
1302         UCollationResult cmpCol = col->compare(str1, len, str2, len, status);
1303
1304         if (U_FAILURE(status)) {
1305             errln("Error in caseFirstCompressionSub");
1306         } else if (cmpKey != cmpCol) {
1307             errln((UnicodeString)"Inconsistent comparison(" + opt
1308                 + "): str1=" + UnicodeString(str1, len) + ", str2=" + UnicodeString(str2, len)
1309                 + ", cmpKey=" + cmpKey + ", cmpCol=" + cmpCol);
1310         }
1311     }
1312 }
1313
1314 void CollationRegressionTest::TestTrailingComment() {
1315     // ICU ticket #8070:
1316     // Check that the rule parser handles a comment without terminating end-of-line.
1317     IcuTestErrorCode errorCode(*this, "TestTrailingComment");
1318     RuleBasedCollator coll(UNICODE_STRING_SIMPLE("&c<b#comment1\n<a#comment2"), errorCode);
1319     UnicodeString a((UChar)0x61), b((UChar)0x62), c((UChar)0x63);
1320     assertTrue("c<b", coll.compare(c, b) < 0);
1321     assertTrue("b<a", coll.compare(b, a) < 0);
1322 }
1323
1324 void CollationRegressionTest::TestBeforeWithTooStrongAfter() {
1325     // ICU ticket #9959:
1326     // Forbid rules with a before-reset followed by a stronger relation.
1327     IcuTestErrorCode errorCode(*this, "TestBeforeWithTooStrongAfter");
1328     RuleBasedCollator before2(UNICODE_STRING_SIMPLE("&[before 2]x<<q<p"), errorCode);
1329     if(errorCode.isSuccess()) {
1330         errln("should forbid before-2-reset followed by primary relation");
1331     } else {
1332         errorCode.reset();
1333     }
1334     RuleBasedCollator before3(UNICODE_STRING_SIMPLE("&[before 3]x<<<q<<s<p"), errorCode);
1335     if(errorCode.isSuccess()) {
1336         errln("should forbid before-3-reset followed by primary or secondary relation");
1337     } else {
1338         errorCode.reset();
1339     }
1340 }
1341
1342 void CollationRegressionTest::compareArray(Collator &c,
1343                                            const UChar tests[][CollationRegressionTest::MAX_TOKEN_LEN],
1344                                            int32_t testCount)
1345 {
1346     int32_t i;
1347     Collator::EComparisonResult expectedResult = Collator::EQUAL;
1348
1349     for (i = 0; i < testCount; i += 3)
1350     {
1351         UnicodeString source(tests[i]);
1352         UnicodeString comparison(tests[i + 1]);
1353         UnicodeString target(tests[i + 2]);
1354
1355         if (comparison == "<")
1356         {
1357             expectedResult = Collator::LESS;
1358         }
1359         else if (comparison == ">")
1360         {
1361             expectedResult = Collator::GREATER;
1362         }
1363         else if (comparison == "=")
1364         {
1365             expectedResult = Collator::EQUAL;
1366         }
1367         else
1368         {
1369             UnicodeString bogus1("Bogus comparison string \"");
1370             UnicodeString bogus2("\"");
1371             errln(bogus1 + comparison + bogus2);
1372         }
1373
1374         Collator::EComparisonResult compareResult = c.compare(source, target);
1375
1376         CollationKey sourceKey, targetKey;
1377         UErrorCode status = U_ZERO_ERROR;
1378
1379         c.getCollationKey(source, sourceKey, status);
1380
1381         if (U_FAILURE(status))
1382         {
1383             errln("Couldn't get collationKey for source");
1384             continue;
1385         }
1386
1387         c.getCollationKey(target, targetKey, status);
1388
1389         if (U_FAILURE(status))
1390         {
1391             errln("Couldn't get collationKey for target");
1392             continue;
1393         }
1394
1395         Collator::EComparisonResult keyResult = sourceKey.compareTo(targetKey);
1396
1397         reportCResult( source, target, sourceKey, targetKey, compareResult, keyResult, compareResult, expectedResult );
1398
1399     }
1400 }
1401
1402 void CollationRegressionTest::assertEqual(CollationElementIterator &i1, CollationElementIterator &i2)
1403 {
1404     int32_t c1, c2, count = 0;
1405     UErrorCode status = U_ZERO_ERROR;
1406
1407     do
1408     {
1409         c1 = i1.next(status);
1410         c2 = i2.next(status);
1411
1412         if (c1 != c2)
1413         {
1414             UnicodeString msg, msg1("    ");
1415
1416             msg += msg1 + count;
1417             msg += ": strength(0x";
1418             appendHex(c1, 8, msg);
1419             msg += ") != strength(0x";
1420             appendHex(c2, 8, msg);
1421             msg += ")";
1422
1423             errln(msg);
1424             break;
1425         }
1426
1427         count += 1;
1428     }
1429     while (c1 != CollationElementIterator::NULLORDER);
1430 }
1431
1432 void CollationRegressionTest::runIndexedTest(int32_t index, UBool exec, const char* &name, char* /* par */)
1433 {
1434     if (exec)
1435     {
1436         logln("Collation Regression Tests: ");
1437     }
1438
1439     if(en_us == NULL) {
1440         dataerrln("Class collator not instantiated");
1441         name = "";
1442         return;
1443     }
1444     TESTCASE_AUTO_BEGIN;
1445     TESTCASE_AUTO(Test4048446);
1446     TESTCASE_AUTO(Test4051866);
1447     TESTCASE_AUTO(Test4053636);
1448     TESTCASE_AUTO(Test4054238);
1449     TESTCASE_AUTO(Test4054734);
1450     TESTCASE_AUTO(Test4054736);
1451     TESTCASE_AUTO(Test4058613);
1452     TESTCASE_AUTO(Test4059820);
1453     TESTCASE_AUTO(Test4060154);
1454     TESTCASE_AUTO(Test4062418);
1455     TESTCASE_AUTO(Test4065540);
1456     TESTCASE_AUTO(Test4066189);
1457     TESTCASE_AUTO(Test4066696);
1458     TESTCASE_AUTO(Test4076676);
1459     TESTCASE_AUTO(Test4078588);
1460     TESTCASE_AUTO(Test4079231);
1461     TESTCASE_AUTO(Test4081866);
1462     TESTCASE_AUTO(Test4087241);
1463     TESTCASE_AUTO(Test4087243);
1464     TESTCASE_AUTO(Test4092260);
1465     TESTCASE_AUTO(Test4095316);
1466     TESTCASE_AUTO(Test4101940);
1467     TESTCASE_AUTO(Test4103436);
1468     TESTCASE_AUTO(Test4114076);
1469     TESTCASE_AUTO(Test4114077);
1470     TESTCASE_AUTO(Test4124632);
1471     TESTCASE_AUTO(Test4132736);
1472     TESTCASE_AUTO(Test4133509);
1473     TESTCASE_AUTO(Test4139572);
1474     TESTCASE_AUTO(Test4141640);
1475     TESTCASE_AUTO(Test4146160);
1476     TESTCASE_AUTO(Test4179216);
1477     TESTCASE_AUTO(TestT7189);
1478     TESTCASE_AUTO(TestCaseFirstCompression);
1479     TESTCASE_AUTO(TestTrailingComment);
1480     TESTCASE_AUTO(TestBeforeWithTooStrongAfter);
1481     TESTCASE_AUTO_END;
1482 }
1483
1484 #endif /* #if !UCONFIG_NO_COLLATION */