icuSources/test/intltest/itercoll.cpp

   1 /********************************************************************
   2  * COPYRIGHT:
   3  * Copyright (c) 1997-2016, International Business Machines Corporation and
   4  * others. All Rights Reserved.
   5  ********************************************************************/
   6
   7 #include "unicode/utypes.h"
   8
   9 #if !UCONFIG_NO_COLLATION
  10
  11 #include "unicode/coll.h"
  12 #include "unicode/tblcoll.h"
  13 #include "unicode/unistr.h"
  14 #include "unicode/sortkey.h"
  15 #include "itercoll.h"
  16 #include "unicode/schriter.h"
  17 #include "unicode/chariter.h"
  18 #include "unicode/uchar.h"
  19 #include "cmemory.h"
  20
  21 static UErrorCode status = U_ZERO_ERROR;
  22
  23 CollationIteratorTest::CollationIteratorTest()
  24  : test1("What subset of all possible test cases?", ""),
  25    test2("has the highest probability of detecting", "")
  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
  37 CollationIteratorTest::~CollationIteratorTest()
  38 {
  39     delete en_us;
  40 }
  41
  42 /**
  43  * Test for CollationElementIterator previous and next for the whole set of
  44  * unicode characters.
  45  */
  46 void CollationIteratorTest::TestUnicodeChar()
  47 {
  48     CollationElementIterator *iter;
  49     UChar codepoint;
  50     UnicodeString source;
  51
  52     for (codepoint = 1; codepoint < 0xFFFE;)
  53     {
  54       source.remove();
  55
  56       while (codepoint % 0xFF != 0)
  57       {
  58         if (u_isdefined(codepoint))
  59           source += codepoint;
  60         codepoint ++;
  61       }
  62
  63       if (u_isdefined(codepoint))
  64         source += codepoint;
  65
  66       if (codepoint != 0xFFFF)
  67         codepoint ++;
  68
  69       iter = en_us->createCollationElementIterator(source);
  70       /* A basic test to see if it's working at all */
  71       backAndForth(*iter);
  72       delete iter;
  73     }
  74 }
  75
  76 /**
  77  * Test for CollationElementIterator.previous()
  78  *
  79  * @bug 4108758 - Make sure it works with contracting characters
  80  *
  81  */
  82 void CollationIteratorTest::TestPrevious(/* char* par */)
  83 {
  84     UErrorCode status = U_ZERO_ERROR;
  85     CollationElementIterator *iter = en_us->createCollationElementIterator(test1);
  86
  87     // A basic test to see if it's working at all
  88     backAndForth(*iter);
  89     delete iter;
  90
  91     // Test with a contracting character sequence
  92     UnicodeString source;
  93     RuleBasedCollator *c1 = NULL;
  94     c1 = new RuleBasedCollator(
  95         (UnicodeString)"&a,A < b,B < c,C, d,D < z,Z < ch,cH,Ch,CH", status);
  96
  97     if (c1 == NULL || U_FAILURE(status))
  98     {
  99         errln("Couldn't create a RuleBasedCollator with a contracting sequence.");
 100         delete c1;
 101         return;
 102     }
 103
 104     source = "abchdcba";
 105     iter = c1->createCollationElementIterator(source);
 106     backAndForth(*iter);
 107     delete iter;
 108     delete c1;
 109
 110     // Test with an expanding character sequence
 111     RuleBasedCollator *c2 = NULL;
 112     c2 = new RuleBasedCollator((UnicodeString)"&a < b < c/abd < d", status);
 113
 114     if (c2 == NULL || U_FAILURE(status))
 115     {
 116         errln("Couldn't create a RuleBasedCollator with an expanding sequence.");
 117         delete c2;
 118         return;
 119     }
 120
 121     source = "abcd";
 122     iter = c2->createCollationElementIterator(source);
 123     backAndForth(*iter);
 124     delete iter;
 125     delete c2;
 126
 127     // Now try both
 128     RuleBasedCollator *c3 = NULL;
 129     c3 = new RuleBasedCollator((UnicodeString)"&a < b < c/aba < d < z < ch", status);
 130
 131     if (c3 == NULL || U_FAILURE(status))
 132     {
 133         errln("Couldn't create a RuleBasedCollator with both an expanding and a contracting sequence.");
 134         delete c3;
 135         return;
 136     }
 137
 138     source = "abcdbchdc";
 139     iter = c3->createCollationElementIterator(source);
 140     backAndForth(*iter);
 141     delete iter;
 142     delete c3;
 143
 144     status=U_ZERO_ERROR;
 145     source= CharsToUnicodeString("\\u0e41\\u0e02\\u0e41\\u0e02\\u0e27abc");
 146
 147     Collator *c4 = Collator::createInstance(Locale("th", "TH", ""), status);
 148     if(U_FAILURE(status)){
 149         errln("Couldn't create a collator");
 150     }
 151     iter = ((RuleBasedCollator*)c4)->createCollationElementIterator(source);
 152     backAndForth(*iter);
 153     delete iter;
 154     delete c4;
 155
 156     source= CharsToUnicodeString("\\u0061\\u30CF\\u3099\\u30FC");
 157     Collator *c5 = Collator::createInstance(Locale("ja", "JP", ""), status);
 158
 159     iter = ((RuleBasedCollator*)c5)->createCollationElementIterator(source);
 160     if(U_FAILURE(status)){
 161         errln("Couldn't create Japanese collator\n");
 162     }
 163     backAndForth(*iter);
 164     delete iter;
 165     delete c5;
 166 }
 167
 168 /**
 169  * Test for getOffset() and setOffset()
 170  */
 171 void CollationIteratorTest::TestOffset(/* char* par */)
 172 {
 173     CollationElementIterator *iter = en_us->createCollationElementIterator(test1);
 174     UErrorCode status = U_ZERO_ERROR;
 175     // testing boundaries
 176     iter->setOffset(0, status);
 177     if (U_FAILURE(status) || iter->previous(status) != CollationElementIterator::NULLORDER) {
 178         errln("Error: After setting offset to 0, we should be at the end "
 179                 "of the backwards iteration");
 180     }
 181     iter->setOffset(test1.length(), status);
 182     if (U_FAILURE(status) || iter->next(status) != CollationElementIterator::NULLORDER) {
 183         errln("Error: After setting offset to end of the string, we should "
 184                 "be at the end of the backwards iteration");
 185     }
 186
 187     // Run all the way through the iterator, then get the offset
 188     int32_t orderLength = 0;
 189     Order *orders = getOrders(*iter, orderLength);
 190
 191     int32_t offset = iter->getOffset();
 192
 193     if (offset != test1.length())
 194     {
 195         UnicodeString msg1("offset at end != length: ");
 196         UnicodeString msg2(" vs ");
 197
 198         errln(msg1 + offset + msg2 + test1.length());
 199     }
 200
 201     // Now set the offset back to the beginning and see if it works
 202     CollationElementIterator *pristine = en_us->createCollationElementIterator(test1);
 203
 204     iter->setOffset(0, status);
 205
 206     if (U_FAILURE(status))
 207     {
 208         errln("setOffset failed.");
 209     }
 210     else
 211     {
 212         assertEqual(*iter, *pristine);
 213     }
 214
 215     delete pristine;
 216     delete[] orders;
 217     delete iter;
 218
 219     // setting offset in the middle of a contraction
 220     UnicodeString contraction = "change";
 221     status = U_ZERO_ERROR;
 222     RuleBasedCollator tailored("& a < ch", status);
 223     if (U_FAILURE(status)) {
 224         errln("Error: in creation of Spanish collator - %s", u_errorName(status));
 225         return;
 226     }
 227     iter = tailored.createCollationElementIterator(contraction);
 228     Order *order = getOrders(*iter, orderLength);
 229     iter->setOffset(1, status); // sets offset in the middle of ch
 230     int32_t order2Length = 0;
 231     Order *order2 = getOrders(*iter, order2Length);
 232     if (orderLength != order2Length || uprv_memcmp(order, order2, orderLength * sizeof(Order)) != 0) {
 233         errln("Error: setting offset in the middle of a contraction should be the same as setting it to the start of the contraction");
 234     }
 235     delete[] order;
 236     delete[] order2;
 237     delete iter;
 238     contraction = "peache";
 239     iter = tailored.createCollationElementIterator(contraction);
 240     iter->setOffset(3, status);
 241     order = getOrders(*iter, orderLength);
 242     iter->setOffset(4, status); // sets offset in the middle of ch
 243     order2 = getOrders(*iter, order2Length);
 244     if (orderLength != order2Length || uprv_memcmp(order, order2, orderLength * sizeof(Order)) != 0) {
 245         errln("Error: setting offset in the middle of a contraction should be the same as setting it to the start of the contraction");
 246     }
 247     delete[] order;
 248     delete[] order2;
 249     delete iter;
 250     // setting offset in the middle of a surrogate pair
 251     UnicodeString surrogate = UNICODE_STRING_SIMPLE("\\ud800\\udc00str").unescape();
 252     iter = tailored.createCollationElementIterator(surrogate);
 253     order = getOrders(*iter, orderLength);
 254     iter->setOffset(1, status); // sets offset in the middle of surrogate
 255     order2 = getOrders(*iter, order2Length);
 256     if (orderLength != order2Length || uprv_memcmp(order, order2, orderLength * sizeof(Order)) != 0) {
 257         errln("Error: setting offset in the middle of a surrogate pair should be the same as setting it to the start of the surrogate pair");
 258     }
 259     delete[] order;
 260     delete[] order2;
 261     delete iter;
 262     surrogate = UNICODE_STRING_SIMPLE("simple\\ud800\\udc00str").unescape();
 263     iter = tailored.createCollationElementIterator(surrogate);
 264     iter->setOffset(6, status);
 265     order = getOrders(*iter, orderLength);
 266     iter->setOffset(7, status); // sets offset in the middle of surrogate
 267     order2 = getOrders(*iter, order2Length);
 268     if (orderLength != order2Length || uprv_memcmp(order, order2, orderLength * sizeof(Order)) != 0) {
 269         errln("Error: setting offset in the middle of a surrogate pair should be the same as setting it to the start of the surrogate pair");
 270     }
 271     delete[] order;
 272     delete[] order2;
 273     delete iter;
 274     // TODO: try iterating halfway through a messy string.
 275 }
 276
 277 /**
 278  * Test for setText()
 279  */
 280 void CollationIteratorTest::TestSetText(/* char* par */)
 281 {
 282     CollationElementIterator *iter1 = en_us->createCollationElementIterator(test1);
 283     CollationElementIterator *iter2 = en_us->createCollationElementIterator(test2);
 284     UErrorCode status = U_ZERO_ERROR;
 285
 286     // Run through the second iterator just to exercise it
 287     int32_t c = iter2->next(status);
 288     int32_t i = 0;
 289
 290     while ( ++i < 10 && c != CollationElementIterator::NULLORDER)
 291     {
 292         if (U_FAILURE(status))
 293         {
 294             errln("iter2->next() returned an error.");
 295             delete iter2;
 296             delete iter1;
 297         }
 298
 299         c = iter2->next(status);
 300     }
 301
 302     // Now set it to point to the same string as the first iterator
 303     iter2->setText(test1, status);
 304
 305     if (U_FAILURE(status))
 306     {
 307         errln("call to iter2->setText(test1) failed.");
 308     }
 309     else
 310     {
 311         assertEqual(*iter1, *iter2);
 312     }
 313     iter1->reset();
 314     //now use the overloaded setText(ChracterIterator&, UErrorCode) function to set the text
 315     CharacterIterator* chariter = new StringCharacterIterator(test1);
 316     iter2->setText(*chariter, status);
 317     if (U_FAILURE(status))
 318     {
 319         errln("call to iter2->setText(chariter(test1)) failed.");
 320     }
 321     else
 322     {
 323         assertEqual(*iter1, *iter2);
 324     }
 325
 326     // test for an empty string
 327     UnicodeString empty("");
 328     iter1->setText(empty, status);
 329     if (U_FAILURE(status)
 330         || iter1->next(status) != (int32_t)CollationElementIterator::NULLORDER) {
 331         errln("Empty string should have no CEs.");
 332     }
 333     ((StringCharacterIterator *)chariter)->setText(empty);
 334     iter1->setText(*chariter, status);
 335     if (U_FAILURE(status)
 336         || iter1->next(status) != (int32_t)CollationElementIterator::NULLORDER) {
 337         errln("Empty string should have no CEs.");
 338     }
 339     delete chariter;
 340     delete iter2;
 341     delete iter1;
 342 }
 343
 344 /** @bug 4108762
 345  * Test for getMaxExpansion()
 346  */
 347 void CollationIteratorTest::TestMaxExpansion(/* char* par */)
 348 {
 349     UErrorCode          status = U_ZERO_ERROR;
 350     UnicodeString rule("&a < ab < c/aba < d < z < ch");
 351     RuleBasedCollator  *coll   = new RuleBasedCollator(rule, status);
 352     UChar               ch     = 0;
 353     UnicodeString       str(ch);
 354
 355     CollationElementIterator *iter   = coll->createCollationElementIterator(str);
 356
 357     while (ch < 0xFFFF && U_SUCCESS(status)) {
 358         int      count = 1;
 359         uint32_t order;
 360         ch ++;
 361         UnicodeString str(ch);
 362         iter->setText(str, status);
 363         order = iter->previous(status);
 364
 365         /* thai management */
 366         if (CollationElementIterator::isIgnorable(order))
 367             order = iter->previous(status);
 368
 369         while (U_SUCCESS(status)
 370             && iter->previous(status) != (int32_t)CollationElementIterator::NULLORDER)
 371         {
 372             count ++;
 373         }
 374
 375         if (U_FAILURE(status) && iter->getMaxExpansion(order) < count) {
 376             errln("Failure at codepoint %d, maximum expansion count < %d\n",
 377                 ch, count);
 378         }
 379     }
 380
 381     delete iter;
 382     delete coll;
 383 }
 384
 385 /*
 386  * @bug 4157299
 387  */
 388 void CollationIteratorTest::TestClearBuffers(/* char* par */)
 389 {
 390     UErrorCode status = U_ZERO_ERROR;
 391     RuleBasedCollator *c = new RuleBasedCollator((UnicodeString)"&a < b < c & ab = d", status);
 392
 393     if (c == NULL || U_FAILURE(status))
 394     {
 395         errln("Couldn't create a RuleBasedCollator.");
 396         delete c;
 397         return;
 398     }
 399
 400     UnicodeString source("abcd");
 401     CollationElementIterator *i = c->createCollationElementIterator(source);
 402     int32_t e0 = i->next(status);    // save the first collation element
 403
 404     if (U_FAILURE(status))
 405     {
 406         errln("call to i->next() failed. err=%s", u_errorName(status));
 407     }
 408     else
 409     {
 410         i->setOffset(3, status);        // go to the expanding character
 411
 412         if (U_FAILURE(status))
 413         {
 414             errln("call to i->setOffset(3) failed. err=%s", u_errorName(status));
 415         }
 416         else
 417         {
 418             i->next(status);                // but only use up half of it
 419
 420             if (U_FAILURE(status))
 421             {
 422                 errln("call to i->next() failed. err=%s", u_errorName(status));
 423             }
 424             else
 425             {
 426                 i->setOffset(0, status);        // go back to the beginning
 427
 428                 if (U_FAILURE(status))
 429                 {
 430                     errln("call to i->setOffset(0) failed. err=%s", u_errorName(status));
 431                 }
 432                 else
 433                 {
 434                     int32_t e = i->next(status);    // and get this one again
 435
 436                     if (U_FAILURE(status))
 437                     {
 438                         errln("call to i->next() failed. err=%s", u_errorName(status));
 439                     }
 440                     else if (e != e0)
 441                     {
 442                         errln("got 0x%X, expected 0x%X", e, e0);
 443                     }
 444                 }
 445             }
 446         }
 447     }
 448
 449     delete i;
 450     delete c;
 451 }
 452
 453 /**
 454  * Testing the assignment operator
 455  */
 456 void CollationIteratorTest::TestAssignment()
 457 {
 458     UErrorCode status = U_ZERO_ERROR;
 459     RuleBasedCollator *coll =
 460         (RuleBasedCollator *)Collator::createInstance(status);
 461
 462     if (coll == NULL || U_FAILURE(status))
 463     {
 464         errln("Couldn't create a default collator.");
 465         return;
 466     }
 467
 468     UnicodeString source("abcd");
 469     CollationElementIterator *iter1 =
 470         coll->createCollationElementIterator(source);
 471
 472     CollationElementIterator iter2 = *iter1;
 473
 474     if (*iter1 != iter2) {
 475         errln("Fail collation iterator assignment does not produce the same elements");
 476     }
 477
 478     CollationElementIterator iter3(*iter1);
 479
 480     if (*iter1 != iter3) {
 481         errln("Fail collation iterator copy constructor does not produce the same elements");
 482     }
 483
 484     source = CharsToUnicodeString("a\\u0300\\u0325");
 485     coll->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
 486     CollationElementIterator *iter4
 487                         = coll->createCollationElementIterator(source);
 488     CollationElementIterator iter5(*iter4);
 489     if (*iter4 != iter5) {
 490         errln("collation iterator assignment does not produce the same elements");
 491     }
 492     iter4->next(status);
 493     if (U_FAILURE(status) || *iter4 == iter5) {
 494         errln("collation iterator not equal");
 495     }
 496     iter5.next(status);
 497     if (U_FAILURE(status) || *iter4 != iter5) {
 498         errln("collation iterator equal");
 499     }
 500     iter4->next(status);
 501     if (U_FAILURE(status) || *iter4 == iter5) {
 502         errln("collation iterator not equal");
 503     }
 504     iter5.next(status);
 505     if (U_FAILURE(status) || *iter4 != iter5) {
 506         errln("collation iterator equal");
 507     }
 508     CollationElementIterator iter6(*iter4);
 509     if (*iter4 != iter6) {
 510         errln("collation iterator equal");
 511     }
 512     iter4->next(status);
 513     if (U_FAILURE(status) || *iter4 == iter5) {
 514         errln("collation iterator not equal");
 515     }
 516     iter5.next(status);
 517     if (U_FAILURE(status) || *iter4 != iter5) {
 518         errln("collation iterator equal");
 519     }
 520     iter4->next(status);
 521     if (U_FAILURE(status) || *iter4 == iter5) {
 522         errln("collation iterator not equal");
 523     }
 524     iter5.next(status);
 525     if (U_FAILURE(status) || *iter4 != iter5) {
 526         errln("collation iterator equal");
 527     }
 528     delete iter1;
 529     delete iter4;
 530     delete coll;
 531 }
 532
 533 /**
 534  * Testing the constructors
 535  */
 536 void CollationIteratorTest::TestConstructors()
 537 {
 538     UErrorCode status = U_ZERO_ERROR;
 539     RuleBasedCollator *coll =
 540         (RuleBasedCollator *)Collator::createInstance(status);
 541     if (coll == NULL || U_FAILURE(status))
 542     {
 543         errln("Couldn't create a default collator.");
 544         return;
 545     }
 546
 547     // testing protected constructor with character iterator as argument
 548     StringCharacterIterator chariter(test1);
 549     CollationElementIterator *iter1 =
 550         coll->createCollationElementIterator(chariter);
 551     if (U_FAILURE(status)) {
 552         errln("Couldn't create collation element iterator with character iterator.");
 553         return;
 554     }
 555     CollationElementIterator *iter2 =
 556         coll->createCollationElementIterator(test1);
 557
 558     // initially the 2 collation element iterators should be the same
 559     if (*iter1 != *iter1 || *iter2 != *iter2 || *iter1 != *iter2
 560         || *iter2 != *iter1) {
 561         errln("CollationElementIterators constructed with the same string data should be the same at the start");
 562     }
 563     assertEqual(*iter1, *iter2);
 564
 565     delete iter1;
 566     delete iter2;
 567
 568     // tests empty strings
 569     UnicodeString empty("");
 570     iter1 = coll->createCollationElementIterator(empty);
 571     chariter.setText(empty);
 572     iter2 = coll->createCollationElementIterator(chariter);
 573     if (*iter1 != *iter1 || *iter2 != *iter2 || *iter1 != *iter2
 574         || *iter2 != *iter1) {
 575         errln("CollationElementIterators constructed with the same string data should be the same at the start");
 576     }
 577     if (iter1->next(status) != (int32_t)CollationElementIterator::NULLORDER) {
 578         errln("Empty string should have no CEs.");
 579     }
 580     if (iter2->next(status) != (int32_t)CollationElementIterator::NULLORDER) {
 581         errln("Empty string should have no CEs.");
 582     }
 583     delete iter1;
 584     delete iter2;
 585     delete coll;
 586 }
 587
 588 /**
 589  * Testing the strength order
 590  */
 591 void CollationIteratorTest::TestStrengthOrder()
 592 {
 593     int order = 0x0123ABCD;
 594
 595     UErrorCode status = U_ZERO_ERROR;
 596     RuleBasedCollator *coll =
 597         (RuleBasedCollator *)Collator::createInstance(status);
 598     if (coll == NULL || U_FAILURE(status))
 599     {
 600         errln("Couldn't create a default collator.");
 601         return;
 602     }
 603
 604     coll->setStrength(Collator::PRIMARY);
 605     CollationElementIterator *iter =
 606         coll->createCollationElementIterator(test1);
 607
 608     if (iter == NULL) {
 609         errln("Couldn't create a collation element iterator from default collator");
 610         return;
 611     }
 612
 613     if (iter->strengthOrder(order) != 0x01230000) {
 614         errln("Strength order for a primary strength collator should be the first 2 bytes");
 615         return;
 616     }
 617
 618     coll->setStrength(Collator::SECONDARY);
 619     if (iter->strengthOrder(order) != 0x0123AB00) {
 620         errln("Strength order for a secondary strength collator should be the third byte");
 621         return;
 622     }
 623
 624     coll->setStrength(Collator::TERTIARY);
 625     if (iter->strengthOrder(order) != order) {
 626         errln("Strength order for a tertiary strength collator should be the third byte");
 627         return;
 628     }
 629     delete iter;
 630     delete coll;
 631 }
 632
 633 /**
 634  * Return a string containing all of the collation orders
 635  * returned by calls to next on the specified iterator
 636  */
 637 UnicodeString &CollationIteratorTest::orderString(CollationElementIterator &iter, UnicodeString &target)
 638 {
 639     int32_t order;
 640     UErrorCode status = U_ZERO_ERROR;
 641
 642     while ((order = iter.next(status)) != CollationElementIterator::NULLORDER)
 643     {
 644         target += "0x";
 645         appendHex(order, 8, target);
 646         target += " ";
 647     }
 648
 649     return target;
 650 }
 651
 652 void CollationIteratorTest::assertEqual(CollationElementIterator &i1, CollationElementIterator &i2)
 653 {
 654     int32_t c1, c2, count = 0;
 655     UErrorCode status = U_ZERO_ERROR;
 656
 657     do
 658     {
 659         c1 = i1.next(status);
 660         c2 = i2.next(status);
 661
 662         if (c1 != c2)
 663         {
 664             errln("    %d: strength(0x%X) != strength(0x%X)", count, c1, c2);
 665             break;
 666         }
 667
 668         count += 1;
 669     }
 670     while (c1 != CollationElementIterator::NULLORDER);
 671 }
 672
 673 void CollationIteratorTest::runIndexedTest(int32_t index, UBool exec, const char* &name, char* /*par*/)
 674 {
 675     if (exec)
 676     {
 677         logln("Collation Iteration Tests: ");
 678     }
 679
 680     if(en_us) {
 681       switch (index)
 682       {
 683           case  0: name = "TestPrevious";      if (exec) TestPrevious(/* par */);     break;
 684           case  1: name = "TestOffset";        if (exec) TestOffset(/* par */);       break;
 685           case  2: name = "TestSetText";       if (exec) TestSetText(/* par */);      break;
 686           case  3: name = "TestMaxExpansion";  if (exec) TestMaxExpansion(/* par */); break;
 687           case  4: name = "TestClearBuffers";  if (exec) TestClearBuffers(/* par */); break;
 688           case  5: name = "TestUnicodeChar";   if (exec) TestUnicodeChar(/* par */);  break;
 689           case  6: name = "TestAssignment";    if (exec) TestAssignment(/* par */);    break;
 690           case  7: name = "TestConstructors";  if (exec) TestConstructors(/* par */); break;
 691           case  8: name = "TestStrengthOrder"; if (exec) TestStrengthOrder(/* par */); break;
 692           default: name = ""; break;
 693       }
 694     } else {
 695       dataerrln("Class iterator not instantiated");
 696       name = "";
 697     }
 698 }
 699
 700 #endif /* #if !UCONFIG_NO_COLLATION */