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      1 // Copyright (C) 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/tblcoll.h"
     15 #include "unicode/unistr.h"
     16 #include "unicode/sortkey.h"
     17 #include "itercoll.h"
     18 #include "unicode/schriter.h"
     19 #include "unicode/chariter.h"
     20 #include "unicode/uchar.h"
     21 #include "cmemory.h"
     22 
     23 static UErrorCode status = U_ZERO_ERROR;
     24 
     25 CollationIteratorTest::CollationIteratorTest()
     26  : test1("What subset of all possible test cases?", ""),
     27    test2("has the highest probability of detecting", "")
     28 {
     29     en_us = (RuleBasedCollator *)Collator::createInstance(Locale::getUS(), status);
     30     if(U_FAILURE(status)) {
     31       delete en_us;
     32       en_us = 0;
     33       errcheckln(status, "Collator creation failed with %s", u_errorName(status));
     34       return;
     35     }
     36 
     37 }
     38 
     39 CollationIteratorTest::~CollationIteratorTest()
     40 {
     41     delete en_us;
     42 }
     43 
     44 /**
     45  * Test for CollationElementIterator previous and next for the whole set of
     46  * unicode characters.
     47  */
     48 void CollationIteratorTest::TestUnicodeChar()
     49 {
     50     CollationElementIterator *iter;
     51     UChar codepoint;
     52     UnicodeString source;
     53 
     54     for (codepoint = 1; codepoint < 0xFFFE;)
     55     {
     56       source.remove();
     57 
     58       while (codepoint % 0xFF != 0)
     59       {
     60         if (u_isdefined(codepoint))
     61           source += codepoint;
     62         codepoint ++;
     63       }
     64 
     65       if (u_isdefined(codepoint))
     66         source += codepoint;
     67 
     68       if (codepoint != 0xFFFF)
     69         codepoint ++;
     70 
     71       iter = en_us->createCollationElementIterator(source);
     72       /* A basic test to see if it's working at all */
     73       backAndForth(*iter);
     74       delete iter;
     75     }
     76 }
     77 
     78 /**
     79  * Test for CollationElementIterator.previous()
     80  *
     81  * @bug 4108758 - Make sure it works with contracting characters
     82  *
     83  */
     84 void CollationIteratorTest::TestPrevious(/* char* par */)
     85 {
     86     UErrorCode status = U_ZERO_ERROR;
     87     CollationElementIterator *iter = en_us->createCollationElementIterator(test1);
     88 
     89     // A basic test to see if it's working at all
     90     backAndForth(*iter);
     91     delete iter;
     92 
     93     // Test with a contracting character sequence
     94     UnicodeString source;
     95     RuleBasedCollator *c1 = NULL;
     96     c1 = new RuleBasedCollator(
     97         (UnicodeString)"&a,A < b,B < c,C, d,D < z,Z < ch,cH,Ch,CH", status);
     98 
     99     if (c1 == NULL || U_FAILURE(status))
    100     {
    101         errln("Couldn't create a RuleBasedCollator with a contracting sequence.");
    102         delete c1;
    103         return;
    104     }
    105 
    106     source = "abchdcba";
    107     iter = c1->createCollationElementIterator(source);
    108     backAndForth(*iter);
    109     delete iter;
    110     delete c1;
    111 
    112     // Test with an expanding character sequence
    113     RuleBasedCollator *c2 = NULL;
    114     c2 = new RuleBasedCollator((UnicodeString)"&a < b < c/abd < d", status);
    115 
    116     if (c2 == NULL || U_FAILURE(status))
    117     {
    118         errln("Couldn't create a RuleBasedCollator with an expanding sequence.");
    119         delete c2;
    120         return;
    121     }
    122 
    123     source = "abcd";
    124     iter = c2->createCollationElementIterator(source);
    125     backAndForth(*iter);
    126     delete iter;
    127     delete c2;
    128 
    129     // Now try both
    130     RuleBasedCollator *c3 = NULL;
    131     c3 = new RuleBasedCollator((UnicodeString)"&a < b < c/aba < d < z < ch", status);
    132 
    133     if (c3 == NULL || U_FAILURE(status))
    134     {
    135         errln("Couldn't create a RuleBasedCollator with both an expanding and a contracting sequence.");
    136         delete c3;
    137         return;
    138     }
    139 
    140     source = "abcdbchdc";
    141     iter = c3->createCollationElementIterator(source);
    142     backAndForth(*iter);
    143     delete iter;
    144     delete c3;
    145 
    146     status=U_ZERO_ERROR;
    147     source= CharsToUnicodeString("\\u0e41\\u0e02\\u0e41\\u0e02\\u0e27abc");
    148 
    149     Collator *c4 = Collator::createInstance(Locale("th", "TH", ""), status);
    150     if(U_FAILURE(status)){
    151         errln("Couldn't create a collator");
    152     }
    153     iter = ((RuleBasedCollator*)c4)->createCollationElementIterator(source);
    154     backAndForth(*iter);
    155     delete iter;
    156     delete c4;
    157 
    158     source= CharsToUnicodeString("\\u0061\\u30CF\\u3099\\u30FC");
    159     Collator *c5 = Collator::createInstance(Locale("ja", "JP", ""), status);
    160 
    161     iter = ((RuleBasedCollator*)c5)->createCollationElementIterator(source);
    162     if(U_FAILURE(status)){
    163         errln("Couldn't create Japanese collator\n");
    164     }
    165     backAndForth(*iter);
    166     delete iter;
    167     delete c5;
    168 }
    169 
    170 /**
    171  * Test for getOffset() and setOffset()
    172  */
    173 void CollationIteratorTest::TestOffset(/* char* par */)
    174 {
    175     CollationElementIterator *iter = en_us->createCollationElementIterator(test1);
    176     UErrorCode status = U_ZERO_ERROR;
    177     // testing boundaries
    178     iter->setOffset(0, status);
    179     if (U_FAILURE(status) || iter->previous(status) != CollationElementIterator::NULLORDER) {
    180         errln("Error: After setting offset to 0, we should be at the end "
    181                 "of the backwards iteration");
    182     }
    183     iter->setOffset(test1.length(), status);
    184     if (U_FAILURE(status) || iter->next(status) != CollationElementIterator::NULLORDER) {
    185         errln("Error: After setting offset to end of the string, we should "
    186                 "be at the end of the backwards iteration");
    187     }
    188 
    189     // Run all the way through the iterator, then get the offset
    190     int32_t orderLength = 0;
    191     Order *orders = getOrders(*iter, orderLength);
    192 
    193     int32_t offset = iter->getOffset();
    194 
    195     if (offset != test1.length())
    196     {
    197         UnicodeString msg1("offset at end != length: ");
    198         UnicodeString msg2(" vs ");
    199 
    200         errln(msg1 + offset + msg2 + test1.length());
    201     }
    202 
    203     // Now set the offset back to the beginning and see if it works
    204     CollationElementIterator *pristine = en_us->createCollationElementIterator(test1);
    205 
    206     iter->setOffset(0, status);
    207 
    208     if (U_FAILURE(status))
    209     {
    210         errln("setOffset failed.");
    211     }
    212     else
    213     {
    214         assertEqual(*iter, *pristine);
    215     }
    216 
    217     delete pristine;
    218     delete[] orders;
    219     delete iter;
    220 
    221     // setting offset in the middle of a contraction
    222     UnicodeString contraction = "change";
    223     status = U_ZERO_ERROR;
    224     RuleBasedCollator tailored("& a < ch", status);
    225     if (U_FAILURE(status)) {
    226         errln("Error: in creation of Spanish collator - %s", u_errorName(status));
    227         return;
    228     }
    229     iter = tailored.createCollationElementIterator(contraction);
    230     Order *order = getOrders(*iter, orderLength);
    231     iter->setOffset(1, status); // sets offset in the middle of ch
    232     int32_t order2Length = 0;
    233     Order *order2 = getOrders(*iter, order2Length);
    234     if (orderLength != order2Length || uprv_memcmp(order, order2, orderLength * sizeof(Order)) != 0) {
    235         errln("Error: setting offset in the middle of a contraction should be the same as setting it to the start of the contraction");
    236     }
    237     delete[] order;
    238     delete[] order2;
    239     delete iter;
    240     contraction = "peache";
    241     iter = tailored.createCollationElementIterator(contraction);
    242     iter->setOffset(3, status);
    243     order = getOrders(*iter, orderLength);
    244     iter->setOffset(4, status); // sets offset in the middle of ch
    245     order2 = getOrders(*iter, order2Length);
    246     if (orderLength != order2Length || uprv_memcmp(order, order2, orderLength * sizeof(Order)) != 0) {
    247         errln("Error: setting offset in the middle of a contraction should be the same as setting it to the start of the contraction");
    248     }
    249     delete[] order;
    250     delete[] order2;
    251     delete iter;
    252     // setting offset in the middle of a surrogate pair
    253     UnicodeString surrogate = UNICODE_STRING_SIMPLE("\\ud800\\udc00str").unescape();
    254     iter = tailored.createCollationElementIterator(surrogate);
    255     order = getOrders(*iter, orderLength);
    256     iter->setOffset(1, status); // sets offset in the middle of surrogate
    257     order2 = getOrders(*iter, order2Length);
    258     if (orderLength != order2Length || uprv_memcmp(order, order2, orderLength * sizeof(Order)) != 0) {
    259         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");
    260     }
    261     delete[] order;
    262     delete[] order2;
    263     delete iter;
    264     surrogate = UNICODE_STRING_SIMPLE("simple\\ud800\\udc00str").unescape();
    265     iter = tailored.createCollationElementIterator(surrogate);
    266     iter->setOffset(6, status);
    267     order = getOrders(*iter, orderLength);
    268     iter->setOffset(7, status); // sets offset in the middle of surrogate
    269     order2 = getOrders(*iter, order2Length);
    270     if (orderLength != order2Length || uprv_memcmp(order, order2, orderLength * sizeof(Order)) != 0) {
    271         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");
    272     }
    273     delete[] order;
    274     delete[] order2;
    275     delete iter;
    276     // TODO: try iterating halfway through a messy string.
    277 }
    278 
    279 /**
    280  * Test for setText()
    281  */
    282 void CollationIteratorTest::TestSetText(/* char* par */)
    283 {
    284     CollationElementIterator *iter1 = en_us->createCollationElementIterator(test1);
    285     CollationElementIterator *iter2 = en_us->createCollationElementIterator(test2);
    286     UErrorCode status = U_ZERO_ERROR;
    287 
    288     // Run through the second iterator just to exercise it
    289     int32_t c = iter2->next(status);
    290     int32_t i = 0;
    291 
    292     while ( ++i < 10 && c != CollationElementIterator::NULLORDER)
    293     {
    294         if (U_FAILURE(status))
    295         {
    296             errln("iter2->next() returned an error.");
    297             delete iter2;
    298             delete iter1;
    299         }
    300 
    301         c = iter2->next(status);
    302     }
    303 
    304     // Now set it to point to the same string as the first iterator
    305     iter2->setText(test1, status);
    306 
    307     if (U_FAILURE(status))
    308     {
    309         errln("call to iter2->setText(test1) failed.");
    310     }
    311     else
    312     {
    313         assertEqual(*iter1, *iter2);
    314     }
    315     iter1->reset();
    316     //now use the overloaded setText(ChracterIterator&, UErrorCode) function to set the text
    317     CharacterIterator* chariter = new StringCharacterIterator(test1);
    318     iter2->setText(*chariter, status);
    319     if (U_FAILURE(status))
    320     {
    321         errln("call to iter2->setText(chariter(test1)) failed.");
    322     }
    323     else
    324     {
    325         assertEqual(*iter1, *iter2);
    326     }
    327 
    328     // test for an empty string
    329     UnicodeString empty("");
    330     iter1->setText(empty, status);
    331     if (U_FAILURE(status)
    332         || iter1->next(status) != (int32_t)CollationElementIterator::NULLORDER) {
    333         errln("Empty string should have no CEs.");
    334     }
    335     ((StringCharacterIterator *)chariter)->setText(empty);
    336     iter1->setText(*chariter, status);
    337     if (U_FAILURE(status)
    338         || iter1->next(status) != (int32_t)CollationElementIterator::NULLORDER) {
    339         errln("Empty string should have no CEs.");
    340     }
    341     delete chariter;
    342     delete iter2;
    343     delete iter1;
    344 }
    345 
    346 /** @bug 4108762
    347  * Test for getMaxExpansion()
    348  */
    349 void CollationIteratorTest::TestMaxExpansion(/* char* par */)
    350 {
    351     UErrorCode          status = U_ZERO_ERROR;
    352     UnicodeString rule("&a < ab < c/aba < d < z < ch");
    353     RuleBasedCollator  *coll   = new RuleBasedCollator(rule, status);
    354     UChar               ch     = 0;
    355     UnicodeString       str(ch);
    356 
    357     CollationElementIterator *iter   = coll->createCollationElementIterator(str);
    358 
    359     while (ch < 0xFFFF && U_SUCCESS(status)) {
    360         int      count = 1;
    361         uint32_t order;
    362         ch ++;
    363         UnicodeString str(ch);
    364         iter->setText(str, status);
    365         order = iter->previous(status);
    366 
    367         /* thai management */
    368         if (CollationElementIterator::isIgnorable(order))
    369             order = iter->previous(status);
    370 
    371         while (U_SUCCESS(status)
    372             && iter->previous(status) != (int32_t)CollationElementIterator::NULLORDER)
    373         {
    374             count ++;
    375         }
    376 
    377         if (U_FAILURE(status) && iter->getMaxExpansion(order) < count) {
    378             errln("Failure at codepoint %d, maximum expansion count < %d\n",
    379                 ch, count);
    380         }
    381     }
    382 
    383     delete iter;
    384     delete coll;
    385 }
    386 
    387 /*
    388  * @bug 4157299
    389  */
    390 void CollationIteratorTest::TestClearBuffers(/* char* par */)
    391 {
    392     UErrorCode status = U_ZERO_ERROR;
    393     RuleBasedCollator *c = new RuleBasedCollator((UnicodeString)"&a < b < c & ab = d", status);
    394 
    395     if (c == NULL || U_FAILURE(status))
    396     {
    397         errln("Couldn't create a RuleBasedCollator.");
    398         delete c;
    399         return;
    400     }
    401 
    402     UnicodeString source("abcd");
    403     CollationElementIterator *i = c->createCollationElementIterator(source);
    404     int32_t e0 = i->next(status);    // save the first collation element
    405 
    406     if (U_FAILURE(status))
    407     {
    408         errln("call to i->next() failed. err=%s", u_errorName(status));
    409     }
    410     else
    411     {
    412         i->setOffset(3, status);        // go to the expanding character
    413 
    414         if (U_FAILURE(status))
    415         {
    416             errln("call to i->setOffset(3) failed. err=%s", u_errorName(status));
    417         }
    418         else
    419         {
    420             i->next(status);                // but only use up half of it
    421 
    422             if (U_FAILURE(status))
    423             {
    424                 errln("call to i->next() failed. err=%s", u_errorName(status));
    425             }
    426             else
    427             {
    428                 i->setOffset(0, status);        // go back to the beginning
    429 
    430                 if (U_FAILURE(status))
    431                 {
    432                     errln("call to i->setOffset(0) failed. err=%s", u_errorName(status));
    433                 }
    434                 else
    435                 {
    436                     int32_t e = i->next(status);    // and get this one again
    437 
    438                     if (U_FAILURE(status))
    439                     {
    440                         errln("call to i->next() failed. err=%s", u_errorName(status));
    441                     }
    442                     else if (e != e0)
    443                     {
    444                         errln("got 0x%X, expected 0x%X", e, e0);
    445                     }
    446                 }
    447             }
    448         }
    449     }
    450 
    451     delete i;
    452     delete c;
    453 }
    454 
    455 /**
    456  * Testing the assignment operator
    457  */
    458 void CollationIteratorTest::TestAssignment()
    459 {
    460     UErrorCode status = U_ZERO_ERROR;
    461     RuleBasedCollator *coll =
    462         (RuleBasedCollator *)Collator::createInstance(status);
    463 
    464     if (coll == NULL || U_FAILURE(status))
    465     {
    466         errln("Couldn't create a default collator.");
    467         return;
    468     }
    469 
    470     UnicodeString source("abcd");
    471     CollationElementIterator *iter1 =
    472         coll->createCollationElementIterator(source);
    473 
    474     CollationElementIterator iter2 = *iter1;
    475 
    476     if (*iter1 != iter2) {
    477         errln("Fail collation iterator assignment does not produce the same elements");
    478     }
    479 
    480     CollationElementIterator iter3(*iter1);
    481 
    482     if (*iter1 != iter3) {
    483         errln("Fail collation iterator copy constructor does not produce the same elements");
    484     }
    485 
    486     source = CharsToUnicodeString("a\\u0300\\u0325");
    487     coll->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
    488     CollationElementIterator *iter4
    489                         = coll->createCollationElementIterator(source);
    490     CollationElementIterator iter5(*iter4);
    491     if (*iter4 != iter5) {
    492         errln("collation iterator assignment does not produce the same elements");
    493     }
    494     iter4->next(status);
    495     if (U_FAILURE(status) || *iter4 == iter5) {
    496         errln("collation iterator not equal");
    497     }
    498     iter5.next(status);
    499     if (U_FAILURE(status) || *iter4 != iter5) {
    500         errln("collation iterator equal");
    501     }
    502     iter4->next(status);
    503     if (U_FAILURE(status) || *iter4 == iter5) {
    504         errln("collation iterator not equal");
    505     }
    506     iter5.next(status);
    507     if (U_FAILURE(status) || *iter4 != iter5) {
    508         errln("collation iterator equal");
    509     }
    510     CollationElementIterator iter6(*iter4);
    511     if (*iter4 != iter6) {
    512         errln("collation iterator equal");
    513     }
    514     iter4->next(status);
    515     if (U_FAILURE(status) || *iter4 == iter5) {
    516         errln("collation iterator not equal");
    517     }
    518     iter5.next(status);
    519     if (U_FAILURE(status) || *iter4 != iter5) {
    520         errln("collation iterator equal");
    521     }
    522     iter4->next(status);
    523     if (U_FAILURE(status) || *iter4 == iter5) {
    524         errln("collation iterator not equal");
    525     }
    526     iter5.next(status);
    527     if (U_FAILURE(status) || *iter4 != iter5) {
    528         errln("collation iterator equal");
    529     }
    530     delete iter1;
    531     delete iter4;
    532     delete coll;
    533 }
    534 
    535 /**
    536  * Testing the constructors
    537  */
    538 void CollationIteratorTest::TestConstructors()
    539 {
    540     UErrorCode status = U_ZERO_ERROR;
    541     RuleBasedCollator *coll =
    542         (RuleBasedCollator *)Collator::createInstance(status);
    543     if (coll == NULL || U_FAILURE(status))
    544     {
    545         errln("Couldn't create a default collator.");
    546         return;
    547     }
    548 
    549     // testing protected constructor with character iterator as argument
    550     StringCharacterIterator chariter(test1);
    551     CollationElementIterator *iter1 =
    552         coll->createCollationElementIterator(chariter);
    553     if (U_FAILURE(status)) {
    554         errln("Couldn't create collation element iterator with character iterator.");
    555         return;
    556     }
    557     CollationElementIterator *iter2 =
    558         coll->createCollationElementIterator(test1);
    559 
    560     // initially the 2 collation element iterators should be the same
    561     if (*iter1 != *iter1 || *iter2 != *iter2 || *iter1 != *iter2
    562         || *iter2 != *iter1) {
    563         errln("CollationElementIterators constructed with the same string data should be the same at the start");
    564     }
    565     assertEqual(*iter1, *iter2);
    566 
    567     delete iter1;
    568     delete iter2;
    569 
    570     // tests empty strings
    571     UnicodeString empty("");
    572     iter1 = coll->createCollationElementIterator(empty);
    573     chariter.setText(empty);
    574     iter2 = coll->createCollationElementIterator(chariter);
    575     if (*iter1 != *iter1 || *iter2 != *iter2 || *iter1 != *iter2
    576         || *iter2 != *iter1) {
    577         errln("CollationElementIterators constructed with the same string data should be the same at the start");
    578     }
    579     if (iter1->next(status) != (int32_t)CollationElementIterator::NULLORDER) {
    580         errln("Empty string should have no CEs.");
    581     }
    582     if (iter2->next(status) != (int32_t)CollationElementIterator::NULLORDER) {
    583         errln("Empty string should have no CEs.");
    584     }
    585     delete iter1;
    586     delete iter2;
    587     delete coll;
    588 }
    589 
    590 /**
    591  * Testing the strength order
    592  */
    593 void CollationIteratorTest::TestStrengthOrder()
    594 {
    595     int order = 0x0123ABCD;
    596 
    597     UErrorCode status = U_ZERO_ERROR;
    598     RuleBasedCollator *coll =
    599         (RuleBasedCollator *)Collator::createInstance(status);
    600     if (coll == NULL || U_FAILURE(status))
    601     {
    602         errln("Couldn't create a default collator.");
    603         return;
    604     }
    605 
    606     coll->setStrength(Collator::PRIMARY);
    607     CollationElementIterator *iter =
    608         coll->createCollationElementIterator(test1);
    609 
    610     if (iter == NULL) {
    611         errln("Couldn't create a collation element iterator from default collator");
    612         return;
    613     }
    614 
    615     if (iter->strengthOrder(order) != 0x01230000) {
    616         errln("Strength order for a primary strength collator should be the first 2 bytes");
    617         return;
    618     }
    619 
    620     coll->setStrength(Collator::SECONDARY);
    621     if (iter->strengthOrder(order) != 0x0123AB00) {
    622         errln("Strength order for a secondary strength collator should be the third byte");
    623         return;
    624     }
    625 
    626     coll->setStrength(Collator::TERTIARY);
    627     if (iter->strengthOrder(order) != order) {
    628         errln("Strength order for a tertiary strength collator should be the third byte");
    629         return;
    630     }
    631     delete iter;
    632     delete coll;
    633 }
    634 
    635 /**
    636  * Return a string containing all of the collation orders
    637  * returned by calls to next on the specified iterator
    638  */
    639 UnicodeString &CollationIteratorTest::orderString(CollationElementIterator &iter, UnicodeString &target)
    640 {
    641     int32_t order;
    642     UErrorCode status = U_ZERO_ERROR;
    643 
    644     while ((order = iter.next(status)) != CollationElementIterator::NULLORDER)
    645     {
    646         target += "0x";
    647         appendHex(order, 8, target);
    648         target += " ";
    649     }
    650 
    651     return target;
    652 }
    653 
    654 void CollationIteratorTest::assertEqual(CollationElementIterator &i1, CollationElementIterator &i2)
    655 {
    656     int32_t c1, c2, count = 0;
    657     UErrorCode status = U_ZERO_ERROR;
    658 
    659     do
    660     {
    661         c1 = i1.next(status);
    662         c2 = i2.next(status);
    663 
    664         if (c1 != c2)
    665         {
    666             errln("    %d: strength(0x%X) != strength(0x%X)", count, c1, c2);
    667             break;
    668         }
    669 
    670         count += 1;
    671     }
    672     while (c1 != CollationElementIterator::NULLORDER);
    673 }
    674 
    675 void CollationIteratorTest::runIndexedTest(int32_t index, UBool exec, const char* &name, char* /*par*/)
    676 {
    677     if (exec)
    678     {
    679         logln("Collation Iteration Tests: ");
    680     }
    681 
    682     if(en_us) {
    683       switch (index)
    684       {
    685           case  0: name = "TestPrevious";      if (exec) TestPrevious(/* par */);     break;
    686           case  1: name = "TestOffset";        if (exec) TestOffset(/* par */);       break;
    687           case  2: name = "TestSetText";       if (exec) TestSetText(/* par */);      break;
    688           case  3: name = "TestMaxExpansion";  if (exec) TestMaxExpansion(/* par */); break;
    689           case  4: name = "TestClearBuffers";  if (exec) TestClearBuffers(/* par */); break;
    690           case  5: name = "TestUnicodeChar";   if (exec) TestUnicodeChar(/* par */);  break;
    691           case  6: name = "TestAssignment";    if (exec) TestAssignment(/* par */);    break;
    692           case  7: name = "TestConstructors";  if (exec) TestConstructors(/* par */); break;
    693           case  8: name = "TestStrengthOrder"; if (exec) TestStrengthOrder(/* par */); break;
    694           default: name = ""; break;
    695       }
    696     } else {
    697       dataerrln("Class iterator not instantiated");
    698       name = "";
    699     }
    700 }
    701 
    702 #endif /* #if !UCONFIG_NO_COLLATION */
    703