icuSources/test/intltest/tchcfmt.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_FORMATTING
  12
  13 #include "intltest.h"
  14 #include "tchcfmt.h"
  15 #include "cmemory.h"
  16 #include "unicode/msgfmt.h"
  17 #include "unicode/choicfmt.h"
  18
  19 #include <float.h>
  20
  21 // tests have obvious memory leaks!
  22
  23 void TestChoiceFormat::runIndexedTest(int32_t index, UBool exec,
  24                                       const char* &name, char* /*par*/) {
  25     switch (index) {
  26         TESTCASE(0,TestSimpleExample);
  27         TESTCASE(1,TestComplexExample);
  28         TESTCASE(2,TestClosures);
  29         TESTCASE(3,TestPatterns);
  30         TESTCASE(4,TestChoiceFormatToPatternOverflow);
  31         default: name = ""; break;
  32     }
  33 }
  34
  35 static UBool chkstatus( UErrorCode &status, const char* msg = NULL )
  36 {
  37     UBool ok = U_SUCCESS(status);
  38     if (!ok) it_errln( msg );
  39     return ok;
  40 }
  41
  42 void
  43 TestChoiceFormat::TestSimpleExample( void )
  44 {
  45     double limits[] = {1,2,3,4,5,6,7};
  46     UnicodeString monthNames[] = {"Sun","Mon","Tue","Wed","Thur","Fri","Sat"};
  47     ChoiceFormat* form = new ChoiceFormat(limits, monthNames, 7);
  48     ParsePosition parse_pos;
  49     // TODO Fix this ParsePosition stuff...
  50     UnicodeString str;
  51     UnicodeString res1, res2;
  52     UErrorCode status;
  53     FieldPosition fpos(FieldPosition::DONT_CARE);
  54     Formattable f;
  55     int32_t ix;
  56     //for (double i = 0.0; i <= 8.0; ++i) {
  57     for (ix = 0; ix <= 8; ++ix) {
  58         double i = ix; //nos
  59         status = U_ZERO_ERROR;
  60         fpos = 0;
  61         str = "";
  62         res1 = form->format(i, str, fpos, status );
  63         if (!chkstatus( status, "***  test_simple_example format" )) {
  64             delete form;
  65             return;
  66         }
  67         //form->parse(res1, f, parse_pos);
  68         res2 = " ??? ";
  69         it_logln(UnicodeString("") + ix + UnicodeString(" -> ") + res1 + UnicodeString(" -> ") + res2);
  70     }
  71     //Testing ==operator
  72     const double filelimits[] = {0,1,2};
  73     const UnicodeString filepart[] = {"are no files","is one file","are {2} files"};
  74     ChoiceFormat* formnew=new ChoiceFormat(filelimits, filepart, 3);
  75     ChoiceFormat* formequal=new ChoiceFormat(limits, monthNames, 7);
  76     if(*formnew == *form){
  77         errln("ERROR: ==operator failed\n");
  78     }
  79     if(!(*form == *formequal)){
  80         errln("ERROR: ==operator failed\n");
  81     }
  82     delete formequal;
  83     delete formnew;
  84
  85     //Testing getLimits()
  86     int32_t count=0;
  87     const double *gotLimits=form->getLimits(count);
  88 #if 1  // ICU 4.8 deprecates and disables the ChoiceFormat getters.
  89     if(count != 0 || gotLimits != NULL) {
  90         errln("getLimits() returns something, should be disabled");
  91     }
  92     const UnicodeString *gotFormats=form->getFormats(count);
  93     if(count != 0 || gotFormats != NULL) {
  94         errln("getFormats() returns something, should be disabled");
  95     }
  96     const UBool *gotClosures=form->getClosures(count);
  97     if(count != 0 || gotClosures != NULL) {
  98         errln("getClosures() returns something, should be disabled");
  99     }
 100 #else
 101     if(count != 7){
 102         errln("getLimits didn't update the count correctly\n");
 103     }
 104     for(ix=0; ix<count; ix++){
 105         if(gotLimits[ix] != limits[ix]){
 106             errln((UnicodeString)"getLimits didn't get the limits correctly.  Expected " + limits[ix] + " Got " + gotLimits[ix]);
 107         }
 108     }
 109     //Testing getFormats()
 110     count=0;
 111     const UnicodeString *gotFormats=form->getFormats(count);
 112     if(count != 7){
 113         errln("getFormats didn't update the count correctly\n");
 114     }
 115     for(ix=0; ix<count; ix++){
 116         if(gotFormats[ix] != monthNames[ix]){
 117             errln((UnicodeString)"getFormats didn't get the Formats correctly.  Expected " + monthNames[ix] + " Got " + gotFormats[ix]);
 118         }
 119     }
 120 #endif
 121
 122     delete form;
 123 }
 124
 125 void
 126 TestChoiceFormat::TestComplexExample( void )
 127 {
 128     UErrorCode status = U_ZERO_ERROR;
 129     const double filelimits[] = {-1, 0,1,2};
 130     const UnicodeString filepart[] = {"are corrupted files", "are no files","is one file","are {2} files"};
 131
 132     ChoiceFormat* fileform = new ChoiceFormat( filelimits, filepart, 4);
 133
 134     if (!fileform) {
 135         it_errln("***  test_complex_example fileform");
 136         return;
 137     }
 138
 139     Format* filenumform = NumberFormat::createInstance( status );
 140     if (!filenumform) {
 141         dataerrln((UnicodeString)"***  test_complex_example filenumform - " + u_errorName(status));
 142         delete fileform;
 143         return;
 144     }
 145     if (!chkstatus( status, "***  test_simple_example filenumform" )) {
 146         delete fileform;
 147         delete filenumform;
 148         return;
 149     }
 150
 151     //const Format* testFormats[] = { fileform, NULL, filenumform };
 152     //pattform->setFormats( testFormats, 3 );
 153
 154     MessageFormat* pattform = new MessageFormat("There {0} on {1}", status );
 155     if (!pattform) {
 156         it_errln("***  test_complex_example pattform");
 157         delete fileform;
 158         delete filenumform;
 159         return;
 160     }
 161     if (!chkstatus( status, "***  test_complex_example pattform" )) {
 162         delete fileform;
 163         delete filenumform;
 164         delete pattform;
 165         return;
 166     }
 167
 168     pattform->setFormat( 0, *fileform );
 169     pattform->setFormat( 2, *filenumform );
 170
 171
 172     Formattable testArgs[] = {(int32_t)0, "Disk_A", (int32_t)0};
 173     UnicodeString str;
 174     UnicodeString res1, res2;
 175     pattform->toPattern( res1 );
 176     it_logln("MessageFormat toPattern: " + res1);
 177     fileform->toPattern( res1 );
 178     it_logln("ChoiceFormat toPattern: " + res1);
 179     if (res1 == "-1#are corrupted files|0#are no files|1#is one file|2#are {2} files") {
 180         it_logln("toPattern tested!");
 181     }else{
 182         it_errln("***  ChoiceFormat to Pattern result!");
 183     }
 184
 185     FieldPosition fpos(FieldPosition::DONT_CARE);
 186
 187     UnicodeString checkstr[] = {
 188         "There are corrupted files on Disk_A",
 189         "There are no files on Disk_A",
 190         "There is one file on Disk_A",
 191         "There are 2 files on Disk_A",
 192         "There are 3 files on Disk_A"
 193     };
 194
 195     // if (status != U_ZERO_ERROR) return; // TODO: analyze why we have such a bad bail out here!
 196
 197     if (U_FAILURE(status)) {
 198         delete fileform;
 199         delete filenumform;
 200         delete pattform;
 201         return;
 202     }
 203
 204
 205     int32_t i;
 206     int32_t start = -1;
 207     for (i = start; i < 4; ++i) {
 208         str = "";
 209         status = U_ZERO_ERROR;
 210         testArgs[0] = Formattable((int32_t)i);
 211         testArgs[2] = testArgs[0];
 212         res2 = pattform->format(testArgs, 3, str, fpos, status );
 213         if (!chkstatus( status, "***  test_complex_example format" )) {
 214             delete fileform;
 215             delete filenumform;
 216             delete pattform;
 217             return;
 218         }
 219         it_logln(i + UnicodeString(" -> ") + res2);
 220         if (res2 != checkstr[i - start]) {
 221             it_errln("***  test_complex_example res string");
 222             it_errln(UnicodeString("*** ") + i + UnicodeString(" -> '") + res2 + UnicodeString("' unlike '") + checkstr[i] + UnicodeString("' ! "));
 223         }
 224     }
 225     it_logln();
 226
 227     it_logln("------ additional testing in complex test ------");
 228     it_logln();
 229     //
 230 #if 0  // ICU 4.8 deprecates and disables the ChoiceFormat getters.
 231     int32_t retCount;
 232     const double* retLimits = fileform->getLimits( retCount );
 233     if ((retCount == 4) && (retLimits)
 234     && (retLimits[0] == -1.0)
 235     && (retLimits[1] == 0.0)
 236     && (retLimits[2] == 1.0)
 237     && (retLimits[3] == 2.0)) {
 238         it_logln("getLimits tested!");
 239     }else{
 240         it_errln("***  getLimits unexpected result!");
 241     }
 242
 243     const UnicodeString* retFormats = fileform->getFormats( retCount );
 244     if ((retCount == 4) && (retFormats)
 245     && (retFormats[0] == "are corrupted files")
 246     && (retFormats[1] == "are no files")
 247     && (retFormats[2] == "is one file")
 248     && (retFormats[3] == "are {2} files")) {
 249         it_logln("getFormats tested!");
 250     }else{
 251         it_errln("***  getFormats unexpected result!");
 252     }
 253 #endif
 254
 255     UnicodeString checkstr2[] = {
 256         "There is no folder on Disk_A",
 257         "There is one folder on Disk_A",
 258         "There are many folders on Disk_A",
 259         "There are many folders on Disk_A"
 260     };
 261
 262     fileform->applyPattern("0#is no folder|1#is one folder|2#are many folders", status );
 263     if (status == U_ZERO_ERROR)
 264         it_logln("status applyPattern OK!");
 265     if (!chkstatus( status, "***  test_complex_example pattform" )) {
 266         delete fileform;
 267         delete filenumform;
 268         delete pattform;
 269         return;
 270     }
 271     pattform->setFormat( 0, *fileform );
 272     fpos = 0;
 273     for (i = 0; i < 4; ++i) {
 274         str = "";
 275         status = U_ZERO_ERROR;
 276         testArgs[0] = Formattable((int32_t)i);
 277         testArgs[2] = testArgs[0];
 278         res2 = pattform->format(testArgs, 3, str, fpos, status );
 279         if (!chkstatus( status, "***  test_complex_example format 2" )) {
 280             delete fileform;
 281             delete filenumform;
 282             delete pattform;
 283             return;
 284         }
 285         it_logln(UnicodeString() + i + UnicodeString(" -> ") + res2);
 286         if (res2 != checkstr2[i]) {
 287             it_errln("***  test_complex_example res string");
 288             it_errln(UnicodeString("*** ") + i + UnicodeString(" -> '") + res2 + UnicodeString("' unlike '") + checkstr2[i] + UnicodeString("' ! "));
 289         }
 290     }
 291
 292     const double limits_A[] = {1,2,3,4,5,6,7};
 293     const UnicodeString monthNames_A[] = {"Sun","Mon","Tue","Wed","Thur","Fri","Sat"};
 294     ChoiceFormat* form_A = new ChoiceFormat(limits_A, monthNames_A, 7);
 295     ChoiceFormat* form_A2 = new ChoiceFormat(limits_A, monthNames_A, 7);
 296     const double limits_B[] = {1,2,3,4,5,6,7};
 297     const UnicodeString monthNames_B[] = {"Sun","Mon","Tue","Wed","Thur","Fri","Sat_BBB"};
 298     ChoiceFormat* form_B = new ChoiceFormat(limits_B, monthNames_B, 7);
 299     if (!form_A || !form_B || !form_A2) {
 300         it_errln("***  test-choiceFormat not allocatable!");
 301     }else{
 302         if (*form_A == *form_A2) {
 303             it_logln("operator== tested.");
 304         }else{
 305             it_errln("***  operator==");
 306         }
 307
 308         if (*form_A != *form_B) {
 309             it_logln("operator!= tested.");
 310         }else{
 311             it_errln("***  operator!=");
 312         }
 313
 314         ChoiceFormat* form_A3 = (ChoiceFormat*) form_A->clone();
 315         if (!form_A3) {
 316             it_errln("***  ChoiceFormat->clone is nil.");
 317         }else{
 318             if ((*form_A3 == *form_A) && (*form_A3 != *form_B)) {
 319                 it_logln("method clone tested.");
 320             }else{
 321                 it_errln("***  ChoiceFormat clone or operator==, or operator!= .");
 322             }
 323         }
 324
 325         ChoiceFormat form_Assigned( *form_A );
 326         UBool ok = (form_Assigned == *form_A) && (form_Assigned != *form_B);
 327         form_Assigned = *form_B;
 328         ok = ok && (form_Assigned != *form_A) && (form_Assigned == *form_B);
 329         if (ok) {
 330             it_logln("copy constructor and operator= tested.");
 331         }else{
 332             it_errln("***  copy constructor or operator= or operator == or operator != .");
 333         }
 334         delete form_A3;
 335     }
 336
 337
 338     delete form_A; delete form_A2; delete form_B;
 339
 340     const char* testPattern = "0#none|1#one|2#many";
 341     ChoiceFormat form_pat( testPattern, status );
 342     if (!chkstatus( status, "***  ChoiceFormat contructor( newPattern, status)" )) {
 343         delete fileform;
 344         delete filenumform;
 345         delete pattform;
 346         return;
 347     }
 348
 349     form_pat.toPattern( res1 );
 350     if (res1 == "0#none|1#one|2#many") {
 351         it_logln("ChoiceFormat contructor( newPattern, status) tested");
 352     }else{
 353         it_errln("***  ChoiceFormat contructor( newPattern, status) or toPattern result!");
 354     }
 355
 356     double d_a2[] = { 3.0, 4.0 };
 357     UnicodeString s_a2[] = { "third", "forth" };
 358
 359     form_pat.setChoices( d_a2, s_a2, 2 );
 360     form_pat.toPattern( res1 );
 361     it_logln(UnicodeString("ChoiceFormat adoptChoices toPattern: ") + res1);
 362     if (res1 == "3#third|4#forth") {
 363         it_logln("ChoiceFormat adoptChoices tested");
 364     }else{
 365         it_errln("***  ChoiceFormat adoptChoices result!");
 366     }
 367
 368     str = "";
 369     fpos = 0;
 370     status = U_ZERO_ERROR;
 371     double arg_double = 3.0;
 372     res1 = form_pat.format( arg_double, str, fpos );
 373     it_logln(UnicodeString("ChoiceFormat format:") + res1);
 374     if (res1 != "third") it_errln("***  ChoiceFormat format (double, ...) result!");
 375
 376     str = "";
 377     fpos = 0;
 378     status = U_ZERO_ERROR;
 379     int64_t arg_64 = 3;
 380     res1 = form_pat.format( arg_64, str, fpos );
 381     it_logln(UnicodeString("ChoiceFormat format:") + res1);
 382     if (res1 != "third") it_errln("***  ChoiceFormat format (int64_t, ...) result!");
 383
 384     str = "";
 385     fpos = 0;
 386     status = U_ZERO_ERROR;
 387     int32_t arg_long = 3;
 388     res1 = form_pat.format( arg_long, str, fpos );
 389     it_logln(UnicodeString("ChoiceFormat format:") + res1);
 390     if (res1 != "third") it_errln("***  ChoiceFormat format (int32_t, ...) result!");
 391
 392     Formattable ft( (int32_t)3 );
 393     str = "";
 394     fpos = 0;
 395     status = U_ZERO_ERROR;
 396     res1 = form_pat.format( ft, str, fpos, status );
 397     if (!chkstatus( status, "***  test_complex_example format (int32_t, ...)" )) {
 398         delete fileform;
 399         delete filenumform;
 400         delete pattform;
 401         return;
 402     }
 403     it_logln(UnicodeString("ChoiceFormat format:") + res1);
 404     if (res1 != "third") it_errln("***  ChoiceFormat format (Formattable, ...) result!");
 405
 406     Formattable fta[] = { (int32_t)3 };
 407     str = "";
 408     fpos = 0;
 409     status = U_ZERO_ERROR;
 410     res1 = form_pat.format( fta, 1, str, fpos, status );
 411     if (!chkstatus( status, "***  test_complex_example format (int32_t, ...)" )) {
 412         delete fileform;
 413         delete filenumform;
 414         delete pattform;
 415         return;
 416     }
 417     it_logln(UnicodeString("ChoiceFormat format:") + res1);
 418     if (res1 != "third") it_errln("***  ChoiceFormat format (Formattable[], cnt, ...) result!");
 419
 420     ParsePosition parse_pos = 0;
 421     Formattable result;
 422     UnicodeString parsetext("third");
 423     form_pat.parse( parsetext, result, parse_pos );
 424     double rd = (result.getType() == Formattable::kLong) ? result.getLong() : result.getDouble();
 425     if (rd == 3.0) {
 426         it_logln("parse( ..., ParsePos ) tested.");
 427     }else{
 428         it_errln("*** ChoiceFormat parse( ..., ParsePos )!");
 429     }
 430
 431     form_pat.parse( parsetext, result, status );
 432     rd = (result.getType() == Formattable::kLong) ? result.getLong() : result.getDouble();
 433     if (rd == 3.0) {
 434         it_logln("parse( ..., UErrorCode ) tested.");
 435     }else{
 436         it_errln("*** ChoiceFormat parse( ..., UErrorCode )!");
 437     }
 438
 439     /*
 440     UClassID classID = ChoiceFormat::getStaticClassID();
 441     if (classID == form_pat.getDynamicClassID()) {
 442         it_out << "getStaticClassID and getDynamicClassID tested." << endl;
 443     }else{
 444         it_errln("*** getStaticClassID and getDynamicClassID!");
 445     }
 446     */
 447
 448     it_logln();
 449
 450     delete fileform;
 451     delete filenumform;
 452     delete pattform;
 453 }
 454
 455
 456 /**
 457  * Test new closure API
 458  */
 459 void TestChoiceFormat::TestClosures(void) {
 460     // Construct open, half-open, half-open (the other way), and closed
 461     // intervals.  Do this both using arrays and using a pattern.
 462
 463     // 'fmt1' is created using arrays
 464     UBool T = TRUE, F = FALSE;
 465     // 0:   ,1)
 466     // 1: [1,2]
 467     // 2: (2,3]
 468     // 3: (3,4)
 469     // 4: [4,5)
 470     // 5: [5,
 471     double limits[]  = { 0, 1, 2, 3, 4, 5 };
 472     UBool closures[] = { F, F, T, T, F, F };
 473     UnicodeString fmts[] = {
 474         ",1)", "[1,2]", "(2,3]", "(3,4)", "[4,5)", "[5,"
 475     };
 476     ChoiceFormat fmt1(limits, closures, fmts, 6);
 477
 478     // 'fmt2' is created using a pattern; it should be equivalent
 479     UErrorCode status = U_ZERO_ERROR;
 480     const char* PAT = "0#,1)|1#[1,2]|2<(2,3]|3<(3,4)|4#[4,5)|5#[5,";
 481     ChoiceFormat fmt2(PAT, status);
 482     if (U_FAILURE(status)) {
 483         errln("FAIL: ChoiceFormat constructor failed");
 484         return;
 485     }
 486
 487     // Check the patterns
 488     UnicodeString str;
 489     fmt1.toPattern(str);
 490     if (str == PAT) {
 491         logln("Ok: " + str);
 492     } else {
 493         errln("FAIL: " + str + ", expected " + PAT);
 494     }
 495     str.truncate(0);
 496
 497     // Check equality
 498     if (fmt1 != fmt2) {
 499         errln("FAIL: fmt1 != fmt2");
 500     }
 501
 502 #if 0  // ICU 4.8 deprecates and disables the ChoiceFormat getters.
 503     int32_t i;
 504     int32_t count2 = 0;
 505     const double *limits2 = fmt2.getLimits(count2);
 506     const UBool *closures2 = fmt2.getClosures(count2);
 507
 508     if((count2 != 6) || !limits2 || !closures2) {
 509         errln("FAIL: couldn't get limits or closures");
 510     } else {
 511         for(i=0;i<count2;i++) {
 512           logln("#%d/%d: limit %g closed %s\n",
 513                 i, count2,
 514                 limits2[i],
 515                 closures2[i] ?"T":"F");
 516           if(limits2[i] != limits[i]) {
 517             errln("FAIL: limit #%d = %g, should be %g\n", i, limits2[i], limits[i]);
 518           }
 519           if((closures2[i]!=0) != (closures[i]!=0)) {
 520             errln("FAIL: closure #%d = %s, should be %s\n", i, closures2[i]?"T":"F", closures[i]?"T":"F");
 521           }
 522         }
 523     }
 524 #endif
 525
 526     // Now test both format objects
 527     UnicodeString exp[] = {
 528         /*-0.5 => */ ",1)",
 529         /* 0.0 => */ ",1)",
 530         /* 0.5 => */ ",1)",
 531         /* 1.0 => */ "[1,2]",
 532         /* 1.5 => */ "[1,2]",
 533         /* 2.0 => */ "[1,2]",
 534         /* 2.5 => */ "(2,3]",
 535         /* 3.0 => */ "(2,3]",
 536         /* 3.5 => */ "(3,4)",
 537         /* 4.0 => */ "[4,5)",
 538         /* 4.5 => */ "[4,5)",
 539         /* 5.0 => */ "[5,",
 540         /* 5.5 => */ "[5,"
 541     };
 542
 543     // Each format object should behave exactly the same
 544     ChoiceFormat* FMT[] = { &fmt1, &fmt2 };
 545     for (int32_t pass=0; pass<2; ++pass) {
 546         int32_t j=0;
 547         for (int32_t ix=-5; ix<=55; ix+=5) {
 548             double x = ix / 10.0; // -0.5 to 5.5 step +0.5
 549             FMT[pass]->format(x, str);
 550             if (str == exp[j]) {
 551                 logln((UnicodeString)"Ok: " + x + " => " + str);
 552             } else {
 553                 errln((UnicodeString)"FAIL: " + x + " => " + str +
 554                       ", expected " + exp[j]);
 555             }
 556             str.truncate(0);
 557             ++j;
 558         }
 559     }
 560 }
 561
 562 /**
 563  * Helper for TestPatterns()
 564  */
 565 void TestChoiceFormat::_testPattern(const char* pattern,
 566                                     UBool isValid,
 567                                     double v1, const char* str1,
 568                                     double v2, const char* str2,
 569                                     double v3, const char* str3) {
 570     UErrorCode ec = U_ZERO_ERROR;
 571     ChoiceFormat fmt(pattern, ec);
 572     if (!isValid) {
 573         if (U_FAILURE(ec)) {
 574             logln((UnicodeString)"Ok: " + pattern + " failed");
 575         } else {
 576             logln((UnicodeString)"FAIL: " + pattern + " accepted");
 577         }
 578         return;
 579     }
 580     if (U_FAILURE(ec)) {
 581         errln((UnicodeString)"FAIL: ChoiceFormat(" + pattern + ") failed");
 582         return;
 583     } else {
 584         logln((UnicodeString)"Ok: Pattern: " + pattern);
 585     }
 586     UnicodeString out;
 587     logln((UnicodeString)"  toPattern: " + fmt.toPattern(out));
 588
 589     double v[] = {v1, v2, v3};
 590     const char* str[] = {str1, str2, str3};
 591     for (int32_t i=0; i<3; ++i) {
 592         out.truncate(0);
 593         fmt.format(v[i], out);
 594         if (out == str[i]) {
 595             logln((UnicodeString)"Ok: " + v[i] + " => " + out);
 596         } else {
 597             errln((UnicodeString)"FAIL: " + v[i] + " => " + out +
 598                   ", expected " + str[i]);
 599         }
 600     }
 601 }
 602
 603 /**
 604  * Test applyPattern
 605  */
 606 void TestChoiceFormat::TestPatterns(void) {
 607     // Try a pattern that isolates a single value.  Create
 608     // three ranges: [-Inf,1.0) [1.0,1.0] (1.0,+Inf]
 609     _testPattern("0.0#a|1.0#b|1.0<c", TRUE,
 610                  1.0 - 1e-9, "a",
 611                  1.0, "b",
 612                  1.0 + 1e-9, "c");
 613
 614 #if 0  // ICU 4.8 only checks the pattern syntax, not whether the ranges make sense.
 615     // Try an invalid pattern that isolates a single value.
 616     // [-Inf,1.0) [1.0,1.0) [1.0,+Inf]
 617     _testPattern("0.0#a|1.0#b|1.0#c", FALSE,
 618                  0, 0, 0, 0, 0, 0);
 619
 620     // Another
 621     // [-Inf,1.0] (1.0,1.0) [1.0,+Inf]
 622     _testPattern("0.0#a|1.0<b|1.0#c", FALSE,
 623                  0, 0, 0, 0, 0, 0);
 624     // Another
 625     // [-Inf,1.0] (1.0,1.0] (1.0,+Inf]
 626     _testPattern("0.0#a|1.0<b|1.0<c", FALSE,
 627                  0, 0, 0, 0, 0, 0);
 628
 629     // Try a grossly invalid pattern.
 630     // [-Inf,2.0) [2.0,1.0) [1.0,+Inf]
 631     _testPattern("0.0#a|2.0#b|1.0#c", FALSE,
 632                  0, 0, 0, 0, 0, 0);
 633 #endif
 634 }
 635
 636 void TestChoiceFormat::TestChoiceFormatToPatternOverflow()
 637 {
 638     static const double limits[] = {0.1e-78, 1e13, 0.1e78};
 639     UnicodeString monthNames[] = { "one", "two", "three" };
 640     ChoiceFormat fmt(limits, monthNames, UPRV_LENGTHOF(limits));
 641     UnicodeString patStr, expectedPattern1("1e-79#one|10000000000000#two|1e+77#three"),
 642         expectedPattern2("1e-079#one|10000000000000#two|1e+077#three");
 643     fmt.toPattern(patStr);
 644     if (patStr != expectedPattern1 && patStr != expectedPattern2) {
 645         errln("ChoiceFormat returned \"" + patStr + "\" instead of \"" + expectedPattern1 + " or " + expectedPattern2 + "\"");
 646     }
 647 }
 648
 649 #endif /* #if !UCONFIG_NO_FORMATTING */