icuSources/test/intltest/tsnmfmt.cpp

   1 /***********************************************************************
   2  * COPYRIGHT:
   3  * Copyright (c) 1997-2004, International Business Machines Corporation
   4  * and others. All Rights Reserved.
   5  ***********************************************************************/
   6
   7 #include "unicode/utypes.h"
   8
   9 #if !UCONFIG_NO_FORMATTING
  10
  11 #include "unicode/decimfmt.h"
  12 #include "tsnmfmt.h"
  13 #include "putilimp.h"
  14 #include <float.h>
  15 #include <stdlib.h>
  16
  17 IntlTestNumberFormat::~IntlTestNumberFormat() {}
  18
  19 static const char * formattableTypeName(Formattable::Type t)
  20 {
  21   switch(t) {
  22   case Formattable::kDate: return "kDate";
  23   case Formattable::kDouble: return "kDouble";
  24   case Formattable::kLong: return "kLong";
  25   case Formattable::kString: return "kString";
  26   case Formattable::kArray: return "kArray";
  27   case Formattable::kInt64: return "kInt64";
  28   default: return "??unknown??";
  29   }
  30 }
  31
  32 /**
  33  * This test does round-trip testing (format -> parse -> format -> parse -> etc.) of
  34  * NumberFormat.
  35  */
  36 void IntlTestNumberFormat::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
  37 {
  38
  39     if (exec) logln((UnicodeString)"TestSuite NumberFormat");
  40     switch (index) {
  41         case 0: name = "createInstance";
  42             if (exec)
  43             {
  44                 logln(name);
  45                 fStatus = U_ZERO_ERROR;
  46                 fFormat = NumberFormat::createInstance(fStatus);
  47                 testFormat(/*par*/);
  48             }
  49             break;
  50
  51         case 1: name = "DefaultLocale";
  52             if (exec) testLocale(/*par, */Locale::getDefault(), name);
  53             break;
  54
  55         case 2: name = "testAvailableLocales";
  56             if (exec) {
  57                 logln(name);
  58                 testAvailableLocales(/*par*/);
  59             }
  60             break;
  61
  62         case 3: name = "monsterTest";
  63             if (exec) {
  64                 logln(name);
  65                 monsterTest(/*par*/);
  66             }
  67             break;
  68
  69         default: name = ""; break;
  70     }
  71 }
  72
  73 void
  74 IntlTestNumberFormat::testLocale(/* char* par, */const Locale& locale, const UnicodeString& localeName)
  75 {
  76     const char* name;
  77
  78     fLocale = locale;
  79     name = "Number test";
  80     logln((UnicodeString)name + " (" + localeName + ")");
  81     fStatus = U_ZERO_ERROR;
  82     fFormat = NumberFormat::createInstance(locale, fStatus);
  83     testFormat(/* par */);
  84
  85     name = "Currency test";
  86     logln((UnicodeString)name + " (" + localeName + ")");
  87     fStatus = U_ZERO_ERROR;
  88     fFormat = NumberFormat::createCurrencyInstance(locale, fStatus);
  89     testFormat(/* par */);
  90
  91     name = "Percent test";
  92     logln((UnicodeString)name + " (" + localeName + ")");
  93     fStatus = U_ZERO_ERROR;
  94     fFormat = NumberFormat::createPercentInstance(locale, fStatus);
  95     testFormat(/* par */);
  96 }
  97
  98 double IntlTestNumberFormat::randDouble()
  99 {
 100     // Assume 8-bit (or larger) rand values.  Also assume
 101     // that the system rand() function is very poor, which it always is.
 102     // Call srand(currentTime) in intltest to make it truly random.
 103     double d;
 104     uint32_t i;
 105     char* poke = (char*)&d;
 106     do {
 107         for (i=0; i < sizeof(double); ++i)
 108         {
 109             poke[i] = (char)(rand() & 0xFF);
 110         }
 111     } while (uprv_isNaN(d) || uprv_isInfinite(d)
 112         || !((-DBL_MAX < d && d < DBL_MAX) || (d < -DBL_MIN && DBL_MIN < d)));
 113
 114     return d;
 115 }
 116
 117 /*
 118  * Return a random uint32_t
 119  **/
 120 uint32_t IntlTestNumberFormat::randLong()
 121 {
 122     // Assume 8-bit (or larger) rand values.  Also assume
 123     // that the system rand() function is very poor, which it always is.
 124     // Call srand(currentTime) in intltest to make it truly random.
 125     uint32_t d;
 126     uint32_t i;
 127     char* poke = (char*)&d;
 128     for (i=0; i < sizeof(uint32_t); ++i)
 129     {
 130         poke[i] = (char)(rand() & 0xFF);
 131     }
 132     return d;
 133 }
 134
 135
 136 /* Make sure that we don't get something too large and multiply into infinity.
 137    @param smallerThanMax the requested maximum value smaller than DBL_MAX */
 138 double IntlTestNumberFormat::getSafeDouble(double smallerThanMax) {
 139     double it;
 140     double high = (DBL_MAX/smallerThanMax)/10.0;
 141     double low = -high;
 142     do {
 143         it = randDouble();
 144     } while (low > it || it > high);
 145     return it;
 146 }
 147
 148 void
 149 IntlTestNumberFormat::testFormat(/* char* par */)
 150 {
 151     if (U_FAILURE(fStatus))
 152     {
 153         errln((UnicodeString)"**** FAIL: createXxxInstance failed.");
 154         if (fFormat != 0)
 155             errln("**** FAIL: Non-null format returned by createXxxInstance upon failure.");
 156         delete fFormat;
 157         fFormat = 0;
 158         return;
 159     }
 160
 161     if (fFormat == 0)
 162     {
 163         errln((UnicodeString)"**** FAIL: Null format returned by createXxxInstance.");
 164         return;
 165     }
 166
 167     UnicodeString str;
 168
 169     // Assume it's a DecimalFormat and get some info
 170     DecimalFormat *s = (DecimalFormat*)fFormat;
 171     logln((UnicodeString)"  Pattern " + s->toPattern(str));
 172
 173 #if defined(OS390) || defined(OS400)
 174     tryIt(-2.02147304840132e-68);
 175     tryIt(3.88057859588817e-68); // Test rounding when only some digits are shown because exponent is close to -maxfrac
 176     tryIt(-2.64651110485945e+65); // Overflows to +INF when shown as a percent
 177     tryIt(9.29526819488338e+64); // Ok -- used to fail?
 178 #else
 179     tryIt(-2.02147304840132e-100);
 180     tryIt(3.88057859588817e-096); // Test rounding when only some digits are shown because exponent is close to -maxfrac
 181     tryIt(-2.64651110485945e+306); // Overflows to +INF when shown as a percent
 182     tryIt(9.29526819488338e+250); // Ok -- used to fail?
 183 #endif
 184
 185     // These PASS now, with the sprintf/atof based format-parse.
 186
 187     // These fail due to round-off
 188     // The least significant digit drops by one during each format-parse cycle.
 189     // Both numbers DON'T have a round-off problem when multiplied by 100! (shown as %)
 190 #ifdef OS390
 191     tryIt(-9.18228054496402e+64);
 192     tryIt(-9.69413034454191e+64);
 193 #else
 194     tryIt(-9.18228054496402e+255);
 195     tryIt(-9.69413034454191e+273);
 196 #endif
 197
 198 #ifndef OS390
 199     tryIt(1.234e-200);
 200     tryIt(-2.3e-168);
 201
 202     tryIt(uprv_getNaN());
 203     tryIt(uprv_getInfinity());
 204     tryIt(-uprv_getInfinity());
 205 #endif
 206
 207     tryIt((int32_t)251887531);
 208     tryIt(5e-20 / 9);
 209     tryIt(5e20 / 9);
 210     tryIt(1.234e-50);
 211     tryIt(9.99999999999996);
 212     tryIt(9.999999999999996);
 213
 214     tryIt((int32_t)INT32_MIN);
 215     tryIt((int32_t)INT32_MAX);
 216     tryIt((double)INT32_MIN);
 217     tryIt((double)INT32_MAX);
 218     tryIt((double)INT32_MIN - 1.0);
 219     tryIt((double)INT32_MAX + 1.0);
 220
 221     tryIt(5.0 / 9.0 * 1e-20);
 222     tryIt(4.0 / 9.0 * 1e-20);
 223     tryIt(5.0 / 9.0 * 1e+20);
 224     tryIt(4.0 / 9.0 * 1e+20);
 225
 226     tryIt(2147483647.);
 227     tryIt((int32_t)0);
 228     tryIt(0.0);
 229     tryIt((int32_t)1);
 230     tryIt((int32_t)10);
 231     tryIt((int32_t)100);
 232     tryIt((int32_t)-1);
 233     tryIt((int32_t)-10);
 234     tryIt((int32_t)-100);
 235     tryIt((int32_t)-1913860352);
 236
 237     for (int32_t z=0; z<10; ++z)
 238     {
 239         double d = randFraction() * 2e10 - 1e10;
 240         tryIt(d);
 241     }
 242
 243     double it = getSafeDouble(100000.0);
 244
 245     tryIt(0.0);
 246     tryIt(it);
 247     tryIt((int32_t)0);
 248     tryIt(uprv_floor(it));
 249     tryIt((int32_t)randLong());
 250
 251     // try again
 252     it = getSafeDouble(100.0);
 253     tryIt(it);
 254     tryIt(uprv_floor(it));
 255     tryIt((int32_t)randLong());
 256
 257     // try again with very large numbers
 258     it = getSafeDouble(100000000000.0);
 259     tryIt(it);
 260
 261     // try again with very large numbers
 262     // and without going outside of the int32_t range
 263     it = randFraction() * INT32_MAX;
 264     tryIt(it);
 265     tryIt((int32_t)uprv_floor(it));
 266
 267     delete fFormat;
 268 }
 269
 270 void
 271 IntlTestNumberFormat::tryIt(double aNumber)
 272 {
 273     const int32_t DEPTH = 10;
 274     Formattable number[DEPTH];
 275     UnicodeString string[DEPTH];
 276
 277     int32_t numberMatch = 0;
 278     int32_t stringMatch = 0;
 279     UnicodeString errMsg;
 280     int32_t i;
 281     for (i=0; i<DEPTH; ++i)
 282     {
 283         errMsg.truncate(0); // if non-empty, we failed this iteration
 284         UErrorCode status = U_ZERO_ERROR;
 285         string[i] = "(n/a)"; // "format was never done" value
 286         if (i == 0) {
 287             number[i].setDouble(aNumber);
 288         } else {
 289             fFormat->parse(string[i-1], number[i], status);
 290             if (U_FAILURE(status)) {
 291                 number[i].setDouble(1234.5); // "parse failed" value
 292                 errMsg = "**** FAIL: Parse of " + prettify(string[i-1]) + " failed.";
 293                 --i; // don't show empty last line: "1234.5 F> (n/a) P>"
 294                 break;
 295             }
 296         }
 297         // Convert from long to double
 298         if (number[i].getType() == Formattable::kLong)
 299             number[i].setDouble(number[i].getLong());
 300         else if (number[i].getType() == Formattable::kInt64)
 301             number[i].setDouble((double)number[i].getInt64());
 302         else if (number[i].getType() != Formattable::kDouble)
 303         {
 304             errMsg = ("**** FAIL: Parse of " + prettify(string[i-1])
 305                 + " returned non-numeric Formattable, type " + UnicodeString(formattableTypeName(number[i].getType()))
 306                 + ", Locale=" + UnicodeString(fLocale.getName())
 307                 + ", longValue=" + number[i].getLong());
 308             break;
 309         }
 310         string[i].truncate(0);
 311         fFormat->format(number[i].getDouble(), string[i]);
 312         if (i > 0)
 313         {
 314             if (numberMatch == 0 && number[i] == number[i-1])
 315                 numberMatch = i;
 316             else if (numberMatch > 0 && number[i] != number[i-1])
 317             {
 318                 errMsg = ("**** FAIL: Numeric mismatch after match.");
 319                 break;
 320             }
 321             if (stringMatch == 0 && string[i] == string[i-1])
 322                 stringMatch = i;
 323             else if (stringMatch > 0 && string[i] != string[i-1])
 324             {
 325                 errMsg = ("**** FAIL: String mismatch after match.");
 326                 break;
 327             }
 328         }
 329         if (numberMatch > 0 && stringMatch > 0)
 330             break;
 331     }
 332     if (i == DEPTH)
 333         --i;
 334
 335     if (stringMatch > 2 || numberMatch > 2)
 336     {
 337         errMsg = ("**** FAIL: No string and/or number match within 2 iterations.");
 338     }
 339
 340     if (errMsg.length() != 0)
 341     {
 342         for (int32_t k=0; k<=i; ++k)
 343         {
 344             logln((UnicodeString)"" + k + ": " + number[k].getDouble() + " F> " +
 345                   prettify(string[k]) + " P> ");
 346         }
 347         errln(errMsg);
 348     }
 349 }
 350
 351 void
 352 IntlTestNumberFormat::tryIt(int32_t aNumber)
 353 {
 354     Formattable number(aNumber);
 355     UnicodeString stringNum;
 356     UErrorCode status = U_ZERO_ERROR;
 357
 358     fFormat->format(number, stringNum, status);
 359     if (U_FAILURE(status))
 360     {
 361         errln("**** FAIL: Formatting " + aNumber);
 362         return;
 363     }
 364     fFormat->parse(stringNum, number, status);
 365     if (U_FAILURE(status))
 366     {
 367         errln("**** FAIL: Parse of " + prettify(stringNum) + " failed.");
 368         return;
 369     }
 370     if (number.getType() != Formattable::kLong)
 371     {
 372         errln("**** FAIL: Parse of " + prettify(stringNum)
 373             + " returned non-long Formattable, type " + UnicodeString(formattableTypeName(number.getType()))
 374             + ", Locale=" + UnicodeString(fLocale.getName())
 375             + ", doubleValue=" + number.getDouble()
 376             + ", longValue=" + number.getLong()
 377             + ", origValue=" + aNumber
 378             );
 379     }
 380     if (number.getLong() != aNumber) {
 381         errln("**** FAIL: Parse of " + prettify(stringNum) + " failed. Got:" + number.getLong()
 382             + " Expected:" + aNumber);
 383     }
 384 }
 385
 386 void IntlTestNumberFormat::testAvailableLocales(/* char* par */)
 387 {
 388     int32_t count = 0;
 389     const Locale* locales = NumberFormat::getAvailableLocales(count);
 390     logln((UnicodeString)"" + count + " available locales");
 391     if (locales && count)
 392     {
 393         UnicodeString name;
 394         UnicodeString all;
 395         for (int32_t i=0; i<count; ++i)
 396         {
 397             if (i!=0)
 398                 all += ", ";
 399             all += locales[i].getName();
 400         }
 401         logln(all);
 402     }
 403     else
 404         errln((UnicodeString)"**** FAIL: Zero available locales or null array pointer");
 405 }
 406
 407 void IntlTestNumberFormat::monsterTest(/* char* par */)
 408 {
 409     const char *SEP = "============================================================\n";
 410     int32_t count;
 411     const Locale* allLocales = NumberFormat::getAvailableLocales(count);
 412     Locale* locales = (Locale*)allLocales;
 413     Locale quickLocales[6];
 414     if (allLocales && count)
 415     {
 416         if (quick && count > 6) {
 417             logln("quick test: testing just 6 locales!");
 418             count = 6;
 419             locales = quickLocales;
 420             locales[0] = allLocales[0];
 421             locales[1] = allLocales[1];
 422             locales[2] = allLocales[2];
 423             // In a quick test, make sure we test locales that use
 424             // currency prefix, currency suffix, and choice currency
 425             // logic.  Otherwise bugs in these areas can slip through.
 426             locales[3] = Locale("ar", "AE", "");
 427             locales[4] = Locale("cs", "CZ", "");
 428             locales[5] = Locale("en", "IN", "");
 429         }
 430         for (int32_t i=0; i<count; ++i)
 431         {
 432             UnicodeString name(locales[i].getName(), "");
 433             logln(SEP);
 434             testLocale(/* par, */locales[i], name);
 435         }
 436     }
 437
 438     logln(SEP);
 439 }
 440
 441 #endif /* #if !UCONFIG_NO_FORMATTING */