static jint getCurrencyFractionDigitsNative(JNIEnv* env, jclass clazz, jstring currencyCode) { UErrorCode status = U_ZERO_ERROR; NumberFormat* fmt = NumberFormat::createCurrencyInstance(status); if (U_FAILURE(status)) { return -1; } const jchar* cCode = env->GetStringChars(currencyCode, NULL); fmt->setCurrency(cCode, status); env->ReleaseStringChars(currencyCode, cCode); if (U_FAILURE(status)) { return -1; } // for CurrencyFormats the minimum and maximum fraction digits are the same. int result = fmt->getMinimumFractionDigits(); delete fmt; return result; }
/** * This test does round-trip testing (format -> parse -> format -> parse -> etc.) of * NumberFormat. */ void IntlTestNumberFormatAPI::testAPI(/* char* par */) { UErrorCode status = U_ZERO_ERROR; // ======= Test constructors logln("Testing NumberFormat constructors"); NumberFormat *def = NumberFormat::createInstance(status); if(U_FAILURE(status)) { errln("ERROR: Could not create NumberFormat (default)"); } status = U_ZERO_ERROR; NumberFormat *fr = NumberFormat::createInstance(Locale::getFrench(), status); if(U_FAILURE(status)) { errln("ERROR: Could not create NumberFormat (French)"); } NumberFormat *cur = NumberFormat::createCurrencyInstance(status); if(U_FAILURE(status)) { errln("ERROR: Could not create NumberFormat (currency, default)"); } status = U_ZERO_ERROR; NumberFormat *cur_fr = NumberFormat::createCurrencyInstance(Locale::getFrench(), status); if(U_FAILURE(status)) { errln("ERROR: Could not create NumberFormat (currency, French)"); } NumberFormat *per = NumberFormat::createPercentInstance(status); if(U_FAILURE(status)) { errln("ERROR: Could not create NumberFormat (percent, default)"); } status = U_ZERO_ERROR; NumberFormat *per_fr = NumberFormat::createPercentInstance(Locale::getFrench(), status); if(U_FAILURE(status)) { errln("ERROR: Could not create NumberFormat (percent, French)"); } // ======= Test equality if (per_fr != NULL && cur_fr != NULL) { logln("Testing equality operator"); if( *per_fr == *cur_fr || ! ( *per_fr != *cur_fr) ) { errln("ERROR: == failed"); } } // ======= Test various format() methods if (cur_fr != NULL) { logln("Testing various format() methods"); double d = -10456.0037; int32_t l = 100000000; Formattable fD(d); Formattable fL(l); UnicodeString res1, res2, res3, res4, res5, res6; FieldPosition pos1(0), pos2(0), pos3(0), pos4(0); res1 = cur_fr->format(d, res1); logln( (UnicodeString) "" + (int32_t) d + " formatted to " + res1); res2 = cur_fr->format(l, res2); logln((UnicodeString) "" + (int32_t) l + " formatted to " + res2); res3 = cur_fr->format(d, res3, pos1); logln( (UnicodeString) "" + (int32_t) d + " formatted to " + res3); res4 = cur_fr->format(l, res4, pos2); logln((UnicodeString) "" + (int32_t) l + " formatted to " + res4); status = U_ZERO_ERROR; res5 = cur_fr->format(fD, res5, pos3, status); if(U_FAILURE(status)) { errln("ERROR: format(Formattable [double]) failed"); } logln((UnicodeString) "" + (int32_t) fD.getDouble() + " formatted to " + res5); status = U_ZERO_ERROR; res6 = cur_fr->format(fL, res6, pos4, status); if(U_FAILURE(status)) { errln("ERROR: format(Formattable [long]) failed"); } logln((UnicodeString) "" + fL.getLong() + " formatted to " + res6); } // ======= Test parse() if (fr != NULL) { logln("Testing parse()"); double d = -10456.0037; UnicodeString text("-10,456.0037"); Formattable result1, result2, result3; ParsePosition pos(0), pos01(0); fr->parseObject(text, result1, pos); if(result1.getType() != Formattable::kDouble && result1.getDouble() != d) { errln("ERROR: Roundtrip failed (via parse()) for " + text); } logln(text + " parsed into " + (int32_t) result1.getDouble()); fr->parse(text, result2, pos01); if(result2.getType() != Formattable::kDouble && result2.getDouble() != d) { errln("ERROR: Roundtrip failed (via parse()) for " + text); } logln(text + " parsed into " + (int32_t) result2.getDouble()); status = U_ZERO_ERROR; fr->parse(text, result3, status); if(U_FAILURE(status)) { errln("ERROR: parse() failed"); } if(result3.getType() != Formattable::kDouble && result3.getDouble() != d) { errln("ERROR: Roundtrip failed (via parse()) for " + text); } logln(text + " parsed into " + (int32_t) result3.getDouble()); } // ======= Test getters and setters if (fr != NULL && def != NULL) { logln("Testing getters and setters"); int32_t count = 0; const Locale *locales = NumberFormat::getAvailableLocales(count); logln((UnicodeString) "Got " + count + " locales" ); for(int32_t i = 0; i < count; i++) { UnicodeString name(locales[i].getName(),""); logln(name); } fr->setParseIntegerOnly( def->isParseIntegerOnly() ); if(fr->isParseIntegerOnly() != def->isParseIntegerOnly() ) { errln("ERROR: setParseIntegerOnly() failed"); } fr->setGroupingUsed( def->isGroupingUsed() ); if(fr->isGroupingUsed() != def->isGroupingUsed() ) { errln("ERROR: setGroupingUsed() failed"); } fr->setMaximumIntegerDigits( def->getMaximumIntegerDigits() ); if(fr->getMaximumIntegerDigits() != def->getMaximumIntegerDigits() ) { errln("ERROR: setMaximumIntegerDigits() failed"); } fr->setMinimumIntegerDigits( def->getMinimumIntegerDigits() ); if(fr->getMinimumIntegerDigits() != def->getMinimumIntegerDigits() ) { errln("ERROR: setMinimumIntegerDigits() failed"); } fr->setMaximumFractionDigits( def->getMaximumFractionDigits() ); if(fr->getMaximumFractionDigits() != def->getMaximumFractionDigits() ) { errln("ERROR: setMaximumFractionDigits() failed"); } fr->setMinimumFractionDigits( def->getMinimumFractionDigits() ); if(fr->getMinimumFractionDigits() != def->getMinimumFractionDigits() ) { errln("ERROR: setMinimumFractionDigits() failed"); } } // ======= Test getStaticClassID() logln("Testing getStaticClassID()"); status = U_ZERO_ERROR; NumberFormat *test = new DecimalFormat(status); if(U_FAILURE(status)) { errln("ERROR: Couldn't create a NumberFormat"); } if(test->getDynamicClassID() != DecimalFormat::getStaticClassID()) { errln("ERROR: getDynamicClassID() didn't return the expected value"); } delete test; delete def; delete fr; delete cur; delete cur_fr; delete per; delete per_fr; }