Example #1
0
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;
}