Examples with BigDecimal android.icu.math.BigDecimal used on opensource projects

Example 11 with BigDecimal

use of android.icu.math.BigDecimal in project j2objc by google.

the class TimeScaleMonkeyTest method initRandom.

private void initRandom(long min, long max) {
    BigDecimal interval = new BigDecimal(max).subtract(new BigDecimal(min));
    ranMin = min;
    ranMax = max;
    ranInt = 0;
    if (ran == null) {
        ran = createRandom();
    }
    if (interval.compareTo(longMax) < 0) {
        ranInt = interval.longValue();
    }
}

Example 12 with BigDecimal

use of android.icu.math.BigDecimal in project j2objc by google.

the class NumberFormatTest method checkRound.

private BigDecimal checkRound(DecimalFormat nf, BigDecimal iValue, BigDecimal lastParsed) {
    String formatedBigDecimal = nf.format(iValue);
    String formattedDouble = nf.format(iValue.doubleValue());
    if (!equalButForTrailingZeros(formatedBigDecimal, formattedDouble)) {
        errln("Failure at: " + iValue + " (" + iValue.doubleValue() + ")" + ",\tRounding-mode: " + roundingModeNames[nf.getRoundingMode()] + ",\tRounding-increment: " + nf.getRoundingIncrement() + ",\tdouble: " + formattedDouble + ",\tBigDecimal: " + formatedBigDecimal);
    } else {
        logln("Value: " + iValue + ",\tRounding-mode: " + roundingModeNames[nf.getRoundingMode()] + ",\tRounding-increment: " + nf.getRoundingIncrement() + ",\tdouble: " + formattedDouble + ",\tBigDecimal: " + formatedBigDecimal);
    }
    try {
        // Number should have compareTo(...)
        BigDecimal parsed = toBigDecimal(nf.parse(formatedBigDecimal));
        if (lastParsed.compareTo(parsed) > 0) {
            errln("Rounding wrong direction!: " + lastParsed + " > " + parsed);
        }
        lastParsed = parsed;
    } catch (ParseException e) {
        errln("Parse Failure with: " + formatedBigDecimal);
    }
    return lastParsed;
}

Example 13 with BigDecimal

use of android.icu.math.BigDecimal in project j2objc by google.

the class NumberFormatTest method TestBigDecimalRounding.

@Test
public void TestBigDecimalRounding() {
    String figure = "50.000000004";
    Double dbl = new Double(figure);
    BigDecimal dec = new BigDecimal(figure);
    DecimalFormat f = (DecimalFormat) NumberFormat.getInstance();
    f.applyPattern("00.00######");
    assertEquals("double format", "50.00", f.format(dbl));
    assertEquals("bigdec format", "50.00", f.format(dec));
    int maxFracDigits = f.getMaximumFractionDigits();
    BigDecimal roundingIncrement = new BigDecimal("1").movePointLeft(maxFracDigits);
    f.setRoundingIncrement(roundingIncrement);
    f.setRoundingMode(BigDecimal.ROUND_DOWN);
    assertEquals("Rounding down", f.format(dbl), f.format(dec));
    f.setRoundingIncrement(roundingIncrement);
    f.setRoundingMode(BigDecimal.ROUND_HALF_UP);
    assertEquals("Rounding half up", f.format(dbl), f.format(dec));
}

Example 14 with BigDecimal

use of android.icu.math.BigDecimal in project j2objc by google.

the class NumberFormatTest method TestRoundUnnecessarytIssue11808.

// Testing for Issue 11808.
@Test
public void TestRoundUnnecessarytIssue11808() {
    DecimalFormat df = (DecimalFormat) DecimalFormat.getInstance();
    StringBuffer result = new StringBuffer("");
    df.setRoundingMode(BigDecimal.ROUND_UNNECESSARY);
    df.applyPattern("00.0#E0");
    try {
        df.format(99999.0, result, new FieldPosition(0));
        fail("Missing ArithmeticException for double: " + result);
    } catch (ArithmeticException expected) {
    // The exception should be thrown, since rounding is needed.
    }
    try {
        result = df.format(99999, result, new FieldPosition(0));
        fail("Missing ArithmeticException for int: " + result);
    } catch (ArithmeticException expected) {
    // The exception should be thrown, since rounding is needed.
    }
    try {
        result = df.format(new BigInteger("999999"), result, new FieldPosition(0));
        fail("Missing ArithmeticException for BigInteger: " + result);
    } catch (ArithmeticException expected) {
    // The exception should be thrown, since rounding is needed.
    }
    try {
        result = df.format(new BigDecimal("99999"), result, new FieldPosition(0));
        fail("Missing ArithmeticException for BigDecimal: " + result);
    } catch (ArithmeticException expected) {
    // The exception should be thrown, since rounding is needed.
    }
    try {
        result = df.format(new BigDecimal("-99999"), result, new FieldPosition(0));
        fail("Missing ArithmeticException for BigDecimal: " + result);
    } catch (ArithmeticException expected) {
    // The exception should be thrown, since rounding is needed.
    }
}

Example 15 with BigDecimal

use of android.icu.math.BigDecimal in project j2objc by google.

the class NumberFormatTest method TestCurrency.

/**
 * Test localized currency patterns.
 */
@Test
public void TestCurrency() {
    String[] DATA = { "fr", "CA", "", "1,50\u00a0$", "de", "DE", "", "1,50\u00a0\u20AC", "de", "DE", "PREEURO", "1,50\u00a0DM", "fr", "FR", "", "1,50\u00a0\u20AC", "fr", "FR", "PREEURO", "1,50\u00a0F" };
    for (int i = 0; i < DATA.length; i += 4) {
        Locale locale = new Locale(DATA[i], DATA[i + 1], DATA[i + 2]);
        NumberFormat fmt = NumberFormat.getCurrencyInstance(locale);
        String s = fmt.format(1.50);
        if (s.equals(DATA[i + 3])) {
            logln("Ok: 1.50 x " + locale + " => " + s);
        } else {
            logln("FAIL: 1.50 x " + locale + " => " + s + ", expected " + DATA[i + 3]);
        }
    }
    // format currency with CurrencyAmount
    for (int i = 0; i < DATA.length; i += 4) {
        Locale locale = new Locale(DATA[i], DATA[i + 1], DATA[i + 2]);
        Currency curr = Currency.getInstance(locale);
        logln("\nName of the currency is: " + curr.getName(locale, Currency.LONG_NAME, new boolean[] { false }));
        CurrencyAmount cAmt = new CurrencyAmount(1.5, curr);
        // cover hashCode
        logln("CurrencyAmount object's hashCode is: " + cAmt.hashCode());
        NumberFormat fmt = NumberFormat.getCurrencyInstance(locale);
        String sCurr = fmt.format(cAmt);
        if (sCurr.equals(DATA[i + 3])) {
            logln("Ok: 1.50 x " + locale + " => " + sCurr);
        } else {
            errln("FAIL: 1.50 x " + locale + " => " + sCurr + ", expected " + DATA[i + 3]);
        }
    }
    // Cover MeasureFormat.getCurrencyFormat()
    ULocale save = ULocale.getDefault();
    ULocale.setDefault(ULocale.US);
    MeasureFormat curFmt = MeasureFormat.getCurrencyFormat();
    String strBuf = curFmt.format(new CurrencyAmount(new Float(1234.56), Currency.getInstance("USD")));
    try {
        CurrencyAmount parsedVal = (CurrencyAmount) curFmt.parseObject(strBuf);
        Number val = parsedVal.getNumber();
        if (!val.equals(new BigDecimal("1234.56"))) {
            errln("FAIL: getCurrencyFormat of default locale (en_US) failed roundtripping the number. val=" + val);
        }
        if (!parsedVal.getCurrency().equals(Currency.getInstance("USD"))) {
            errln("FAIL: getCurrencyFormat of default locale (en_US) failed roundtripping the currency");
        }
    } catch (ParseException e) {
        errln("FAIL: " + e.getMessage());
    }
    ULocale.setDefault(save);
}