Examples with DecimalFormat android.icu.text.DecimalFormat used on opensource projects

Example 66 with DecimalFormat

use of android.icu.text.DecimalFormat in project j2objc by google.

the class MyNumberFormat method Test4243011.

/**
 * 4243011: Formatting .5 rounds to "1" instead of "0"
 */
@Test
public void Test4243011() {
    double[] DATA = { 0.5, 1.5, 2.5, 3.5, 4.5 };
    String[] EXPECTED = { "0.", "2.", "2.", "4.", "4." };
    DecimalFormat format = new DecimalFormat("0.");
    for (int i = 0; i < DATA.length; i++) {
        String result = format.format(DATA[i]);
        if (result.equals(EXPECTED[i])) {
            logln("OK: got " + result);
        } else {
            errln("FAIL: got " + result);
        }
    }
}

Example 67 with DecimalFormat

use of android.icu.text.DecimalFormat in project j2objc by google.

the class MyNumberFormat method Test4106664.

/**
 * DecimalFormat.format(long n) fails if n * multiplier > MAX_LONG.
 */
@Test
public void Test4106664() {
    DecimalFormat df = new DecimalFormat();
    long n = 1234567890123456L;
    int m = 12345678;
    BigInteger bigN = BigInteger.valueOf(n);
    bigN = bigN.multiply(BigInteger.valueOf(m));
    df.setMultiplier(m);
    df.setGroupingUsed(false);
    logln("formated: " + df.format(n, new StringBuffer(), new FieldPosition(0)));
    logln("expected: " + bigN.toString());
}

Example 68 with DecimalFormat

use of android.icu.text.DecimalFormat in project j2objc by google.

the class MyNumberFormat method Test4179818.

/**
 * DecimalFormat is incorrectly rounding numbers like 1.2501 to 1.2
 */
@Test
public void Test4179818() {
    String[] DATA = { // Input  Pattern  Expected output
    "1.2511", "#.#", "1.3", "1.2501", "#.#", "1.3", "0.9999", "#", "1" };
    DecimalFormat fmt = new DecimalFormat("#", new DecimalFormatSymbols(Locale.US));
    for (int i = 0; i < DATA.length; i += 3) {
        double in = Double.valueOf(DATA[i]).doubleValue();
        String pat = DATA[i + 1];
        String exp = DATA[i + 2];
        fmt.applyPattern(pat);
        String out = fmt.format(in);
        if (out.equals(exp)) {
            logln("Ok: " + in + " x " + pat + " = " + out);
        } else {
            errln("FAIL: " + in + " x  " + pat + " = " + out + ", expected " + exp);
        }
    }
}

Example 69 with DecimalFormat

use of android.icu.text.DecimalFormat in project j2objc by google.

the class MyNumberFormat method Test4122840.

/**
 * Locale data should use generic currency symbol
 *
 * 1) Make sure that all currency formats use the generic currency symbol.
 * 2) Make sure we get the same results using the generic symbol or a
 *    hard-coded one.
 */
@Test
public void Test4122840() {
    Locale[] locales = NumberFormat.getAvailableLocales();
    for (int i = 0; i < locales.length; i++) {
        ICUResourceBundle rb = (ICUResourceBundle) ICUResourceBundle.getBundleInstance(ICUData.ICU_BASE_NAME, locales[i]);
        // 
        // Get the currency pattern for this locale.  We have to fish it
        // out of the ResourceBundle directly, since DecimalFormat.toPattern
        // will return the localized symbol, not \00a4
        // 
        String pattern = rb.getStringWithFallback("NumberElements/latn/patterns/currencyFormat");
        if (pattern.indexOf('\u00A4') == -1) {
            // 'x' not "x" -- workaround bug in IBM JDK 1.4.1
            errln("Currency format for " + locales[i] + " does not contain generic currency symbol:" + pattern);
        }
        // Create a DecimalFormat using the pattern we got and format a number
        DecimalFormatSymbols symbols = new DecimalFormatSymbols(locales[i]);
        DecimalFormat fmt1 = new DecimalFormat(pattern, symbols);
        String result1 = fmt1.format(1.111);
        // 
        // Now substitute in the locale's currency symbol and create another
        // pattern.  Replace the decimal separator with the monetary separator.
        // 
        // char decSep = symbols.getDecimalSeparator(); //The variable is never used
        char monSep = symbols.getMonetaryDecimalSeparator();
        StringBuffer buf = new StringBuffer(pattern);
        for (int j = 0; j < buf.length(); j++) {
            if (buf.charAt(j) == '\u00a4') {
                String cur = "'" + symbols.getCurrencySymbol() + "'";
                buf.replace(j, j + 1, cur);
                j += cur.length() - 1;
            }
        }
        symbols.setDecimalSeparator(monSep);
        DecimalFormat fmt2 = new DecimalFormat(buf.toString(), symbols);
        // Actual width of decimal fractions and rounding option are inherited
        // from the currency, not the pattern itself.  So we need to force
        // maximum/minimumFractionDigits and rounding option for the second
        // DecimalForamt instance.  The fix for ticket#7282 requires this test
        // code change to make it work properly.
        fmt2.setMaximumFractionDigits(fmt1.getMaximumFractionDigits());
        fmt2.setMinimumFractionDigits(fmt1.getMinimumFractionDigits());
        fmt2.setRoundingIncrement(fmt1.getRoundingIncrement());
        String result2 = fmt2.format(1.111);
        // NOTE: en_IN is a special case (ChoiceFormat currency display name)
        if (!result1.equals(result2) && !locales[i].toString().equals("en_IN")) {
            errln("Results for " + locales[i] + " differ: " + result1 + " vs " + result2);
        }
    }
}

Example 70 with DecimalFormat

use of android.icu.text.DecimalFormat in project j2objc by google.

the class MyNumberFormat method Test4052223.

/**
 * Tests ParsePosition.setErrorPosition() and ParsePosition.getErrorPosition().
 */
@Test
public void Test4052223() {
    try {
        DecimalFormat fmt = new DecimalFormat("#,#00.00");
        Number num = fmt.parse("abc3");
        errln("Bug 4052223 failed : can't parse string \"a\".  Got " + num);
    } catch (ParseException foo) {
        logln("Caught expected ParseException : " + foo.getMessage() + " at index : " + foo.getErrorOffset());
    }
}