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

Example 81 with DecimalFormat

use of android.icu.text.DecimalFormat in project android_packages_apps_Settings by SudaMod.

the class FileSizeFormatter method getNumberFormatter.

private static NumberFormat getNumberFormatter(Locale locale, int fractionDigits) {
    final NumberFormat numberFormatter = NumberFormat.getInstance(locale);
    numberFormatter.setMinimumFractionDigits(fractionDigits);
    numberFormatter.setMaximumFractionDigits(fractionDigits);
    numberFormatter.setGroupingUsed(false);
    if (numberFormatter instanceof DecimalFormat) {
        // We do this only for DecimalFormat, since in the general NumberFormat case, calling
        // setRoundingMode may throw an exception.
        numberFormatter.setRoundingMode(BigDecimal.ROUND_HALF_UP);
    }
    return numberFormatter;
}

Example 82 with DecimalFormat

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

the class NumberFormatTest method TestCurrencyPlurals.

@Test
public void TestCurrencyPlurals() {
    String[][] tests = { { "en", "USD", "1", "1 US dollar" }, { "en", "USD", "1.0", "1.0 US dollars" }, { "en", "USD", "1.00", "1.00 US dollars" }, { "en", "USD", "1.99", "1.99 US dollars" }, { "en", "AUD", "1", "1 Australian dollar" }, { "en", "AUD", "1.00", "1.00 Australian dollars" }, { "sl", "USD", "1", "1 ameri\u0161ki dolar" }, { "sl", "USD", "2", "2 ameri\u0161ka dolarja" }, { "sl", "USD", "3", "3 ameri\u0161ki dolarji" }, { "sl", "USD", "5", "5 ameriških dolarjev" }, { "fr", "USD", "1.99", "1,99 dollar des États-Unis" }, { "ru", "RUB", "1", "1 \u0440\u043E\u0441\u0441\u0438\u0439\u0441\u043A\u0438\u0439 \u0440\u0443\u0431\u043B\u044C" }, { "ru", "RUB", "2", "2 \u0440\u043E\u0441\u0441\u0438\u0439\u0441\u043A\u0438\u0445 \u0440\u0443\u0431\u043B\u044F" }, { "ru", "RUB", "5", "5 \u0440\u043E\u0441\u0441\u0438\u0439\u0441\u043A\u0438\u0445 \u0440\u0443\u0431\u043B\u0435\u0439" } };
    for (String[] test : tests) {
        DecimalFormat numberFormat = (DecimalFormat) DecimalFormat.getInstance(new ULocale(test[0]), NumberFormat.PLURALCURRENCYSTYLE);
        numberFormat.setCurrency(Currency.getInstance(test[1]));
        double number = Double.parseDouble(test[2]);
        int dotPos = test[2].indexOf('.');
        int decimals = dotPos < 0 ? 0 : test[2].length() - dotPos - 1;
        int digits = dotPos < 0 ? test[2].length() : test[2].length() - 1;
        numberFormat.setMaximumFractionDigits(decimals);
        numberFormat.setMinimumFractionDigits(decimals);
        String actual = numberFormat.format(number);
        assertEquals(test[0] + "\t" + test[1] + "\t" + test[2], test[3], actual);
        numberFormat.setMaximumSignificantDigits(digits);
        numberFormat.setMinimumSignificantDigits(digits);
        actual = numberFormat.format(number);
        assertEquals(test[0] + "\t" + test[1] + "\t" + test[2], test[3], actual);
    }
}

Example 83 with DecimalFormat

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

the class NumberFormatTest method TestNonpositiveMultiplier.

@Test
public void TestNonpositiveMultiplier() {
    DecimalFormat df = new DecimalFormat("0");
    try {
        df.setMultiplier(0);
        // bad
        errln("DecimalFormat.setMultiplier(0) did not throw an IllegalArgumentException");
    } catch (IllegalArgumentException ex) {
    // good
    }
    try {
        df.setMultiplier(-1);
        if (df.getMultiplier() != -1) {
            errln("DecimalFormat.setMultiplier(-1) did not change the multiplier to -1");
            return;
        }
    // good
    } catch (IllegalArgumentException ex) {
        // bad
        errln("DecimalFormat.setMultiplier(-1) threw an IllegalArgumentException");
        return;
    }
    expect(df, "1122.123", -1122.123);
    expect(df, "-1122.123", 1122.123);
    expect(df, "1.2", -1.2);
    expect(df, "-1.2", 1.2);
    expect2(df, Long.MAX_VALUE, BigInteger.valueOf(Long.MAX_VALUE).negate().toString());
    expect2(df, Long.MIN_VALUE, BigInteger.valueOf(Long.MIN_VALUE).negate().toString());
    expect2(df, Long.MAX_VALUE / 2, BigInteger.valueOf(Long.MAX_VALUE / 2).negate().toString());
    expect2(df, Long.MIN_VALUE / 2, BigInteger.valueOf(Long.MIN_VALUE / 2).negate().toString());
    expect2(df, BigDecimal.valueOf(Long.MAX_VALUE), BigDecimal.valueOf(Long.MAX_VALUE).negate().toString());
    expect2(df, BigDecimal.valueOf(Long.MIN_VALUE), BigDecimal.valueOf(Long.MIN_VALUE).negate().toString());
    expect2(df, java.math.BigDecimal.valueOf(Long.MAX_VALUE), java.math.BigDecimal.valueOf(Long.MAX_VALUE).negate().toString());
    expect2(df, java.math.BigDecimal.valueOf(Long.MIN_VALUE), java.math.BigDecimal.valueOf(Long.MIN_VALUE).negate().toString());
}

Example 84 with DecimalFormat

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

the class NumberFormatTest method TestPerMill.

@Test
public void TestPerMill() {
    DecimalFormat fmt = new DecimalFormat("###.###\u2030");
    assertEquals("0.4857 x ###.###\u2030", "485.7\u2030", fmt.format(0.4857));
    DecimalFormatSymbols sym = new DecimalFormatSymbols(Locale.ENGLISH);
    sym.setPerMill('m');
    DecimalFormat fmt2 = new DecimalFormat("", sym);
    fmt2.applyLocalizedPattern("###.###m");
    assertEquals("0.4857 x ###.###m", "485.7m", fmt2.format(0.4857));
}

Example 85 with DecimalFormat

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

the class NumberFormatTest method TestLenientSymbolParsing.

/*
     * Testing lenient decimal/grouping separator parsing
     */
@Test
public void TestLenientSymbolParsing() {
    DecimalFormat fmt = new DecimalFormat();
    DecimalFormatSymbols sym = new DecimalFormatSymbols();
    expect(fmt, "12\u300234", 12.34);
    // Ticket#7345 - case 1
    // Even strict parsing, the decimal separator set in the symbols
    // should be successfully parsed.
    sym.setDecimalSeparator('\u3002');
    // non-strict
    fmt.setDecimalFormatSymbols(sym);
    // strict - failed before the fix for #7345
    fmt.setParseStrict(true);
    expect(fmt, "23\u300245", 23.45);
    fmt.setParseStrict(false);
    // Ticket#7345 - case 2
    // Decimal separator variants other than DecimalFormatSymbols.decimalSeparator
    // should not hide the grouping separator DecimalFormatSymbols.groupingSeparator.
    sym.setDecimalSeparator('.');
    sym.setGroupingSeparator(',');
    fmt.setDecimalFormatSymbols(sym);
    expect(fmt, "1,234.56", 1234.56);
    sym.setGroupingSeparator('\uFF61');
    fmt.setDecimalFormatSymbols(sym);
    expect(fmt, "2\uFF61345.67", 2345.67);
    // Ticket#7128
    // 
    sym.setGroupingSeparator(',');
    fmt.setDecimalFormatSymbols(sym);
    String skipExtSepParse = ICUConfig.get("android.icu.text.DecimalFormat.SkipExtendedSeparatorParsing", "false");
    if (skipExtSepParse.equals("true")) {
        // When the property SkipExtendedSeparatorParsing is true,
        // DecimalFormat does not use the extended equivalent separator
        // data and only uses the one in DecimalFormatSymbols.
        expect(fmt, "23 456", 23);
    } else {
        // Lenient separator parsing is enabled by default.
        // A space character below is interpreted as a
        // group separator, even ',' is used as grouping
        // separator in the symbols.
        expect(fmt, "12 345", 12345);
    }
}