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

Example 1 with DecimalFormat

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

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 2 with DecimalFormat

use of android.icu.text.DecimalFormat in project platform_packages_apps_Settings by BlissRoms.

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 3 with DecimalFormat

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

the class IntlTestDecimalFormatAPI method testJB4971.

@Test
public void testJB4971() {
    DecimalFormat decfmt = new DecimalFormat();
    MathContext resultICU;
    MathContext comp1 = new MathContext(0, MathContext.PLAIN);
    resultICU = decfmt.getMathContextICU();
    if ((comp1.getDigits() != resultICU.getDigits()) || (comp1.getForm() != resultICU.getForm()) || (comp1.getLostDigits() != resultICU.getLostDigits()) || (comp1.getRoundingMode() != resultICU.getRoundingMode())) {
        errln("ERROR: Math context 1 not equal - result: " + resultICU.toString() + " / expected: " + comp1.toString());
    }
    MathContext comp2 = new MathContext(5, MathContext.ENGINEERING);
    decfmt.setMathContextICU(comp2);
    resultICU = decfmt.getMathContextICU();
    if ((comp2.getDigits() != resultICU.getDigits()) || (comp2.getForm() != resultICU.getForm()) || (comp2.getLostDigits() != resultICU.getLostDigits()) || (comp2.getRoundingMode() != resultICU.getRoundingMode())) {
        errln("ERROR: Math context 2 not equal - result: " + resultICU.toString() + " / expected: " + comp2.toString());
    }
    java.math.MathContext result;
    java.math.MathContext comp3 = new java.math.MathContext(3, java.math.RoundingMode.DOWN);
    decfmt.setMathContext(comp3);
    result = decfmt.getMathContext();
    if ((comp3.getPrecision() != result.getPrecision()) || (comp3.getRoundingMode() != result.getRoundingMode())) {
        errln("ERROR: Math context 3 not equal - result: " + result.toString() + " / expected: " + comp3.toString());
    }
}

Example 4 with DecimalFormat

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

the class IntlTestDecimalFormatAPI method testJB6354.

@Test
public void testJB6354() {
    DecimalFormat pat = new DecimalFormat("#,##0.00");
    java.math.BigDecimal r1, r2;
    // get default rounding increment
    r1 = pat.getRoundingIncrement();
    // set rounding mode with zero increment.  Rounding
    // increment should be set by this operation
    pat.setRoundingMode(BigDecimal.ROUND_UP);
    r2 = pat.getRoundingIncrement();
    // check for different values
    if ((r1 != null) && (r2 != null)) {
        if (r1.compareTo(r2) == 0) {
            errln("ERROR: Rounding increment did not change");
        }
    }
}

Example 5 with DecimalFormat

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

the class IntlTestDecimalFormatAPI method TestAPI.

/**
 * This test checks various generic API methods in DecimalFormat to achieve
 * 100% API coverage.
 */
@Test
public void TestAPI() {
    logln("DecimalFormat API test---");
    logln("");
    Locale.setDefault(Locale.ENGLISH);
    // ======= Test constructors
    logln("Testing DecimalFormat constructors");
    DecimalFormat def = new DecimalFormat();
    final String pattern = new String("#,##0.# FF");
    DecimalFormat pat = null;
    try {
        pat = new DecimalFormat(pattern);
    } catch (IllegalArgumentException e) {
        errln("ERROR: Could not create DecimalFormat (pattern)");
    }
    DecimalFormatSymbols symbols = new DecimalFormatSymbols(Locale.FRENCH);
    DecimalFormat cust1 = new DecimalFormat(pattern, symbols);
    // ======= Test clone(), assignment, and equality
    logln("Testing clone() and equality operators");
    Format clone = (Format) def.clone();
    if (!def.equals(clone)) {
        errln("ERROR: Clone() failed");
    }
    // ======= Test various format() methods
    logln("Testing various format() methods");
    // final double d = -10456.0037; // this appears as -10456.003700000001 on NT
    // final double d = -1.04560037e-4; // this appears as -1.0456003700000002E-4 on NT
    // this works!
    final double d = -10456.00370000000000;
    final long l = 100000000;
    logln("" + d + " is the double value");
    StringBuffer res1 = new StringBuffer();
    StringBuffer res2 = new StringBuffer();
    StringBuffer res3 = new StringBuffer();
    StringBuffer res4 = new StringBuffer();
    FieldPosition pos1 = new FieldPosition(0);
    FieldPosition pos2 = new FieldPosition(0);
    FieldPosition pos3 = new FieldPosition(0);
    FieldPosition pos4 = new FieldPosition(0);
    res1 = def.format(d, res1, pos1);
    logln("" + d + " formatted to " + res1);
    res2 = pat.format(l, res2, pos2);
    logln("" + l + " formatted to " + res2);
    res3 = cust1.format(d, res3, pos3);
    logln("" + d + " formatted to " + res3);
    res4 = cust1.format(l, res4, pos4);
    logln("" + l + " formatted to " + res4);
    // ======= Test parse()
    logln("Testing parse()");
    String text = new String("-10,456.0037");
    ParsePosition pos = new ParsePosition(0);
    String patt = new String("#,##0.#");
    pat.applyPattern(patt);
    double d2 = pat.parse(text, pos).doubleValue();
    if (d2 != d) {
        errln("ERROR: Roundtrip failed (via parse(" + d2 + " != " + d + ")) for " + text);
    }
    logln(text + " parsed into " + (long) d2);
    // ======= Test getters and setters
    logln("Testing getters and setters");
    final DecimalFormatSymbols syms = pat.getDecimalFormatSymbols();
    def.setDecimalFormatSymbols(syms);
    if (!pat.getDecimalFormatSymbols().equals(def.getDecimalFormatSymbols())) {
        errln("ERROR: set DecimalFormatSymbols() failed");
    }
    String posPrefix;
    pat.setPositivePrefix("+");
    posPrefix = pat.getPositivePrefix();
    logln("Positive prefix (should be +): " + posPrefix);
    if (posPrefix != "+") {
        errln("ERROR: setPositivePrefix() failed");
    }
    String negPrefix;
    pat.setNegativePrefix("-");
    negPrefix = pat.getNegativePrefix();
    logln("Negative prefix (should be -): " + negPrefix);
    if (negPrefix != "-") {
        errln("ERROR: setNegativePrefix() failed");
    }
    String posSuffix;
    pat.setPositiveSuffix("_");
    posSuffix = pat.getPositiveSuffix();
    logln("Positive suffix (should be _): " + posSuffix);
    if (posSuffix != "_") {
        errln("ERROR: setPositiveSuffix() failed");
    }
    String negSuffix;
    pat.setNegativeSuffix("~");
    negSuffix = pat.getNegativeSuffix();
    logln("Negative suffix (should be ~): " + negSuffix);
    if (negSuffix != "~") {
        errln("ERROR: setNegativeSuffix() failed");
    }
    long multiplier = 0;
    pat.setMultiplier(8);
    multiplier = pat.getMultiplier();
    logln("Multiplier (should be 8): " + multiplier);
    if (multiplier != 8) {
        errln("ERROR: setMultiplier() failed");
    }
    int groupingSize = 0;
    pat.setGroupingSize(2);
    groupingSize = pat.getGroupingSize();
    logln("Grouping size (should be 2): " + (long) groupingSize);
    if (groupingSize != 2) {
        errln("ERROR: setGroupingSize() failed");
    }
    pat.setDecimalSeparatorAlwaysShown(true);
    boolean tf = pat.isDecimalSeparatorAlwaysShown();
    logln("DecimalSeparatorIsAlwaysShown (should be true) is " + (tf ? "true" : "false"));
    if (tf != true) {
        errln("ERROR: setDecimalSeparatorAlwaysShown() failed");
    }
    String funkyPat;
    funkyPat = pat.toPattern();
    logln("Pattern is " + funkyPat);
    String locPat;
    locPat = pat.toLocalizedPattern();
    logln("Localized pattern is " + locPat);
    // ======= Test applyPattern()
    logln("Testing applyPattern()");
    String p1 = new String("#,##0.0#;(#,##0.0#)");
    logln("Applying pattern " + p1);
    pat.applyPattern(p1);
    String s2;
    s2 = pat.toPattern();
    logln("Extracted pattern is " + s2);
    if (!s2.equals(p1)) {
        errln("ERROR: toPattern() result did not match pattern applied");
    }
    String p2 = new String("#,##0.0# FF;(#,##0.0# FF)");
    logln("Applying pattern " + p2);
    pat.applyLocalizedPattern(p2);
    String s3;
    s3 = pat.toLocalizedPattern();
    logln("Extracted pattern is " + s3);
    if (!s3.equals(p2)) {
        errln("ERROR: toLocalizedPattern() result did not match pattern applied");
    }
}