/*
 *******************************************************************************
 * Copyright (C) 2001-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 */

/**
 * Port From:   ICU4C v1.8.1 : format : NumberFormatTest
 * Source File: $ICU4CRoot/source/test/intltest/numfmtst.cpp
 **/

package com.ibm.icu.dev.test.format;

import java.math.BigInteger;
import java.text.FieldPosition;
import java.text.ParseException;
import java.text.ParsePosition;
import java.util.ArrayList;
import java.util.Locale;
import java.util.Set;

import com.ibm.icu.dev.test.TestUtil;
import com.ibm.icu.impl.LocaleUtility;
import com.ibm.icu.impl.Utility;
import com.ibm.icu.impl.data.ResourceReader;
import com.ibm.icu.impl.data.TokenIterator;
import com.ibm.icu.math.BigDecimal;
import com.ibm.icu.math.MathContext;
import com.ibm.icu.text.DecimalFormat;
import com.ibm.icu.text.DecimalFormatSymbols;
import com.ibm.icu.text.MeasureFormat;
import com.ibm.icu.text.NumberFormat;
import com.ibm.icu.text.NumberFormat.NumberFormatFactory;
import com.ibm.icu.text.NumberFormat.SimpleNumberFormatFactory;
import com.ibm.icu.util.Currency;
import com.ibm.icu.util.CurrencyAmount;
import com.ibm.icu.util.ULocale;

public class NumberFormatTest extends com.ibm.icu.dev.test.TestFmwk {

    public static void main(String[] args) throws Exception {
        new NumberFormatTest().run(args);
    }

    // Test various patterns
    public void TestPatterns() {

        DecimalFormatSymbols sym = new DecimalFormatSymbols(Locale.US);
        final String pat[]    = { "#.#", "#.", ".#", "#" };
        int pat_length = pat.length;
        final String newpat[] = { "#0.#", "#0.", "#.0", "#" };
        final String num[]    = { "0",   "0.", ".0", "0" };
        for (int i=0; i<pat_length; ++i)
        {
            DecimalFormat fmt = new DecimalFormat(pat[i], sym);
            String newp = fmt.toPattern();
            if (!newp.equals(newpat[i]))
                errln("FAIL: Pattern " + pat[i] + " should transmute to " + newpat[i] +
                      "; " + newp + " seen instead");

            String s = ((NumberFormat)fmt).format(0);
            if (!s.equals(num[i]))
            {
                errln("FAIL: Pattern " + pat[i] + " should format zero as " + num[i] +
                      "; " + s + " seen instead");
                logln("Min integer digits = " + fmt.getMinimumIntegerDigits());
            }
            // BigInteger 0 - ticket#4731
            s = ((NumberFormat)fmt).format(BigInteger.ZERO);
            if (!s.equals(num[i]))
            {
                errln("FAIL: Pattern " + pat[i] + " should format BigInteger zero as " + num[i] +
                      "; " + s + " seen instead");
                logln("Min integer digits = " + fmt.getMinimumIntegerDigits());
            }
        }
    }

    // Test exponential pattern
    public void TestExponential() {

        DecimalFormatSymbols sym = new DecimalFormatSymbols(Locale.US);
        final String pat[] = { "0.####E0", "00.000E00", "##0.######E000", "0.###E0;[0.###E0]" };
        int pat_length = pat.length;

        double val[] = { 0.01234, 123456789, 1.23e300, -3.141592653e-271 };
        int val_length = val.length;
        final String valFormat[] = {
            // 0.####E0
            "1.234E-2", "1.2346E8", "1.23E300", "-3.1416E-271",
            // 00.000E00
            "12.340E-03", "12.346E07", "12.300E299", "-31.416E-272",
            // ##0.######E000
            "12.34E-003", "123.4568E006", "1.23E300", "-314.1593E-273",
            // 0.###E0;[0.###E0]
            "1.234E-2", "1.235E8", "1.23E300", "[3.142E-271]" };
        /*double valParse[] =
            {
                0.01234, 123460000, 1.23E300, -3.1416E-271,
                0.01234, 123460000, 1.23E300, -3.1416E-271,
                0.01234, 123456800, 1.23E300, -3.141593E-271,
                0.01234, 123500000, 1.23E300, -3.142E-271,
            };*/ //The variable is never used

        int lval[] = { 0, -1, 1, 123456789 };
        int lval_length = lval.length;
        final String lvalFormat[] = {
            // 0.####E0
            "0E0", "-1E0", "1E0", "1.2346E8",
            // 00.000E00
            "00.000E00", "-10.000E-01", "10.000E-01", "12.346E07",
            // ##0.######E000
            "0E000", "-1E000", "1E000", "123.4568E006",
            // 0.###E0;[0.###E0]
            "0E0", "[1E0]", "1E0", "1.235E8" };
        int lvalParse[] =
            {
                0, -1, 1, 123460000,
                0, -1, 1, 123460000,
                0, -1, 1, 123456800,
                0, -1, 1, 123500000,
            };
        int ival = 0, ilval = 0;
        for (int p = 0; p < pat_length; ++p) {
            DecimalFormat fmt = new DecimalFormat(pat[p], sym);
            logln("Pattern \"" + pat[p] + "\" -toPattern-> \"" + fmt.toPattern() + "\"");
            int v;
            for (v = 0; v < val_length; ++v) {
                String s;
                s = ((NumberFormat) fmt).format(val[v]);
                logln(" " + val[v] + " -format-> " + s);
                if (!s.equals(valFormat[v + ival]))
                    errln("FAIL: Expected " + valFormat[v + ival]);

                ParsePosition pos = new ParsePosition(0);
                double a = fmt.parse(s, pos).doubleValue();
                if (pos.getIndex() == s.length()) {
                    logln("  -parse-> " + Double.toString(a));
                    // Use epsilon comparison as necessary
                } else
                    errln("FAIL: Partial parse (" + pos.getIndex() + " chars) -> " + a);
            }
            for (v = 0; v < lval_length; ++v) {
                String s;
                s = ((NumberFormat) fmt).format(lval[v]);
                logln(" " + lval[v] + "L -format-> " + s);
                if (!s.equals(lvalFormat[v + ilval]))
                    errln("ERROR: Expected " + lvalFormat[v + ilval] + " Got: " + s);

                ParsePosition pos = new ParsePosition(0);
                long a = 0;
                Number A = fmt.parse(s, pos);
                if (A != null) {
                    a = A.longValue();
                    if (pos.getIndex() == s.length()) {
                        logln("  -parse-> " + a);
                        if (a != lvalParse[v + ilval])
                            errln("FAIL: Expected " + lvalParse[v + ilval]);
                    } else
                        errln("FAIL: Partial parse (" + pos.getIndex() + " chars) -> " + Long.toString(a));
                } else {
                    errln("Fail to parse the string: " + s);
                }
            }
            ival += val_length;
            ilval += lval_length;
        }
    }

    // Test the handling of quotes
    public void TestQuotes() {

        StringBuffer pat;
        DecimalFormatSymbols sym = new DecimalFormatSymbols(Locale.US);
        pat = new StringBuffer("a'fo''o'b#");
        DecimalFormat fmt = new DecimalFormat(pat.toString(), sym);
        String s = ((NumberFormat)fmt).format(123);
        logln("Pattern \"" + pat + "\"");
        logln(" Format 123 . " + s);
        if (!s.equals("afo'ob123"))
            errln("FAIL: Expected afo'ob123");

        s ="";
        pat = new StringBuffer("a''b#");
        fmt = new DecimalFormat(pat.toString(), sym);
        s = ((NumberFormat)fmt).format(123);
        logln("Pattern \"" + pat + "\"");
        logln(" Format 123 . " + s);
        if (!s.equals("a'b123"))
            errln("FAIL: Expected a'b123");
    }

    public void TestParseCurrencyTrailingSymbol() {
        // see sun bug 4709840
        NumberFormat fmt = NumberFormat.getCurrencyInstance(Locale.GERMANY);
        float val = 12345.67f;
        String str = fmt.format(val);
        logln("val: " + val + " str: " + str);
        try {
            Number num = fmt.parse(str);
            logln("num: " + num);
        } catch (ParseException e) {
            errln("parse of '" + str + "' threw exception: " + e);
        }
    }

    /**
     * Test the handling of the currency symbol in patterns.
     **/
    public void TestCurrencySign() {
        DecimalFormatSymbols sym = new DecimalFormatSymbols(Locale.US);
        StringBuffer pat = new StringBuffer("");
        char currency = 0x00A4;
        // "\xA4#,##0.00;-\xA4#,##0.00"
        pat.append(currency).append("#,##0.00;-").append(currency).append("#,##0.00");
        DecimalFormat fmt = new DecimalFormat(pat.toString(), sym);
        String s = ((NumberFormat) fmt).format(1234.56);
        pat = new StringBuffer();
        logln("Pattern \"" + fmt.toPattern() + "\"");
        logln(" Format " + 1234.56 + " . " + s);
        assertEquals("symbol, pos", "$1,234.56", s);
        
        s = ((NumberFormat) fmt).format(-1234.56);
        logln(" Format " + Double.toString(-1234.56) + " . " + s);
        assertEquals("symbol, neg", "-$1,234.56", s);

        pat.setLength(0);
        // "\xA4\xA4 #,##0.00;\xA4\xA4 -#,##0.00"
        pat.append(currency).append(currency).append(" #,##0.00;").append(currency).append(currency).append(" -#,##0.00");
        fmt = new DecimalFormat(pat.toString(), sym);
        s = ((NumberFormat) fmt).format(1234.56);
        logln("Pattern \"" + fmt.toPattern() + "\"");
        logln(" Format " + Double.toString(1234.56) + " . " + s);
        assertEquals("name, pos", "USD 1,234.56", s);
        
        s = ((NumberFormat) fmt).format(-1234.56);
        logln(" Format " + Double.toString(-1234.56) + " . " + s);
        assertEquals("name, neg", "USD -1,234.56", s);
    }

    public void TestSpaceParsing() {
        // the data are:
        // the string to be parsed, parsed position, parsed error index
        String[][] DATA = {
            {"$124", "4", "-1"},
            {"$124 $124", "4", "-1"},
            {"$124 ", "4", "-1"},
            {"$ 124 ", "5", "-1"},
            {"$\u00A0124 ", "5", "-1"},
            {" $ 124 ", "0", "0"}, // TODO: need to handle space correctly
            {"124$", "0", "3"}, // TODO: need to handle space correctly
            // {"124 $", "5", "-1"}, TODO: OK or NOT?
            {"124 $", "0", "3"}, 
        };
        NumberFormat foo = NumberFormat.getCurrencyInstance();
        for (int i = 0; i < DATA.length; ++i) {
          ParsePosition parsePosition = new ParsePosition(0);
          String stringToBeParsed = DATA[i][0];
          int parsedPosition = Integer.parseInt(DATA[i][1]);
          int errorIndex = Integer.parseInt(DATA[i][2]);
          try {
            Number result = foo.parse(stringToBeParsed, parsePosition);
            if (parsePosition.getIndex() != parsedPosition ||
                parsePosition.getErrorIndex() != errorIndex) {
                errln("FAILED parse " + stringToBeParsed + "; parse position: " + parsePosition.getIndex() + "; error position: " + parsePosition.getErrorIndex());
            }
            if (parsePosition.getErrorIndex() == -1 &&
                result.doubleValue() != 124) {
                errln("FAILED parse " + stringToBeParsed + "; value " + result.doubleValue());
            }
          } catch (Exception e) {
              errln("FAILED " + e.toString());
          }
        }
    }


    public void TestMultiCurrencySign() {
        String[][] DATA = {
            // the fields in the following test are:
            // locale, 
            // currency pattern (with negative pattern), 
            // currency number to be formatted,
            // currency format using currency symbol name, such as "$" for USD,
            // currency format using currency ISO name, such as "USD",
            // currency format using plural name, such as "US dollars".
            // for US locale
            {"en_US", "\u00A4#,##0.00;-\u00A4#,##0.00", "1234.56", "$1,234.56", "USD1,234.56", "US dollars1,234.56"}, 
            {"en_US", "\u00A4#,##0.00;-\u00A4#,##0.00", "-1234.56", "-$1,234.56", "-USD1,234.56", "-US dollars1,234.56"}, 
            {"en_US", "\u00A4#,##0.00;-\u00A4#,##0.00", "1", "$1.00", "USD1.00", "US dollar1.00"}, 
            // for CHINA locale
            {"zh_CN", "\u00A4#,##0.00;(\u00A4#,##0.00)", "1234.56", "\uFFE51,234.56", "CNY1,234.56", "\u4EBA\u6C11\u5E011,234.56"},
            {"zh_CN", "\u00A4#,##0.00;(\u00A4#,##0.00)", "-1234.56", "(\uFFE51,234.56)", "(CNY1,234.56)", "(\u4EBA\u6C11\u5E011,234.56)"},
            {"zh_CN", "\u00A4#,##0.00;(\u00A4#,##0.00)", "1", "\uFFE51.00", "CNY1.00", "\u4EBA\u6C11\u5E011.00"}
        };

        String doubleCurrencyStr = "\u00A4\u00A4";
        String tripleCurrencyStr = "\u00A4\u00A4\u00A4";

        for (int i=0; i<DATA.length; ++i) {
            String locale = DATA[i][0];
            String pat = DATA[i][1];
            Double numberToBeFormat = new Double(DATA[i][2]);
            DecimalFormatSymbols sym = new DecimalFormatSymbols(new ULocale(locale));
            for (int j=1; j<=3; ++j) {
                // j represents the number of currency sign in the pattern.
                if (j == 2) {
                    pat = pat.replaceAll("\u00A4", doubleCurrencyStr);
                } else if (j == 3) {
                    pat = pat.replaceAll("\u00A4\u00A4", tripleCurrencyStr);
                }
                DecimalFormat fmt = new DecimalFormat(pat, sym);
                String s = ((NumberFormat) fmt).format(numberToBeFormat);
                // DATA[i][3] is the currency format result using a
                // single currency sign.
                // DATA[i][4] is the currency format result using
                // double currency sign.
                // DATA[i][5] is the currency format result using
                // triple currency sign.
                // DATA[i][j+2] is the currency format result using
                // 'j' number of currency sign.
                String currencyFormatResult = DATA[i][2+j];
                if (!s.equals(currencyFormatResult)) {
                    errln("FAIL format: Expected " + currencyFormatResult);
                }
                try {
                    // mix style parsing
                    for (int k=3; k<=5; ++k) {
                      // DATA[i][3] is the currency format result using a
                      // single currency sign.
                      // DATA[i][4] is the currency format result using
                      // double currency sign.
                      // DATA[i][5] is the currency format result using
                      // triple currency sign.
                      String oneCurrencyFormat = DATA[i][k];
                      if (fmt.parse(oneCurrencyFormat).doubleValue() != 
                          numberToBeFormat.doubleValue()) {
                        errln("FAILED parse " + oneCurrencyFormat);
                      }
                    }
                } catch (ParseException e) {
                    errln("FAILED, DecimalFormat parse currency: " + e.toString());
                }
            }
        }
    }

    public void TestCurrencyFormatForMixParsing() {
        MeasureFormat curFmt = MeasureFormat.getCurrencyFormat(new ULocale("en_US"));
        String[] formats = {
            "$1,234.56",  // string to be parsed
            "USD1,234.56",
            "US dollars1,234.56",
            "1,234.56 US dollars"
        };
        try {
          for (int i = 0; i < formats.length; ++i) {
            String stringToBeParsed = formats[i];
            CurrencyAmount parsedVal = (CurrencyAmount)curFmt.parseObject(stringToBeParsed);
            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("parse FAILED: " + e.toString());
        }
    }

    public void TestDecimalFormatCurrencyParse() {
        // Locale.US
        DecimalFormatSymbols sym = new DecimalFormatSymbols(Locale.US);
        StringBuffer pat = new StringBuffer("");
        char currency = 0x00A4;
        // "\xA4#,##0.00;-\xA4#,##0.00"
        pat.append(currency).append(currency).append(currency).append("#,##0.00;-").append(currency).append(currency).append(currency).append("#,##0.00");
        DecimalFormat fmt = new DecimalFormat(pat.toString(), sym);
        String[][] DATA = {
            // the data are:
            // string to be parsed, the parsed result (number)
            {"$1.00", "1"},    
            {"USD1.00", "1"},    
            {"1.00 US dollar", "1"},    
            {"$1,234.56", "1234.56"},    
            {"USD1,234.56", "1234.56"},    
            {"1,234.56 US dollar", "1234.56"},    
        };
        try {
            for (int i = 0; i < DATA.length; ++i) {
                String stringToBeParsed = DATA[i][0];
                double parsedResult = Double.parseDouble(DATA[i][1]);
                Number num = fmt.parse(stringToBeParsed);
                if (num.doubleValue() != parsedResult) {
                    errln("FAIL parse: Expected " + parsedResult);
                }
            }
        } catch (ParseException e) {
            errln("FAILED, DecimalFormat parse currency: " + e.toString());
        }
    } 

    /**
     * Test localized currency patterns.
     */
    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);
            logln("CurrencyAmount object's hashCode is: " + cAmt.hashCode()); //cover 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);
    }

    public void TestCurrencyIsoPluralFormat() {
        String[][] DATA = {
            // the data are:
            // locale, 
            // currency amount to be formatted,
            // currency ISO code to be formatted,
            // format result using CURRENCYSTYLE,
            // format result using ISOCURRENCYSTYLE,
            // format result using PLURALCURRENCYSTYLE,
            {"en_US", "1", "USD", "$1.00", "USD1.00", "1.00 US dollar"},
            {"en_US", "1234.56", "USD", "$1,234.56", "USD1,234.56", "1,234.56 US dollars"},
            {"en_US", "-1234.56", "USD", "($1,234.56)", "(USD1,234.56)", "-1,234.56 US dollars"},
            {"zh_CN", "1", "USD", "US$1.00", "USD1.00", "1.00 \u7F8E\u5143"}, 
            {"zh_CN", "1234.56", "USD", "US$1,234.56", "USD1,234.56", "1,234.56 \u7F8E\u5143"},
            //{"zh_CN", "1", "CHY", "CHY1.00", "CHY1.00", "1.00 CHY"},
            //{"zh_CN", "1234.56", "CHY", "CHY1,234.56", "CHY1,234.56", "1,234.56 CHY"},
            {"zh_CN", "1", "CNY", "\uFFE51.00", "CNY1.00", "1.00 \u4EBA\u6C11\u5E01"},
            {"zh_CN", "1234.56", "CNY", "\uFFE51,234.56", "CNY1,234.56", "1,234.56 \u4EBA\u6C11\u5E01"}, 
            {"ru_RU", "1", "RUB", "1,00\u00A0\u0440\u0443\u0431.", "1,00\u00A0RUB", "1,00 \u0420\u043E\u0441\u0441\u0438\u0439\u0441\u043A\u0438\u0439 \u0440\u0443\u0431\u043B\u044C"},
            {"ru_RU", "2", "RUB", "2,00\u00A0\u0440\u0443\u0431.", "2,00\u00A0RUB", "2,00 \u0420\u043E\u0441\u0441\u0438\u0439\u0441\u043A\u0438\u0445 \u0440\u0443\u0431\u043B\u044F"},
            {"ru_RU", "5", "RUB", "5,00\u00A0\u0440\u0443\u0431.", "5,00\u00A0RUB", "5,00 \u0420\u043E\u0441\u0441\u0438\u0439\u0441\u043A\u0438\u0445 \u0440\u0443\u0431\u043B\u0435\u0439"},
            // test locale without currency information
            {"root", "-1.23", "USD", "-US$\u00a01.23", "-USD\u00a01.23", "-1.23 USD"},
            // test choice format
            {"es_AR", "1", "INR", "Rs\u00A01,00", "INR\u00A01,00", "1,00 rupia india"},
            {"ar_EG", "1", "USD", "US$\u00A0\u0661\u066B\u0660\u0660", "USD\u00a0\u0661\u066b\u0660\u0660", "\u0661\u066b\u0660\u0660 \u062f\u0648\u0644\u0627\u0631 \u0623\u0645\u0631\u064a\u0643\u064a"},
        };
        
        for (int i=0; i<DATA.length; ++i) {
          for (int k = NumberFormat.CURRENCYSTYLE;
               k <= NumberFormat.PLURALCURRENCYSTYLE;
               ++k) {
            // k represents currency format style.
            if ( k != NumberFormat.CURRENCYSTYLE &&
                 k != NumberFormat.ISOCURRENCYSTYLE &&
                 k != NumberFormat.PLURALCURRENCYSTYLE ) {
                continue;
            }
            String localeString = DATA[i][0];
            Double numberToBeFormat = new Double(DATA[i][1]);
            String currencyISOCode = DATA[i][2];
            ULocale locale = new ULocale(localeString);
            NumberFormat numFmt = NumberFormat.getInstance(locale, k);
            numFmt.setCurrency(Currency.getInstance(currencyISOCode));
            String strBuf = numFmt.format(numberToBeFormat);
            int resultDataIndex = k-1;
            if ( k == NumberFormat.CURRENCYSTYLE ) {
                resultDataIndex = k+2;
            }
            // DATA[i][resultDataIndex] is the currency format result
            // using 'k' currency style.
            String formatResult = DATA[i][resultDataIndex];
            if (!strBuf.equals(formatResult)) {
                errln("FAIL: Expected " + formatResult + " actual: " + Utility.escape(strBuf));
            }
            try {
                // test parsing, and test parsing for all currency formats.
                for (int j = 3; j < 6; ++j) {
                    // DATA[i][3] is the currency format result using 
                    // CURRENCYSTYLE formatter.
                    // DATA[i][4] is the currency format result using
                    // ISOCURRENCYSTYLE formatter.
                    // DATA[i][5] is the currency format result using
                    // PLURALCURRENCYSTYLE formatter.
                    String oneCurrencyFormatResult = DATA[i][j];
                    Number val = numFmt.parse(oneCurrencyFormatResult);
                    if (val.doubleValue() != numberToBeFormat.doubleValue()) {
                        errln("FAIL: getCurrencyFormat of locale " + localeString + " failed roundtripping the number. val=" + val + "; expected: " + numberToBeFormat);
                    }
                }
            }
            catch (ParseException e) {
                errln("FAIL: " + e.getMessage());
            }
          }  
        }
    }


    public void TestMiscCurrencyParsing() {
        String[][] DATA = {
            // each has: string to be parsed, parsed position, error position
            {"1.00 ", "0", "4"},
            {"1.00 UAE dirha", "0", "4"},
            {"1.00 us dollar", "14", "-1"},
            {"1.00 US DOLLAR", "14", "-1"},
            {"1.00 usd", "0", "4"},
        };
        ULocale locale = new ULocale("en_US");
        for (int i=0; i<DATA.length; ++i) {
            String stringToBeParsed = DATA[i][0];
            int parsedPosition = Integer.parseInt(DATA[i][1]);
            int errorIndex = Integer.parseInt(DATA[i][2]);
            NumberFormat numFmt = NumberFormat.getInstance(locale, NumberFormat.CURRENCYSTYLE);
            ParsePosition parsePosition = new ParsePosition(0);
            Number val = numFmt.parse(stringToBeParsed, parsePosition);
            if (parsePosition.getIndex() != parsedPosition ||
                parsePosition.getErrorIndex() != errorIndex) {
                errln("FAIL: parse failed. expected error position: " + errorIndex + "; actual: " + parsePosition.getErrorIndex());
                errln("FAIL: parse failed. expected position: " + parsedPosition +"; actual: " + parsePosition.getIndex());
            }
            if (parsePosition.getErrorIndex() == -1 &&
                val.doubleValue() != 1.00) {
                errln("FAIL: parse failed. expected 1.00, actual:" + val);
            }
        }
    }


    /**
     * Test the Currency object handling, new as of ICU 2.2.
     */
    public void TestCurrencyObject() {
        NumberFormat fmt =
            NumberFormat.getCurrencyInstance(Locale.US);

        expectCurrency(fmt, null, 1234.56, "$1,234.56");

        expectCurrency(fmt, Currency.getInstance(Locale.FRANCE),
                       1234.56, "\u20AC1,234.56"); // Euro

        expectCurrency(fmt, Currency.getInstance(Locale.JAPAN),
                       1234.56, "\u00A51,235"); // Yen

        expectCurrency(fmt, Currency.getInstance(new Locale("fr", "CH", "")),
                       1234.56, "CHF1,234.55"); // 0.05 rounding

        expectCurrency(fmt, Currency.getInstance(Locale.US),
                       1234.56, "$1,234.56");

        fmt = NumberFormat.getCurrencyInstance(Locale.FRANCE);

        expectCurrency(fmt, null, 1234.56, "1 234,56 \u20AC");

        expectCurrency(fmt, Currency.getInstance(Locale.JAPAN),
                       1234.56, "1 235 \u00A5JP"); // Yen

        expectCurrency(fmt, Currency.getInstance(new Locale("fr", "CH", "")),
                       1234.56, "1 234,55 CHF"); // 0.25 rounding

        expectCurrency(fmt, Currency.getInstance(Locale.US),
                       1234.56, "1 234,56 $US");

        expectCurrency(fmt, Currency.getInstance(Locale.FRANCE),
                       1234.56, "1 234,56 \u20AC"); // Euro
    }

    public void TestCurrencyPatterns() {
        int i;
        Locale[] locs = NumberFormat.getAvailableLocales();
        for (i=0; i<locs.length; ++i) {
            NumberFormat nf = NumberFormat.getCurrencyInstance(locs[i]);
            // Make sure currency formats do not have a variable number
            // of fraction digits
            int min = nf.getMinimumFractionDigits();
            int max = nf.getMaximumFractionDigits();
            if (min != max) {
                String a = nf.format(1.0);
                String b = nf.format(1.125);
                errln("FAIL: " + locs[i] +
                      " min fraction digits != max fraction digits; "+
                      "x 1.0 => " + a +
                      "; x 1.125 => " + b);
            }

            // Make sure EURO currency formats have exactly 2 fraction digits
            if (nf instanceof DecimalFormat) {
                Currency curr = ((DecimalFormat) nf).getCurrency();
                if (curr != null && "EUR".equals(curr.getCurrencyCode())) {
                    if (min != 2 || max != 2) {
                        String a = nf.format(1.0);
                        errln("FAIL: " + locs[i] +
                              " is a EURO format but it does not have 2 fraction digits; "+
                              "x 1.0 => " +
                              a);
                    }
                }
            }
        }
    }

    /**
     * Do rudimentary testing of parsing.
     */
    public void TestParse() {
        String arg = "0.0";
        DecimalFormat format = new DecimalFormat("00");
        double aNumber = 0l;
        try {
            aNumber = format.parse(arg).doubleValue();
        } catch (ParseException e) {
            System.out.println(e);
        }
        logln("parse(" + arg + ") = " + aNumber);
    }

    /**
     * Test proper rounding by the format method.
     */
    public void TestRounding487() {

        NumberFormat nf = NumberFormat.getInstance();
        roundingTest(nf, 0.00159999, 4, "0.0016");
        roundingTest(nf, 0.00995, 4, "0.01");

        roundingTest(nf, 12.3995, 3, "12.4");

        roundingTest(nf, 12.4999, 0, "12");
        roundingTest(nf, - 19.5, 0, "-20");

    }

    /**
     * Test the functioning of the secondary grouping value.
     */
    public void TestSecondaryGrouping() {

        DecimalFormatSymbols US = new DecimalFormatSymbols(Locale.US);
        DecimalFormat f = new DecimalFormat("#,##,###", US);

        expect(f, 123456789L, "12,34,56,789");
        expectPat(f, "#,##,###");
        f.applyPattern("#,###");

        f.setSecondaryGroupingSize(4);
        expect(f, 123456789L, "12,3456,789");
        expectPat(f, "#,####,###");
        NumberFormat g = NumberFormat.getInstance(new Locale("hi", "IN"));

        String out = "";
        long l = 1876543210L;
        out = g.format(l);

        // expect "1,87,65,43,210", but with Hindi digits
        //         01234567890123
        boolean ok = true;
        if (out.length() != 14) {
            ok = false;
        } else {
            for (int i = 0; i < out.length(); ++i) {
                boolean expectGroup = false;
                switch (i) {
                    case 1 :
                    case 4 :
                    case 7 :
                    case 10 :
                        expectGroup = true;
                        break;
                }
                // Later -- fix this to get the actual grouping
                // character from the resource bundle.
                boolean isGroup = (out.charAt(i) == 0x002C);
                if (isGroup != expectGroup) {
                    ok = false;
                    break;
                }
            }
        }
        if (!ok) {
            errln("FAIL  Expected "+ l + " x hi_IN . \"1,87,65,43,210\" (with Hindi digits), got \""
                    + out + "\"");
        } else {
            logln("Ok    " + l + " x hi_IN . \"" + out + "\"");
        }
    }

    public void roundingTest(NumberFormat nf, double x, int maxFractionDigits, final String expected) {
        nf.setMaximumFractionDigits(maxFractionDigits);
        String out = nf.format(x);
        logln(x + " formats with " + maxFractionDigits + " fractional digits to " + out);
        if (!out.equals(expected))
            errln("FAIL: Expected " + expected);
    }

    /**
     * Upgrade to alphaWorks
     */
    public void TestExponent() {
        DecimalFormatSymbols US = new DecimalFormatSymbols(Locale.US);
        DecimalFormat fmt1 = new DecimalFormat("0.###E0", US);
        DecimalFormat fmt2 = new DecimalFormat("0.###E+0", US);
        int n = 1234;
        expect2(fmt1, n, "1.234E3");
        expect2(fmt2, n, "1.234E+3");
        expect(fmt1, "1.234E+3", n); // Either format should parse "E+3"

    }

    /**
     * Upgrade to alphaWorks
     */
    public void TestScientific() {

        DecimalFormatSymbols US = new DecimalFormatSymbols(Locale.US);

        // Test pattern round-trip
        final String PAT[] = { "#E0", "0.####E0", "00.000E00", "##0.####E000", "0.###E0;[0.###E0]" };
        int PAT_length = PAT.length;
        int DIGITS[] = {
            // min int, max int, min frac, max frac
            0, 1, 0, 0, // "#E0"
            1, 1, 0, 4, // "0.####E0"
            2, 2, 3, 3, // "00.000E00"
            1, 3, 0, 4, // "##0.####E000"
            1, 1, 0, 3, // "0.###E0;[0.###E0]"
        };
        for (int i = 0; i < PAT_length; ++i) {
            String pat = PAT[i];
            DecimalFormat df = new DecimalFormat(pat, US);
            String pat2 = df.toPattern();
            if (pat.equals(pat2)) {
                logln("Ok   Pattern rt \"" + pat + "\" . \"" + pat2 + "\"");
            } else {
                errln("FAIL Pattern rt \"" + pat + "\" . \"" + pat2 + "\"");
            }
            // Make sure digit counts match what we expect
            if (df.getMinimumIntegerDigits() != DIGITS[4 * i]
                || df.getMaximumIntegerDigits() != DIGITS[4 * i + 1]
                || df.getMinimumFractionDigits() != DIGITS[4 * i + 2]
                || df.getMaximumFractionDigits() != DIGITS[4 * i + 3]) {
                errln("FAIL \""+ pat+ "\" min/max int; min/max frac = "
                        + df.getMinimumIntegerDigits() + "/"
                        + df.getMaximumIntegerDigits() + ";"
                        + df.getMinimumFractionDigits() + "/"
                        + df.getMaximumFractionDigits() + ", expect "
                        + DIGITS[4 * i] + "/"
                        + DIGITS[4 * i + 1] + ";"
                        + DIGITS[4 * i + 2] + "/"
                        + DIGITS[4 * i + 3]);
            }
        }

        expect2(new DecimalFormat("#E0", US), 12345.0, "1.2345E4");
        expect(new DecimalFormat("0E0", US), 12345.0, "1E4");

        // pattern of NumberFormat.getScientificInstance(Locale.US) = "0.######E0" not "#E0"
        // so result = 1.234568E4 not 1.2345678901E4
        //when the pattern problem is finalized, delete comment mark'//'
        //of the following code
        expect2(NumberFormat.getScientificInstance(Locale.US), 12345.678901, "1.2345678901E4");
        logln("Testing NumberFormat.getScientificInstance(ULocale) ...");
        expect2(NumberFormat.getScientificInstance(ULocale.US), 12345.678901, "1.2345678901E4");

        expect(new DecimalFormat("##0.###E0", US), 12345.0, "12.34E3");
        expect(new DecimalFormat("##0.###E0", US), 12345.00001, "12.35E3");
        expect2(new DecimalFormat("##0.####E0", US), 12345, "12.345E3");

        // pattern of NumberFormat.getScientificInstance(Locale.US) = "0.######E0" not "#E0"
        // so result = 1.234568E4 not 1.2345678901E4
        expect2(NumberFormat.getScientificInstance(Locale.FRANCE), 12345.678901, "1,2345678901E4");
        logln("Testing NumberFormat.getScientificInstance(ULocale) ...");
        expect2(NumberFormat.getScientificInstance(ULocale.FRANCE), 12345.678901, "1,2345678901E4");

        expect(new DecimalFormat("##0.####E0", US), 789.12345e-9, "789.12E-9");
        expect2(new DecimalFormat("##0.####E0", US), 780.e-9, "780E-9");
        expect(new DecimalFormat(".###E0", US), 45678.0, ".457E5");
        expect2(new DecimalFormat(".###E0", US), 0, ".0E0");
        /*
        expect(new DecimalFormat[] { new DecimalFormat("#E0", US),
                                     new DecimalFormat("##E0", US),
                                     new DecimalFormat("####E0", US),
                                     new DecimalFormat("0E0", US),
                                     new DecimalFormat("00E0", US),
                                     new DecimalFormat("000E0", US),
                                   },
               new Long(45678000),
               new String[] { "4.5678E7",
                              "45.678E6",
                              "4567.8E4",
                              "5E7",
                              "46E6",
                              "457E5",
                            }
               );
        !
        ! Unroll this test into individual tests below...
        !
        */
        expect2(new DecimalFormat("#E0", US), 45678000, "4.5678E7");
        expect2(new DecimalFormat("##E0", US), 45678000, "45.678E6");
        expect2(new DecimalFormat("####E0", US), 45678000, "4567.8E4");
        expect(new DecimalFormat("0E0", US), 45678000, "5E7");
        expect(new DecimalFormat("00E0", US), 45678000, "46E6");
        expect(new DecimalFormat("000E0", US), 45678000, "457E5");
        /*
        expect(new DecimalFormat("###E0", US, status),
               new Object[] { new Double(0.0000123), "12.3E-6",
                              new Double(0.000123), "123E-6",
                              new Double(0.00123), "1.23E-3",
                              new Double(0.0123), "12.3E-3",
                              new Double(0.123), "123E-3",
                              new Double(1.23), "1.23E0",
                              new Double(12.3), "12.3E0",
                              new Double(123), "123E0",
                              new Double(1230), "1.23E3",
                             });
        !
        ! Unroll this test into individual tests below...
        !
        */
        expect2(new DecimalFormat("###E0", US), 0.0000123, "12.3E-6");
        expect2(new DecimalFormat("###E0", US), 0.000123, "123E-6");
        expect2(new DecimalFormat("###E0", US), 0.00123, "1.23E-3");
        expect2(new DecimalFormat("###E0", US), 0.0123, "12.3E-3");
        expect2(new DecimalFormat("###E0", US), 0.123, "123E-3");
        expect2(new DecimalFormat("###E0", US), 1.23, "1.23E0");
        expect2(new DecimalFormat("###E0", US), 12.3, "12.3E0");
        expect2(new DecimalFormat("###E0", US), 123.0, "123E0");
        expect2(new DecimalFormat("###E0", US), 1230.0, "1.23E3");
        /*
        expect(new DecimalFormat("0.#E+00", US, status),
               new Object[] { new Double(0.00012), "1.2E-04",
                              new Long(12000),     "1.2E+04",
                             });
        !
        ! Unroll this test into individual tests below...
        !
        */
        expect2(new DecimalFormat("0.#E+00", US), 0.00012, "1.2E-04");
        expect2(new DecimalFormat("0.#E+00", US), 12000, "1.2E+04");
    }

    /**
     * Upgrade to alphaWorks
     */
    public void TestPad() {

        DecimalFormatSymbols US = new DecimalFormatSymbols(Locale.US);
        expect2(new DecimalFormat("*^##.##", US), 0, "^^^^0");
        expect2(new DecimalFormat("*^##.##", US), -1.3, "^-1.3");
        expect2(
            new DecimalFormat("##0.0####E0*_ 'g-m/s^2'", US),
            0,
            "0.0E0______ g-m/s^2");
        expect(
            new DecimalFormat("##0.0####E0*_ 'g-m/s^2'", US),
            1.0 / 3,
            "333.333E-3_ g-m/s^2");
        expect2(new DecimalFormat("##0.0####*_ 'g-m/s^2'", US), 0, "0.0______ g-m/s^2");
        expect(
            new DecimalFormat("##0.0####*_ 'g-m/s^2'", US),
            1.0 / 3,
            "0.33333__ g-m/s^2");

        // Test padding before a sign
        final String formatStr = "*x#,###,###,##0.0#;*x(###,###,##0.0#)";
        expect2(new DecimalFormat(formatStr, US), -10, "xxxxxxxxxx(10.0)");
        expect2(new DecimalFormat(formatStr, US), -1000, "xxxxxxx(1,000.0)");
        expect2(new DecimalFormat(formatStr, US), -1000000, "xxx(1,000,000.0)");
        expect2(new DecimalFormat(formatStr, US), -100.37, "xxxxxxxx(100.37)");
        expect2(new DecimalFormat(formatStr, US), -10456.37, "xxxxx(10,456.37)");
        expect2(new DecimalFormat(formatStr, US), -1120456.37, "xx(1,120,456.37)");
        expect2(new DecimalFormat(formatStr, US), -112045600.37, "(112,045,600.37)");
        expect2(new DecimalFormat(formatStr, US), -1252045600.37, "(1,252,045,600.37)");

        expect2(new DecimalFormat(formatStr, US), 10, "xxxxxxxxxxxx10.0");
        expect2(new DecimalFormat(formatStr, US), 1000, "xxxxxxxxx1,000.0");
        expect2(new DecimalFormat(formatStr, US), 1000000, "xxxxx1,000,000.0");
        expect2(new DecimalFormat(formatStr, US), 100.37, "xxxxxxxxxx100.37");
        expect2(new DecimalFormat(formatStr, US), 10456.37, "xxxxxxx10,456.37");
        expect2(new DecimalFormat(formatStr, US), 1120456.37, "xxxx1,120,456.37");
        expect2(new DecimalFormat(formatStr, US), 112045600.37, "xx112,045,600.37");
        expect2(new DecimalFormat(formatStr, US), 10252045600.37, "10,252,045,600.37");

        // Test padding between a sign and a number
        final String formatStr2 = "#,###,###,##0.0#*x;(###,###,##0.0#*x)";
        expect2(new DecimalFormat(formatStr2, US), -10, "(10.0xxxxxxxxxx)");
        expect2(new DecimalFormat(formatStr2, US), -1000, "(1,000.0xxxxxxx)");
        expect2(new DecimalFormat(formatStr2, US), -1000000, "(1,000,000.0xxx)");
        expect2(new DecimalFormat(formatStr2, US), -100.37, "(100.37xxxxxxxx)");
        expect2(new DecimalFormat(formatStr2, US), -10456.37, "(10,456.37xxxxx)");
        expect2(new DecimalFormat(formatStr2, US), -1120456.37, "(1,120,456.37xx)");
        expect2(new DecimalFormat(formatStr2, US), -112045600.37, "(112,045,600.37)");
        expect2(new DecimalFormat(formatStr2, US), -1252045600.37, "(1,252,045,600.37)");

        expect2(new DecimalFormat(formatStr2, US), 10, "10.0xxxxxxxxxxxx");
        expect2(new DecimalFormat(formatStr2, US), 1000, "1,000.0xxxxxxxxx");
        expect2(new DecimalFormat(formatStr2, US), 1000000, "1,000,000.0xxxxx");
        expect2(new DecimalFormat(formatStr2, US), 100.37, "100.37xxxxxxxxxx");
        expect2(new DecimalFormat(formatStr2, US), 10456.37, "10,456.37xxxxxxx");
        expect2(new DecimalFormat(formatStr2, US), 1120456.37, "1,120,456.37xxxx");
        expect2(new DecimalFormat(formatStr2, US), 112045600.37, "112,045,600.37xx");
        expect2(new DecimalFormat(formatStr2, US), 10252045600.37, "10,252,045,600.37");

        //testing the setPadCharacter(UnicodeString) and getPadCharacterString()
        DecimalFormat fmt = new DecimalFormat("#", US);
        char padString = 'P';
        fmt.setPadCharacter(padString);
        expectPad(fmt, "*P##.##", DecimalFormat.PAD_BEFORE_PREFIX, 5, padString);
        fmt.setPadCharacter('^');
        expectPad(fmt, "*^#", DecimalFormat.PAD_BEFORE_PREFIX, 1, '^');
        //commented untill implementation is complete
        /*  fmt.setPadCharacter((UnicodeString)"^^^");
          expectPad(fmt, "*^^^#", DecimalFormat.kPadBeforePrefix, 3, (UnicodeString)"^^^");
          padString.remove();
          padString.append((UChar)0x0061);
          padString.append((UChar)0x0302);
          fmt.setPadCharacter(padString);
          UChar patternChars[]={0x002a, 0x0061, 0x0302, 0x0061, 0x0302, 0x0023, 0x0000};
          UnicodeString pattern(patternChars);
          expectPad(fmt, pattern , DecimalFormat.kPadBeforePrefix, 4, padString);
          */
    }

    /**
     * Upgrade to alphaWorks
     */
    public void TestPatterns2() {
        DecimalFormatSymbols US = new DecimalFormatSymbols(Locale.US);
        DecimalFormat fmt = new DecimalFormat("#", US);

        char hat = 0x005E; /*^*/

        expectPad(fmt, "*^#", DecimalFormat.PAD_BEFORE_PREFIX, 1, hat);
        expectPad(fmt, "$*^#", DecimalFormat.PAD_AFTER_PREFIX, 2, hat);
        expectPad(fmt, "#*^", DecimalFormat.PAD_BEFORE_SUFFIX, 1, hat);
        expectPad(fmt, "#$*^", DecimalFormat.PAD_AFTER_SUFFIX, 2, hat);
        expectPad(fmt, "$*^$#", -1);
        expectPad(fmt, "#$*^$", -1);
        expectPad(fmt, "'pre'#,##0*x'post'", DecimalFormat.PAD_BEFORE_SUFFIX, 12, (char) 0x0078 /*x*/);
        expectPad(fmt, "''#0*x", DecimalFormat.PAD_BEFORE_SUFFIX, 3, (char) 0x0078 /*x*/);
        expectPad(fmt, "'I''ll'*a###.##", DecimalFormat.PAD_AFTER_PREFIX, 10, (char) 0x0061 /*a*/);

        fmt.applyPattern("AA#,##0.00ZZ");
        fmt.setPadCharacter(hat);

        fmt.setFormatWidth(10);

        fmt.setPadPosition(DecimalFormat.PAD_BEFORE_PREFIX);
        expectPat(fmt, "*^AA#,##0.00ZZ");

        fmt.setPadPosition(DecimalFormat.PAD_BEFORE_SUFFIX);
        expectPat(fmt, "AA#,##0.00*^ZZ");

        fmt.setPadPosition(DecimalFormat.PAD_AFTER_SUFFIX);
        expectPat(fmt, "AA#,##0.00ZZ*^");

        //            12  3456789012
        String exp = "AA*^#,##0.00ZZ";
        fmt.setFormatWidth(12);
        fmt.setPadPosition(DecimalFormat.PAD_AFTER_PREFIX);
        expectPat(fmt, exp);

        fmt.setFormatWidth(13);
        //              12  34567890123
        expectPat(fmt, "AA*^##,##0.00ZZ");

        fmt.setFormatWidth(14);
        //              12  345678901234
        expectPat(fmt, "AA*^###,##0.00ZZ");

        fmt.setFormatWidth(15);
        //              12  3456789012345
        expectPat(fmt, "AA*^####,##0.00ZZ"); // This is the interesting case

        fmt.setFormatWidth(16);
        //              12  34567890123456
        expectPat(fmt, "AA*^#,###,##0.00ZZ");
    }

    public void TestRegistration() {
        final ULocale SRC_LOC = ULocale.FRANCE;
        final ULocale SWAP_LOC = ULocale.US;

        class TestFactory extends SimpleNumberFormatFactory {
            NumberFormat currencyStyle;

            TestFactory() {
                super(SRC_LOC, true);
                currencyStyle = NumberFormat.getIntegerInstance(SWAP_LOC);
            }

            public NumberFormat createFormat(ULocale loc, int formatType) {
                if (formatType == FORMAT_CURRENCY) {
                    return currencyStyle;
                }
                return null;
            }
        }

        NumberFormat f0 = NumberFormat.getIntegerInstance(SWAP_LOC);
        NumberFormat f1 = NumberFormat.getIntegerInstance(SRC_LOC);
        NumberFormat f2 = NumberFormat.getCurrencyInstance(SRC_LOC);
        Object key = NumberFormat.registerFactory(new TestFactory());
        NumberFormat f3 = NumberFormat.getCurrencyInstance(SRC_LOC);
        NumberFormat f4 = NumberFormat.getIntegerInstance(SRC_LOC);
        NumberFormat.unregister(key); // restore for other tests
        NumberFormat f5 = NumberFormat.getCurrencyInstance(SRC_LOC);

        float n = 1234.567f;
        logln("f0 swap int: " + f0.format(n));
        logln("f1 src int: " + f1.format(n));
        logln("f2 src cur: " + f2.format(n));
        logln("f3 reg cur: " + f3.format(n));
        logln("f4 reg int: " + f4.format(n));
        logln("f5 unreg cur: " + f5.format(n));

        if (!f3.format(n).equals(f0.format(n))) {
            errln("registered service did not match");
        }
        if (!f4.format(n).equals(f1.format(n))) {
            errln("registered service did not inherit");
        }
        if (!f5.format(n).equals(f2.format(n))) {
            errln("unregistered service did not match original");
        }
    }

    public void TestScientific2() {
        // jb 2552
        DecimalFormat fmt = (DecimalFormat)NumberFormat.getCurrencyInstance();
        Number num = new Double(12.34);
        expect(fmt, num, "$12.34");
        fmt.setScientificNotation(true);
        expect(fmt, num, "$1.23E1");
        fmt.setScientificNotation(false);
        expect(fmt, num, "$12.34");
    }

    public void TestScientificGrouping() {
        // jb 2552
        DecimalFormat fmt = new DecimalFormat("###.##E0");
        expect(fmt, .01234, "12.3E-3");
        expect(fmt, .1234, "123E-3");
        expect(fmt, 1.234, "1.23E0");
        expect(fmt, 12.34, "12.3E0");
        expect(fmt, 123.4, "123E0");
        expect(fmt, 1234, "1.23E3");
    }

    // additional coverage tests

    // sigh, can't have static inner classes, why not?

    static final class PI extends Number {
        /**
         * For serialization
         */
        private static final long serialVersionUID = -305601227915602172L;

        private PI() {}
        public int intValue() { return (int)Math.PI; }
        public long longValue() { return (long)Math.PI; }
        public float  floatValue() { return (float)Math.PI; }
        public double doubleValue() { return (double)Math.PI; }
        public byte byteValue() { return (byte)Math.PI; }
        public short shortValue() { return (short)Math.PI; }

        public static final Number INSTANCE = new PI();
    }

    public void TestCoverage() {
        NumberFormat fmt = NumberFormat.getNumberInstance(); // default locale
        logln(fmt.format(new BigInteger("1234567890987654321234567890987654321", 10)));

        fmt = NumberFormat.getScientificInstance(); // default locale

        logln(fmt.format(PI.INSTANCE));

        try {
            logln(fmt.format("12345"));
            errln("numberformat of string did not throw exception");
        }
        catch (Exception e) {
            logln("PASS: numberformat of string failed as expected");
        }

        int hash = fmt.hashCode();
        logln("hash code " + hash);

        logln("compare to string returns: " + fmt.equals(""));

        // For ICU 2.6 - alan
        DecimalFormatSymbols US = new DecimalFormatSymbols(Locale.US);
        DecimalFormat df = new DecimalFormat("'*&'' '\u00A4' ''&*' #,##0.00", US);
        df.setCurrency(Currency.getInstance("INR"));
        expect2(df, 1.0, "*&' Rs '&* 1.00");
        expect2(df, -2.0, "-*&' Rs '&* 2.00");
        df.applyPattern("#,##0.00 '*&'' '\u00A4' ''&*'");
        expect2(df, 2.0, "2.00 *&' Rs '&*");
        expect2(df, -1.0, "-1.00 *&' Rs '&*");

        java.math.BigDecimal r = df.getRoundingIncrement();
        if (r != null) {
            errln("FAIL: rounding = " + r + ", expect null");
        }

        if (df.isScientificNotation()) {
            errln("FAIL: isScientificNotation = true, expect false");
        }

        df.applyPattern("0.00000");
        df.setScientificNotation(true);
        if (!df.isScientificNotation()) {
            errln("FAIL: isScientificNotation = false, expect true");
        }
        df.setMinimumExponentDigits((byte)2);
        if (df.getMinimumExponentDigits() != 2) {
            errln("FAIL: getMinimumExponentDigits = " +
                  df.getMinimumExponentDigits() + ", expect 2");
        }
        df.setExponentSignAlwaysShown(true);
        if (!df.isExponentSignAlwaysShown()) {
            errln("FAIL: isExponentSignAlwaysShown = false, expect true");
        }
        df.setSecondaryGroupingSize(0);
        if (df.getSecondaryGroupingSize() != 0) {
            errln("FAIL: getSecondaryGroupingSize = " +
                  df.getSecondaryGroupingSize() + ", expect 0");
        }
        expect2(df, 3.14159, "3.14159E+00");

        // DecimalFormatSymbols#getInstance
        DecimalFormatSymbols decsym1 = DecimalFormatSymbols.getInstance();
        DecimalFormatSymbols decsym2 = new DecimalFormatSymbols();
        if (!decsym1.equals(decsym2)) {
            errln("FAIL: DecimalFormatSymbols returned by getInstance()" +
            "does not match new DecimalFormatSymbols().");
        }
        decsym1 = DecimalFormatSymbols.getInstance(Locale.JAPAN);
        decsym2 = DecimalFormatSymbols.getInstance(ULocale.JAPAN);
        if (!decsym1.equals(decsym2)) {
            errln("FAIL: DecimalFormatSymbols returned by getInstance(Locale.JAPAN)" +
            "does not match the one returned by getInstance(ULocale.JAPAN).");
        }

        // DecimalFormatSymbols#getAvailableLocales/#getAvailableULocales
        Locale[] allLocales = DecimalFormatSymbols.getAvailableLocales();
        if (allLocales.length == 0) {
            errln("FAIL: Got a empty list for DecimalFormatSymbols.getAvailableLocales");
        } else {
            logln("PASS: " + allLocales.length +
                    " available locales returned by DecimalFormatSymbols.getAvailableLocales");
        }
        ULocale[] allULocales = DecimalFormatSymbols.getAvailableULocales();
        if (allULocales.length == 0) {
            errln("FAIL: Got a empty list for DecimalFormatSymbols.getAvailableLocales");
        } else {
            logln("PASS: " + allULocales.length +
                    " available locales returned by DecimalFormatSymbols.getAvailableULocales");
        }
    }

    public void TestWhiteSpaceParsing() {
        DecimalFormatSymbols US = new DecimalFormatSymbols(Locale.US);
        DecimalFormat fmt = new DecimalFormat("a  b#0c  ", US);
        int n = 1234;
        expect(fmt, "a b1234c ", n);
        expect(fmt, "a   b1234c   ", n);
    }

    /**
     * Test currencies whose display name is a ChoiceFormat.
     */
    public void TestComplexCurrency() {
//  CLDR No Longer uses complex currency symbols.
//  Skipping this test.
//        Locale loc = new Locale("kn", "IN", "");
//        NumberFormat fmt = NumberFormat.getCurrencyInstance(loc);

//        expect2(fmt, 1.0, "Re.\u00a01.00");
//        expect(fmt, 1.001, "Re.\u00a01.00"); // tricky
//        expect2(fmt, 12345678.0, "Rs.\u00a01,23,45,678.00");
//        expect2(fmt, 0.5, "Rs.\u00a00.50");
//        expect2(fmt, -1.0, "-Re.\u00a01.00");
//        expect2(fmt, -10.0, "-Rs.\u00a010.00");
    }

    public void TestCurrencyKeyword() {
    ULocale locale = new ULocale("th_TH@currency=QQQ");
    NumberFormat format = NumberFormat.getCurrencyInstance(locale);
    String result = format.format(12.34f);
    if (!"QQQ12.34".equals(result)) {
        errln("got unexpected currency: " + result);
    }
    }

    /**
     * Test alternate numbering systems
     */
    public void TestNumberingSystems() {

        ULocale loc1 = new ULocale("en_US@numbers=thai");
        ULocale loc2 = new ULocale("en_US@numbers=hebr");
        ULocale loc3 = new ULocale("en_US@numbers=arabext");
        ULocale loc4 = new ULocale("hi_IN@numbers=foobar");
        ULocale loc5 = new ULocale("ar_EG"); // ar_EG uses arab numbering system
        ULocale loc6 = new ULocale("ar_MA"); // ar_MA users latn numbering system
        ULocale loc7 = new ULocale("en_US@numbers=hanidec"); // hanidec is a non-contiguous ns
        
        NumberFormat fmt1 = NumberFormat.getInstance(loc1);
        NumberFormat fmt2 = NumberFormat.getInstance(loc2);
        NumberFormat fmt3 = NumberFormat.getInstance(loc3);
        NumberFormat fmt4 = NumberFormat.getInstance(loc4);
        NumberFormat fmt5 = NumberFormat.getInstance(loc5);
        NumberFormat fmt6 = NumberFormat.getInstance(loc6);
        NumberFormat fmt7 = NumberFormat.getInstance(loc7);
        
        expect2(fmt1,1234.567,"\u0e51,\u0e52\u0e53\u0e54.\u0e55\u0e56\u0e57");
        expect3(fmt2,5678.0,"\u05d4\u05f3\u05ea\u05e8\u05e2\u05f4\u05d7");
        expect2(fmt3,1234.567,"\u06f1,\u06f2\u06f3\u06f4.\u06f5\u06f6\u06f7");
        expect2(fmt4,1234.567,"\u0967,\u0968\u0969\u096a.\u096b\u096c\u096d");
        expect2(fmt5,1234.567,"\u0661\u066c\u0662\u0663\u0664\u066b\u0665\u0666\u0667");
        expect2(fmt6,1234.567,"1.234,567");
        expect2(fmt7,1234.567, "\u4e00,\u4e8c\u4e09\u56db.\u4e94\u516d\u4e03");

    }

    public void Test6816() {
        Currency cur1 = Currency.getInstance(new Locale("und", "PH"));

        NumberFormat nfmt = NumberFormat.getCurrencyInstance(new Locale("und", "PH"));
        DecimalFormatSymbols decsym = ((DecimalFormat)nfmt).getDecimalFormatSymbols();
        Currency cur2 = decsym.getCurrency();
        
        if ( !cur1.getCurrencyCode().equals("PHP") || !cur2.getCurrencyCode().equals("PHP")) {
            errln("FAIL: Currencies should match PHP: cur1 = "+cur1.getCurrencyCode()+"; cur2 = "+cur2.getCurrencyCode());
        }

    }
    
    public void TestThreadedFormat() {

        class FormatTask implements Runnable {
            DecimalFormat fmt;
            StringBuffer buf;
            boolean inc;
            float num;

            FormatTask(DecimalFormat fmt, int index) {
                this.fmt = fmt;
                this.buf = new StringBuffer();
                this.inc = (index & 0x1) == 0;
                this.num = inc ? 0 : 10000;
            }

            public void run() {
        if (inc) {
            while (num < 10000) {
            buf.append(fmt.format(num) + "\n");
            num += 3.14159;
            }
        } else {
            while (num > 0) {
            buf.append(fmt.format(num) + "\n");
            num -= 3.14159;
            }
        }
        }

        String result() {
        return buf.toString();
        }
    }

        DecimalFormat fmt = new DecimalFormat("0.####");
        FormatTask[] tasks = new FormatTask[8];
        for (int i = 0; i < tasks.length; ++i) {
        tasks[i] = new FormatTask(fmt, i);
    }

    TestUtil.runUntilDone(tasks);

        for (int i = 2; i < tasks.length; i++) {
        String str1 = tasks[i].result();
        String str2 = tasks[i-2].result();
            if (!str1.equals(str2)) {
                System.out.println("mismatch at " + i);
                System.out.println(str1);
                System.out.println(str2);
                errln("decimal format thread mismatch");

                break;
            }
            str1 = str2;
        }
    }

    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));
    }

    public void TestIllegalPatterns() {
        // Test cases:
        // Prefix with "-:" for illegal patterns
        // Prefix with "+:" for legal patterns
        String DATA[] = {
            // Unquoted special characters in the suffix are illegal
            "-:000.000|###",
            "+:000.000'|###'",
        };
        for (int i=0; i<DATA.length; ++i) {
            String pat=DATA[i];
            boolean valid = pat.charAt(0) == '+';
            pat = pat.substring(2);
            Exception e = null;
            try {
                // locale doesn't matter here
                new DecimalFormat(pat);
            } catch (IllegalArgumentException e1) {
                e = e1;
            } catch (IndexOutOfBoundsException e1) {
                e = e1;
            }
            String msg = (e==null) ? "success" : e.getMessage();
            if ((e==null) == valid) {
                logln("Ok: pattern \"" + pat + "\": " + msg);
            } else {
                errln("FAIL: pattern \"" + pat + "\" should have " +
                      (valid?"succeeded":"failed") + "; got " + msg);
            }
        }
    }

    /**
     * Parse a CurrencyAmount using the given NumberFormat, with
     * the 'delim' character separating the number and the currency.
     */
    private static CurrencyAmount parseCurrencyAmount(String str, NumberFormat fmt,
                                                      char delim)
        throws ParseException {
        int i = str.indexOf(delim);
        return new CurrencyAmount(fmt.parse(str.substring(0,i)),
                                  Currency.getInstance(str.substring(i+1)));
    }

    /**
     * Return an integer representing the next token from this
     * iterator.  The integer will be an index into the given list, or
     * -1 if there are no more tokens, or -2 if the token is not on
     * the list.
     */
    private static int keywordIndex(String tok) {
        for (int i=0; i<KEYWORDS.length; ++i) {
            if (tok.equals(KEYWORDS[i])) {
                return i;
            }
        }
        return -1;
    }

    private static final String KEYWORDS[] = {
        /*0*/ "ref=", // <reference pattern to parse numbers>
        /*1*/ "loc=", // <locale for formats>
        /*2*/ "f:",   // <pattern or '-'> <number> <exp. string>
        /*3*/ "fp:",  // <pattern or '-'> <number> <exp. string> <exp. number>
        /*4*/ "rt:",  // <pattern or '-'> <(exp.) number> <(exp.) string>
        /*5*/ "p:",   // <pattern or '-'> <string> <exp. number>
        /*6*/ "perr:", // <pattern or '-'> <invalid string>
        /*7*/ "pat:", // <pattern or '-'> <exp. toPattern or '-' or 'err'>
        /*8*/ "fpc:", // <loc or '-'> <curr.amt> <exp. string> <exp. curr.amt>
        /*9*/ "strict=", // true or false
    };

    public void TestCases() {
        String caseFileName = "NumberFormatTestCases.txt";
        java.io.InputStream is = NumberFormatTest.class.getResourceAsStream(caseFileName);

        ResourceReader reader = new ResourceReader(is, caseFileName, "utf-8");
        TokenIterator tokens = new TokenIterator(reader);

        Locale loc = new Locale("en", "US", "");
        DecimalFormat ref = null, fmt = null;
        MeasureFormat mfmt = null;
        String pat = null, str = null, mloc = null;
        boolean strict = false;

        try {
            for (;;) {
                String tok = tokens.next();
                if (tok == null) {
                    break;
                }
                String where = "(" + tokens.getLineNumber() + ") ";
                int cmd = keywordIndex(tok);
                switch (cmd) {
                case 0:
                    // ref= <reference pattern>
                    ref = new DecimalFormat(tokens.next(),
                                            new DecimalFormatSymbols(Locale.US));
                    ref.setParseStrict(strict);
                    logln("Setting reference pattern to:\t" + ref);
                    break;
                case 1:
                    // loc= <locale>
                    loc = LocaleUtility.getLocaleFromName(tokens.next());
                    pat = ((DecimalFormat) NumberFormat.getInstance(loc)).toPattern();
                    logln("Setting locale to:\t" + loc + ", \tand pattern to:\t" + pat);
                    break;
                case 2: // f:
                case 3: // fp:
                case 4: // rt:
                case 5: // p:
                    tok = tokens.next();
                    if (!tok.equals("-")) {
                        pat = tok;
                    }
                    try {
                        fmt = new DecimalFormat(pat, new DecimalFormatSymbols(loc));
                        fmt.setParseStrict(strict);
                    } catch (IllegalArgumentException iae) {
                        errln(where + "Pattern \"" + pat + '"');
                        iae.printStackTrace();
                        tokens.next(); // consume remaining tokens
                        //tokens.next();
                        if (cmd == 3) tokens.next();
                        continue;
                    }
                   str = null;
                    try {
                        if (cmd == 2 || cmd == 3 || cmd == 4) {
                            // f: <pattern or '-'> <number> <exp. string>
                            // fp: <pattern or '-'> <number> <exp. string> <exp. number>
                            // rt: <pattern or '-'> <number> <string>
                            String num = tokens.next();
                            str = tokens.next();
                            Number n = (Number) ref.parse(num);
                            assertEquals(where + '"' + pat + "\".format(" + num + ")",
                                         str, fmt.format(n));
                            if (cmd == 3) { // fp:
                                n = (Number) ref.parse(tokens.next());
                            }
                            if (cmd != 2) { // != f:
                                assertEquals(where + '"' + pat + "\".parse(\"" + str + "\")",
                                             n, fmt.parse(str));
                            }
                        }
                        // p: <pattern or '-'> <string to parse> <exp. number>
                        else {
                            str = tokens.next();
                            String expstr = tokens.next();
                            Number parsed = fmt.parse(str);
                            Number exp = (Number) ref.parse(expstr);
                            assertEquals(where + '"' + pat + "\".parse(\"" + str + "\")",
                                         exp, parsed);
                        }
                    } catch (ParseException e) {
                        errln(where + '"' + pat + "\".parse(\"" + str +
                              "\") threw an exception");
                        e.printStackTrace();
                    }
                    break;
                case 6:
                    // perr: <pattern or '-'> <invalid string>
                    errln("Under construction");
                    return;
                case 7:
                    // pat: <pattern> <exp. toPattern, or '-' or 'err'>
                    String testpat = tokens.next();
                    String exppat  = tokens.next();
                    boolean err    = exppat.equals("err");
                    if (testpat.equals("-")) {
                        if (err) {
                            errln("Invalid command \"pat: - err\" at " +  tokens.describePosition());
                            continue;
                        }
                        testpat = pat;
                    }
                    if (exppat.equals("-")) exppat = testpat;
                    try {
                        DecimalFormat f = null;
                        if (testpat == pat) { // [sic]
                            f = fmt;
                        } else {
                            f = new DecimalFormat(testpat);
                            f.setParseStrict(strict);
                        }
                        if (err) {
                            errln(where + "Invalid pattern \"" + testpat +
                                  "\" was accepted");
                        } else {
                            assertEquals(where + '"' + testpat + "\".toPattern()",
                                         exppat, f.toPattern());
                        }
                    } catch (IllegalArgumentException iae2) {
                        if (err) {
                            logln("Ok: " + where + "Invalid pattern \"" + testpat +
                                  "\" threw an exception");
                        } else {
                            errln(where + "Valid pattern \"" + testpat +
                                  "\" threw an exception");
                            iae2.printStackTrace();
                        }
                    }
                    break;
                case 8: // fpc:
                    tok = tokens.next();
                    if (!tok.equals("-")) {
                        mloc = tok;
                        ULocale l = new ULocale(mloc);
                        try {
                            mfmt = MeasureFormat.getCurrencyFormat(l);
                        } catch (IllegalArgumentException iae) {
                            errln(where + "Loc \"" + tok + '"');
                            iae.printStackTrace();
                            tokens.next(); // consume remaining tokens
                            tokens.next();
                            tokens.next();
                            continue;
                        }
                    }
                    str = null;
                    try {
                        // fpc: <loc or '-'> <curr.amt> <exp. string> <exp. curr.amt>
                        String currAmt = tokens.next();
                        str = tokens.next();
                        CurrencyAmount target = parseCurrencyAmount(currAmt, ref, '/');
                        String formatResult = mfmt.format(target);
                        assertEquals(where + "getCurrencyFormat(" + mloc + ").format(" + currAmt + ")",
                                     str, formatResult);
                        target = parseCurrencyAmount(tokens.next(), ref, '/');
                        CurrencyAmount parseResult = (CurrencyAmount) mfmt.parseObject(str);
                        assertEquals(where + "getCurrencyFormat(" + mloc + ").parse(\"" + str + "\")",
                                     target, parseResult);
                    } catch (ParseException e) {
                        errln(where + '"' + pat + "\".parse(\"" + str +
                              "\") threw an exception");
                        e.printStackTrace();
                    }
                    break;
                case 9: // strict= true or false
                    strict = "true".equalsIgnoreCase(tokens.next());
                    logln("Setting strict to:\t" + strict);
                    break;
                case -1:
                    errln("Unknown command \"" + tok + "\" at " + tokens.describePosition());
                    return;
                }
            }
        } catch (java.io.IOException e) {
            throw new RuntimeException(e);
        }
    }

    public void TestRounding() {
        DecimalFormat nf = (DecimalFormat) com.ibm.icu.text.NumberFormat.getInstance(ULocale.ENGLISH);
        if (false) { // for debugging specific value
            nf.setRoundingMode(BigDecimal.ROUND_HALF_UP);
            checkRounding(nf, new BigDecimal("300.0300000000"), 0, new BigDecimal("0.020000000"));
        }
        // full tests
        int[] roundingIncrements = {1, 2, 5, 20, 50, 100};
        int[] testValues = {0, 300};
        for (int j = 0; j < testValues.length; ++j) {
            for (int mode = BigDecimal.ROUND_UP; mode < BigDecimal.ROUND_HALF_EVEN; ++mode) {
                nf.setRoundingMode(mode);
                for (int increment = 0; increment < roundingIncrements.length; ++increment) {
                    BigDecimal base = new BigDecimal(testValues[j]);
                    BigDecimal rInc = new BigDecimal(roundingIncrements[increment]);
                    checkRounding(nf,  base, 20, rInc);
                    rInc = new BigDecimal("1.000000000").divide(rInc);
                    checkRounding(nf,  base, 20, rInc);
                }
            }
        }
    }

    void checkRounding(DecimalFormat nf, BigDecimal base, int iterations, BigDecimal increment) {
        nf.setRoundingIncrement(increment.toBigDecimal());
        BigDecimal lastParsed = new BigDecimal(Integer.MIN_VALUE); // used to make sure that rounding is monotonic
        for (int i = -iterations; i <= iterations; ++i) {
            BigDecimal iValue = base.add(increment.multiply(new BigDecimal(i)).movePointLeft(1));
            BigDecimal smallIncrement = new BigDecimal("0.00000001");
            if (iValue.signum() != 0) {
                smallIncrement.multiply(iValue); // scale unless zero
            }
            // we not only test the value, but some values in a small range around it.
            lastParsed = checkRound(nf, iValue.subtract(smallIncrement), lastParsed);
            lastParsed = checkRound(nf, iValue, lastParsed);
            lastParsed = checkRound(nf, iValue.add(smallIncrement), lastParsed);
        }
    }

    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;
    }

    static BigDecimal toBigDecimal(Number number) {
        return number instanceof BigDecimal ? (BigDecimal) number
            : number instanceof BigInteger ? new BigDecimal((BigInteger)number)
            : number instanceof java.math.BigDecimal ? new BigDecimal((java.math.BigDecimal)number)
            : number instanceof Double ? new BigDecimal(number.doubleValue())
            : number instanceof Float ? new BigDecimal(number.floatValue())
            : new BigDecimal(number.longValue());
    }

    static String[] roundingModeNames = {
        "ROUND_UP", "ROUND_DOWN", "ROUND_CEILING", "ROUND_FLOOR",
        "ROUND_HALF_UP", "ROUND_HALF_DOWN", "ROUND_HALF_EVEN",
        "ROUND_UNNECESSARY"
    };

    private static boolean equalButForTrailingZeros(String formatted1, String formatted2) {
        if (formatted1.length() == formatted2.length()) return formatted1.equals(formatted2);
        return stripFinalZeros(formatted1).equals(stripFinalZeros(formatted2));
    }

    private static String stripFinalZeros(String formatted) {
        int len1 = formatted.length();
        char ch;
        while (len1 > 0 && ((ch = formatted.charAt(len1-1)) == '0' || ch == '.')) --len1;
        if (len1==1 && ((ch = formatted.charAt(len1-1)) == '-')) --len1;
        return formatted.substring(0,len1);
    }

    //------------------------------------------------------------------
    // Support methods
    //------------------------------------------------------------------

    // Format-Parse test
    public void expect2(NumberFormat fmt, Number n, String exp) {
        // Don't round-trip format test, since we explicitly do it
        expect(fmt, n, exp, false);
        expect(fmt, exp, n);
    }
    // Format-Parse test
    public void expect3(NumberFormat fmt, Number n, String exp) {
        // Don't round-trip format test, since we explicitly do it
        expect_rbnf(fmt, n, exp, false);
        expect_rbnf(fmt, exp, n);
    }

    // Format-Parse test (convenience)
    public void expect2(NumberFormat fmt, double n, String exp) {
        expect2(fmt, new Double(n), exp);
    }
    // Format-Parse test (convenience)
    public void expect3(NumberFormat fmt, double n, String exp) {
        expect3(fmt, new Double(n), exp);
    }

    // Format-Parse test (convenience)
    public void expect2(NumberFormat fmt, long n, String exp) {
        expect2(fmt, new Long(n), exp);
    }
    // Format-Parse test (convenience)
    public void expect3(NumberFormat fmt, long n, String exp) {
        expect3(fmt, new Long(n), exp);
    }

    // Format test
    public void expect(NumberFormat fmt, Number n, String exp, boolean rt) {
        StringBuffer saw = new StringBuffer();
        FieldPosition pos = new FieldPosition(0);
        fmt.format(n, saw, pos);
        String pat = ((DecimalFormat)fmt).toPattern();
        if (saw.toString().equals(exp)) {
            logln("Ok   " + n + " x " +
                  pat + " = \"" +
                  saw + "\"");
            // We should be able to round-trip the formatted string =>
            // number => string (but not the other way around: number
            // => string => number2, might have number2 != number):
            if (rt) {
                try {
                    Number n2 = fmt.parse(exp);
                    StringBuffer saw2 = new StringBuffer();
                    fmt.format(n2, saw2, pos);
                    if (!saw2.toString().equals(exp)) {
                        errln("FAIL \"" + exp + "\" => " + n2 +
                              " => \"" + saw2 + '"');
                    }
                } catch (ParseException e) {
                    errln(e.getMessage());
                    return;
                }
            }
        } else {
            errln("FAIL " + n + " x " +
                  pat + " = \"" +
                  saw + "\", expected \"" + exp + "\"");
        }
    }
    // Format test
    public void expect_rbnf(NumberFormat fmt, Number n, String exp, boolean rt) {
        StringBuffer saw = new StringBuffer();
        FieldPosition pos = new FieldPosition(0);
        fmt.format(n, saw, pos);
        if (saw.toString().equals(exp)) {
            logln("Ok   " + n + " = \"" +
                  saw + "\"");
            // We should be able to round-trip the formatted string =>
            // number => string (but not the other way around: number
            // => string => number2, might have number2 != number):
            if (rt) {
                try {
                    Number n2 = fmt.parse(exp);
                    StringBuffer saw2 = new StringBuffer();
                    fmt.format(n2, saw2, pos);
                    if (!saw2.toString().equals(exp)) {
                        errln("FAIL \"" + exp + "\" => " + n2 +
                              " => \"" + saw2 + '"');
                    }
                } catch (ParseException e) {
                    errln(e.getMessage());
                    return;
                }
            }
        } else {
            errln("FAIL " + n + " = \"" +
                  saw + "\", expected \"" + exp + "\"");
        }
    }

    // Format test (convenience)
    public void expect(NumberFormat fmt, Number n, String exp) {
        expect(fmt, n, exp, true);
    }

    // Format test (convenience)
    public void expect(NumberFormat fmt, double n, String exp) {
        expect(fmt, new Double(n), exp);
    }

    // Format test (convenience)
    public void expect(NumberFormat fmt, long n, String exp) {
        expect(fmt, new Long(n), exp);
    }

    // Parse test
    public void expect(NumberFormat fmt, String str, Number n) {
        Number num = null;
        try {
            num = (Number) fmt.parse(str);
        } catch (ParseException e) {
            errln(e.getMessage());
            return;
        }
        String pat = ((DecimalFormat)fmt).toPattern();
        // A little tricky here -- make sure Double(12345.0) and
        // Long(12345) match.
        if (num.equals(n) || num.doubleValue() == n.doubleValue()) {
            logln("Ok   \"" + str + "\" x " +
                  pat + " = " +
                  num);
        } else {
            errln("FAIL \"" + str + "\" x " +
                  pat + " = " +
                  num + ", expected " + n);
        }
    }

    // Parse test
    public void expect_rbnf(NumberFormat fmt, String str, Number n) {
        Number num = null;
        try {
            num = (Number) fmt.parse(str);
        } catch (ParseException e) {
            errln(e.getMessage());
            return;
        }
        // A little tricky here -- make sure Double(12345.0) and
        // Long(12345) match.
        if (num.equals(n) || num.doubleValue() == n.doubleValue()) {
            logln("Ok   \"" + str + " = " +
                  num);
        } else {
            errln("FAIL \"" + str + " = " +
                  num + ", expected " + n);
        }
    }

    // Parse test (convenience)
    public void expect(NumberFormat fmt, String str, double n) {
        expect(fmt, str, new Double(n));
    }

    // Parse test (convenience)
    public void expect(NumberFormat fmt, String str, long n) {
        expect(fmt, str, new Long(n));
    }

    private void expectCurrency(NumberFormat nf, Currency curr,
                                double value, String string) {
        DecimalFormat fmt = (DecimalFormat) nf;
        if (curr != null) {
            fmt.setCurrency(curr);
        }
        String s = fmt.format(value).replace('\u00A0', ' ');

        if (s.equals(string)) {
            logln("Ok: " + value + " x " + curr + " => " + s);
        } else {
            errln("FAIL: " + value + " x " + curr + " => " + s +
                  ", expected " + string);
        }
    }

    public void expectPad(DecimalFormat fmt, String pat, int pos) {
        expectPad(fmt, pat, pos, 0, (char)0);
    }

    public void expectPad(DecimalFormat fmt, final String pat, int pos, int width, final char pad) {
        int apos = 0, awidth = 0;
        char apadStr;
        try {
            fmt.applyPattern(pat);
            apos = fmt.getPadPosition();
            awidth = fmt.getFormatWidth();
            apadStr = fmt.getPadCharacter();
        } catch (Exception e) {
            apos = -1;
            awidth = width;
            apadStr = pad;
        }

        if (apos == pos && awidth == width && apadStr == pad) {
            logln("Ok   \"" + pat + "\" pos="
                    + apos + ((pos == -1) ? "" : " width=" + awidth + " pad=" + apadStr));
        } else {
            errln("FAIL \"" + pat + "\" pos=" + apos + " width="
                    + awidth + " pad=" + apadStr + ", expected "
                    + pos + " " + width + " " + pad);
        }
    }

    public void expectPat(DecimalFormat fmt, final String exp) {
        String pat = fmt.toPattern();
        if (pat.equals(exp)) {
            logln("Ok   \"" + pat + "\"");
        } else {
            errln("FAIL \"" + pat + "\", expected \"" + exp + "\"");
        }
    }

    public void TestJB3832(){
        ULocale locale = new ULocale("pt_PT@currency=PTE");
        NumberFormat format = NumberFormat.getCurrencyInstance(locale);
        Currency curr = Currency.getInstance(locale);
        logln("\nName of the currency is: " + curr.getName(locale, Currency.LONG_NAME, new boolean[] {false}));
        CurrencyAmount cAmt = new CurrencyAmount(1150.50, curr);
        logln("CurrencyAmount object's hashCode is: " + cAmt.hashCode()); //cover hashCode
        String str = format.format(cAmt);
        String expected = "1,150$50\u00a0Esc.";
        if(!expected.equals(str)){
            errln("Did not get the expected output Expected: "+expected+" Got: "+ str);
        }
    }

    public void TestStrictParse() {
        String[] pass = {
            "0",           // single zero before end of text is not leading
            "0 ",          // single zero at end of number is not leading
            "0.",          // single zero before period (or decimal, it's ambiguous) is not leading
            "0,",          // single zero before comma (not group separator) is not leading
            "0.0",         // single zero before decimal followed by digit is not leading
            "0. ",         // same as above before period (or decimal) is not leading
            "0.100,5",     // comma stops parse of decimal (no grouping)
            ".00",         // leading decimal is ok, even with zeros
            "1234567",     // group separators are not required
            "12345, ",     // comma not followed by digit is not a group separator, but end of number
            "1,234, ",     // if group separator is present, group sizes must be appropriate
            "1,234,567",   // ...secondary too
            "0E",          // an exponnent not followed by zero or digits is not an exponent
        };
        String[] fail = {
            "00",        // leading zero before zero
            "012",       // leading zero before digit
            "0,456",     // leading zero before group separator
            "1,2",       // wrong number of digits after group separator
            ",0",        // leading group separator before zero
            ",1",        // leading group separator before digit
            ",.02",      // leading group separator before decimal
            "1,.02",     // group separator before decimal
            "1,,200",    // multiple group separators
            "1,45",      // wrong number of digits in primary group
            "1,45 that", // wrong number of digits in primary group
            "1,45.34",   // wrong number of digits in primary group
            "1234,567",  // wrong number of digits in secondary group
            "12,34,567", // wrong number of digits in secondary group
            "1,23,456,7890", // wrong number of digits in primary and secondary groups
        };

        DecimalFormat nf = (DecimalFormat) NumberFormat.getInstance(Locale.ENGLISH);
        runStrictParseBatch(nf, pass, fail);

        String[] scientificPass = {
            "0E2",      // single zero before exponent is ok
            "1234E2",   // any number of digits before exponent is ok
            "1,234E",   // an exponent string not followed by zero or digits is not an exponent
        };
        String[] scientificFail = {
            "00E2",     // double zeros fail
            "1,234E2",  // group separators with exponent fail
        };

        nf = (DecimalFormat) NumberFormat.getInstance(Locale.ENGLISH);
        runStrictParseBatch(nf, scientificPass, scientificFail);

        String[] mixedPass = {
            "12,34,567",
            "12,34,567,",
            "12,34,567, that",
            "12,34,567 that",
        };
        String[] mixedFail = {
            "12,34,56",
            "12,34,56,",
            "12,34,56, that ",
            "12,34,56 that",
        };

        nf = new DecimalFormat("#,##,##0.#");
        runStrictParseBatch(nf, mixedPass, mixedFail);
    }

    void runStrictParseBatch(DecimalFormat nf, String[] pass, String[] fail) {
        nf.setParseStrict(false);
        runStrictParseTests("should pass", nf, pass, true);
        runStrictParseTests("should also pass", nf, fail, true);
        nf.setParseStrict(true);
        runStrictParseTests("should still pass", nf, pass, true);
        runStrictParseTests("should fail", nf, fail, false);
    }

    void runStrictParseTests(String msg, DecimalFormat nf, String[] tests, boolean pass) {
        logln("");
        logln("pattern: '" + nf.toPattern() + "'");
        logln(msg);
        for (int i = 0; i < tests.length; ++i) {
            String str = tests[i];
            ParsePosition pp = new ParsePosition(0);
            Number n = nf.parse(str, pp);
            String formatted = n != null ? nf.format(n) : "null";
            String err = pp.getErrorIndex() == -1 ? "" : "(error at " + pp.getErrorIndex() + ")";
            if ((err.length() == 0) != pass) {
                errln("'" + str + "' parsed '" +
                      str.substring(0, pp.getIndex()) +
                      "' returned " + n + " formats to '" +
                      formatted + "' " + err);
            } else {
                if (err.length() > 0) {
                    err = "got expected " + err;
                }
                logln("'" + str + "' parsed '" +
                      str.substring(0, pp.getIndex()) +
                      "' returned " + n + " formats to '" +
                      formatted + "' " + err);
            }
        }
    }
    public void TestJB5251(){
        //save default locale
        ULocale defaultLocale = ULocale.getDefault();
        ULocale.setDefault(new ULocale("qr_QR"));
        try {
            NumberFormat.getInstance();
        }
        catch (Exception e) {
            errln("Numberformat threw exception for non-existent locale. It should use the default.");
        }
        //reset default locale
        ULocale.setDefault(defaultLocale);
    }

    public void TestParseReturnType() {
        String[] defaultNonBigDecimals = {
            "123",      // Long
            "123.0",    // Long
            "0.0",      // Long
            "12345678901234567890"      // BigInteger
        };

        String[] doubles = {
            "-0.0",
            "NaN",
            "\u221E"    // Infinity
        };

        DecimalFormatSymbols sym = new DecimalFormatSymbols(Locale.US);
        DecimalFormat nf = new DecimalFormat("#.#", sym);

        if (nf.isParseBigDecimal()) {
            errln("FAIL: isParseDecimal() must return false by default");
        }

        // isParseBigDecimal() is false
        for (int i = 0; i < defaultNonBigDecimals.length; i++) {
            try {
                Number n = nf.parse(defaultNonBigDecimals[i]);
                if (n instanceof BigDecimal) {
                    errln("FAIL: parse returns BigDecimal instance");
                }
            } catch (ParseException e) {
                errln("parse of '" + defaultNonBigDecimals[i] + "' threw exception: " + e);
            }
        }
        // parse results for doubls must be always Double
        for (int i = 0; i < doubles.length; i++) {
            try {
                Number n = nf.parse(doubles[i]);
                if (!(n instanceof Double)) {
                    errln("FAIL: parse does not return Double instance");
                }
            } catch (ParseException e) {
                errln("parse of '" + doubles[i] + "' threw exception: " + e);
            }
        }

        // force this DecimalFormat to return BigDecimal
        nf.setParseBigDecimal(true);
        if (!nf.isParseBigDecimal()) {
            errln("FAIL: isParseBigDecimal() must return true");
        }

        // isParseBigDecimal() is true
        for (int i = 0; i < defaultNonBigDecimals.length; i++) {
            try {
                Number n = nf.parse(defaultNonBigDecimals[i]);
                if (!(n instanceof BigDecimal)) {
                    errln("FAIL: parse does not return BigDecimal instance");
                }
            } catch (ParseException e) {
                errln("parse of '" + defaultNonBigDecimals[i] + "' threw exception: " + e);
            }
        }
        // parse results for doubls must be always Double
        for (int i = 0; i < doubles.length; i++) {
            try {
                Number n = nf.parse(doubles[i]);
                if (!(n instanceof Double)) {
                    errln("FAIL: parse does not return Double instance");
                }
            } catch (ParseException e) {
                errln("parse of '" + doubles[i] + "' threw exception: " + e);
            }
        }
    }

    public void TestNonpositiveMultiplier() {
        DecimalFormat df = new DecimalFormat("0");

        // test zero multiplier

        try {
            df.setMultiplier(0);

            // bad
            errln("DecimalFormat.setMultiplier(0) did not throw an IllegalArgumentException");
        } catch (IllegalArgumentException ex) {
            // good
        }

        // test negative multiplier

        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());
    }

    public void TestJB5358() {
        int numThreads = 10;
        String numstr = "12345";
        double expected = 12345;
        DecimalFormatSymbols sym = new DecimalFormatSymbols(Locale.US);
        DecimalFormat fmt = new DecimalFormat("#.#", sym);
        ArrayList errors = new ArrayList();

        ParseThreadJB5358[] threads = new ParseThreadJB5358[numThreads];
        for (int i = 0; i < numThreads; i++) {
            threads[i] = new ParseThreadJB5358((DecimalFormat)fmt.clone(), numstr, expected, errors);
            threads[i].start();
        }
        for (int i = 0; i < numThreads; i++) {
            try {
                threads[i].join();
            } catch (InterruptedException ie) {
                ie.printStackTrace();
            }
        }
        if (errors.size() != 0) {
            StringBuffer errBuf = new StringBuffer();
            for (int i = 0; i < errors.size(); i++) {
                errBuf.append((String)errors.get(i));
                errBuf.append("\n");
            }
            errln("FAIL: " + errBuf);
        }
    }

    static private class ParseThreadJB5358 extends Thread {
        private DecimalFormat decfmt;
        private String numstr;
        private double expect;
        private ArrayList errors;

        public ParseThreadJB5358(DecimalFormat decfmt, String numstr, double expect, ArrayList errors) {
            this.decfmt = decfmt;
            this.numstr = numstr;
            this.expect = expect;
            this.errors = errors;
        }

        public void run() {
            for (int i = 0; i < 10000; i++) {
                try {
                    Number n = decfmt.parse(numstr);
                    if (n.doubleValue() != expect) {
                        synchronized(errors) {
                            errors.add(new String("Bad parse result - expected:" + expect + " actual:" + n.doubleValue()));
                        }
                    }
                } catch (Throwable t) {
                    synchronized(errors) {
                        errors.add(new String(t.getClass().getName() + " - " + t.getMessage()));
                    }
                }
            }
        }
    }
    
    public void TestSetCurrency() {
        DecimalFormatSymbols decf1 = DecimalFormatSymbols.getInstance(ULocale.US);
        DecimalFormatSymbols decf2 = DecimalFormatSymbols.getInstance(ULocale.US);
        decf2.setCurrencySymbol("UKD");
        DecimalFormat format1 = new DecimalFormat("000.000", decf1);
        DecimalFormat format2 = new DecimalFormat("000.000", decf2);
        Currency euro = Currency.getInstance("EUR");
        format1.setCurrency(euro);
        format2.setCurrency(euro);
        assertEquals("Reset with currency symbol", format1, format2);
    }
    
    /*
     * Testing the method public StringBuffer format(Object number, ...)
     */
    public void TestFormat() {
        NumberFormat nf = NumberFormat.getInstance();
        StringBuffer sb = new StringBuffer("dummy");
        FieldPosition fp = new FieldPosition(0);

        // Tests when "if (number instanceof Long)" is true
        try {
            nf.format((Object)new Long("0"), sb, fp);
        } catch (Exception e) {
            errln("NumberFormat.format(Object number, ...) was not suppose to "
                    + "return an exception for a Long object. Error: " + e);
        }

        // Tests when "else if (number instanceof BigInteger)" is true
        try {
            nf.format((Object)new BigInteger("0"), sb, fp);
        } catch (Exception e) {
            errln("NumberFormat.format(Object number, ...) was not suppose to "
                    + "return an exception for a BigInteger object. Error: " + e);
        }

        // Tests when "else if (number instanceof java.math.BigDecimal)" is true
        try {
            nf.format((Object)new java.math.BigDecimal("0"), sb, fp);
        } catch (Exception e) {
            errln("NumberFormat.format(Object number, ...) was not suppose to "
                    + "return an exception for a java.math.BigDecimal object. Error: " + e);
        }

        // Tests when "else if (number instanceof com.ibm.icu.math.BigDecimal)" is true
        try {
            nf.format((Object)new com.ibm.icu.math.BigDecimal("0"), sb, fp);
        } catch (Exception e) {
            errln("NumberFormat.format(Object number, ...) was not suppose to "
                    + "return an exception for a com.ibm.icu.math.BigDecimal object. Error: " + e);
        }

        // Tests when "else if (number instanceof CurrencyAmount)" is true
        try {
            CurrencyAmount ca = new CurrencyAmount(0.0, Currency.getInstance(new ULocale("en_US")));
            nf.format((Object)ca, sb, fp);
        } catch (Exception e) {
            errln("NumberFormat.format(Object number, ...) was not suppose to "
                    + "return an exception for a CurrencyAmount object. Error: " + e);
        }

        // Tests when "else if (number instanceof Number)" is true
        try {
            nf.format((Object)(Number) 0.0, sb, fp);
        } catch (Exception e) {
            errln("NumberFormat.format(Object number, ...) was not suppose to "
                    + "to return an exception for a Number object. Error: " + e);
        }

        // Tests when "else" is true
        try {
            nf.format(new Object(), sb, fp);
            errln("NumberFormat.format(Object number, ...) was suppose to "
                    + "return an exception for an invalid object.");
        } catch (Exception e) {
        }

        try {
            nf.format(new String("dummy"), sb, fp);
            errln("NumberFormat.format(Object number, ...) was suppose to "
                    + "return an exception for an invalid object.");
        } catch (Exception e) {
        }
    }

    /*
     * Tests the method public final static NumberFormat getInstance(int style) public static NumberFormat
     * getInstance(Locale inLocale, int style) public static NumberFormat getInstance(ULocale desiredLocale, int choice)
     */
    public void TestGetInstance() {
        // Tests "public final static NumberFormat getInstance(int style)"

        int[] invalid_cases = { NumberFormat.NUMBERSTYLE - 1, NumberFormat.NUMBERSTYLE - 2,
                NumberFormat.PLURALCURRENCYSTYLE + 1, NumberFormat.PLURALCURRENCYSTYLE + 2 };

        for (int i = NumberFormat.NUMBERSTYLE; i < NumberFormat.PLURALCURRENCYSTYLE; i++) {
            try {
                NumberFormat.getInstance(i);
            } catch (Exception e) {
                errln("NumberFormat.getInstance(int style) was not suppose to "
                        + "return an exception for passing value of " + i);
            }
        }

        for (int i = 0; i < invalid_cases.length; i++) {
            try {
                NumberFormat.getInstance(invalid_cases[i]);
                errln("NumberFormat.getInstance(int style) was suppose to "
                        + "return an exception for passing value of " + invalid_cases[i]);
            } catch (Exception e) {
            }
        }

        // Tests "public static NumberFormat getInstance(Locale inLocale, int style)"
        String[] localeCases = { "en_US", "fr_FR", "de_DE", "jp_JP" };

        for (int i = NumberFormat.NUMBERSTYLE; i < NumberFormat.PLURALCURRENCYSTYLE; i++) {
            for (int j = 0; j < localeCases.length; j++) {
                try {
                    NumberFormat.getInstance(new Locale(localeCases[j]), i);
                } catch (Exception e) {
                    errln("NumberFormat.getInstance(Locale inLocale, int style) was not suppose to "
                            + "return an exception for passing value of " + localeCases[j] + ", " + i);
                }
            }
        }

        // Tests "public static NumberFormat getInstance(ULocale desiredLocale, int choice)"
        // Tests when "if (choice < NUMBERSTYLE || choice > PLURALCURRENCYSTYLE)" is true
        for (int i = 0; i < invalid_cases.length; i++) {
            try {
                NumberFormat.getInstance((ULocale) null, invalid_cases[i]);
                errln("NumberFormat.getInstance(ULocale inLocale, int choice) was not suppose to "
                        + "return an exception for passing value of " + invalid_cases[i]);
            } catch (Exception e) {
            }
        }
    }

    /*
     * Tests the class public static abstract class NumberFormatFactory
     */
    public void TestNumberFormatFactory() {
        /*
         * The following class allows the method public NumberFormat createFormat(Locale loc, int formatType) to be
         * tested.
         */
        class TestFactory extends NumberFormatFactory {
            public Set<String> getSupportedLocaleNames() {
                return null;
            }

            public NumberFormat createFormat(ULocale loc, int formatType) {
                return null;
            }
        }

        /*
         * The following class allows the method public NumberFormat createFormat(ULocale loc, int formatType) to be
         * tested.
         */
        class TestFactory1 extends NumberFormatFactory {
            public Set<String> getSupportedLocaleNames() {
                return null;
            }

            public NumberFormat createFormat(Locale loc, int formatType) {
                return null;
            }
        }

        TestFactory tf = new TestFactory();
        TestFactory1 tf1 = new TestFactory1();

        /*
         * Tests the method public boolean visible()
         */
        if (tf.visible() != true) {
            errln("NumberFormatFactor.visible() was suppose to return true.");
        }

        /*
         * Tests the method public NumberFormat createFormat(Locale loc, int formatType)
         */
        if (tf.createFormat(new Locale(""), 0) != null) {
            errln("NumberFormatFactor.createFormat(Locale loc, int formatType) " + "was suppose to return null");
        }

        /*
         * Tests the method public NumberFormat createFormat(ULocale loc, int formatType)
         */
        if (tf1.createFormat(new ULocale(""), 0) != null) {
            errln("NumberFormatFactor.createFormat(ULocale loc, int formatType) " + "was suppose to return null");
        }
    }

    /*
     * Tests the class public static abstract class SimpleNumberFormatFactory extends NumberFormatFactory
     */
    public void TestSimpleNumberFormatFactory() {
        class TestSimpleNumberFormatFactory extends SimpleNumberFormatFactory {
            /*
             * Tests the method public SimpleNumberFormatFactory(Locale locale)
             */
            TestSimpleNumberFormatFactory() {
                super(new Locale(""));
            }
        }
        @SuppressWarnings("unused")
        TestSimpleNumberFormatFactory tsnff = new TestSimpleNumberFormatFactory();
    }

    /*
     * Tests the method public static ULocale[] getAvailableLocales()
     */
    @SuppressWarnings("static-access")
    public void TestGetAvailableLocales() {
        // Tests when "if (shim == null)" is true
        @SuppressWarnings("serial")
        class TestGetAvailableLocales extends NumberFormat {
            public StringBuffer format(double number, StringBuffer toAppendTo, FieldPosition pos) {
                return null;
            }

            public StringBuffer format(long number, StringBuffer toAppendTo, FieldPosition pos) {
                return null;
            }

            public StringBuffer format(BigInteger number, StringBuffer toAppendTo, FieldPosition pos) {
                return null;
            }

            public StringBuffer format(java.math.BigDecimal number, StringBuffer toAppendTo, FieldPosition pos) {
                return null;
            }

            public StringBuffer format(BigDecimal number, StringBuffer toAppendTo, FieldPosition pos) {
                return null;
            }

            public Number parse(String text, ParsePosition parsePosition) {
                return null;
            }
        }

        try {
            TestGetAvailableLocales test = new TestGetAvailableLocales();
            test.getAvailableLocales();
        } catch (Exception e) {
            errln("NumberFormat.getAvailableLocales() was not suppose to "
                    + "return an exception when getting getting available locales.");
        }
    }

    /*
     * Tests the method public void setMinimumIntegerDigits(int newValue)
     */
    public void TestSetMinimumIntegerDigits() {
        NumberFormat nf = NumberFormat.getInstance();
        // For valid array, it is displayed as {min value, max value}
        // Tests when "if (minimumIntegerDigits > maximumIntegerDigits)" is true
        int[][] cases = { { -1, 0 }, { 0, 1 }, { 1, 0 }, { 2, 0 }, { 2, 1 }, { 10, 0 } };
        int[] expectedMax = { 0, 1, 1, 2, 2, 10 };
        if (cases.length != expectedMax.length) {
            errln("Can't continue test case method TestSetMinimumIntegerDigits "
                    + "since the test case arrays are unequal.");
        } else {
            for (int i = 0; i < cases.length; i++) {
                nf.setMaximumIntegerDigits(cases[i][1]);
                nf.setMinimumIntegerDigits(cases[i][0]);
                if (nf.getMaximumIntegerDigits() != expectedMax[i]) {
                    errln("NumberFormat.setMinimumIntegerDigits(int newValue "
                            + "did not return an expected result for parameter " + cases[i][1] + " and " + cases[i][0]
                            + " and expected " + expectedMax[i] + " but got " + nf.getMaximumIntegerDigits());
                }
            }
        }
    }

    /*
     * Tests the method protected Currency getEffectiveCurrency()
     */
    public void TestGetEffectiveCurrency() {
        // TODO: Tests the method
    }

    /*
     * Tests the method public int getRoundingMode() public void setRoundingMode(int roundingMode)
     */
    public void TestRoundingMode() {
        @SuppressWarnings("serial")
        class TestRoundingMode extends NumberFormat {
            public StringBuffer format(double number, StringBuffer toAppendTo, FieldPosition pos) {
                return null;
            }

            public StringBuffer format(long number, StringBuffer toAppendTo, FieldPosition pos) {
                return null;
            }

            public StringBuffer format(BigInteger number, StringBuffer toAppendTo, FieldPosition pos) {
                return null;
            }

            public StringBuffer format(java.math.BigDecimal number, StringBuffer toAppendTo, FieldPosition pos) {
                return null;
            }

            public StringBuffer format(BigDecimal number, StringBuffer toAppendTo, FieldPosition pos) {
                return null;
            }

            public Number parse(String text, ParsePosition parsePosition) {
                return null;
            }
        }
        TestRoundingMode tgrm = new TestRoundingMode();

        // Tests the function 'public void setRoundingMode(int roundingMode)'
        try {
            tgrm.setRoundingMode(0);
            errln("NumberFormat.setRoundingMode(int) was suppose to return an exception");
        } catch (Exception e) {
        }

        // Tests the function 'public int getRoundingMode()'
        try {
            tgrm.getRoundingMode();
            errln("NumberFormat.getRoundingMode() was suppose to return an exception");
        } catch (Exception e) {
        }
    }

    /*
     * Testing lenient decimal/grouping separator parsing
     */
    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#7218
        //
        // 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.
        sym.setGroupingSeparator(',');
        fmt.setDecimalFormatSymbols(sym);

        expect(fmt, "12 345", 12345);

        // When the property SkipExtendedSeparatorParsing is true,
        // DecimalFormat does not use the extended equivalent separator
        // data and only uses the one in DecimalFormatSymbols.
        System.setProperty("com.ibm.icu.text.DecimalFormat.SkipExtendedSeparatorParsing", "true");

        expect(fmt, "23 456", 23);

        // Set the configuration back to the default
        System.setProperty("com.ibm.icu.text.DecimalFormat.SkipExtendedSeparatorParsing", "false");
    }

    /*
     * Testing currency driven max/min fraction digits problem
     * reported by ticket#7282
     */
    public void TestCurrencyFractionDigits() {
        double value = 99.12345;

        // Create currency instance
        NumberFormat cfmt  = NumberFormat.getCurrencyInstance(new ULocale("ja_JP"));
        String text1 = cfmt.format(value);

        // Reset the same currency and format the test value again
        cfmt.setCurrency(cfmt.getCurrency());
        String text2 = cfmt.format(value);

        // output1 and output2 must be identical
        if (!text1.equals(text2)) {
            errln("NumberFormat.format() should return the same result - text1="
                    + text1 + " text2=" + text2);
        }
    }
    
    /*
     * Testing rounding to negative zero problem
     * reported by ticket#7609
     */
    public void TestNegZeroRounding() {    
  
        DecimalFormat df = (DecimalFormat) NumberFormat.getInstance(); 
        df.setRoundingMode(MathContext.ROUND_HALF_UP); 
        df.setMinimumFractionDigits(1); 
        df.setMaximumFractionDigits(1); 
        String text1 = df.format(-0.01);
        
        df.setRoundingIncrement(0.1);         
        String text2 = df.format(-0.01);
        
        // output1 and output2 must be identical
        if (!text1.equals(text2)) {
            errln("NumberFormat.format() should return the same result - text1="
                    + text1 + " text2=" + text2);
        }
  
    }
    
    public void TestCurrencyAmountCoverage() {
        CurrencyAmount ca, cb;
        
        try {
            ca = new CurrencyAmount(null, null);
            errln("NullPointerException should have been thrown.");
        } catch (NullPointerException ex) {
        }
        try {
            ca = new CurrencyAmount(new Integer(0), null);
            errln("NullPointerException should have been thrown.");
        } catch (NullPointerException ex) {
        }
        
        ca = new CurrencyAmount(new Integer(0), Currency.getInstance(new ULocale("ja_JP")));
        cb = new CurrencyAmount(new Integer(1), Currency.getInstance(new ULocale("ja_JP")));
        if (ca.equals(null)) {
            errln("Comparison should return false.");
        }
        if (!ca.equals(ca)) {
            errln("Comparision should return true.");
        }
        if (ca.equals(cb)) {
            errln("Comparison should return false.");
        }
    }
}