/*
 *******************************************************************************
 * Copyright (C) 1996-2014, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 */
package com.ibm.icu.dev.test.format;

import java.math.BigInteger;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.text.ParseException;
import java.util.Locale;
import java.util.Random;

import com.ibm.icu.dev.test.TestFmwk;
import com.ibm.icu.text.DecimalFormatSymbols;
import com.ibm.icu.text.DisplayContext;
import com.ibm.icu.text.RuleBasedNumberFormat;
import com.ibm.icu.util.ULocale;

/**
 * This does not test lenient parse mode, since testing the default implementation
 * introduces a dependency on collation.  See RbnfLenientScannerTest.
 */
public class RbnfTest extends TestFmwk {
    public static void main(String[] args) {
        RbnfTest test = new RbnfTest();

        try {
            test.run(args);
        }
        catch (Throwable e) {
            System.out.println("Entire test failed because of exception: "
                               + e.toString());
            e.printStackTrace();
        }
    }

    static String fracRules = 
        "%main:\n" +
        // this rule formats the number if it's 1 or more.  It formats
        // the integral part using a DecimalFormat ("#,##0" puts
        // thousands separators in the right places) and the fractional
        // part using %%frac.  If there is no fractional part, it
        // just shows the integral part.
        "    x.0: <#,##0<[ >%%frac>];\n" +
        // this rule formats the number if it's between 0 and 1.  It
        // shows only the fractional part (0.5 shows up as "1/2," not
        // "0 1/2")
        "    0.x: >%%frac>;\n" +
        // the fraction rule set.  This works the same way as the one in the
        // preceding example: We multiply the fractional part of the number
        // being formatted by each rule's base value and use the rule that
        // produces the result closest to 0 (or the first rule that produces 0).
        // Since we only provide rules for the numbers from 2 to 10, we know
        // we'll get a fraction with a denominator between 2 and 10.
        // "<0<" causes the numerator of the fraction to be formatted
        // using numerals
        "%%frac:\n" +
        "    2: 1/2;\n" +
        "    3: <0</3;\n" +
        "    4: <0</4;\n" +
        "    5: <0</5;\n" +
        "    6: <0</6;\n" +
        "    7: <0</7;\n" +
        "    8: <0</8;\n" +
        "    9: <0</9;\n" +
        "   10: <0</10;\n";

    static {
        // mondo hack
    char[] fracRulesArr = fracRules.toCharArray();
        int len = fracRulesArr.length;
        int change = 2;
        for (int i = 0; i < len; ++i) {
            char ch = fracRulesArr[i];
            if (ch == '\n') {
                change = 2; // change ok
            } else if (ch == ':') {
                change = 1; // change, but once we hit a non-space char, don't change
            } else if (ch == ' ') {
                if (change != 0) {
                    fracRulesArr[i] = (char)0x200e;
                }
            } else {
                if (change == 1) {
                    change = 0;
                }
            }
        }
    fracRules = new String(fracRulesArr);
    }

    static final String durationInSecondsRules =
        // main rule set for formatting with words
        "%with-words:\n"
        // take care of singular and plural forms of "second"
        + "    0 seconds; 1 second; =0= seconds;\n"
        // use %%min to format values greater than 60 seconds
        + "    60/60: <%%min<[, >>];\n"
        // use %%hr to format values greater than 3,600 seconds
        // (the ">>>" below causes us to see the number of minutes
        // when when there are zero minutes)
        + "    3600/60: <%%hr<[, >>>];\n"
        // this rule set takes care of the singular and plural forms
        // of "minute"
        + "%%min:\n"
        + "    0 minutes; 1 minute; =0= minutes;\n"
        // this rule set takes care of the singular and plural forms
        // of "hour"
        + "%%hr:\n"
        + "    0 hours; 1 hour; =0= hours;\n"

        // main rule set for formatting in numerals
        + "%in-numerals:\n"
        // values below 60 seconds are shown with "sec."
        + "    =0= sec.;\n"
        // higher values are shown with colons: %%min-sec is used for
        // values below 3,600 seconds...
        + "    60: =%%min-sec=;\n"
        // ...and %%hr-min-sec is used for values of 3,600 seconds
        // and above
        + "    3600: =%%hr-min-sec=;\n"
        // this rule causes values of less than 10 minutes to show without
        // a leading zero
        + "%%min-sec:\n"
        + "    0: :=00=;\n"
        + "    60/60: <0<>>;\n"
        // this rule set is used for values of 3,600 or more.  Minutes are always
        // shown, and always shown with two digits
        + "%%hr-min-sec:\n"
        + "    0: :=00=;\n"
        + "    60/60: <00<>>;\n"
        + "    3600/60: <#,##0<:>>>;\n"
        // the lenient-parse rules allow several different characters to be used
        // as delimiters between hours, minutes, and seconds
        + "%%lenient-parse:\n"
        + "    & : = . = ' ' = -;\n";

    public void TestCoverage() {
        // extra calls to boost coverage numbers
        RuleBasedNumberFormat fmt0 = new RuleBasedNumberFormat(RuleBasedNumberFormat.SPELLOUT);
        RuleBasedNumberFormat fmt1 = (RuleBasedNumberFormat)fmt0.clone();
        RuleBasedNumberFormat fmt2 = new RuleBasedNumberFormat(RuleBasedNumberFormat.SPELLOUT);
        if (!fmt0.equals(fmt0)) {
            errln("self equality fails");
        }
        if (!fmt0.equals(fmt1)) {
            errln("clone equality fails");
        }
        if (!fmt0.equals(fmt2)) {
            errln("duplicate equality fails");
        }
        String str = fmt0.toString();
        logln(str);

        RuleBasedNumberFormat fmt3 =  new RuleBasedNumberFormat(durationInSecondsRules);

        if (fmt0.equals(fmt3)) {
            errln("nonequal fails");
        }
        if (!fmt3.equals(fmt3)) {
            errln("self equal 2 fails");
        }
        str = fmt3.toString();
        logln(str);

        String[] names = fmt3.getRuleSetNames();

        try {
            fmt3.setDefaultRuleSet(null);
            fmt3.setDefaultRuleSet("%%foo");
            errln("sdrf %%foo didn't fail");
        }
        catch (Exception e) {
            logln("Got the expected exception");
        }

        try {
            fmt3.setDefaultRuleSet("%bogus");
            errln("sdrf %bogus didn't fail");
        }
        catch (Exception e) {
            logln("Got the expected exception");
        }

        try {
            str = fmt3.format(2.3, names[0]);
            logln(str);
            str = fmt3.format(2.3, "%%foo");
            errln("format double %%foo didn't fail");
        }
        catch (Exception e) {
            logln("Got the expected exception");
        }

        try {
            str = fmt3.format(123L, names[0]);
            logln(str);
            str = fmt3.format(123L, "%%foo");
            errln("format double %%foo didn't fail");
        }
        catch (Exception e) {
            logln("Got the expected exception");
        }

        RuleBasedNumberFormat fmt4 = new RuleBasedNumberFormat(fracRules, Locale.ENGLISH);
        RuleBasedNumberFormat fmt5 = new RuleBasedNumberFormat(fracRules, Locale.ENGLISH);
        str = fmt4.toString();
        logln(str);
        if (!fmt4.equals(fmt5)) {
            errln("duplicate 2 equality failed");
        }
        str = fmt4.format(123L);
        logln(str);
        try {
            Number num = fmt4.parse(str);
            logln(num.toString());
        }
        catch (Exception e) {
            errln("parse caught exception");
        }

        str = fmt4.format(.000123);
        logln(str);
        try {
            Number num = fmt4.parse(str);
            logln(num.toString());
        }
        catch (Exception e) {
            errln("parse caught exception");
        }

        str = fmt4.format(456.000123);
        logln(str);
        try {
            Number num = fmt4.parse(str);
            logln(num.toString());
        }
        catch (Exception e) {
            errln("parse caught exception");
        }
    }

    public void TestUndefinedSpellout() {
        Locale greek = new Locale("el", "", "");
        RuleBasedNumberFormat[] formatters = {
            new RuleBasedNumberFormat(greek, RuleBasedNumberFormat.SPELLOUT),
            new RuleBasedNumberFormat(greek, RuleBasedNumberFormat.ORDINAL),
            new RuleBasedNumberFormat(greek, RuleBasedNumberFormat.DURATION),
        };

        String[] data = {
            "0",
            "1",
            "15",
            "20",
            "23",
            "73",
            "88",
            "100",
            "106",
            "127",
            "200",
            "579",
            "1,000",
            "2,000",
            "3,004",
            "4,567",
            "15,943",
            "105,000",
            "2,345,678",
            "-36",
            "-36.91215",
            "234.56789"
        };

        NumberFormat decFormat = NumberFormat.getInstance(Locale.US);
        for (int j = 0; j < formatters.length; ++j) {
            com.ibm.icu.text.NumberFormat formatter = formatters[j];
            logln("formatter[" + j + "]");
            for (int i = 0; i < data.length; ++i) {
                try {
                    String result = formatter.format(decFormat.parse(data[i]));
                    logln("[" + i + "] " + data[i] + " ==> " + result);
                }
                catch (Exception e) {
                    errln("formatter[" + j + "], data[" + i + "] " + data[i] + " threw exception " + e.getMessage());
                }
            }
        }
    }

    /**
     * Perform a simple spot check on the English spellout rules
     */
    public void TestEnglishSpellout() {
        RuleBasedNumberFormat formatter
            = new RuleBasedNumberFormat(Locale.US,
                                        RuleBasedNumberFormat.SPELLOUT);
        String[][] testData = {
            { "1", "one" },
            { "15", "fifteen" },
            { "20", "twenty" },
            { "23", "twenty-three" },
            { "73", "seventy-three" },
            { "88", "eighty-eight" },
            { "100", "one hundred" },
            { "106", "one hundred six" },
            { "127", "one hundred twenty-seven" },
            { "200", "two hundred" },
            { "579", "five hundred seventy-nine" },
            { "1,000", "one thousand" },
            { "2,000", "two thousand" },
            { "3,004", "three thousand four" },
            { "4,567", "four thousand five hundred sixty-seven" },
            { "15,943", "fifteen thousand nine hundred forty-three" },
            { "2,345,678", "two million three hundred forty-five "
              + "thousand six hundred seventy-eight" },
            { "-36", "minus thirty-six" },
            { "234.567", "two hundred thirty-four point five six seven" }
        };

        doTest(formatter, testData, true);
    }

    /**
     * Perform a simple spot check on the English ordinal-abbreviation rules
     */
    public void TestOrdinalAbbreviations() {
        RuleBasedNumberFormat formatter
            = new RuleBasedNumberFormat(Locale.US,
                                        RuleBasedNumberFormat.ORDINAL);
        String[][] testData = {
            { "1", "1st" },
            { "2", "2nd" },
            { "3", "3rd" },
            { "4", "4th" },
            { "7", "7th" },
            { "10", "10th" },
            { "11", "11th" },
            { "13", "13th" },
            { "20", "20th" },
            { "21", "21st" },
            { "22", "22nd" },
            { "23", "23rd" },
            { "24", "24th" },
            { "33", "33rd" },
            { "102", "102nd" },
            { "312", "312th" },
            { "12,345", "12,345th" }
        };

        doTest(formatter, testData, false);
    }

    /**
     * Perform a simple spot check on the duration-formatting rules
     */
    public void TestDurations() {
        RuleBasedNumberFormat formatter
            = new RuleBasedNumberFormat(Locale.US,
                                        RuleBasedNumberFormat.DURATION);
        String[][] testData = {
            { "3,600", "1:00:00" },             //move me and I fail
            { "0", "0 sec." },
            { "1", "1 sec." },
            { "24", "24 sec." },
            { "60", "1:00" },
            { "73", "1:13" },
            { "145", "2:25" },
            { "666", "11:06" },
            //            { "3,600", "1:00:00" },
            { "3,740", "1:02:20" },
            { "10,293", "2:51:33" }
        };

        doTest(formatter, testData, true);
    }

    /**
     * Perform a simple spot check on the Spanish spellout rules
     */
    public void TestSpanishSpellout() {
        RuleBasedNumberFormat formatter
            = new RuleBasedNumberFormat(new Locale("es", "es",
                                                   ""), RuleBasedNumberFormat.SPELLOUT);
        String[][] testData = {
            { "1", "uno" },
            { "6", "seis" },
            { "16", "diecis\u00e9is" },
            { "20", "veinte" },
            { "24", "veinticuatro" },
            { "26", "veintis\u00e9is" },
            { "73", "setenta y tres" },
            { "88", "ochenta y ocho" },
            { "100", "cien" },
            { "106", "ciento seis" },
            { "127", "ciento veintisiete" },
            { "200", "doscientos" },
            { "579", "quinientos setenta y nueve" },
            { "1,000", "mil" },
            { "2,000", "dos mil" },
            { "3,004", "tres mil cuatro" },
            { "4,567", "cuatro mil quinientos sesenta y siete" },
            { "15,943", "quince mil novecientos cuarenta y tres" },
            { "2,345,678", "dos millones trescientos cuarenta y cinco mil "
              + "seiscientos setenta y ocho"},
            { "-36", "menos treinta y seis" },
            { "234.567", "doscientos treinta y cuatro coma cinco seis siete" }
        };

        doTest(formatter, testData, true);
    }

    /**
     * Perform a simple spot check on the French spellout rules
     */
    public void TestFrenchSpellout() {
        RuleBasedNumberFormat formatter
            = new RuleBasedNumberFormat(Locale.FRANCE,
                                        RuleBasedNumberFormat.SPELLOUT);
        String[][] testData = {
            { "1", "un" },
            { "15", "quinze" },
            { "20", "vingt" },
            { "21", "vingt-et-un" },
            { "23", "vingt-trois" },
            { "62", "soixante-deux" },
            { "70", "soixante-dix" },
            { "71", "soixante-et-onze" },
            { "73", "soixante-treize" },
            { "80", "quatre-vingts" },
            { "88", "quatre-vingt-huit" },
            { "100", "cent" },
            { "106", "cent six" },
            { "127", "cent vingt-sept" },
            { "200", "deux cents" },
            { "579", "cinq cent soixante-dix-neuf" },
            { "1,000", "mille" },
            { "1,123", "mille cent vingt-trois" },
            { "1,594", "mille cinq cent quatre-vingt-quatorze" },
            { "2,000", "deux mille" },
            { "3,004", "trois mille quatre" },
            { "4,567", "quatre mille cinq cent soixante-sept" },
            { "15,943", "quinze mille neuf cent quarante-trois" },
            { "2,345,678", "deux millions trois cent quarante-cinq mille "
              + "six cent soixante-dix-huit" },
            { "-36", "moins trente-six" },
            { "234.567", "deux cent trente-quatre virgule cinq six sept" }
        };

        doTest(formatter, testData, true);
    }

    /**
     * Perform a simple spot check on the Swiss French spellout rules
     */
    public void TestSwissFrenchSpellout() {
        RuleBasedNumberFormat formatter
            = new RuleBasedNumberFormat(new Locale("fr", "CH",
                                                   ""), RuleBasedNumberFormat.SPELLOUT);
        String[][] testData = {
            { "1", "un" },
            { "15", "quinze" },
            { "20", "vingt" },
            { "21", "vingt-et-un" },
            { "23", "vingt-trois" },
            { "62", "soixante-deux" },
            { "70", "septante" },
            { "71", "septante-et-un" },
            { "73", "septante-trois" },
            { "80", "huitante" },
            { "88", "huitante-huit" },
            { "100", "cent" },
            { "106", "cent six" },
            { "127", "cent vingt-sept" },
            { "200", "deux cents" },
            { "579", "cinq cent septante-neuf" },
            { "1,000", "mille" },
            { "1,123", "mille cent vingt-trois" },
            { "1,594", "mille cinq cent nonante-quatre" },
            { "2,000", "deux mille" },
            { "3,004", "trois mille quatre" },
            { "4,567", "quatre mille cinq cent soixante-sept" },
            { "15,943", "quinze mille neuf cent quarante-trois" },
            { "2,345,678", "deux millions trois cent quarante-cinq mille "
              + "six cent septante-huit" },
            { "-36", "moins trente-six" },
            { "234.567", "deux cent trente-quatre virgule cinq six sept" }
        };

        doTest(formatter, testData, true);
    }

    /**
     * Perform a simple spot check on the Italian spellout rules
     */
    public void TestItalianSpellout() {
        RuleBasedNumberFormat formatter
            = new RuleBasedNumberFormat(Locale.ITALIAN,
                                        RuleBasedNumberFormat.SPELLOUT);
        String[][] testData = {
            { "1", "uno" },
            { "15", "quindici" },
            { "20", "venti" },
            { "23", "venti\u00ADtr\u00E9" },
            { "73", "settanta\u00ADtr\u00E9" },
            { "88", "ottant\u00ADotto" },
            { "100", "cento" },
            { "106", "cento\u00ADsei" },
            { "108", "cent\u00ADotto" },
            { "127", "cento\u00ADventi\u00ADsette" },
            { "181", "cent\u00ADottant\u00ADuno" },
            { "200", "due\u00ADcento" },
            { "579", "cinque\u00ADcento\u00ADsettanta\u00ADnove" },
            { "1,000", "mille" },
            { "2,000", "due\u00ADmila" },
            { "3,004", "tre\u00ADmila\u00ADquattro" },
            { "4,567", "quattro\u00ADmila\u00ADcinque\u00ADcento\u00ADsessanta\u00ADsette" },
            { "15,943", "quindici\u00ADmila\u00ADnove\u00ADcento\u00ADquaranta\u00ADtr\u00E9" },
            { "-36", "meno trenta\u00ADsei" },
            { "234.567", "due\u00ADcento\u00ADtrenta\u00ADquattro virgola cinque sei sette" }
        };

        doTest(formatter, testData, true);
    }

    /**
     * Perform a simple spot check on the German spellout rules
     */
    public void TestGermanSpellout() {
        RuleBasedNumberFormat formatter
            = new RuleBasedNumberFormat(Locale.GERMANY,
                                        RuleBasedNumberFormat.SPELLOUT);
        String[][] testData = {
            { "1", "eins" },
            { "15", "f\u00fcnfzehn" },
            { "20", "zwanzig" },
            { "23", "drei\u00ADund\u00ADzwanzig" },
            { "73", "drei\u00ADund\u00ADsiebzig" },
            { "88", "acht\u00ADund\u00ADachtzig" },
            { "100", "ein\u00ADhundert" },
            { "106", "ein\u00ADhundert\u00ADsechs" },
            { "127", "ein\u00ADhundert\u00ADsieben\u00ADund\u00ADzwanzig" },
            { "200", "zwei\u00ADhundert" },
            { "579", "f\u00fcnf\u00ADhundert\u00ADneun\u00ADund\u00ADsiebzig" },
            { "1,000", "ein\u00ADtausend" },
            { "2,000", "zwei\u00ADtausend" },
            { "3,004", "drei\u00ADtausend\u00ADvier" },
            { "4,567", "vier\u00ADtausend\u00ADf\u00fcnf\u00ADhundert\u00ADsieben\u00ADund\u00ADsechzig" },
            { "15,943", "f\u00fcnfzehn\u00ADtausend\u00ADneun\u00ADhundert\u00ADdrei\u00ADund\u00ADvierzig" },
            { "2,345,678", "zwei Millionen drei\u00ADhundert\u00ADf\u00fcnf\u00ADund\u00ADvierzig\u00ADtausend\u00AD"
              + "sechs\u00ADhundert\u00ADacht\u00ADund\u00ADsiebzig" }
        };

        doTest(formatter, testData, true);
    }

    /**
     * Perform a simple spot check on the Thai spellout rules
     */
    public void TestThaiSpellout() {
        RuleBasedNumberFormat formatter
            = new RuleBasedNumberFormat(new Locale("th", "TH", ""),
                                        RuleBasedNumberFormat.SPELLOUT);
        String[][] testData = {
            { "0", "\u0e28\u0e39\u0e19\u0e22\u0e4c" },
            { "1", "\u0e2b\u0e19\u0e36\u0e48\u0e07" },
            { "10", "\u0e2a\u0e34\u0e1a" },
            { "11", "\u0e2a\u0e34\u0e1a\u200b\u0e40\u0e2d\u0e47\u0e14" },
            { "21", "\u0e22\u0e35\u0e48\u200b\u0e2a\u0e34\u0e1a\u200b\u0e40\u0e2d\u0e47\u0e14" },
            { "101", "\u0e2b\u0e19\u0e36\u0e48\u0e07\u200b\u0e23\u0e49\u0e2d\u0e22\u200b\u0e2b\u0e19\u0e36\u0e48\u0e07" },
            { "1.234", "\u0e2b\u0e19\u0e36\u0e48\u0e07\u200b\u0e08\u0e38\u0e14\u200b\u0e2a\u0e2d\u0e07\u0e2a\u0e32\u0e21\u0e2a\u0e35\u0e48" },
            { "21.45", "\u0e22\u0e35\u0e48\u200b\u0e2a\u0e34\u0e1a\u200b\u0e40\u0e2d\u0e47\u0e14\u200b\u0e08\u0e38\u0e14\u200b\u0e2a\u0e35\u0e48\u0e2b\u0e49\u0e32" },
            { "22.45", "\u0e22\u0e35\u0e48\u200b\u0e2a\u0e34\u0e1a\u200b\u0e2a\u0e2d\u0e07\u200b\u0e08\u0e38\u0e14\u200b\u0e2a\u0e35\u0e48\u0e2b\u0e49\u0e32" },
            { "23.45", "\u0e22\u0e35\u0e48\u200b\u0e2a\u0e34\u0e1a\u200b\u0e2a\u0e32\u0e21\u200b\u0e08\u0e38\u0e14\u200b\u0e2a\u0e35\u0e48\u0e2b\u0e49\u0e32" },
            { "123.45", "\u0e2b\u0e19\u0e36\u0e48\u0e07\u200b\u0e23\u0e49\u0e2d\u0e22\u200b\u0e22\u0e35\u0e48\u200b\u0e2a\u0e34\u0e1a\u200b\u0e2a\u0e32\u0e21\u200b\u0e08\u0e38\u0e14\u200b\u0e2a\u0e35\u0e48\u0e2b\u0e49\u0e32" },
            { "12,345.678", "\u0E2B\u0E19\u0E36\u0E48\u0E07\u200b\u0E2B\u0E21\u0E37\u0E48\u0E19\u200b\u0E2A\u0E2D\u0E07\u200b\u0E1E\u0E31\u0E19\u200b\u0E2A\u0E32\u0E21\u200b\u0E23\u0E49\u0E2D\u0E22\u200b\u0E2A\u0E35\u0E48\u200b\u0E2A\u0E34\u0E1A\u200b\u0E2B\u0E49\u0E32\u200b\u0E08\u0E38\u0E14\u200b\u0E2B\u0E01\u0E40\u0E08\u0E47\u0E14\u0E41\u0E1B\u0E14" },
        };

        doTest(formatter, testData, true);
    }

    public void TestFractionalRuleSet() {


        RuleBasedNumberFormat formatter =
            new RuleBasedNumberFormat(fracRules, Locale.ENGLISH);

        String[][] testData = {
            { "0", "0" },
            { "1", "1" },
            { "10", "10" },
            { ".1", "1/10" },
            { ".11", "1/9" },
            { ".125", "1/8" },
            { ".1428", "1/7" },
            { ".1667", "1/6" },
            { ".2", "1/5" },
            { ".25", "1/4" },
            { ".333", "1/3" },
            { ".5", "1/2" },
            { "1.1", "1 1/10" },
            { "2.11", "2 1/9" },
            { "3.125", "3 1/8" },
            { "4.1428", "4 1/7" },
            { "5.1667", "5 1/6" },
            { "6.2", "6 1/5" },
            { "7.25", "7 1/4" },
            { "8.333", "8 1/3" },
            { "9.5", "9 1/2" },
            { ".2222", "2/9" },
            { ".4444", "4/9" },
            { ".5555", "5/9" },
            { "1.2856", "1 2/7" }
        };
        doTest(formatter, testData, false); // exact values aren't parsable from fractions
    }

    public void TestSwedishSpellout()
    {
        Locale locale = new Locale("sv", "", "");
        RuleBasedNumberFormat formatter = new RuleBasedNumberFormat(locale, RuleBasedNumberFormat.SPELLOUT);

        String[][] testDataDefault = {
            { "101", "ett\u00ADhundra\u00ADett" },
            { "123", "ett\u00ADhundra\u00ADtjugo\u00ADtre" },
            { "1,001", "et\u00ADtusen ett" },
            { "1,100", "et\u00ADtusen ett\u00ADhundra" },
            { "1,101", "et\u00ADtusen ett\u00ADhundra\u00ADett" },
            { "1,234", "et\u00ADtusen tv\u00e5\u00ADhundra\u00ADtrettio\u00ADfyra" },
            { "10,001", "tio\u00ADtusen ett" },
            { "11,000", "elva\u00ADtusen" },
            { "12,000", "tolv\u00ADtusen" },
            { "20,000", "tjugo\u00ADtusen" },
            { "21,000", "tjugo\u00ADet\u00ADtusen" },
            { "21,001", "tjugo\u00ADet\u00ADtusen ett" },
            { "200,000", "tv\u00e5\u00ADhundra\u00ADtusen" },
            { "201,000", "tv\u00e5\u00ADhundra\u00ADet\u00ADtusen" },
            { "200,200", "tv\u00e5\u00ADhundra\u00ADtusen tv\u00e5\u00ADhundra" },
            { "2,002,000", "tv\u00e5 miljoner tv\u00e5\u00ADtusen" },
            { "12,345,678", "tolv miljoner tre\u00ADhundra\u00ADfyrtio\u00ADfem\u00ADtusen sex\u00ADhundra\u00ADsjuttio\u00AD\u00e5tta" },
            { "123,456.789", "ett\u00ADhundra\u00ADtjugo\u00ADtre\u00ADtusen fyra\u00ADhundra\u00ADfemtio\u00ADsex komma sju \u00e5tta nio" },
            { "-12,345.678", "minus tolv\u00ADtusen tre\u00ADhundra\u00ADfyrtio\u00ADfem komma sex sju \u00e5tta" },
        };

        logln("testing default rules");
        doTest(formatter, testDataDefault, true);

        String[][] testDataNeutrum = {
            { "101", "ett\u00adhundra\u00adett" },
            { "1,001", "et\u00adtusen ett" },
            { "1,101", "et\u00adtusen ett\u00adhundra\u00adett" },
            { "10,001", "tio\u00adtusen ett" },
            { "21,001", "tjugo\u00adet\u00adtusen ett" }
        };

        formatter.setDefaultRuleSet("%spellout-cardinal-neuter");
        logln("testing neutrum rules");
        doTest(formatter, testDataNeutrum, true);

        String[][] testDataYear = {
            { "101", "ett\u00adhundra\u00adett" },
            { "900", "nio\u00adhundra" },
            { "1,001", "et\u00adtusen ett" },
            { "1,100", "elva\u00adhundra" },
            { "1,101", "elva\u00adhundra\u00adett" },
            { "1,234", "tolv\u00adhundra\u00adtrettio\u00adfyra" },
            { "2,001", "tjugo\u00adhundra\u00adett" },
            { "10,001", "tio\u00adtusen ett" }
        };

        formatter.setDefaultRuleSet("%spellout-numbering-year");
        logln("testing year rules");
        doTest(formatter, testDataYear, true);
    }

    public void TestBigNumbers() {
        BigInteger bigI = new BigInteger("1234567890", 10);
        StringBuffer buf = new StringBuffer();
        RuleBasedNumberFormat fmt = new RuleBasedNumberFormat(RuleBasedNumberFormat.SPELLOUT);
        fmt.format(bigI, buf, null);
        logln("big int: " + buf.toString());

        buf.setLength(0);
        java.math.BigDecimal bigD = new java.math.BigDecimal(bigI);
        fmt.format(bigD, buf, null);
        logln("big dec: " + buf.toString());
    }

  public void TestTrailingSemicolon() {
    String thaiRules = 
        "%default:\n" +
        "  -x: \u0e25\u0e1a>>;\n" +
        "  x.x: <<\u0e08\u0e38\u0e14>>>;\n" +
        "  \u0e28\u0e39\u0e19\u0e22\u0e4c; \u0e2b\u0e19\u0e36\u0e48\u0e07; \u0e2a\u0e2d\u0e07; \u0e2a\u0e32\u0e21;\n" +
        "  \u0e2a\u0e35\u0e48; \u0e2b\u0e49\u0e32; \u0e2b\u0e01; \u0e40\u0e08\u0e47\u0e14; \u0e41\u0e1b\u0e14;\n" +
        "  \u0e40\u0e01\u0e49\u0e32; \u0e2a\u0e34\u0e1a; \u0e2a\u0e34\u0e1a\u0e40\u0e2d\u0e47\u0e14;\n" +
        "  \u0e2a\u0e34\u0e1a\u0e2a\u0e2d\u0e07; \u0e2a\u0e34\u0e1a\u0e2a\u0e32\u0e21;\n" +
        "  \u0e2a\u0e34\u0e1a\u0e2a\u0e35\u0e48; \u0e2a\u0e34\u0e1a\u0e2b\u0e49\u0e32;\n" +
        "  \u0e2a\u0e34\u0e1a\u0e2b\u0e01; \u0e2a\u0e34\u0e1a\u0e40\u0e08\u0e47\u0e14;\n" +
        "  \u0e2a\u0e34\u0e1a\u0e41\u0e1b\u0e14; \u0e2a\u0e34\u0e1a\u0e40\u0e01\u0e49\u0e32;\n" +
        "  20: \u0e22\u0e35\u0e48\u0e2a\u0e34\u0e1a[>%%alt-ones>];\n" +
        "  30: \u0e2a\u0e32\u0e21\u0e2a\u0e34\u0e1a[>%%alt-ones>];\n" +
        "  40: \u0e2a\u0e35\u0e48\u0e2a\u0e34\u0e1a[>%%alt-ones>];\n" +
        "  50: \u0e2b\u0e49\u0e32\u0e2a\u0e34\u0e1a[>%%alt-ones>];\n" +
        "  60: \u0e2b\u0e01\u0e2a\u0e34\u0e1a[>%%alt-ones>];\n" +
        "  70: \u0e40\u0e08\u0e47\u0e14\u0e2a\u0e34\u0e1a[>%%alt-ones>];\n" +
        "  80: \u0e41\u0e1b\u0e14\u0e2a\u0e34\u0e1a[>%%alt-ones>];\n" +
        "  90: \u0e40\u0e01\u0e49\u0e32\u0e2a\u0e34\u0e1a[>%%alt-ones>];\n" +
        "  100: <<\u0e23\u0e49\u0e2d\u0e22[>>];\n" +
        "  1000: <<\u0e1e\u0e31\u0e19[>>];\n" +
        "  10000: <<\u0e2b\u0e21\u0e37\u0e48\u0e19[>>];\n" +
        "  100000: <<\u0e41\u0e2a\u0e19[>>];\n" +
        "  1,000,000: <<\u0e25\u0e49\u0e32\u0e19[>>];\n" +
        "  1,000,000,000: <<\u0e1e\u0e31\u0e19\u0e25\u0e49\u0e32\u0e19[>>];\n" +
        "  1,000,000,000,000: <<\u0e25\u0e49\u0e32\u0e19\u0e25\u0e49\u0e32\u0e19[>>];\n" +
        "  1,000,000,000,000,000: =#,##0=;\n" +
        "%%alt-ones:\n" +
        "  \u0e28\u0e39\u0e19\u0e22\u0e4c;\n" +
        "  \u0e40\u0e2d\u0e47\u0e14;\n" +
        "  =%default=;\n ; ;; ";

        RuleBasedNumberFormat formatter
            = new RuleBasedNumberFormat(thaiRules, new Locale("th", "TH", ""));

        String[][] testData = {
            { "0", "\u0e28\u0e39\u0e19\u0e22\u0e4c" },
            { "1", "\u0e2b\u0e19\u0e36\u0e48\u0e07" },
            { "123.45", "\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e23\u0e49\u0e2d\u0e22\u0e22\u0e35\u0e48\u0e2a\u0e34\u0e1a\u0e2a\u0e32\u0e21\u0e08\u0e38\u0e14\u0e2a\u0e35\u0e48\u0e2b\u0e49\u0e32" }
        };
        
        doTest(formatter, testData, true);
    }

    public void TestSmallValues() {
    String[][] testData = {
        { "0.001", "zero point zero zero one" },
        { "0.0001", "zero point zero zero zero one" },
        { "0.00001", "zero point zero zero zero zero one" },
        { "0.000001", "zero point zero zero zero zero zero one" },
        { "0.0000001", "zero point zero zero zero zero zero zero one" },
        { "0.00000001", "zero point zero zero zero zero zero zero zero one" },
        { "0.000000001", "zero point zero zero zero zero zero zero zero zero one" },
        { "0.0000000001", "zero point zero zero zero zero zero zero zero zero zero one" },
        { "0.00000000001", "zero point zero zero zero zero zero zero zero zero zero zero one" },
        { "0.000000000001", "zero point zero zero zero zero zero zero zero zero zero zero zero one" },
        { "0.0000000000001", "zero point zero zero zero zero zero zero zero zero zero zero zero zero one" },
        { "0.00000000000001", "zero point zero zero zero zero zero zero zero zero zero zero zero zero zero one" },
        { "0.000000000000001", "zero point zero zero zero zero zero zero zero zero zero zero zero zero zero zero one" },
        { "10,000,000.001", "ten million point zero zero one" },
        { "10,000,000.0001", "ten million point zero zero zero one" },
        { "10,000,000.00001", "ten million point zero zero zero zero one" },
        { "10,000,000.000001", "ten million point zero zero zero zero zero one" },
        { "10,000,000.0000001", "ten million point zero zero zero zero zero zero one" },
        { "10,000,000.00000001", "ten million point zero zero zero zero zero zero zero one" },
        { "10,000,000.000000002", "ten million point zero zero zero zero zero zero zero zero two" },
        { "10,000,000", "ten million" },
        { "1,234,567,890.0987654", "one billion two hundred thirty-four million five hundred sixty-seven thousand eight hundred ninety point zero nine eight seven six five four" },
        { "123,456,789.9876543", "one hundred twenty-three million four hundred fifty-six thousand seven hundred eighty-nine point nine eight seven six five four three" },
        { "12,345,678.87654321", "twelve million three hundred forty-five thousand six hundred seventy-eight point eight seven six five four three two one" },
        { "1,234,567.7654321", "one million two hundred thirty-four thousand five hundred sixty-seven point seven six five four three two one" },
        { "123,456.654321", "one hundred twenty-three thousand four hundred fifty-six point six five four three two one" },
        { "12,345.54321", "twelve thousand three hundred forty-five point five four three two one" },
        { "1,234.4321", "one thousand two hundred thirty-four point four three two one" },
        { "123.321", "one hundred twenty-three point three two one" },
        { "0.0000000011754944", "zero point zero zero zero zero zero zero zero zero one one seven five four nine four four" },
        { "0.000001175494351", "zero point zero zero zero zero zero one one seven five four nine four three five one" },
    };

    RuleBasedNumberFormat formatter
        = new RuleBasedNumberFormat(Locale.US, RuleBasedNumberFormat.SPELLOUT);
    doTest(formatter, testData, true);
    }

    public void TestRuleSetDisplayName() {
        ULocale.setDefault(ULocale.US);
        String[][] localizations = new String[][] {
            /* public rule sets*/
            {"%simplified", "%default", "%ordinal"},
            /* display names in "en_US" locale*/
            {"en_US", "Simplified", "Default", "Ordinal"},
            /* display names in "zh_Hans" locale*/
            {"zh_Hans", "\u7B80\u5316", "\u7F3A\u7701",  "\u5E8F\u5217"},
            /* display names in a fake locale*/
            {"foo_Bar_BAZ", "Simplified", "Default", "Ordinal"}
        };
        
        //Construct RuleBasedNumberFormat by rule sets and localizations list
        RuleBasedNumberFormat formatter
            = new RuleBasedNumberFormat(ukEnglish, localizations, ULocale.US);
        RuleBasedNumberFormat f2= new RuleBasedNumberFormat(ukEnglish, localizations);
        assertTrue("Check the two formatters' equality", formatter.equals(f2));        

        //get displayName by name
        String[] ruleSetNames = formatter.getRuleSetNames();
        for (int i=0; i<ruleSetNames.length; i++) {
            logln("Rule set name: " + ruleSetNames[i]);
            String RSName_defLoc = formatter.getRuleSetDisplayName(ruleSetNames[i]);
            assertEquals("Display name in default locale", localizations[1][i+1], RSName_defLoc);
            String RSName_loc = formatter.getRuleSetDisplayName(ruleSetNames[i], ULocale.CHINA);
            assertEquals("Display name in Chinese", localizations[2][i+1], RSName_loc);
        }
                
        // getDefaultRuleSetName
        String defaultRS = formatter.getDefaultRuleSetName();
        //you know that the default rule set is %simplified according to rule sets string ukEnglish
        assertEquals("getDefaultRuleSetName", "%simplified", defaultRS);
        
        //get locales of localizations
        ULocale[] locales = formatter.getRuleSetDisplayNameLocales();
        for (int i=0; i<locales.length; i++) {
            logln(locales[i].getName());
        }
        
        //get displayNames
        String[] RSNames_defLoc = formatter.getRuleSetDisplayNames();
        for (int i=0; i<RSNames_defLoc.length; i++) {
            assertEquals("getRuleSetDisplayNames in default locale", localizations[1][i+1], RSNames_defLoc[i]);
        }
        
        String[] RSNames_loc = formatter.getRuleSetDisplayNames(ULocale.UK);
        for (int i=0; i<RSNames_loc.length; i++) {
            assertEquals("getRuleSetDisplayNames in English", localizations[1][i+1], RSNames_loc[i]);
        }    
        
        RSNames_loc = formatter.getRuleSetDisplayNames(ULocale.CHINA);
        for (int i=0; i<RSNames_loc.length; i++) {
            assertEquals("getRuleSetDisplayNames in Chinese", localizations[2][i+1], RSNames_loc[i]);
        }        

        RSNames_loc = formatter.getRuleSetDisplayNames(new ULocale("foo_Bar_BAZ"));
        for (int i=0; i<RSNames_loc.length; i++) {
            assertEquals("getRuleSetDisplayNames in fake locale", localizations[3][i+1], RSNames_loc[i]);
        }              
    }

    public void TestAllLocales() {
        StringBuffer errors = null;
        ULocale[] locales = ULocale.getAvailableLocales();
        String[] names = {
            " (spellout) ",
            " (ordinal)  ",
            " (duration) "
        };
        double[] numbers = {45.678, 1, 2, 10, 11, 100, 110, 200, 1000, 1111, -1111};
        Random r = null;

        // RBNF parse is extremely slow when lenient option is enabled.
        // For non-exhaustive mode, we only test a few locales.
        // "nl_NL", "be" had crash problem reported by #6534
        String[] parseLocales = {"en_US", "nl_NL", "be"};

        for (int i = 0; i < locales.length; ++i) {
            ULocale loc = locales[i];
            int count = numbers.length;
            boolean testParse = true;
            if (getInclusion() <= 5) {
                testParse = false;
                for (int k = 0; k < parseLocales.length; k++) {
                    if (loc.toString().equals(parseLocales[k])) {
                        testParse = true;
                        break;
                    }
                }
            } else {
                //RBNF parse is too slow.  Increase count only for debugging purpose for now.
                //count = 100;
            }

            for (int j = 0; j < 3; ++j) {
                RuleBasedNumberFormat fmt = new RuleBasedNumberFormat(loc, j+1);

                for (int c = 0; c < count; c++) {
                    double n;
                    if (c < numbers.length) {
                        n = numbers[c];
                    } else {
                        if (r == null) {
                            r = createRandom();
                        }
                        n = ((int)(r.nextInt(10000) - 3000)) / 16d;
                    }

                    String s = fmt.format(n);
                    logln(loc.getName() + names[j] + "success format: " + n + " -> " + s);

                    if (testParse) {
                        // We do not validate the result in this test case,
                        // because there are cases which do not round trip by design.
                        try {
                            // non-lenient parse
                            fmt.setLenientParseMode(false);
                            Number num = fmt.parse(s);
                            logln(loc.getName() + names[j] + "success parse: " + s + " -> " + num);
                        } catch (ParseException pe) {
                            String msg = loc.getName() + names[j] + "ERROR:" + pe.getMessage();
                            logln(msg);
                            if (errors == null) {
                                errors = new StringBuffer();
                            }
                            errors.append("\n" + msg);
                        }
                    }
                }
            }
        }
        if (errors != null) {
            //TODO: We need to fix parse problems - see #6895 / #6896
            //errln(errors.toString());
            logln(errors.toString());
        }
    }

    void doTest(RuleBasedNumberFormat formatter, String[][] testData,
                boolean testParsing) {
    //        NumberFormat decFmt = NumberFormat.getInstance(Locale.US);
    NumberFormat decFmt = new DecimalFormat("#,###.################");
        try {
            for (int i = 0; i < testData.length; i++) {
                String number = testData[i][0];
                String expectedWords = testData[i][1];
                logln("test[" + i + "] number: " + number + " target: " + expectedWords);
                Number num = decFmt.parse(number);
                String actualWords = formatter.format(num);

                if (!actualWords.equals(expectedWords)) {
                    errln("Spot check format failed: for " + number + ", expected\n    "
                          + expectedWords + ", but got\n    " +
                          actualWords);
                }
                else if (testParsing) {
                    String actualNumber = decFmt.format(formatter
                                                        .parse(actualWords));

                    if (!actualNumber.equals(number)) {
                        errln("Spot check parse failed: for " + actualWords +
                              ", expected " + number + ", but got " +
                              actualNumber);
                    }
                }
            }
        }
        catch (Throwable e) {
            e.printStackTrace();
            errln("Test failed with exception: " + e.toString());
        }
    }

    /**
     * Spellout rules for U.K. English.  
     * I borrow the rule sets for TestRuleSetDisplayName()
     */
    public static final String ukEnglish =
        "%simplified:\n"
        + "    -x: minus >>;\n"
        + "    x.x: << point >>;\n"
        + "    zero; one; two; three; four; five; six; seven; eight; nine;\n"
        + "    ten; eleven; twelve; thirteen; fourteen; fifteen; sixteen;\n"
        + "        seventeen; eighteen; nineteen;\n"
        + "    20: twenty[->>];\n"
        + "    30: thirty[->>];\n"
        + "    40: forty[->>];\n"
        + "    50: fifty[->>];\n"
        + "    60: sixty[->>];\n"
        + "    70: seventy[->>];\n"
        + "    80: eighty[->>];\n"
        + "    90: ninety[->>];\n"
        + "    100: << hundred[ >>];\n"
        + "    1000: << thousand[ >>];\n"
        + "    1,000,000: << million[ >>];\n"
        + "    1,000,000,000,000: << billion[ >>];\n"
        + "    1,000,000,000,000,000: =#,##0=;\n"
        + "%alt-teens:\n"
        + "    =%simplified=;\n"
        + "    1000>: <%%alt-hundreds<[ >>];\n"
        + "    10,000: =%simplified=;\n"
        + "    1,000,000: << million[ >%simplified>];\n"
        + "    1,000,000,000,000: << billion[ >%simplified>];\n"
        + "    1,000,000,000,000,000: =#,##0=;\n"
        + "%%alt-hundreds:\n"
        + "    0: SHOULD NEVER GET HERE!;\n"
        + "    10: <%simplified< thousand;\n"
        + "    11: =%simplified= hundred>%%empty>;\n"
        + "%%empty:\n"
        + "    0:;"
        + "%ordinal:\n"
        + "    zeroth; first; second; third; fourth; fifth; sixth; seventh;\n"
        + "        eighth; ninth;\n"
        + "    tenth; eleventh; twelfth; thirteenth; fourteenth;\n"
        + "        fifteenth; sixteenth; seventeenth; eighteenth;\n"
        + "        nineteenth;\n"
        + "    twentieth; twenty->>;\n"
        + "    30: thirtieth; thirty->>;\n"
        + "    40: fortieth; forty->>;\n"
        + "    50: fiftieth; fifty->>;\n"
        + "    60: sixtieth; sixty->>;\n"
        + "    70: seventieth; seventy->>;\n"
        + "    80: eightieth; eighty->>;\n"
        + "    90: ninetieth; ninety->>;\n"
        + "    100: <%simplified< hundredth; <%simplified< hundred >>;\n"
        + "    1000: <%simplified< thousandth; <%simplified< thousand >>;\n"
        + "    1,000,000: <%simplified< millionth; <%simplified< million >>;\n"
        + "    1,000,000,000,000: <%simplified< billionth;\n"
        + "        <%simplified< billion >>;\n"
        + "    1,000,000,000,000,000: =#,##0=;"
        + "%default:\n"
        + "    -x: minus >>;\n"
        + "    x.x: << point >>;\n"
        + "    =%simplified=;\n"
        + "    100: << hundred[ >%%and>];\n"
        + "    1000: << thousand[ >%%and>];\n"
        + "    100,000>>: << thousand[>%%commas>];\n"
        + "    1,000,000: << million[>%%commas>];\n"
        + "    1,000,000,000,000: << billion[>%%commas>];\n"
        + "    1,000,000,000,000,000: =#,##0=;\n"
        + "%%and:\n"
        + "    and =%default=;\n"
        + "    100: =%default=;\n"
        + "%%commas:\n"
        + "    ' and =%default=;\n"
        + "    100: , =%default=;\n"
        + "    1000: , <%default< thousand, >%default>;\n"
        + "    1,000,000: , =%default=;"
        + "%%lenient-parse:\n"
        + "    & ' ' , ',' ;\n";
    
    /* Tests the method
     *      public boolean equals(Object that)
     */
    public void TestEquals(){
        // Tests when "if (!(that instanceof RuleBasedNumberFormat))" is true
        RuleBasedNumberFormat rbnf = new RuleBasedNumberFormat("dummy");
        if( rbnf.equals(new String("dummy")) != false ||
            rbnf.equals(new Character('a')) != false ||
            rbnf.equals(new Object()) != false ||
            rbnf.equals(-1) != false ||
            rbnf.equals(0) != false ||
            rbnf.equals(1) != false ||
            rbnf.equals(-1.0) != false ||
            rbnf.equals(0.0) != false ||
            rbnf.equals(1.0) != false){
            errln("RuleBasedNumberFormat.equals(Object that) was suppose to " +
                    "be false for an invalid object.");
        }
        
        // Tests when
        // "if (!locale.equals(that2.locale) || lenientParse != that2.lenientParse)"
        // is true
        RuleBasedNumberFormat rbnf1 = new RuleBasedNumberFormat("dummy", new Locale("en"));
        RuleBasedNumberFormat rbnf2 = new RuleBasedNumberFormat("dummy", new Locale("jp"));
        RuleBasedNumberFormat rbnf3 = new RuleBasedNumberFormat("dummy", new Locale("sp"));
        RuleBasedNumberFormat rbnf4 = new RuleBasedNumberFormat("dummy", new Locale("fr"));
        
        if(rbnf1.equals(rbnf2) != false || rbnf1.equals(rbnf3) != false ||
                rbnf1.equals(rbnf4) != false || rbnf2.equals(rbnf3) != false ||
                rbnf2.equals(rbnf4) != false || rbnf3.equals(rbnf4) != false){
            errln("RuleBasedNumberFormat.equals(Object that) was suppose to " +
            "be false for an invalid object.");
        }
        
        if(rbnf1.equals(rbnf1) == false){
            errln("RuleBasedNumberFormat.equals(Object that) was not suppose to " +
            "be false for an invalid object.");
        }
        
        if(rbnf2.equals(rbnf2) == false){
            errln("RuleBasedNumberFormat.equals(Object that) was not suppose to " +
            "be false for an invalid object.");
        }
        
        if(rbnf3.equals(rbnf3) == false){
            errln("RuleBasedNumberFormat.equals(Object that) was not suppose to " +
            "be false for an invalid object.");
        }
        
        if(rbnf4.equals(rbnf4) == false){
            errln("RuleBasedNumberFormat.equals(Object that) was not suppose to " +
            "be false for an invalid object.");
        }
        
        RuleBasedNumberFormat rbnf5 = new RuleBasedNumberFormat("dummy", new Locale("en"));
        RuleBasedNumberFormat rbnf6 = new RuleBasedNumberFormat("dummy", new Locale("en"));
        
        if(rbnf5.equals(rbnf6) == false){
            errln("RuleBasedNumberFormat.equals(Object that) was not suppose to " +
            "be false for an invalid object.");
        }
        rbnf6.setLenientParseMode(true);
        
        if(rbnf5.equals(rbnf6) != false){
            errln("RuleBasedNumberFormat.equals(Object that) was suppose to " +
            "be false for an invalid object.");
        }

        // Tests when "if (!ruleSets[i].equals(that2.ruleSets[i]))" is true
        RuleBasedNumberFormat rbnf7 = new RuleBasedNumberFormat("not_dummy", new Locale("en"));
        if(rbnf5.equals(rbnf7) != false){
            errln("RuleBasedNumberFormat.equals(Object that) was suppose to " +
            "be false for an invalid object.");
        }
    }
    
    /* Tests the method
     *      public ULocale[] getRuleSetDisplayNameLocales()
     */
    public void TestGetRuleDisplayNameLocales(){
        // Tests when "if (ruleSetDisplayNames != null" is false
        RuleBasedNumberFormat rbnf = new RuleBasedNumberFormat("dummy");
        rbnf.getRuleSetDisplayNameLocales();
        if(rbnf.getRuleSetDisplayNameLocales() != null){
            errln("RuleBasedNumberFormat.getRuleDisplayNameLocales() was suppose to " +
            "return null.");
        }
    }
    
    /* Tests the method
     *      private String[] getNameListForLocale(ULocale loc)
     *      public String[] getRuleSetDisplayNames(ULocale loc)
     */
    public void TestGetNameListForLocale(){
        // Tests when "if (names != null)" is false and
        //  "if (loc != null && ruleSetDisplayNames != null)" is false
        RuleBasedNumberFormat rbnf = new RuleBasedNumberFormat("dummy");
        rbnf.getRuleSetDisplayNames(null);
        try{
            rbnf.getRuleSetDisplayNames(null);
        } catch(Exception e){
            errln("RuleBasedNumberFormat.getRuleSetDisplayNames(ULocale loc) " +
                    "was not suppose to have an exception.");
        }
    }

    /* Tests the method
     *      public String getRuleSetDisplayName(String ruleSetName, ULocale loc)
     */
    public void TestGetRulesSetDisplayName(){
        RuleBasedNumberFormat rbnf = new RuleBasedNumberFormat("dummy");
        //rbnf.getRuleSetDisplayName("dummy", new ULocale("en_US"));
        
        // Tests when "if (names != null) " is true

        // Tests when the method throws an exception
        try{
            rbnf.getRuleSetDisplayName("", new ULocale("en_US"));
            errln("RuleBasedNumberFormat.getRuleSetDisplayName(String ruleSetName, ULocale loc) " +
                "was suppose to have an exception.");
        } catch(Exception e){}
        
        try{
            rbnf.getRuleSetDisplayName("dummy", new ULocale("en_US"));
            errln("RuleBasedNumberFormat.getRuleSetDisplayName(String ruleSetName, ULocale loc) " +
                "was suppose to have an exception.");
        } catch(Exception e){}
    }
    
    /* Test the method
     *      public void process(StringBuffer buf, NFRuleSet ruleSet)
     */
    public void TestChineseProcess(){
        String ruleWithChinese =
            "%simplified:\n"
            + "    -x: minus >>;\n"
            + "    x.x: << point >>;\n"
            + "    zero; one; two; three; four; five; six; seven; eight; nine;\n"
            + "    ten; eleven; twelve; thirteen; fourteen; fifteen; sixteen;\n"
            + "        seventeen; eighteen; nineteen;\n"
            + "    20: twenty[->>];\n"
            + "    30: thirty[->>];\n"
            + "    40: forty[->>];\n"
            + "    50: fifty[->>];\n"
            + "    60: sixty[->>];\n"
            + "    70: seventy[->>];\n"
            + "    80: eighty[->>];\n"
            + "    90: ninety[->>];\n"
            + "    100: << hundred[ >>];\n"
            + "    1000: << thousand[ >>];\n"
            + "    1,000,000: << million[ >>];\n"
            + "    1,000,000,000,000: << billion[ >>];\n"
            + "    1,000,000,000,000,000: =#,##0=;\n"
            + "%alt-teens:\n"
            + "    =%simplified=;\n"
            + "    1000>: <%%alt-hundreds<[ >>];\n"
            + "    10,000: =%simplified=;\n"
            + "    1,000,000: << million[ >%simplified>];\n"
            + "    1,000,000,000,000: << billion[ >%simplified>];\n"
            + "    1,000,000,000,000,000: =#,##0=;\n"
            + "%%alt-hundreds:\n"
            + "    0: SHOULD NEVER GET HERE!;\n"
            + "    10: <%simplified< thousand;\n"
            + "    11: =%simplified= hundred>%%empty>;\n"
            + "%%empty:\n"
            + "    0:;"
            + "%accounting:\n"
            + "    \u842c; \u842c; \u842c; \u842c; \u842c; \u842c; \u842c; \u842c;\n"
            + "        \u842c; \u842c;\n"
            + "    \u842c; \u842c; \u842c; \u842c; \u842c;\n"
            + "        \u842c; \u842c; \u842c; \u842c;\n"
            + "        \u842c;\n"
            + "    twentieth; \u96f6|>>;\n"
            + "    30: \u96f6; \u96f6|>>;\n"
            + "    40: \u96f6; \u96f6|>>;\n"
            + "    50: \u96f6; \u96f6|>>;\n"
            + "    60: \u96f6; \u96f6|>>;\n"
            + "    70: \u96f6; \u96f6|>>;\n"
            + "    80: \u96f6; \u96f6|>>;\n"
            + "    90: \u96f6; \u96f6|>>;\n"
            + "    100: <%simplified< \u96f6; <%simplified< \u96f6 >>;\n"
            + "    1000: <%simplified< \u96f6; <%simplified< \u96f6 >>;\n"
            + "    1,000,000: <%simplified< \u96f6; <%simplified< \u96f6 >>;\n"
            + "    1,000,000,000,000: <%simplified< \u96f6;\n"
            + "        <%simplified< \u96f6 >>;\n"
            + "    1,000,000,000,000,000: =#,##0=;"
            + "%default:\n"
            + "    -x: minus >>;\n"
            + "    x.x: << point >>;\n"
            + "    =%simplified=;\n"
            + "    100: << hundred[ >%%and>];\n"
            + "    1000: << thousand[ >%%and>];\n"
            + "    100,000>>: << thousand[>%%commas>];\n"
            + "    1,000,000: << million[>%%commas>];\n"
            + "    1,000,000,000,000: << billion[>%%commas>];\n"
            + "    1,000,000,000,000,000: =#,##0=;\n"
            + "%%and:\n"
            + "    and =%default=;\n"
            + "    100: =%default=;\n"
            + "%%commas:\n"
            + "    ' and =%default=;\n"
            + "    100: , =%default=;\n"
            + "    1000: , <%default< thousand, >%default>;\n"
            + "    1,000,000: , =%default=;"
            + "%traditional:\n"
            + "    -x: \u3007| >>;\n"
            + "    x.x: << \u9ede >>;\n"
            + "    \u842c; \u842c; \u842c; \u842c; \u842c; \u842c; \u842c; \u842c; \u842c; \u842c;\n"
            + "    \u842c; \u842c; \u842c; \u842c; \u842c; \u842c; \u842c;\n"
            + "        \u842c; \u842c; \u842c;\n"
            + "    20: \u842c[->>];\n"
            + "    30: \u842c[->>];\n"
            + "    40: \u842c[->>];\n"
            + "    50: \u842c[->>];\n"
            + "    60: \u842c[->>];\n"
            + "    70: \u842c[->>];\n"
            + "    80: \u842c[->>];\n"
            + "    90: \u842c[->>];\n"
            + "    100: << \u842c[ >>];\n"
            + "    1000: << \u842c[ >>];\n"
            + "    1,000,000: << \u842c[ >>];\n"
            + "    1,000,000,000,000: << \u842c[ >>];\n"
            + "    1,000,000,000,000,000: =#,##0=;\n"
            + "%time:\n"
            + "    =0= sec.;\n"
            + "    60: =%%min-sec=;\n"
            + "    3600: =%%hr-min-sec=;\n"
            + "%%min-sec:\n"
            + "    0: *=00=;\n"
            + "    60/60: <0<>>;\n"
            + "%%hr-min-sec:\n"
            + "    0: *=00=;\n"
            + "    60/60: <00<>>;\n"
            + "    3600/60: <#,##0<:>>>;\n"
            + "%%post-process:com.ibm.icu.text.RBNFChinesePostProcessor\n";
        
        RuleBasedNumberFormat rbnf =  new RuleBasedNumberFormat(ruleWithChinese, ULocale.CHINESE);
        String[] ruleNames = rbnf.getRuleSetNames();
        try{
            // Test with "null" rules
            rbnf.format(0.0,null);
            errln("This was suppose to return an exception for a null format");
        } catch(Exception e){}
        for(int i=0; i<ruleNames.length; i++){
            try{
                rbnf.format(-123450.6789,ruleNames[i]);
            } catch(Exception e){
                errln("RBNFChinesePostProcessor was not suppose to return an exception " +
                        "when being formatted with parameters 0.0 and " + ruleNames[i]);
            }
        }
    }
    
    public void TestSetDecimalFormatSymbols() {
        RuleBasedNumberFormat rbnf = new RuleBasedNumberFormat(Locale.ENGLISH, RuleBasedNumberFormat.ORDINAL);

        DecimalFormatSymbols dfs = new DecimalFormatSymbols(Locale.ENGLISH);

        double number = 1001;

        String[] expected = { "1,001st", "1&001st" };

        String result = rbnf.format(number);
        if (!result.equals(expected[0])) {
            errln("Format Error - Got: " + result + " Expected: " + expected[0]);
        }

        /* Set new symbol for testing */
        dfs.setGroupingSeparator('&');
        rbnf.setDecimalFormatSymbols(dfs);

        result = rbnf.format(number);
        if (!result.equals(expected[1])) {
            errln("Format Error - Got: " + result + " Expected: " + expected[1]);
        }
    }
    
    public void TestContext() {
        class TextContextItem {
            public String locale;
            public int format;
            public DisplayContext context;
            public double value;
            public String expectedResult;
             // Simple constructor
            public TextContextItem(String loc, int fmt, DisplayContext ctxt, double val, String expRes) {
                locale = loc;
                format = fmt;
                context = ctxt;
                value = val;
                expectedResult = expRes;
            }
        };
        final TextContextItem[] items = {
            new TextContextItem( "sv", RuleBasedNumberFormat.SPELLOUT, DisplayContext.CAPITALIZATION_FOR_MIDDLE_OF_SENTENCE,    123.45, "ett\u00ADhundra\u00ADtjugo\u00ADtre komma fyra fem" ),
            new TextContextItem( "sv", RuleBasedNumberFormat.SPELLOUT, DisplayContext.CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE, 123.45, "Ett\u00ADhundra\u00ADtjugo\u00ADtre komma fyra fem" ),
            new TextContextItem( "sv", RuleBasedNumberFormat.SPELLOUT, DisplayContext.CAPITALIZATION_FOR_UI_LIST_OR_MENU,       123.45, "ett\u00ADhundra\u00ADtjugo\u00ADtre komma fyra fem" ),
            new TextContextItem( "sv", RuleBasedNumberFormat.SPELLOUT, DisplayContext.CAPITALIZATION_FOR_STANDALONE,            123.45, "ett\u00ADhundra\u00ADtjugo\u00ADtre komma fyra fem" ),
            new TextContextItem( "en", RuleBasedNumberFormat.SPELLOUT, DisplayContext.CAPITALIZATION_FOR_MIDDLE_OF_SENTENCE,    123.45, "one hundred twenty-three point four five" ),
            new TextContextItem( "en", RuleBasedNumberFormat.SPELLOUT, DisplayContext.CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE, 123.45, "One hundred twenty-three point four five" ),
            new TextContextItem( "en", RuleBasedNumberFormat.SPELLOUT, DisplayContext.CAPITALIZATION_FOR_UI_LIST_OR_MENU,       123.45, "One hundred twenty-three point four five" ),
            new TextContextItem( "en", RuleBasedNumberFormat.SPELLOUT, DisplayContext.CAPITALIZATION_FOR_STANDALONE,            123.45, "One hundred twenty-three point four five" ),
        };
        for (TextContextItem item: items) {
            ULocale locale = new ULocale(item.locale);
            RuleBasedNumberFormat rbnf = new RuleBasedNumberFormat(locale, item.format);
            rbnf.setContext(item.context);
            String result = rbnf.format(item.value, rbnf.getDefaultRuleSetName());
            if (!result.equals(item.expectedResult)) {
                errln("Error for locale " + item.locale + ", context " + item.context + ", expected " + item.expectedResult + ", got " + result);
            }
            RuleBasedNumberFormat rbnfClone = (RuleBasedNumberFormat)rbnf.clone();
            if (!rbnfClone.equals(rbnf)) {
                errln("Error for locale " + item.locale + ", context " + item.context + ", rbnf.clone() != rbnf");
            } else {
                result = rbnfClone.format(item.value, rbnfClone.getDefaultRuleSetName());
                if (!result.equals(item.expectedResult)) {
                    errln("Error with clone for locale " + item.locale + ", context " + item.context + ", expected " + item.expectedResult + ", got " + result);
                }
            }
        }
    }

}