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Java example source code file (LocaleTest.java)

This example Java source code file (LocaleTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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Java - Java tags/keywords

croatian, english, france, french, got, greek, italian, locale, max_locales, norwegian, string, text, util

The LocaleTest.java Java example source code

/*
 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
/**
 * @test
 * @bug 4052404 4052440 4084688 4092475 4101316 4105828 4107014 4107953 4110613
 * 4118587 4118595 4122371 4126371 4126880 4135316 4135752 4139504 4139940 4143951
 * 4147315 4147317 4147552 4335196 4778440 4940539 5010672 6475525 6544471 6627549
 * 6786276 7066203 7085757
 * @summary test Locales
 */
/*
 *
 *
 * (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved
 * (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved
 *
 * Portions copyright (c) 2007 Sun Microsystems, Inc.
 * All Rights Reserved.
 *
 * The original version of this source code and documentation
 * is copyrighted and owned by Taligent, Inc., a wholly-owned
 * subsidiary of IBM. These materials are provided under terms
 * of a License Agreement between Taligent and Sun. This technology
 * is protected by multiple US and International patents.
 *
 * This notice and attribution to Taligent may not be removed.
 * Taligent is a registered trademark of Taligent, Inc.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for NON-COMMERCIAL purposes and without
 * fee is hereby granted provided that this copyright notice
 * appears in all copies. Please refer to the file "copyright.html"
 * for further important copyright and licensing information.
 *
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 *
 */

import java.text.*;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.Date;
import java.util.Calendar;
import java.io.*;

public class LocaleTest extends LocaleTestFmwk {
    public LocaleTest() {
    }

    private int ENGLISH = 0;
    private int FRENCH = 1;
    private int CROATIAN = 2;
    private int GREEK = 3;
    private int NORWEGIAN = 4;
    private int ITALIAN = 5;
    private int DUMMY = 6;
    private int MAX_LOCALES = 6;

    private int LANG = 0;
    private int CTRY = 1;
    private int VAR = 2;
    private int NAME = 3;
    private int LANG3 = 4;
    private int CTRY3 = 5;
    private int LCID = 6;
    private int DLANG_EN = 7;
    private int DCTRY_EN = 8;
    private int DVAR_EN = 9;
    private int DNAME_EN = 10;
    private int DLANG_FR = 11;
    private int DCTRY_FR = 12;
    private int DVAR_FR = 13;
    private int DNAME_FR = 14;
    private int DLANG_HR = 15;
    private int DCTRY_HR = 16;
    private int DVAR_HR = 17;
    private int DNAME_HR = 18;
    private int DLANG_EL = 19;
    private int DCTRY_EL = 20;
    private int DVAR_EL = 21;
    private int DNAME_EL = 22;
    private int DLANG_ROOT = 23;
    private int DCTRY_ROOT = 24;
    private int DVAR_ROOT = 25;
    private int DNAME_ROOT = 26;

    private String[][] dataTable = {
        // language code
        {   "en",   "fr",   "hr",   "el",   "no",   "it",   "xx"    },
        // country code
        {   "US",   "FR",   "HR",   "GR",   "NO",   "",   "YY"    },
        // variant code
        {   "",     "",     "",     "",     "NY",   "",   ""    },
        // full name
        {   "en_US",    "fr_FR",    "hr_HR",    "el_GR",    "no_NO_NY", "it",   "xx_YY"  },
        // ISO-3 language
        {   "eng",  "fra",  "hrv",  "ell",  "nor",  "ita",  ""   },
        // ISO-3 country
        {   "USA",  "FRA",  "HRV",  "GRC",  "NOR",  "",     ""   },
        // LCID (not currently public)
        {   "0409", "040c", "041a", "0408", "0814", "",     ""  },

        // display language (English)
        {   "English",  "French",   "Croatian", "Greek",    "Norwegian",    "Italian",  "xx" },
        // display country (English)
        {   "United States",    "France",   "Croatia",  "Greece",   "Norway",   "",     "YY" },
        // display variant (English)
        {   "",     "",     "",     "",     "Nynorsk",   "",     ""},
        // display name (English)
        // Updated no_NO_NY English display name for new pattern-based algorithm
        // (part of Euro support).
        {   "English (United States)", "French (France)", "Croatian (Croatia)", "Greek (Greece)", "Norwegian (Norway,Nynorsk)", "Italian", "xx (YY)" },

        // display langage (French)
        {   "anglais",  "fran\u00e7ais",   "croate", "grec",    "norv\u00e9gien",    "italien", "xx" },
        // display country (French)
        {   "Etats-Unis",    "France",   "Croatie",  "Gr\u00e8ce",   "Norv\u00e8ge", "",     "YY" },
        // display variant (French)
        {   "",     "",     "",     "",     "",     "",    "" },
        // display name (French)
        {   "anglais (Etats-Unis)", "fran\u00e7ais (France)", "croate (Croatie)", "grec (Gr\u00e8ce)", "norv\u00e9gien (Norv\u00e8ge,Nynorsk)", "italien", "xx (YY)" },

        // display langage (Croatian)
        {   "",  "", "hrvatski", "",    "", "", "xx" },
        // display country (Croatian)
        {   "",    "",   "Hrvatska",  "",   "", "", "YY" },
        // display variant (Croatian)
        {   "",     "",     "",     "",     "", "", ""},
        // display name (Croatian)
        {   "", "", "hrvatski (Hrvatska)", "", "", "", "xx (YY)" },

        // display langage (Greek)
        {   "\u0391\u03b3\u03b3\u03bb\u03b9\u03ba\u03ac",  "\u0393\u03b1\u03bb\u03bb\u03b9\u03ba\u03ac", "\u039a\u03c1\u03bf\u03b1\u03c4\u03b9\u03ba\u03ac", "\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac",    "\u039d\u03bf\u03c1\u03b2\u03b7\u03b3\u03b9\u03ba\u03ac", "\u0399\u03c4\u03b1\u03bb\u03b9\u03ba\u03ac", "xx" },
        // display country (Greek)
        {   "\u0397\u03bd\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03a0\u03bf\u03bb\u03b9\u03c4\u03b5\u03af\u03b5\u03c2",    "\u0393\u03b1\u03bb\u03bb\u03af\u03b1",   "\u039a\u03c1\u03bf\u03b1\u03c4\u03af\u03b1",  "\u0395\u03bb\u03bb\u03ac\u03b4\u03b1",   "\u039d\u03bf\u03c1\u03b2\u03b7\u03b3\u03af\u03b1", "", "YY" },
        // display variant (Greek)
        {   "",     "",     "",     "",     "", "", "" },
        // display name (Greek)
        {   "\u0391\u03b3\u03b3\u03bb\u03b9\u03ba\u03ac (\u0397\u03bd\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03a0\u03bf\u03bb\u03b9\u03c4\u03b5\u03af\u03b5\u03c2)", "\u0393\u03b1\u03bb\u03bb\u03b9\u03ba\u03ac (\u0393\u03b1\u03bb\u03bb\u03af\u03b1)", "\u039a\u03c1\u03bf\u03b1\u03c4\u03b9\u03ba\u03ac (\u039a\u03c1\u03bf\u03b1\u03c4\u03af\u03b1)", "\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac (\u0395\u03bb\u03bb\u03ac\u03b4\u03b1)", "\u039d\u03bf\u03c1\u03b2\u03b7\u03b3\u03b9\u03ba\u03ac (\u039d\u03bf\u03c1\u03b2\u03b7\u03b3\u03af\u03b1,Nynorsk)", "\u0399\u03c4\u03b1\u03bb\u03b9\u03ba\u03ac", "xx (YY)" },

        // display langage (<root>)
        {   "English",  "French",   "Croatian", "Greek",    "Norwegian",  "Italian",  "xx" },
        // display country (<root>)
        {   "United States",    "France",   "Croatia",  "Greece",   "Norway",  "",     "YY" },
        // display variant (<root>)
        {   "",     "",     "",     "",     "Nynorsk",   "",     ""},
        // display name (<root>)
        {   "English (United States)", "French (France)", "Croatian (Croatia)", "Greek (Greece)", "Norwegian (Norway,Nynorsk)", "Italian", "xx (YY)" },
    };

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

    public void TestBasicGetters() {
        for (int i = 0; i <= MAX_LOCALES; i++) {
            Locale testLocale = new Locale(dataTable[LANG][i], dataTable[CTRY][i], dataTable[VAR][i]);
            logln("Testing " + testLocale + "...");

            if (!testLocale.getLanguage().equals(dataTable[LANG][i]))
                errln("  Language code mismatch: " + testLocale.getLanguage() + " versus "
                            + dataTable[LANG][i]);
            if (!testLocale.getCountry().equals(dataTable[CTRY][i]))
                errln("  Country code mismatch: " + testLocale.getCountry() + " versus "
                            + dataTable[CTRY][i]);
            if (!testLocale.getVariant().equals(dataTable[VAR][i]))
                errln("  Variant code mismatch: " + testLocale.getVariant() + " versus "
                            + dataTable[VAR][i]);
            if (!testLocale.toString().equals(dataTable[NAME][i]))
                errln("  Locale name mismatch: " + testLocale.toString() + " versus "
                            + dataTable[NAME][i]);
        }

        logln("Same thing without variant codes...");
        for (int i = 0; i <= MAX_LOCALES; i++) {
            Locale testLocale = new Locale(dataTable[LANG][i], dataTable[CTRY][i]);
            logln("Testing " + testLocale + "...");

            if (!testLocale.getLanguage().equals(dataTable[LANG][i]))
                errln("  Language code mismatch: " + testLocale.getLanguage() + " versus "
                            + dataTable[LANG][i]);
            if (!testLocale.getCountry().equals(dataTable[CTRY][i]))
                errln("  Country code mismatch: " + testLocale.getCountry() + " versus "
                            + dataTable[CTRY][i]);
            if (!testLocale.getVariant().equals(""))
                errln("  Variant code mismatch: " + testLocale.getVariant() + " versus \"\"");
        }
    }

    public void TestSimpleResourceInfo() {
        for (int i = 0; i <= MAX_LOCALES; i++) {
            if (dataTable[LANG][i].equals("xx"))
                continue;

            Locale testLocale = new Locale(dataTable[LANG][i], dataTable[CTRY][i], dataTable[VAR][i]);
            logln("Testing " + testLocale + "...");

            if (!testLocale.getISO3Language().equals(dataTable[LANG3][i]))
                errln("  ISO-3 language code mismatch: " + testLocale.getISO3Language()
                            + " versus " + dataTable[LANG3][i]);
            if (!testLocale.getISO3Country().equals(dataTable[CTRY3][i]))
                errln("  ISO-3 country code mismatch: " + testLocale.getISO3Country()
                            + " versus " + dataTable[CTRY3][i]);
/*
            // getLCID() is currently private
            if (!String.valueOf(testLocale.getLCID()).equals(dataTable[LCID][i]))
                errln("  LCID mismatch: " + testLocale.getLCID() + " versus "
                            + dataTable[LCID][i]);
*/
        }
    }

    /*
     * @bug 4101316
     * @bug 4084688 (This bug appears to be a duplicate of something, because it was fixed
     *              between 1.1.5 and 1.1.6, but I included a new test for it anyway)
     * @bug 4052440 Stop falling back to the default locale.
     */
    public void TestDisplayNames() {
        Locale  saveDefault = Locale.getDefault();
        Locale  english = new Locale("en", "US");
        Locale  french = new Locale("fr", "FR");
        Locale  croatian = new Locale("hr", "HR");
        Locale  greek = new Locale("el", "GR");

        Locale.setDefault(english);
        logln("With default = en_US...");
        logln("  In default locale...");
        doTestDisplayNames(null, DLANG_EN, false);
        logln("  In locale = en_US...");
        doTestDisplayNames(english, DLANG_EN, false);
        logln("  In locale = fr_FR...");
        doTestDisplayNames(french, DLANG_FR, false);
        logln("  In locale = hr_HR...");
        doTestDisplayNames(croatian, DLANG_HR, false);
        logln("  In locale = el_GR...");
        doTestDisplayNames(greek, DLANG_EL, false);

        Locale.setDefault(french);
        logln("With default = fr_FR...");
        logln("  In default locale...");
        doTestDisplayNames(null, DLANG_FR, true);
        logln("  In locale = en_US...");
        doTestDisplayNames(english, DLANG_EN, true);
        logln("  In locale = fr_FR...");
        doTestDisplayNames(french, DLANG_FR, true);
        logln("  In locale = hr_HR...");
        doTestDisplayNames(croatian, DLANG_HR, true);
        logln("  In locale = el_GR...");
        doTestDisplayNames(greek, DLANG_EL, true);

        Locale.setDefault(saveDefault);
    }

    private void doTestDisplayNames(Locale inLocale, int compareIndex, boolean defaultIsFrench) {
        if (defaultIsFrench && !Locale.getDefault().getLanguage().equals("fr"))
            errln("Default locale should be French, but it's really " + Locale.getDefault().getLanguage());
        else if (!defaultIsFrench && !Locale.getDefault().getLanguage().equals("en"))
            errln("Default locale should be English, but it's really " + Locale.getDefault().getLanguage());

        for (int i = 0; i <= MAX_LOCALES; i++) {
            Locale testLocale = new Locale(dataTable[LANG][i], dataTable[CTRY][i], dataTable[VAR][i]);
            logln("  Testing " + testLocale + "...");

            String  testLang;
            String  testCtry;
            String  testVar;
            String  testName;

            if (inLocale == null) {
                testLang = testLocale.getDisplayLanguage();
                testCtry = testLocale.getDisplayCountry();
                testVar = testLocale.getDisplayVariant();
                testName = testLocale.getDisplayName();
            }
            else {
                testLang = testLocale.getDisplayLanguage(inLocale);
                testCtry = testLocale.getDisplayCountry(inLocale);
                testVar = testLocale.getDisplayVariant(inLocale);
                testName = testLocale.getDisplayName(inLocale);
            }

            String  expectedLang;
            String  expectedCtry;
            String  expectedVar;
            String  expectedName;

            expectedLang = dataTable[compareIndex][i];
            if (expectedLang.equals("") && defaultIsFrench)
                expectedLang = dataTable[DLANG_EN][i];
            if (expectedLang.equals(""))
                expectedLang = dataTable[DLANG_ROOT][i];

            expectedCtry = dataTable[compareIndex + 1][i];
            if (expectedCtry.equals("") && defaultIsFrench)
                expectedCtry = dataTable[DCTRY_EN][i];
            if (expectedCtry.equals(""))
                expectedCtry = dataTable[DCTRY_ROOT][i];

            expectedVar = dataTable[compareIndex + 2][i];
            if (expectedVar.equals("") && defaultIsFrench)
                expectedVar = dataTable[DVAR_EN][i];
            if (expectedVar.equals(""))
                expectedVar = dataTable[DVAR_ROOT][i];

            expectedName = dataTable[compareIndex + 3][i];
            if (expectedName.equals("") && defaultIsFrench)
                expectedName = dataTable[DNAME_EN][i];
            if (expectedName.equals(""))
                expectedName = dataTable[DNAME_ROOT][i];

            if (!testLang.equals(expectedLang))
                errln("Display language mismatch: " + testLang + " versus " + expectedLang);
            if (!testCtry.equals(expectedCtry))
                errln("Display country mismatch: " + testCtry + " versus " + expectedCtry);
            if (!testVar.equals(expectedVar))
                errln("Display variant mismatch: " + testVar + " versus " + expectedVar);
            if (!testName.equals(expectedName))
                errln("Display name mismatch: " + testName + " versus " + expectedName);
        }
    }

    public void TestSimpleObjectStuff() {
        Locale  test1 = new Locale("aa", "AA");
        Locale  test2 = new Locale("aa", "AA");
        Locale  test3 = (Locale)test1.clone();
        Locale  test4 = new Locale("zz", "ZZ");

        if (test1 == test2 || test1 == test3 || test1 == test4 || test2 == test3)
            errln("Some of the test variables point to the same locale!");

        if (test3 == null)
            errln("clone() failed to produce a valid object!");

        if (!test1.equals(test2) || !test1.equals(test3) || !test2.equals(test3))
            errln("clone() or equals() failed: objects that should compare equal don't");

        if (test1.equals(test4) || test2.equals(test4) || test3.equals(test4))
            errln("equals() failed: objects that shouldn't compare equal do");

        int hash1 = test1.hashCode();
        int hash2 = test2.hashCode();
        int hash3 = test3.hashCode();

        if (hash1 != hash2 || hash1 != hash3 || hash2 != hash3)
            errln("hashCode() failed: objects that should have the same hash code don't");
    }

    /**
     * @bug 4011756 4011380
     */
    public void TestISO3Fallback() {
        Locale test = new Locale("xx", "YY", "");
        boolean gotException = false;
        String result = "";

        try {
            result = test.getISO3Language();
        }
        catch (MissingResourceException e) {
            gotException = true;
        }
        if (!gotException)
            errln("getISO3Language() on xx_YY returned " + result + " instead of throwing an exception");

        gotException = false;
        try {
            result = test.getISO3Country();
        }
        catch (MissingResourceException e) {
            gotException = true;
        }
        if (!gotException)
            errln("getISO3Country() on xx_YY returned " + result + " instead of throwing an exception");
    }

    /**
     * @bug 4106155 4118587 7066203 7085757
     */
    public void TestGetLangsAndCountries() {
        // It didn't seem right to just do an exhaustive test of everything here, so I check
        // for the following things:
        // 1) Does each list have the right total number of entries?
        // 2) Does each list contain certain language and country codes we think are important
        //     (the G7 countries, plus a couple others)?
        // 3) Does each list have every entry formatted correctly? (i.e., two characters,
        //     all lower case for the language codes, all upper case for the country codes)
        // 4) Is each list in sorted order?
        String[] test = Locale.getISOLanguages();
        String[] spotCheck1 = { "en", "es", "fr", "de", "it", "ja", "ko", "zh", "th",
                                "he", "id", "iu", "ug", "yi", "za" };

        if (test.length != 188)
            errln("Expected getISOLanguages() to return 188 languages; it returned " + test.length);
        else {
            for (int i = 0; i < spotCheck1.length; i++) {
                int j;
                for (j = 0; j < test.length; j++)
                    if (test[j].equals(spotCheck1[i]))
                        break;
                if (j == test.length || !test[j].equals(spotCheck1[i]))
                    errln("Couldn't find " + spotCheck1[i] + " in language list.");
            }
        }
        for (int i = 0; i < test.length; i++) {
            if (!test[i].equals(test[i].toLowerCase()))
                errln(test[i] + " is not all lower case.");
            if (test[i].length() != 2)
                errln(test[i] + " is not two characters long.");
            if (i > 0 && test[i].compareTo(test[i - 1]) <= 0)
                errln(test[i] + " appears in an out-of-order position in the list.");
        }

        test = Locale.getISOCountries();
        String[] spotCheck2 = { "US", "CA", "GB", "FR", "DE", "IT", "JP", "KR", "CN", "TW", "TH" };


        if (test.length != 250)
            errln("Expected getISOCountries to return 250 countries; it returned " + test.length);
        else {
            for (int i = 0; i < spotCheck2.length; i++) {
                int j;
                for (j = 0; j < test.length; j++)
                    if (test[j].equals(spotCheck2[i]))
                        break;
                if (j == test.length || !test[j].equals(spotCheck2[i]))
                    errln("Couldn't find " + spotCheck2[i] + " in country list.");
            }
        }
        for (int i = 0; i < test.length; i++) {
            if (!test[i].equals(test[i].toUpperCase()))
                errln(test[i] + " is not all upper case.");
            if (test[i].length() != 2)
                errln(test[i] + " is not two characters long.");
            if (i > 0 && test[i].compareTo(test[i - 1]) <= 0)
                errln(test[i] + " appears in an out-of-order position in the list.");
        }
    }

    /**
     * @bug 4126880
     */
    void Test4126880() {
        String[] test;

        test = Locale.getISOCountries();
        test[0] = "SUCKER!!!";
        test = Locale.getISOCountries();
        if (test[0].equals("SUCKER!!!"))
            errln("Changed internal country code list!");

        test = Locale.getISOLanguages();
        test[0] = "HAHAHAHA!!!";
        test = Locale.getISOLanguages();
        if (test[0].equals("HAHAHAHA!!!")) // Fixed typo
            errln("Changes internal language code list!");
    }

    /**
     * @bug 4107014
     */
    public void TestGetAvailableLocales() {
        Locale[] locales = Locale.getAvailableLocales();
        if (locales == null || locales.length == 0)
            errln("Locale.getAvailableLocales() returned no installed locales!");
        else {
            logln("Locale.getAvailableLocales() returned a list of " + locales.length + " locales.");
            for (int i = 0; i < locales.length; i++)
                logln(locales[i].toString());
        }
    }

    /**
     * @bug 4135316
     */
    public void TestBug4135316() {
        Locale[] locales1 = Locale.getAvailableLocales();
        Locale[] locales2 = Locale.getAvailableLocales();
        if (locales1 == locales2)
            errln("Locale.getAvailableLocales() doesn't clone its internal storage!");
    }

    /**
     * @bug 4107953
     */
/*
test commented out pending API-change approval
    public void TestGetLanguagesForCountry() {
        String[] languages = Locale.getLanguagesForCountry("US");

        if (!searchStringArrayFor("en", languages))
            errln("Didn't get en as a language for US");

        languages = Locale.getLanguagesForCountry("FR");
        if (!searchStringArrayFor("fr", languages))
            errln("Didn't get fr as a language for FR");

        languages = Locale.getLanguagesForCountry("CH");
        if (!searchStringArrayFor("fr", languages))
            errln("Didn't get fr as a language for CH");
        if (!searchStringArrayFor("it", languages))
            errln("Didn't get it as a language for CH");
        if (!searchStringArrayFor("de", languages))
            errln("Didn't get de as a language for CH");

        languages = Locale.getLanguagesForCountry("JP");
        if (!searchStringArrayFor("ja", languages))
            errln("Didn't get ja as a language for JP");
    }
*/

    private boolean searchStringArrayFor(String s, String[] array) {
        for (int i = 0; i < array.length; i++)
            if (s.equals(array[i]))
                return true;
        return false;
    }
    /**
     * @bug 4110613
     */
    public void TestSerialization() throws ClassNotFoundException, OptionalDataException,
                    IOException, StreamCorruptedException
    {
        ObjectOutputStream ostream;
        ByteArrayOutputStream obstream;
        byte[] bytes = null;

        obstream = new ByteArrayOutputStream();
        ostream = new ObjectOutputStream(obstream);

        Locale test1 = new Locale("zh", "TW", "");
        int dummy = test1.hashCode();   // fill in the cached hash-code value
        ostream.writeObject(test1);

        bytes = obstream.toByteArray();

        ObjectInputStream istream = new ObjectInputStream(new ByteArrayInputStream(bytes));

        Locale test2 = (Locale)(istream.readObject());

        if (!test1.equals(test2) || test1.hashCode() != test2.hashCode())
            errln("Locale failed to deserialize correctly.");
    }

    /**
     * @bug 4118587
     */
    public void TestSimpleDisplayNames() {
        // This test is different from TestDisplayNames because TestDisplayNames checks
        // fallback behavior, combination of language and country names to form locale
        // names, and other stuff like that.  This test just checks specific language
        // and country codes to make sure we have the correct names for them.
        String[] languageCodes = { "he", "id", "iu", "ug", "yi", "za" };
        String[] languageNames = { "Hebrew", "Indonesian", "Inuktitut", "Uighur", "Yiddish",
                                   "Zhuang" };

        for (int i = 0; i < languageCodes.length; i++) {
            String test = (new Locale(languageCodes[i], "", "")).getDisplayLanguage(Locale.US);
            if (!test.equals(languageNames[i]))
                errln("Got wrong display name for " + languageCodes[i] + ": Expected \"" +
                      languageNames[i] + "\", got \"" + test + "\".");
        }
    }

    /**
     * @bug 4118595
     */
    public void TestUninstalledISO3Names() {
        // This test checks to make sure getISO3Language and getISO3Country work right
        // even for locales that are not installed.
        String[] iso2Languages = { "am", "ba", "fy", "mr", "rn", "ss", "tw", "zu" };
        String[] iso3Languages = { "amh", "bak", "fry", "mar", "run", "ssw", "twi", "zul" };

        for (int i = 0; i < iso2Languages.length; i++) {
            String test = (new Locale(iso2Languages[i], "", "")).getISO3Language();
            if (!test.equals(iso3Languages[i]))
                errln("Got wrong ISO3 code for " + iso2Languages[i] + ": Expected \"" +
                        iso3Languages[i] + "\", got \"" + test + "\".");
        }

        String[] iso2Countries = { "AF", "BW", "KZ", "MO", "MN", "SB", "TC", "ZW" };
        String[] iso3Countries = { "AFG", "BWA", "KAZ", "MAC", "MNG", "SLB", "TCA", "ZWE" };

        for (int i = 0; i < iso2Countries.length; i++) {
            String test = (new Locale("", iso2Countries[i], "")).getISO3Country();
            if (!test.equals(iso3Countries[i]))
                errln("Got wrong ISO3 code for " + iso2Countries[i] + ": Expected \"" +
                        iso3Countries[i] + "\", got \"" + test + "\".");
        }
    }

    /**
     * @bug 4052404 4778440
     */
    public void TestChangedISO639Codes() {
        Locale hebrewOld = new Locale("iw", "IL", "");
        Locale hebrewNew = new Locale("he", "IL", "");
        Locale yiddishOld = new Locale("ji", "IL", "");
        Locale yiddishNew = new Locale("yi", "IL", "");
        Locale indonesianOld = new Locale("in", "", "");
        Locale indonesianNew = new Locale("id", "", "");

        if (!hebrewNew.getLanguage().equals("iw"))
            errln("Got back wrong language code for Hebrew: expected \"iw\", got \"" +
                            hebrewNew.getLanguage() + "\"");
        if (!yiddishNew.getLanguage().equals("ji"))
            errln("Got back wrong language code for Yiddish: expected \"ji\", got \"" +
                            yiddishNew.getLanguage() + "\"");
        if (!indonesianNew.getLanguage().equals("in"))
            errln("Got back wrong language code for Indonesian: expected \"in\", got \"" +
                            indonesianNew.getLanguage() + "\"");
    }

    /**
     * @bug 4092475
     * I could not reproduce this bug.  I'm pretty convinced it was fixed with the
     * big locale-data reorg of 10/28/97.  The lookup logic for language and country
     * display names was also changed at that time in that check-in.    --rtg 3/20/98

     * This test is not designed to work in any other locale but en_US.
     * Most of the LocaleElements do not contain display names for other languages,
     * so this test fails (bug 4289223) when run under different locales. For example,
     * LocaleElements_es as of kestrel does not have a localized name for Japanese, so
     * the getDisplayName method asks the default locale for a display name. The Japanese
     * localized name for "Japanese" does not equal "Japanese" so this test fails for es
     * display names if run under a ja locale. Eventually, he LocaleElements should probably
     * be updated to contain more localized language and region display names.
     * 1999-11-19 joconner
     *
     */
    public void TestAtypicalLocales() {
        Locale[] localesToTest = { new Locale("de", "CA"),
                                   new Locale("ja", "ZA"),
                                   new Locale("ru", "MX"),
                                   new Locale("en", "FR"),
                                   new Locale("es", "DE"),
                                   new Locale("", "HR"),
                                   new Locale("", "SE"),
                                   new Locale("", "DO"),
                                   new Locale("", "BE") };
        String[] englishDisplayNames = { "German (Canada)",
                                         "Japanese (South Africa)",
                                         "Russian (Mexico)",
                                         "English (France)",
                                         "Spanish (Germany)",
                                         "Croatia",
                                         "Sweden",
                                         "Dominican Republic",
                                         "Belgium" };
        String[] frenchDisplayNames = { "allemand (Canada)",
                                        "japonais (Afrique du Sud)",
                                        "russe (Mexique)",
                                         "anglais (France)",
                                         "espagnol (Allemagne)",
                                        "Croatie",
                                        "Su\u00e8de",
                                        "R\u00e9publique Dominicaine",
                                        "Belgique" };
        String[] spanishDisplayNames = { "alem\u00E1n (Canad\u00E1)",
                                         "japon\u00E9s (Sud\u00E1frica)",
                                         "ruso (M\u00e9xico)",
                                         "ingl\u00E9s (Francia)",
                                         "espa\u00f1ol (Alemania)",
                                         "Croacia",
                                         "Suecia",
                                         "Rep\u00fablica Dominicana",
                                         "B\u00E9lgica" };


        // save the default locale and set to the new default to en_US
        Locale defaultLocale = Locale.getDefault();
        Locale.setDefault(Locale.US);

        for (int i = 0; i < localesToTest.length; i++) {
            String name = localesToTest[i].getDisplayName(Locale.US);
            logln(name);
            if (!name.equals(englishDisplayNames[i]))
                errln("Lookup in English failed: expected \"" + englishDisplayNames[i]
                            + "\", got \"" + name + "\"");
        }

        for (int i = 0; i < localesToTest.length; i++) {
            String name = localesToTest[i].getDisplayName(new Locale("es", "ES"));
            logln(name);
            if (!name.equals(spanishDisplayNames[i]))
                errln("Lookup in Spanish failed: expected \"" + spanishDisplayNames[i]
                            + "\", got \"" + name + "\"");
        }

        for (int i = 0; i < localesToTest.length; i++) {
            String name = localesToTest[i].getDisplayName(Locale.FRANCE);
            logln(name);
            if (!name.equals(frenchDisplayNames[i]))
                errln("Lookup in French failed: expected \"" + frenchDisplayNames[i]
                            + "\", got \"" + name + "\"");
        }

        // restore the default locale for other tests
        Locale.setDefault(defaultLocale);
    }

    /**
     * @bug 4126371
     */
    public void TestNullDefault() {
        // why on earth anyone would ever try to do this is beyond me, but we should
        // definitely make sure we don't let them
        boolean gotException = false;
        try {
            Locale.setDefault(null);
        }
        catch (NullPointerException e) {
            // all other exception types propagate through here back to the test harness
            gotException = true;
        }
        if (Locale.getDefault() == null)
            errln("Locale.getDefault() allowed us to set default to NULL!");
        if (!gotException)
            errln("Trying to set default locale to NULL didn't throw exception!");
    }

    /**
     * @bug 4135752
     * This would be better tested by the LocaleDataTest.  Will move it when I
     * get the LocaleDataTest working again.
     */
    public void TestThaiCurrencyFormat() {
        DecimalFormat thaiCurrency = (DecimalFormat)NumberFormat.getCurrencyInstance(
                        new Locale("th", "TH"));
        if (!thaiCurrency.getPositivePrefix().equals("\u0e3f"))
            errln("Thai currency prefix wrong: expected \"\u0e3f\", got \"" +
                            thaiCurrency.getPositivePrefix() + "\"");
        if (!thaiCurrency.getPositiveSuffix().equals(""))
            errln("Thai currency suffix wrong: expected \"\", got \"" +
                            thaiCurrency.getPositiveSuffix() + "\"");
    }

    /**
     * @bug 4122371
     * Confirm that Euro support works.  This test is pretty rudimentary; all it does
     * is check that any locales with the EURO variant format a number using the
     * Euro currency symbol.
     *
     * ASSUME: All locales encode the Euro character "\u20AC".
     * If this is changed to use the single-character Euro symbol, this
     * test must be updated.
     *
     * DON'T ASSUME: Any specific countries support the Euro.  Instead,
     * iterate through all locales.
     */
    public void TestEuroSupport() {
        final String EURO_VARIANT  = "EURO";
        final String EURO_CURRENCY = "\u20AC"; // Look for this string in formatted Euro currency

        Locale[] locales = NumberFormat.getAvailableLocales();
        for (int i=0; i<locales.length; ++i) {
            Locale loc = locales[i];
            if (loc.getVariant().indexOf(EURO_VARIANT) >= 0) {
                NumberFormat nf = NumberFormat.getCurrencyInstance(loc);
                String pos = nf.format(271828.182845);
                String neg = nf.format(-271828.182845);
                if (pos.indexOf(EURO_CURRENCY) >= 0 &&
                    neg.indexOf(EURO_CURRENCY) >= 0) {
                    logln("Ok: " + loc.toString() +
                          ": " + pos + " / " + neg);
                }
                else {
                    errln("Fail: " + loc.toString() +
                          " formats without " + EURO_CURRENCY +
                          ": " + pos + " / " + neg +
                          "\n*** THIS FAILURE MAY ONLY MEAN THAT LOCALE DATA HAS CHANGED ***");
                }
            }
        }
    }

    /**
     * @bug 4139504
     * toString() doesn't work with language_VARIANT.
     */
    public void TestToString() {
        Object[] DATA = {
            new Locale("xx", "", ""), "xx",
            new Locale("", "YY", ""), "_YY",
        new Locale("", "", "ZZ"), "",
            new Locale("xx", "YY", ""), "xx_YY",
            new Locale("xx", "", "ZZ"), "xx__ZZ",
            new Locale("", "YY", "ZZ"), "_YY_ZZ",
            new Locale("xx", "YY", "ZZ"), "xx_YY_ZZ",
        };
        for (int i=0; i<DATA.length; i+=2) {
            Locale loc = (Locale)DATA[i];
            String fmt = (String)DATA[i+1];
            if (!loc.toString().equals(fmt)) {
                errln("Fail: Locale.toString(" + fmt + ")=>" + loc);
            }
        }
    }

    /**
     * @bug 4105828
     * Currency symbol in zh is wrong.  We will test this at the NumberFormat
     * end to test the whole pipe.
     */
    public void Test4105828() {
        Locale[] LOC = { Locale.CHINESE, new Locale("zh", "CN", ""),
                         new Locale("zh", "TW", ""), new Locale("zh", "HK", "") };
        for (int i=0; i<LOC.length; ++i) {
            NumberFormat fmt = NumberFormat.getPercentInstance(LOC[i]);
            String result = fmt.format(1);
            if (!result.equals("100%")) {
                errln("Percent for " + LOC[i] + " should be 100%, got " + result);
            }
        }
    }

    /**
     * @bug 4139940
     * Couldn't reproduce this bug -- probably was fixed earlier.
     *
     * ORIGINAL BUG REPORT:
     * -- basically, hungarian for monday shouldn't have an \u00f4
     * (o circumflex)in it instead it should be an o with 2 inclined
     * (right) lines over it..
     *
     * You may wonder -- why do all this -- why not just add a line to
     * LocaleData?  Well, I could see by inspection that the locale file had the
     * right character in it, so I wanted to check the rest of the pipeline -- a
     * very remote possibility, but I wanted to be sure.  The other possibility
     * is that something is wrong with the font mapping subsystem, but we can't
     * test that here.
     */
    public void Test4139940() {
        Locale mylocale=new Locale("hu", "", "");
        Date mydate = new Date(98,3,13); // A Monday
        DateFormat df_full = new SimpleDateFormat("EEEE", mylocale);
        String str = df_full.format(mydate);
        // Make sure that o circumflex (\u00F4) is NOT there, and
        // o double acute (\u0151) IS.
        if (str.indexOf('\u0151') < 0 || str.indexOf('\u00F4') >= 0)
            errln("Fail: Monday in Hungarian is wrong");
    }

    /**
     * @bug 4143951
     * Russian first day of week should be Monday. Confirmed.
     */
    public void Test4143951() {
        Calendar cal = Calendar.getInstance(new Locale("ru", "", ""));
        if (cal.getFirstDayOfWeek() != Calendar.MONDAY) {
            errln("Fail: First day of week in Russia should be Monday");
        }
    }

    /**
     * @bug 4147315
     * java.util.Locale.getISO3Country() works wrong for non ISO-3166 codes.
     * Should throw an exception for unknown locales
     */
    public void Test4147315() {
        // Try with codes that are the wrong length but happen to match text
        // at a valid offset in the mapping table
        Locale locale = new Locale("aaa", "CCC");

        try {
            String result = locale.getISO3Country();

            errln("ERROR: getISO3Country() returns: " + result +
                " for locale '" + locale + "' rather than exception" );
        } catch(MissingResourceException e) { }
    }

    /**
     * @bug 4147317 4940539
     * java.util.Locale.getISO3Language() works wrong for non ISO-639 codes.
     * Should throw an exception for unknown locales, except they have three
     * letter language codes.
     */
    public void Test4147317() {
        // Try a three letter language code, and check whether it is
        // returned as is.
        Locale locale = new Locale("aaa", "CCC");

        String result = locale.getISO3Language();
        if (!result.equals("aaa")) {
            errln("ERROR: getISO3Language() returns: " + result +
                " for locale '" + locale + "' rather than returning it as is" );
        }

        // Try an invalid two letter language code, and check whether it
        // throws a MissingResourceException.
        locale = new Locale("zz", "CCC");

        try {
            result = locale.getISO3Language();

            errln("ERROR: getISO3Language() returns: " + result +
                " for locale '" + locale + "' rather than exception" );
        } catch(MissingResourceException e) { }
    }

    /*
     * @bug 4147552 4778440
     */
    public void Test4147552() {
        Locale[] locales = { new Locale("no", "NO"), new Locale("no", "NO", "B"),
                             new Locale("no", "NO", "NY") };
        String[] englishDisplayNames = { "Norwegian (Norway)",
                     "Norwegian (Norway,Bokm\u00e5l)",
                     "Norwegian (Norway,Nynorsk)" };
        String[] norwegianDisplayNames = { "norsk (Norge)",
                     "norsk (Norge,bokm\u00e5l)", "norsk (Norge,nynorsk)" };

        for (int i = 0; i < locales.length; i++) {
            Locale loc = locales[i];
            if (!loc.getDisplayName(Locale.US).equals(englishDisplayNames[i]))
               errln("English display-name mismatch: expected " +
                       englishDisplayNames[i] + ", got " + loc.getDisplayName());
            if (!loc.getDisplayName(loc).equals(norwegianDisplayNames[i]))
                errln("Norwegian display-name mismatch: expected " +
                       norwegianDisplayNames[i] + ", got " +
                       loc.getDisplayName(loc));
        }
    }

    static String escapeUnicode(String s) {
        StringBuffer buf = new StringBuffer();
        for (int i=0; i<s.length(); ++i) {
            char c = s.charAt(i);
            if (c >= 0x20 && c <= 0x7F) buf.append(c);
            else {
                buf.append("\\u");
                String h = "000" + Integer.toHexString(c);
                if (h.length() > 4) h = h.substring(h.length() - 4);
                buf.append(h);
            }
        }
        return buf.toString();
    }
}

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