/********************************************************************
 * COPYRIGHT:
 * Copyright (c) 1997-2007, International Business Machines Corporation and
 * others. All Rights Reserved.
 ********************************************************************/

#include "loctest.h"
#include "unicode/decimfmt.h"
#include "unicode/ucurr.h"
#include "unicode/smpdtfmt.h"
#include "unicode/dtfmtsym.h"
#include "unicode/brkiter.h"
#include "unicode/coll.h"
#include "cstring.h"
#include <stdio.h>

static const char* const rawData[33][8] = {

        // language code
        {   "en",   "fr",   "ca",   "el",   "no",   "it",   "xx",   "zh"  },
        // script code
        {   "",     "",     "",     "",     "",     "",     "",     "Hans" },
        // country code
        {   "US",   "FR",   "ES",   "GR",   "NO",   "",     "YY",   "CN"  },
        // variant code
        {   "",     "",     "",     "",     "NY",   "",     "",   ""    },
        // full name
        {   "en_US",    "fr_FR",    "ca_ES",    "el_GR",    "no_NO_NY", "it",   "xx_YY",   "zh_Hans_CN" },
        // ISO-3 language
        {   "eng",  "fra",  "cat",  "ell",  "nor",  "ita",  "",   "zho"   },
        // ISO-3 country
        {   "USA",  "FRA",  "ESP",  "GRC",  "NOR",  "",     "",   "CHN"   },
        // LCID
        {   "409", "40c", "403", "408", "814", "10",     "0",   "804"  },

        // display langage (English)
        {   "English",  "French",   "Catalan", "Greek",    "Norwegian",    "Italian",  "xx",   "Chinese" },
        // display script (English)
        {   "",     "",     "",     "",     "",   "",     "",   "Simplified Han" },
        // display country (English)
        {   "United States",    "France",   "Spain",  "Greece",   "Norway",   "",     "YY",   "China" },
        // display variant (English)
        {   "",     "",     "",     "",     "NY",   "",     "",   ""},
        // display name (English)
        // Updated no_NO_NY English display name for new pattern-based algorithm
        // (part of Euro support).
        {   "English (United States)", "French (France)", "Catalan (Spain)", "Greek (Greece)", "Norwegian (Norway, NY)", "Italian", "xx (YY)", "Chinese (Simplified Han, China)" },

        // display langage (French)
        {   "anglais",  "fran\\u00E7ais",   "catalan", "grec",    "norv\\u00E9gien",    "italien", "xx", "chinois" },
        // display script (French)
        {   "",     "",     "",     "",     "",     "",     "",   "id\\u00E9ogrammes han (variante simplifi\\u00E9e)" },
        // display country (French)
        {   "\\u00C9tats-Unis",    "France",   "Espagne",  "Gr\\u00E8ce",   "Norv\\u00E8ge", "", "YY", "Chine" },
        // display variant (French)
        {   "",     "",     "",     "",     "NY",     "",     "",   "" },
        // display name (French)
        //{   "anglais (Etats-Unis)", "francais (France)", "catalan (Espagne)", "grec (Grece)", "norvegien (Norvege,Nynorsk)", "italien", "xx (YY)" },
        {   "anglais (\\u00C9tats-Unis)", "fran\\u00E7ais (France)", "catalan (Espagne)", "grec (Gr\\u00E8ce)", "norv\\u00E9gien (Norv\\u00E8ge, NY)", "italien", "xx (YY)", "chinois (id\\u00E9ogrammes han (variante simplifi\\u00E9e), Chine)" }, // STILL not right


        /* display language (Catalan) */
        {   "angl\\u00E8s", "franc\\u00E8s", "catal\\u00E0", "grec",  "noruec", "itali\\u00E0", "", "xin\\u00E9s" },
        /* display script (Catalan) */
        {   "", "", "",                    "", "", "", "", "Hans" },
        /* display country (Catalan) */
        {   "Estats Units", "Fran\\u00E7a", "Espanya",  "Gr\\u00E8cia", "Noruega", "", "", "Xina" },
        /* display variant (Catalan) */
        {   "", "", "",                    "", "NY", "", "" },
        /* display name (Catalan) */
        {   "angl\\u00E8s (Estats Units)", "franc\\u00E8s (Fran\\u00E7a)", "catal\\u00E0 (Espanya)", "grec (Gr\\u00E8cia)", "noruec (Noruega, NY)", "itali\\u00E0", "", "xin\\u00E9s (Hans, Xina)" },

        // display langage (Greek)[actual values listed below]
        {   "\\u03b1\\u03b3\\u03b3\\u03bb\\u03b9\\u03ba\\u03ac",
            "\\u03b3\\u03b1\\u03bb\\u03bb\\u03b9\\u03ba\\u03ac",
            "\\u03ba\\u03b1\\u03c4\\u03b1\\u03bb\\u03b1\\u03bd\\u03b9\\u03ba\\u03ac",
            "\\u03b5\\u03bb\\u03bb\\u03b7\\u03bd\\u03b9\\u03ba\\u03ac",
            "\\u03bd\\u03bf\\u03c1\\u03b2\\u03b7\\u03b3\\u03b9\\u03ba\\u03ac",
            "\\u03b9\\u03c4\\u03b1\\u03bb\\u03b9\\u03ba\\u03ac",
            "",
            "\\u03bA\\u03B9\\u03BD\\u03B5\\u03B6\\u03B9\\u03BA\\u03AC"
        },
        // display script (Greek)
        {   "", "", "", "", "", "", "", "Hans" },
        // display country (Greek)[actual values listed below]
        {   "\\u0397\\u03BD\\u03C9\\u03BC\\u03AD\\u03BD\\u03B5\\u03C2 \\u03A0\\u03BF\\u03BB\\u03B9\\u03C4\\u03B5\\u03AF\\u03B5\\u03C2",
            "\\u0393\\u03b1\\u03bb\\u03bb\\u03af\\u03b1",
            "\\u0399\\u03c3\\u03c0\\u03b1\\u03bd\\u03af\\u03b1",
            "\\u0395\\u03bb\\u03bb\\u03ac\\u03b4\\u03b1",
            "\\u039d\\u03bf\\u03c1\\u03b2\\u03b7\\u03b3\\u03af\\u03b1",
            "",
            "",
            "\\u039A\\u03AF\\u03BD\\u03B1"
        },
        // display variant (Greek)
        {   "", "", "", "", "NY", "", "" },
        // display name (Greek)[actual values listed below]
        {   "\\u03b1\\u03b3\\u03b3\\u03bb\\u03b9\\u03ba\\u03ac (\\u0397\\u03BD\\u03C9\\u03BC\\u03AD\\u03BD\\u03B5\\u03C2 \\u03A0\\u03BF\\u03BB\\u03B9\\u03C4\\u03B5\\u03AF\\u03B5\\u03C2)",
            "\\u03b3\\u03b1\\u03bb\\u03bb\\u03b9\\u03ba\\u03ac (\\u0393\\u03b1\\u03bb\\u03bb\\u03af\\u03b1)",
            "\\u03ba\\u03b1\\u03c4\\u03b1\\u03bb\\u03b1\\u03bd\\u03b9\\u03ba\\u03ac (\\u0399\\u03c3\\u03c0\\u03b1\\u03bd\\u03af\\u03b1)",
            "\\u03b5\\u03bb\\u03bb\\u03b7\\u03bd\\u03b9\\u03ba\\u03ac (\\u0395\\u03bb\\u03bb\\u03ac\\u03b4\\u03b1)",
            "\\u03bd\\u03bf\\u03c1\\u03b2\\u03b7\\u03b3\\u03b9\\u03ba\\u03ac (\\u039d\\u03bf\\u03c1\\u03b2\\u03b7\\u03b3\\u03af\\u03b1, NY)",
            "\\u03b9\\u03c4\\u03b1\\u03bb\\u03b9\\u03ba\\u03ac",
            "",
            "\\u03bA\\u03B9\\u03BD\\u03B5\\u03B6\\u03B9\\u03BA\\u03AC (Hans, \\u039A\\u03AF\\u03BD\\u03B1)"
        },

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


/*
 Usage:
    test_assert(    Test (should be TRUE)  )

   Example:
       test_assert(i==3);

   the macro is ugly but makes the tests pretty.
*/

#define test_assert(test) \
    { \
        if(!(test)) \
            errln("FAIL: " #test " was not true. In " __FILE__ " on line %d", __LINE__ ); \
        else \
            logln("PASS: asserted " #test); \
    }

/*
 Usage:
    test_assert_print(    Test (should be TRUE),  printable  )

   Example:
       test_assert(i==3, toString(i));

   the macro is ugly but makes the tests pretty.
*/

#define test_assert_print(test,print) \
    { \
        if(!(test)) \
            errln("FAIL: " #test " was not true. " + UnicodeString(print) ); \
        else \
            logln("PASS: asserted " #test "-> " + UnicodeString(print)); \
    }


#define test_dumpLocale(l) { logln(#l " = " + UnicodeString(l.getName(), "")); }

LocaleTest::LocaleTest()
: dataTable(NULL)
{
    setUpDataTable();
}

LocaleTest::~LocaleTest()
{
    if (dataTable != 0) {
        for (int32_t i = 0; i < 33; i++) {
            delete []dataTable[i];
        }
        delete []dataTable;
        dataTable = 0;
    }
}

void LocaleTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
{
    switch (index) {
        TESTCASE(0, TestBasicGetters);
        TESTCASE(1, TestSimpleResourceInfo);
        TESTCASE(2, TestDisplayNames);
        TESTCASE(3, TestSimpleObjectStuff);
        TESTCASE(4, TestPOSIXParsing);
        TESTCASE(5, TestGetAvailableLocales);
        TESTCASE(6, TestDataDirectory);
        TESTCASE(7, TestISO3Fallback);
        TESTCASE(8, TestGetLangsAndCountries);
        TESTCASE(9, TestSimpleDisplayNames);
        TESTCASE(10, TestUninstalledISO3Names);
        TESTCASE(11, TestAtypicalLocales);
#if !UCONFIG_NO_FORMATTING
        TESTCASE(12, TestThaiCurrencyFormat);
        TESTCASE(13, TestEuroSupport);
#endif
        TESTCASE(14, TestToString);
#if !UCONFIG_NO_FORMATTING
        TESTCASE(15, Test4139940);
        TESTCASE(16, Test4143951);
#endif
        TESTCASE(17, Test4147315);
        TESTCASE(18, Test4147317);
        TESTCASE(19, Test4147552);
        TESTCASE(20, TestVariantParsing);
#if !UCONFIG_NO_FORMATTING
        TESTCASE(21, Test4105828);
#endif
        TESTCASE(22, TestSetIsBogus);
        TESTCASE(23, TestParallelAPIValues);
        TESTCASE(24, TestKeywordVariants);
        TESTCASE(25, TestKeywordVariantParsing);
        TESTCASE(26, TestGetBaseName);
        TESTCASE(27, TestGetLocale);
        TESTCASE(28, TestVariantWithOutCountry);
        TESTCASE(29, TestCanonicalization);

        // keep the last index in sync with the condition in default:

        default:
            if (index <= 28) { // keep this in sync with the last index!
                name = "(test omitted by !UCONFIG_NO_FORMATTING)";
            } else {
                name = "";
            }
            break; //needed to end loop
    }
}

void LocaleTest::TestBasicGetters() {
    UnicodeString   temp;

    int32_t i;
    for (i = 0; i <= MAX_LOCALES; i++) {
        Locale testLocale("");
        if (rawData[SCRIPT][i] && rawData[SCRIPT][i][0] != 0) {
            testLocale = Locale(rawData[LANG][i], rawData[SCRIPT][i], rawData[CTRY][i], rawData[VAR][i]);
        }
        else {
            testLocale = Locale(rawData[LANG][i], rawData[CTRY][i], rawData[VAR][i]);
        }
        logln("Testing " + (UnicodeString)testLocale.getName() + "...");

        if ( (temp=testLocale.getLanguage()) != (dataTable[LANG][i]))
            errln("  Language code mismatch: " + temp + " versus "
                        + dataTable[LANG][i]);
        if ( (temp=testLocale.getScript()) != (dataTable[SCRIPT][i]))
            errln("  Script code mismatch: " + temp + " versus "
                        + dataTable[SCRIPT][i]);
        if ( (temp=testLocale.getCountry()) != (dataTable[CTRY][i]))
            errln("  Country code mismatch: " + temp + " versus "
                        + dataTable[CTRY][i]);
        if ( (temp=testLocale.getVariant()) != (dataTable[VAR][i]))
            errln("  Variant code mismatch: " + temp + " versus "
                        + dataTable[VAR][i]);
        if ( (temp=testLocale.getName()) != (dataTable[NAME][i]))
            errln("  Locale name mismatch: " + temp + " versus "
                        + dataTable[NAME][i]);
    }

    logln("Same thing without variant codes...");
    for (i = 0; i <= MAX_LOCALES; i++) {
        Locale testLocale("");
        if (rawData[SCRIPT][i] && rawData[SCRIPT][i][0] != 0) {
            testLocale = Locale(rawData[LANG][i], rawData[SCRIPT][i], rawData[CTRY][i]);
        }
        else {
            testLocale = Locale(rawData[LANG][i], rawData[CTRY][i]);
        }
        logln("Testing " + (temp=testLocale.getName()) + "...");

        if ( (temp=testLocale.getLanguage()) != (dataTable[LANG][i]))
            errln("Language code mismatch: " + temp + " versus "
                        + dataTable[LANG][i]);
        if ( (temp=testLocale.getScript()) != (dataTable[SCRIPT][i]))
            errln("Script code mismatch: " + temp + " versus "
                        + dataTable[SCRIPT][i]);
        if ( (temp=testLocale.getCountry()) != (dataTable[CTRY][i]))
            errln("Country code mismatch: " + temp + " versus "
                        + dataTable[CTRY][i]);
        if (testLocale.getVariant()[0] != 0)
            errln("Variant code mismatch: something versus \"\"");
    }

    logln("Testing long language names and getters");
    Locale  test8 = Locale::createFromName("x-klingon-latn-zx.utf32be@special");

    temp = test8.getLanguage();
    if (temp != UnicodeString("x-klingon") )
        errln("Language code mismatch: " + temp + "  versus \"x-klingon\"");

    temp = test8.getScript();
    if (temp != UnicodeString("Latn") )
        errln("Script code mismatch: " + temp + "  versus \"Latn\"");

    temp = test8.getCountry();
    if (temp != UnicodeString("ZX") )
        errln("Country code mismatch: " + temp + "  versus \"ZX\"");

    temp = test8.getVariant();
    //if (temp != UnicodeString("SPECIAL") )
    //    errln("Variant code mismatch: " + temp + "  versus \"SPECIAL\"");
    // As of 3.0, the "@special" will *not* be parsed by uloc_getName()
    if (temp != UnicodeString("") )
        errln("Variant code mismatch: " + temp + "  versus \"\"");

    if (Locale::getDefault() != Locale::createFromName(NULL))
        errln("Locale::getDefault() == Locale::createFromName(NULL)");

    /*----------*/
    // NOTE: There used to be a special test for locale names that had language or
    // country codes that were longer than two letters.  The new version of Locale
    // doesn't support anything that isn't an officially recognized language or
    // country code, so we no longer support this feature.

    Locale bogusLang("THISISABOGUSLANGUAGE"); // Jitterbug 2864: language code too long
    if(!bogusLang.isBogus()) {
        errln("Locale(\"THISISABOGUSLANGUAGE\").isBogus()==FALSE");
    }

    bogusLang=Locale("eo");
    if( bogusLang.isBogus() ||
        strcmp(bogusLang.getLanguage(), "eo")!=0 ||
        *bogusLang.getCountry()!=0 ||
        *bogusLang.getVariant()!=0 ||
        strcmp(bogusLang.getName(), "eo")!=0
    ) {
        errln("assignment to bogus Locale does not unbogus it or sets bad data");
    }

    Locale a("eo_DE@currency=DEM");
    Locale *pb=a.clone();
    if(pb==&a || *pb!=a) {
        errln("Locale.clone() failed");
    }
    delete pb;
}

void LocaleTest::TestParallelAPIValues() {
    logln("Test synchronization between C and C++ API");
    if (strcmp(Locale::getChinese().getName(), ULOC_CHINESE) != 0) {
        errln("Differences for ULOC_CHINESE Locale");
    }
    if (strcmp(Locale::getEnglish().getName(), ULOC_ENGLISH) != 0) {
        errln("Differences for ULOC_ENGLISH Locale");
    }
    if (strcmp(Locale::getFrench().getName(), ULOC_FRENCH) != 0) {
        errln("Differences for ULOC_FRENCH Locale");
    }
    if (strcmp(Locale::getGerman().getName(), ULOC_GERMAN) != 0) {
        errln("Differences for ULOC_GERMAN Locale");
    }
    if (strcmp(Locale::getItalian().getName(), ULOC_ITALIAN) != 0) {
        errln("Differences for ULOC_ITALIAN Locale");
    }
    if (strcmp(Locale::getJapanese().getName(), ULOC_JAPANESE) != 0) {
        errln("Differences for ULOC_JAPANESE Locale");
    }
    if (strcmp(Locale::getKorean().getName(), ULOC_KOREAN) != 0) {
        errln("Differences for ULOC_KOREAN Locale");
    }
    if (strcmp(Locale::getSimplifiedChinese().getName(), ULOC_SIMPLIFIED_CHINESE) != 0) {
        errln("Differences for ULOC_SIMPLIFIED_CHINESE Locale");
    }
    if (strcmp(Locale::getTraditionalChinese().getName(), ULOC_TRADITIONAL_CHINESE) != 0) {
        errln("Differences for ULOC_TRADITIONAL_CHINESE Locale");
    }


    if (strcmp(Locale::getCanada().getName(), ULOC_CANADA) != 0) {
        errln("Differences for ULOC_CANADA Locale");
    }
    if (strcmp(Locale::getCanadaFrench().getName(), ULOC_CANADA_FRENCH) != 0) {
        errln("Differences for ULOC_CANADA_FRENCH Locale");
    }
    if (strcmp(Locale::getChina().getName(), ULOC_CHINA) != 0) {
        errln("Differences for ULOC_CHINA Locale");
    }
    if (strcmp(Locale::getPRC().getName(), ULOC_PRC) != 0) {
        errln("Differences for ULOC_PRC Locale");
    }
    if (strcmp(Locale::getFrance().getName(), ULOC_FRANCE) != 0) {
        errln("Differences for ULOC_FRANCE Locale");
    }
    if (strcmp(Locale::getGermany().getName(), ULOC_GERMANY) != 0) {
        errln("Differences for ULOC_GERMANY Locale");
    }
    if (strcmp(Locale::getItaly().getName(), ULOC_ITALY) != 0) {
        errln("Differences for ULOC_ITALY Locale");
    }
    if (strcmp(Locale::getJapan().getName(), ULOC_JAPAN) != 0) {
        errln("Differences for ULOC_JAPAN Locale");
    }
    if (strcmp(Locale::getKorea().getName(), ULOC_KOREA) != 0) {
        errln("Differences for ULOC_KOREA Locale");
    }
    if (strcmp(Locale::getTaiwan().getName(), ULOC_TAIWAN) != 0) {
        errln("Differences for ULOC_TAIWAN Locale");
    }
    if (strcmp(Locale::getUK().getName(), ULOC_UK) != 0) {
        errln("Differences for ULOC_UK Locale");
    }
    if (strcmp(Locale::getUS().getName(), ULOC_US) != 0) {
        errln("Differences for ULOC_US Locale");
    }
}


void LocaleTest::TestSimpleResourceInfo() {
    UnicodeString   temp;
    char            temp2[20];
    UErrorCode err = U_ZERO_ERROR;
    int32_t i = 0;

    for (i = 0; i <= MAX_LOCALES; i++) {
        Locale testLocale(rawData[LANG][i], rawData[CTRY][i], rawData[VAR][i]);
        logln("Testing " + (temp=testLocale.getName()) + "...");

        if ( (temp=testLocale.getISO3Language()) != (dataTable[LANG3][i]))
            errln("  ISO-3 language code mismatch: " + temp
                + " versus " + dataTable[LANG3][i]);
        if ( (temp=testLocale.getISO3Country()) != (dataTable[CTRY3][i]))
            errln("  ISO-3 country code mismatch: " + temp
                + " versus " + dataTable[CTRY3][i]);

        sprintf(temp2, "%x", (int)testLocale.getLCID());
        if (UnicodeString(temp2) != dataTable[LCID][i])
            errln((UnicodeString)"  LCID mismatch: " + temp2 + " versus "
                + dataTable[LCID][i]);

        if(U_FAILURE(err))
        {
            errln((UnicodeString)"Some error on number " + i + u_errorName(err));
        }
        err = U_ZERO_ERROR;
    }

    Locale locale("en");
    if(strcmp(locale.getName(), "en") != 0||
        strcmp(locale.getLanguage(), "en") != 0) {
        errln("construction of Locale(en) failed\n");
    }
    /*-----*/

}

/*
 * Jitterbug 2439 -- markus 20030425
 *
 * The lookup of display names must not fall back through the default
 * locale because that yields useless results.
 */
void
LocaleTest::TestDisplayNames()
{
    Locale  english("en", "US");
    Locale  french("fr", "FR");
    Locale  croatian("ca", "ES");
    Locale  greek("el", "GR");

    logln("  In locale = en_US...");
    doTestDisplayNames(english, DLANG_EN);
    logln("  In locale = fr_FR...");
    doTestDisplayNames(french, DLANG_FR);
    logln("  In locale = ca_ES...");
    doTestDisplayNames(croatian, DLANG_CA);
    logln("  In locale = el_GR...");
    doTestDisplayNames(greek, DLANG_EL);

    UnicodeString s;
    UErrorCode status = U_ZERO_ERROR;
    DecimalFormatSymbols symb(status);
    /* Check to see if ICU supports this locale */
    if (symb.getLocale(ULOC_VALID_LOCALE, status) != Locale("root")) {
        /* test that the default locale has a display name for its own language */
        Locale().getDisplayLanguage(Locale(), s);
        if(s.length()<=3 && s.charAt(0)<=0x7f) {
            /* check <=3 to reject getting the language code as a display name */
            errln("unable to get a display string for the language of the default locale\n");
        }

        /*
         * API coverage improvements: call
         * Locale::getDisplayLanguage(UnicodeString &) and
         * Locale::getDisplayCountry(UnicodeString &)
         */
        s.remove();
        Locale().getDisplayLanguage(s);
        if(s.length()<=3 && s.charAt(0)<=0x7f) {
            errln("unable to get a display string for the language of the default locale [2]\n");
        }
    }
    else {
        logln("Default locale %s is unsupported by ICU\n", Locale().getName());
    }
    s.remove();
    french.getDisplayCountry(s);
    if(s.isEmpty()) {
        errln("unable to get any default-locale display string for the country of fr_FR\n");
    }
    s.remove();
    Locale("zh", "Hant").getDisplayScript(s);
    if(s.isEmpty()) {
        errln("unable to get any default-locale display string for the country of zh_Hant\n");
    }
}

void LocaleTest::TestSimpleObjectStuff() {
    Locale  test1("aa", "AA");
    Locale  test2("aa", "AA");
    Locale  test3(test1);
    Locale  test4("zz", "ZZ");
    Locale  test5("aa", "AA", "");
    Locale  test6("aa", "AA", "ANTARES");
    Locale  test7("aa", "AA", "JUPITER");
    Locale  test8 = Locale::createFromName("aa-aa-jupiTER"); // was "aa-aa.utf8@jupiter" but in 3.0 getName won't normalize that

    // now list them all for debugging usage.
    test_dumpLocale(test1);
    test_dumpLocale(test2);
    test_dumpLocale(test3);
    test_dumpLocale(test4);
    test_dumpLocale(test5);
    test_dumpLocale(test6);
    test_dumpLocale(test7);
    test_dumpLocale(test8);

    // Make sure things compare to themselves!
    test_assert(test1 == test1);
    test_assert(test2 == test2);
    test_assert(test3 == test3);
    test_assert(test4 == test4);
    test_assert(test5 == test5);
    test_assert(test6 == test6);
    test_assert(test7 == test7);
    test_assert(test8 == test8);

    // make sure things are not equal to themselves.
    test_assert(!(test1 != test1));
    test_assert(!(test2 != test2));
    test_assert(!(test3 != test3));
    test_assert(!(test4 != test4));
    test_assert(!(test5 != test5));
    test_assert(!(test6 != test6));
    test_assert(!(test7 != test7));
    test_assert(!(test8 != test8));

    // make sure things that are equal to each other don't show up as unequal.
    test_assert(!(test1 != test2));
    test_assert(!(test2 != test1));
    test_assert(!(test1 != test3));
    test_assert(!(test2 != test3));
    test_assert(test5 == test1);
    test_assert(test6 != test2);
    test_assert(test6 != test5);

    test_assert(test6 != test7);

    // test for things that shouldn't compare equal.
    test_assert(!(test1 == test4));
    test_assert(!(test2 == test4));
    test_assert(!(test3 == test4));

    test_assert(test7 == test8);

    // test for hash codes to be the same.
    int32_t hash1 = test1.hashCode();
    int32_t hash2 = test2.hashCode();
    int32_t hash3 = test3.hashCode();

    test_assert(hash1 == hash2);
    test_assert(hash1 == hash3);
    test_assert(hash2 == hash3);

    // test that the assignment operator works.
    test4 = test1;
    logln("test4=test1;");
    test_dumpLocale(test4);
    test_assert(test4 == test4);

    test_assert(!(test1 != test4));
    test_assert(!(test2 != test4));
    test_assert(!(test3 != test4));
    test_assert(test1 == test4);
    test_assert(test4 == test1);

    // test assignments with a variant
    logln("test7 = test6");
    test7 = test6;
    test_dumpLocale(test7);
    test_assert(test7 == test7);
    test_assert(test7 == test6);
    test_assert(test7 != test5);

    logln("test6 = test1");
    test6=test1;
    test_dumpLocale(test6);
    test_assert(test6 != test7);
    test_assert(test6 == test1);
    test_assert(test6 == test6);
}

// A class which exposes constructors that are implemented in terms of the POSIX parsing code.
class POSIXLocale : public Locale
{
public:
    POSIXLocale(const UnicodeString& l)
        :Locale()
    {
      char *ch;
      ch = new char[l.length() + 1];
      ch[l.extract(0, 0x7fffffff, ch, "")] = 0;
      setFromPOSIXID(ch);
      delete [] ch;
    }
    POSIXLocale(const char *l)
        :Locale()
    {
        setFromPOSIXID(l);
    }
};

void LocaleTest::TestPOSIXParsing()
{
    POSIXLocale  test1("ab_AB");
    POSIXLocale  test2(UnicodeString("ab_AB"));
    Locale  test3("ab","AB");

    POSIXLocale test4("ab_AB_Antares");
    POSIXLocale test5(UnicodeString("ab_AB_Antares"));
    Locale  test6("ab", "AB", "Antares");

    test_dumpLocale(test1);
    test_dumpLocale(test2);
    test_dumpLocale(test3);
    test_dumpLocale(test4);
    test_dumpLocale(test5);
    test_dumpLocale(test6);

    test_assert(test1 == test1);

    test_assert(test1 == test2);
    test_assert(test2 == test3);
    test_assert(test3 == test1);

    test_assert(test4 == test5);
    test_assert(test5 == test6);
    test_assert(test6 == test4);

    test_assert(test1 != test4);
    test_assert(test5 != test3);
    test_assert(test5 != test2);

    int32_t hash1 = test1.hashCode();
    int32_t hash2 = test2.hashCode();
    int32_t hash3 = test3.hashCode();

    test_assert(hash1 == hash2);
    test_assert(hash2 == hash3);
    test_assert(hash3 == hash1);
}

void LocaleTest::TestGetAvailableLocales()
{
    int32_t locCount = 0;
    const Locale* locList = Locale::getAvailableLocales(locCount);

    if (locCount == 0)
        errln("getAvailableLocales() returned an empty list!");
    else {
        logln(UnicodeString("Number of locales returned = ") + locCount);
        UnicodeString temp;
        for(int32_t i = 0; i < locCount; ++i)
            logln(locList[i].getName());
    }
    // I have no idea how to test this function...
}

// This test isn't applicable anymore - getISO3Language is
// independent of the data directory
void LocaleTest::TestDataDirectory()
{
/*
    char            oldDirectory[80];
    const char*     temp;
    UErrorCode       err = U_ZERO_ERROR;
    UnicodeString   testValue;

    temp = Locale::getDataDirectory();
    strcpy(oldDirectory, temp);
    logln(UnicodeString("oldDirectory = ") + oldDirectory);

    Locale  test(Locale::US);
    test.getISO3Language(testValue);
    logln("first fetch of language retrieved " + testValue);
    if (testValue != "eng")
        errln("Initial check of ISO3 language failed: expected \"eng\", got \"" + testValue + "\"");

    {
        char *path;
        path=IntlTest::getTestDirectory();
        Locale::setDataDirectory( path );
    }

    test.getISO3Language(testValue);
    logln("second fetch of language retrieved " + testValue);
    if (testValue != "xxx")
        errln("setDataDirectory() failed: expected \"xxx\", got \"" + testValue + "\"");

    Locale::setDataDirectory(oldDirectory);
    test.getISO3Language(testValue);
    logln("third fetch of language retrieved " + testValue);
    if (testValue != "eng")
        errln("get/setDataDirectory() failed: expected \"eng\", got \"" + testValue + "\"");
*/
}

//===========================================================

void LocaleTest::doTestDisplayNames(Locale& displayLocale, int32_t compareIndex) {
    UnicodeString   temp;

    for (int32_t i = 0; i <= MAX_LOCALES; i++) {
        Locale testLocale("");
        if (rawData[SCRIPT][i] && rawData[SCRIPT][i][0] != 0) {
            testLocale = Locale(rawData[LANG][i], rawData[SCRIPT][i], rawData[CTRY][i], rawData[VAR][i]);
        }
        else {
            testLocale = Locale(rawData[LANG][i], rawData[CTRY][i], rawData[VAR][i]);
        }
        logln("  Testing " + (temp=testLocale.getName()) + "...");

        UnicodeString  testLang;
        UnicodeString  testScript;
        UnicodeString  testCtry;
        UnicodeString  testVar;
        UnicodeString  testName;

        testLocale.getDisplayLanguage(displayLocale, testLang);
        testLocale.getDisplayScript(displayLocale, testScript);
        testLocale.getDisplayCountry(displayLocale, testCtry);
        testLocale.getDisplayVariant(displayLocale, testVar);
        testLocale.getDisplayName(displayLocale, testName);

        UnicodeString  expectedLang;
        UnicodeString  expectedScript;
        UnicodeString  expectedCtry;
        UnicodeString  expectedVar;
        UnicodeString  expectedName;

        expectedLang = dataTable[compareIndex][i];
        if (expectedLang.length() == 0)
            expectedLang = dataTable[DLANG_EN][i];

        expectedScript = dataTable[compareIndex + 1][i];
        if (expectedScript.length() == 0)
            expectedScript = dataTable[DSCRIPT_EN][i];

        expectedCtry = dataTable[compareIndex + 2][i];
        if (expectedCtry.length() == 0)
            expectedCtry = dataTable[DCTRY_EN][i];

        expectedVar = dataTable[compareIndex + 3][i];
        if (expectedVar.length() == 0)
            expectedVar = dataTable[DVAR_EN][i];

        expectedName = dataTable[compareIndex + 4][i];
        if (expectedName.length() == 0)
            expectedName = dataTable[DNAME_EN][i];

        if (testLang != expectedLang)
            errln("Display language (" + UnicodeString(displayLocale.getName()) + ") of (" + UnicodeString(testLocale.getName()) + ") got " + testLang + " expected " + expectedLang);
        if (testScript != expectedScript)
            errln("Display script (" + UnicodeString(displayLocale.getName()) + ") of (" + UnicodeString(testLocale.getName()) + ") got " + testScript + " expected " + expectedScript);
        if (testCtry != expectedCtry)
            errln("Display country (" + UnicodeString(displayLocale.getName()) + ") of (" + UnicodeString(testLocale.getName()) + ") got " + testCtry + " expected " + expectedCtry);
        if (testVar != expectedVar)
            errln("Display variant (" + UnicodeString(displayLocale.getName()) + ") of (" + UnicodeString(testLocale.getName()) + ") got " + testVar + " expected " + expectedVar);
        if (testName != expectedName)
            errln("Display name (" + UnicodeString(displayLocale.getName()) + ") of (" + UnicodeString(testLocale.getName()) + ") got " + testName + " expected " + expectedName);
    }
}

//---------------------------------------------------
// table of valid data
//---------------------------------------------------


void LocaleTest::setUpDataTable()
{
    if (dataTable == 0) {
        dataTable = new UnicodeString*[33];

        for (int32_t i = 0; i < 33; i++) {
            dataTable[i] = new UnicodeString[8];
            for (int32_t j = 0; j < 8; j++) {
                dataTable[i][j] = CharsToUnicodeString(rawData[i][j]);
            }
        }
    }
}

// ====================


/**
 * @bug 4011756 4011380
 */
void
LocaleTest::TestISO3Fallback()
{
    Locale test("xx", "YY");

    const char * result;

    result = test.getISO3Language();

    // Conform to C API usage

    if (!result || (result[0] != 0))
        errln("getISO3Language() on xx_YY returned " + UnicodeString(result) + " instead of \"\"");

    result = test.getISO3Country();

    if (!result || (result[0] != 0))
        errln("getISO3Country() on xx_YY returned " + UnicodeString(result) + " instead of \"\"");
}

/**
 * @bug 4106155 4118587
 */
void
LocaleTest::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?
    int32_t testCount = 0;
    const char * const * test = Locale::getISOLanguages();
    const char spotCheck1[ ][4] = { "en", "es", "fr", "de", "it",
                                    "ja", "ko", "zh", "th", "he",
                                    "id", "iu", "ug", "yi", "za" };

    int32_t i;

    for(testCount = 0;test[testCount];testCount++)
      ;

    /* TODO: Change this test to be more like the cloctst version? */
    if (testCount != 487)
        errln("Expected getISOLanguages() to return 487 languages; it returned %d", testCount);
    else {
        for (i = 0; i < 15; i++) {
            int32_t j;
            for (j = 0; j < testCount; j++)
              if (uprv_strcmp(test[j],spotCheck1[i])== 0)
                    break;
            if (j == testCount || (uprv_strcmp(test[j],spotCheck1[i])!=0))
                errln("Couldn't find " + (UnicodeString)spotCheck1[i] + " in language list.");
        }
    }
    for (i = 0; i < testCount; i++) {
        UnicodeString testee(test[i],"");
        UnicodeString lc(test[i],"");
        if (testee != lc.toLower())
            errln(lc + " is not all lower case.");
        if ( (testee.length() != 2) && (testee.length() != 3))
            errln(testee + " is not two or three characters long.");
        if (i > 0 && testee.compare(test[i - 1]) <= 0)
            errln(testee + " appears in an out-of-order position in the list.");
    }

    test = Locale::getISOCountries();
    UnicodeString spotCheck2 [] = { "US", "CA", "GB", "FR", "DE",
                                    "IT", "JP", "KR", "CN", "TW",
                                    "TH" };
    int32_t spot2Len = 11;
    for(testCount=0;test[testCount];testCount++)
      ;

    if (testCount != 244){
        errln("Expected getISOCountries to return 240 countries; it returned %d", testCount);
    }else {
        for (i = 0; i < spot2Len; i++) {
            int32_t j;
            for (j = 0; j < testCount; j++)
              {
                UnicodeString testee(test[j],"");

                if (testee == spotCheck2[i])
                    break;
              }
                UnicodeString testee(test[j],"");
            if (j == testCount || testee != spotCheck2[i])
                errln("Couldn't find " + spotCheck2[i] + " in country list.");
        }
    }
        for (i = 0; i < testCount; i++) {
      UnicodeString testee(test[i],"");
        UnicodeString uc(test[i],"");
        if (testee != uc.toUpper())
            errln(testee + " is not all upper case.");
        if (testee.length() != 2)
            errln(testee + " is not two characters long.");
        if (i > 0 && testee.compare(test[i - 1]) <= 0)
            errln(testee + " appears in an out-of-order position in the list.");
    }
}

/**
 * @bug 4118587
 */
void
LocaleTest::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.
    char languageCodes[] [4] = { "he", "id", "iu", "ug", "yi", "za" };
    UnicodeString languageNames [] = { "Hebrew", "Indonesian", "Inuktitut", "Uighur", "Yiddish",
                               "Zhuang" };

    for (int32_t i = 0; i < 6; i++) {
        UnicodeString test;
        Locale l(languageCodes[i], "", "");
        l.getDisplayLanguage(Locale::getUS(), test);
        if (test != languageNames[i])
            errln("Got wrong display name for " + UnicodeString(languageCodes[i]) + ": Expected \"" +
                  languageNames[i] + "\", got \"" + test + "\".");
    }
}

/**
 * @bug 4118595
 */
void
LocaleTest::TestUninstalledISO3Names()
{
    // This test checks to make sure getISO3Language and getISO3Country work right
    // even for locales that are not installed.
    const char iso2Languages [][4] = {     "am", "ba", "fy", "mr", "rn",
                                        "ss", "tw", "zu" };
    const char iso3Languages [][5] = {     "amh", "bak", "fry", "mar", "run",
                                        "ssw", "twi", "zul" };

    int32_t i;

    for (i = 0; i < 8; i++) {
      UErrorCode err = U_ZERO_ERROR;

      UnicodeString test;
        Locale l(iso2Languages[i], "", "");
        test = l.getISO3Language();
        if((test != iso3Languages[i]) || U_FAILURE(err))
            errln("Got wrong ISO3 code for " + UnicodeString(iso2Languages[i]) + ": Expected \"" +
                    iso3Languages[i] + "\", got \"" + test + "\"." + UnicodeString(u_errorName(err)));
    }

    char iso2Countries [][4] = {     "AF", "BW", "KZ", "MO", "MN",
                                        "SB", "TC", "ZW" };
    char iso3Countries [][4] = {     "AFG", "BWA", "KAZ", "MAC", "MNG",
                                        "SLB", "TCA", "ZWE" };

    for (i = 0; i < 8; i++) {
      UErrorCode err = U_ZERO_ERROR;
        Locale l("", iso2Countries[i], "");
        UnicodeString test(l.getISO3Country(), "");
        if (test != iso3Countries[i])
            errln("Got wrong ISO3 code for " + UnicodeString(iso2Countries[i]) + ": Expected \"" +
                    UnicodeString(iso3Countries[i]) + "\", got \"" + test + "\"." + u_errorName(err));
    }
}

/**
 * @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
 */
void
LocaleTest::TestAtypicalLocales()
{
    Locale localesToTest [] = { Locale("de", "CA"),
                                  Locale("ja", "ZA"),
                                   Locale("ru", "MX"),
                                   Locale("en", "FR"),
                                   Locale("es", "DE"),
                                   Locale("", "HR"),
                                   Locale("", "SE"),
                                   Locale("", "DO"),
                                   Locale("", "BE") };

    UnicodeString englishDisplayNames [] = { "German (Canada)",
                                     "Japanese (South Africa)",
                                     "Russian (Mexico)",
                                     "English (France)",
                                     "Spanish (Germany)",
                                     "Croatia",
                                     "Sweden",
                                     "Dominican Republic",
                                     "Belgium" };
    UnicodeString frenchDisplayNames []= { "allemand (Canada)",
                                    "japonais (Afrique du Sud)",
                                    "russe (Mexique)",
                                     "anglais (France)",
                                     "espagnol (Allemagne)",
                                    "Croatie",
                                    CharsToUnicodeString("Su\\u00E8de"),
                                    CharsToUnicodeString("Dominicaine, r\\u00E9publique"),
                                    "Belgique" };
    UnicodeString spanishDisplayNames [] = {
                                     CharsToUnicodeString("alem\\u00E1n (Canad\\u00E1)"),
                                     CharsToUnicodeString("japon\\u00E9s (Sud\\u00E1frica)"),
                                     CharsToUnicodeString("ruso (M\\u00E9xico)"),
                                     CharsToUnicodeString("ingl\\u00E9s (Francia)"),
                                     CharsToUnicodeString("espa\\u00F1ol (Alemania)"),
                                     "Croacia",
                                     "Suecia",
                                     CharsToUnicodeString("Rep\\u00FAblica Dominicana"),
                                     CharsToUnicodeString("B\\u00E9lgica") };
    // De-Anglicizing root required the change from
    // English display names to ISO Codes - ram 2003/09/26
    UnicodeString invDisplayNames [] = { "German (Canada)",
                                     "Japanese (South Africa)",
                                     "Russian (Mexico)",
                                     "English (France)",
                                     "Spanish (Germany)",
                                     "Croatia",
                                     "Sweden",
                                     "Dominican Republic",
                                     "Belgium" };

    int32_t i;
    UErrorCode status = U_ZERO_ERROR;
    Locale saveLocale;
    Locale::setDefault(Locale::getUS(), status);
    for (i = 0; i < 9; ++i) {
        UnicodeString name;
        localesToTest[i].getDisplayName(Locale::getUS(), name);
        logln(name);
        if (name != englishDisplayNames[i])
        {
            errln("Lookup in English failed: expected \"" + englishDisplayNames[i]
                        + "\", got \"" + name + "\"");
            logln("Locale name was-> " + (name=localesToTest[i].getName()));
        }
    }

    for (i = 0; i < 9; i++) {
        UnicodeString name;
        localesToTest[i].getDisplayName(Locale("es", "ES"), name);
        logln(name);
        if (name != spanishDisplayNames[i])
            errln("Lookup in Spanish failed: expected \"" + spanishDisplayNames[i]
                        + "\", got \"" + name + "\"");
    }

    for (i = 0; i < 9; i++) {
        UnicodeString name;
        localesToTest[i].getDisplayName(Locale::getFrance(), name);
        logln(name);
        if (name != frenchDisplayNames[i])
            errln("Lookup in French failed: expected \"" + frenchDisplayNames[i]
                        + "\", got \"" + name + "\"");
    }

    for (i = 0; i < 9; i++) {
        UnicodeString name;
        localesToTest[i].getDisplayName(Locale("inv", "IN"), name);
        logln(name + " Locale fallback to be, and data fallback to root");
        if (name != invDisplayNames[i])
            errln("Lookup in INV failed: expected \"" + prettify(invDisplayNames[i])
                        + "\", got \"" + prettify(name) + "\"");
        localesToTest[i].getDisplayName(Locale("inv", "BD"), name);
        logln(name + " Data fallback to root");
        if (name != invDisplayNames[i])
            errln("Lookup in INV failed: expected \"" + prettify(invDisplayNames[i])
                        + "\", got \"" + prettify(name )+ "\"");
    }
    Locale::setDefault(saveLocale, status);
}

#if !UCONFIG_NO_FORMATTING

/**
 * @bug 4135752
 * This would be better tested by the LocaleDataTest.  Will move it when I
 * get the LocaleDataTest working again.
 */
void
LocaleTest::TestThaiCurrencyFormat()
{
    UErrorCode status = U_ZERO_ERROR;
    DecimalFormat *thaiCurrency = (DecimalFormat*)NumberFormat::createCurrencyInstance(
                    Locale("th", "TH"), status);
    UChar posPrefix = 0x0e3f;
    UnicodeString temp;

    if(U_FAILURE(status) || !thaiCurrency)
    {
        errln("Couldn't get th_TH currency -> " + UnicodeString(u_errorName(status)));
        return;
    }
    if (thaiCurrency->getPositivePrefix(temp) != UnicodeString(&posPrefix, 1, 1))
        errln("Thai currency prefix wrong: expected 0x0e3f, got \"" +
                        thaiCurrency->getPositivePrefix(temp) + "\"");
    if (thaiCurrency->getPositiveSuffix(temp) != "")
        errln("Thai currency suffix wrong: expected \"\", got \"" +
                        thaiCurrency->getPositiveSuffix(temp) + "\"");

    delete thaiCurrency;
}

/**
 * @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.
 *
 */
void
LocaleTest::TestEuroSupport()
{
    UChar euro = 0x20ac;
    const UnicodeString EURO_CURRENCY(&euro, 1, 1); // Look for this UnicodeString in formatted Euro currency
    const char* localeArr[] = {
                            "ca_ES",
                            "de_AT",
                            "de_DE",
                            "de_LU",
                            "el_GR",
                            "en_BE",
                            "en_IE",
                            "en_GB_EURO",
                            "en_US_EURO",
                            "es_ES",
                            "eu_ES",
                            "fi_FI",
                            "fr_BE",
                            "fr_FR",
                            "fr_LU",
                            "ga_IE",
                            "gl_ES",
                            "it_IT",
                            "nl_BE",
                            "nl_NL",
                            "pt_PT",
                            NULL
                        };
    const char** locales = localeArr;

    UErrorCode status = U_ZERO_ERROR;

    UnicodeString temp;

    for (;*locales!=NULL;locales++) {
        Locale loc (*locales);
        UnicodeString temp;
        NumberFormat *nf = NumberFormat::createCurrencyInstance(loc, status);
        UnicodeString pos;

        if (U_FAILURE(status)) {
            dataerrln("Error calling NumberFormat::createCurrencyInstance(%s)", *locales);
            continue;
        }

        nf->format(271828.182845, pos);
        UnicodeString neg;
        nf->format(-271828.182845, neg);
        if (pos.indexOf(EURO_CURRENCY) >= 0 &&
            neg.indexOf(EURO_CURRENCY) >= 0) {
            logln("Ok: " + (temp=loc.getName()) +
                ": " + pos + " / " + neg);
        }
        else {
            errln("Fail: " + (temp=loc.getName()) +
                " formats without " + EURO_CURRENCY +
                ": " + pos + " / " + neg +
                "\n*** THIS FAILURE MAY ONLY MEAN THAT LOCALE DATA HAS CHANGED ***");
        }

        delete nf;
    }

    UnicodeString dollarStr("USD", ""), euroStr("EUR", ""), genericStr((UChar)0x00a4), resultStr;
    UChar tmp[4];
    status = U_ZERO_ERROR;

    ucurr_forLocale("en_US", tmp, 4, &status);
    resultStr.setTo(tmp);
    if (dollarStr != resultStr) {
        errln("Fail: en_US didn't return USD");
    }
    ucurr_forLocale("en_US_EURO", tmp, 4, &status);
    resultStr.setTo(tmp);
    if (euroStr != resultStr) {
        errln("Fail: en_US_EURO didn't return EUR");
    }
    ucurr_forLocale("en_GB_EURO", tmp, 4, &status);
    resultStr.setTo(tmp);
    if (euroStr != resultStr) {
        errln("Fail: en_GB_EURO didn't return EUR");
    }
    ucurr_forLocale("en_US_PREEURO", tmp, 4, &status);
    resultStr.setTo(tmp);
    if (dollarStr != resultStr) {
        errln("Fail: en_US_PREEURO didn't fallback to en_US");
    }
    ucurr_forLocale("en_US_Q", tmp, 4, &status);
    resultStr.setTo(tmp);
    if (dollarStr != resultStr) {
        errln("Fail: en_US_Q didn't fallback to en_US");
    }
    int32_t invalidLen = ucurr_forLocale("en_QQ", tmp, 4, &status);
    if (invalidLen || U_SUCCESS(status)) {
        errln("Fail: en_QQ didn't return NULL");
    }
}

#endif

/**
 * @bug 4139504
 * toString() doesn't work with language_VARIANT.
 */
void
LocaleTest::TestToString() {
    Locale DATA [] = {
        Locale("xx", "", ""),
        Locale("", "YY", ""),
        Locale("", "", "ZZ"),
        Locale("xx", "YY", ""),
        Locale("xx", "", "ZZ"),
        Locale("", "YY", "ZZ"),
        Locale("xx", "YY", "ZZ"),
    };

    const char DATA_S [][20] = {
        "xx",
        "_YY",
        "__ZZ",
        "xx_YY",
        "xx__ZZ",
        "_YY_ZZ",
        "xx_YY_ZZ",
    };

    for (int32_t i=0; i < 7; ++i) {
      const char *name;
      name = DATA[i].getName();

      if (strcmp(name, DATA_S[i]) != 0)
        {
            errln("Fail: Locale.getName(), got:" + UnicodeString(name) + ", expected: " + DATA_S[i]);
        }
        else
            logln("Pass: Locale.getName(), got:" + UnicodeString(name) );
    }
}

#if !UCONFIG_NO_FORMATTING

/**
 * @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.
 */
void
LocaleTest::Test4139940()
{
    Locale mylocale("hu", "", "");
    UDate mydate = date(98,3,13); // A Monday
    UErrorCode status = U_ZERO_ERROR;
    SimpleDateFormat df_full("EEEE", mylocale, status);
    if(U_FAILURE(status)){
        errln(UnicodeString("Could not create SimpleDateFormat object for locale hu. Error: " )+ UnicodeString(u_errorName(status)));
        return;
    }
    UnicodeString str;
    FieldPosition pos(FieldPosition::DONT_CARE);
    df_full.format(mydate, str, pos);
    // Make sure that o circumflex (\u00F4) is NOT there, and
    // o double acute (\u0151) IS.
    UChar ocf = 0x00f4;
    UChar oda = 0x0151;
    if (str.indexOf(oda) < 0 || str.indexOf(ocf) >= 0) {
      errln("Fail: Monday in Hungarian is wrong - oda's index is %d and ocf's is %d",
            str.indexOf(oda), str.indexOf(ocf));
      logln(UnicodeString("String is: ") + str );
    }
}

UDate
LocaleTest::date(int32_t y, int32_t m, int32_t d, int32_t hr, int32_t min, int32_t sec)
{
    UErrorCode status = U_ZERO_ERROR;
    Calendar *cal = Calendar::createInstance(status);
    if (cal == 0)
        return 0.0;
    cal->clear();
    cal->set(1900 + y, m, d, hr, min, sec); // Add 1900 to follow java.util.Date protocol
    UDate dt = cal->getTime(status);
    if (U_FAILURE(status))
        return 0.0;

    delete cal;
    return dt;
}

/**
 * @bug 4143951
 * Russian first day of week should be Monday. Confirmed.
 */
void
LocaleTest::Test4143951()
{
    UErrorCode status = U_ZERO_ERROR;
    Calendar *cal = Calendar::createInstance(Locale("ru", "", ""), status);
    if(U_SUCCESS(status)) {
      if (cal->getFirstDayOfWeek(status) != UCAL_MONDAY) {
          errln("Fail: First day of week in Russia should be Monday");
      }
    }
    delete cal;
}

#endif

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

    const char *result = locale.getISO3Country();

    // Change to conform to C api usage
    if((result==NULL)||(result[0] != 0))
      errln("ERROR: getISO3Country() returns: " + UnicodeString(result,"") +
                " for locale '" + (temp=locale.getName()) + "' rather than exception" );
}

/**
 * @bug 4147317
 * java.util.Locale.getISO3Language() works wrong for non ISO-3166 codes.
 * Should throw an exception for unknown locales
 */
void
LocaleTest::Test4147317()
{
    UnicodeString temp;
    // Try with codes that are the wrong length but happen to match text
    // at a valid offset in the mapping table
    Locale locale("aaa", "CCC");

    const char *result = locale.getISO3Language();

    // Change to conform to C api usage
    if((result==NULL)||(result[0] != 0))
      errln("ERROR: getISO3Language() returns: " + UnicodeString(result,"") +
                " for locale '" + (temp=locale.getName()) + "' rather than exception" );
}

/*
 * @bug 4147552
 */
void
LocaleTest::Test4147552()
{
    Locale locales [] = {     Locale("no", "NO"),
                            Locale("no", "NO", "B"),
                             Locale("no", "NO", "NY")
    };

    UnicodeString edn("Norwegian (Norway, B)");
    UnicodeString englishDisplayNames [] = {
                                                "Norwegian (Norway)",
                                                 edn,
                                                 // "Norwegian (Norway,B)",
                                                 //"Norwegian (Norway,NY)"
                                                 "Norwegian (Norway, NY)"
    };
    UnicodeString ndn("norsk (Norge, B");
    UnicodeString norwegianDisplayNames [] = {
                                                "norsk (Norge)",
                                                "norsk (Norge, B)",
                                                //ndn,
                                                 "norsk (Noreg, NY)"
                                                 //"Norsk (Noreg, Nynorsk)"
    };
    UErrorCode status = U_ZERO_ERROR;

    Locale saveLocale;
    Locale::setDefault(Locale::getEnglish(), status);
    for (int32_t i = 0; i < 3; ++i) {
        Locale loc = locales[i];
        UnicodeString temp;
        if (loc.getDisplayName(temp) != englishDisplayNames[i])
           errln("English display-name mismatch: expected " +
                   englishDisplayNames[i] + ", got " + loc.getDisplayName(temp));
        if (loc.getDisplayName(loc, temp) != norwegianDisplayNames[i])
            errln("Norwegian display-name mismatch: expected " +
                   norwegianDisplayNames[i] + ", got " +
                   loc.getDisplayName(loc, temp));
    }
    Locale::setDefault(saveLocale, status);
}

void
LocaleTest::TestVariantParsing()
{
    Locale en_US_custom("en", "US", "De Anza_Cupertino_California_United States_Earth");

    UnicodeString dispName("English (United States, DE ANZA_CUPERTINO_CALIFORNIA_UNITED STATES_EARTH)");
    UnicodeString dispVar("DE ANZA_CUPERTINO_CALIFORNIA_UNITED STATES_EARTH");

    UnicodeString got;

    en_US_custom.getDisplayVariant(Locale::getUS(), got);
    if(got != dispVar) {
        errln("FAIL: getDisplayVariant()");
        errln("Wanted: " + dispVar);
        errln("Got   : " + got);
    }

    en_US_custom.getDisplayName(Locale::getUS(), got);
    if(got != dispName) {
        errln("FAIL: getDisplayName()");
        errln("Wanted: " + dispName);
        errln("Got   : " + got);
    }

    Locale shortVariant("fr", "FR", "foo");
    shortVariant.getDisplayVariant(got);

    if(got != "FOO") {
        errln("FAIL: getDisplayVariant()");
        errln("Wanted: foo");
        errln("Got   : " + got);
    }

    Locale bogusVariant("fr", "FR", "_foo");
    bogusVariant.getDisplayVariant(got);

    if(got != "FOO") {
        errln("FAIL: getDisplayVariant()");
        errln("Wanted: foo");
        errln("Got   : " + got);
    }

    Locale bogusVariant2("fr", "FR", "foo_");
    bogusVariant2.getDisplayVariant(got);

    if(got != "FOO") {
        errln("FAIL: getDisplayVariant()");
        errln("Wanted: foo");
        errln("Got   : " + got);
    }

    Locale bogusVariant3("fr", "FR", "_foo_");
    bogusVariant3.getDisplayVariant(got);

    if(got != "FOO") {
        errln("FAIL: getDisplayVariant()");
        errln("Wanted: foo");
        errln("Got   : " + got);
    }
}

#if !UCONFIG_NO_FORMATTING

/**
 * @bug 4105828
 * Currency symbol in zh is wrong.  We will test this at the NumberFormat
 * end to test the whole pipe.
 */
void
LocaleTest::Test4105828()
{
    Locale LOC [] = { Locale::getChinese(),  Locale("zh", "CN", ""),
                     Locale("zh", "TW", ""), Locale("zh", "HK", "") };
    UErrorCode status = U_ZERO_ERROR;
    for (int32_t i = 0; i < 4; ++i) {
        NumberFormat *fmt = NumberFormat::createPercentInstance(LOC[i], status);
        if(U_FAILURE(status)) {
            errln("Couldn't create NumberFormat");
            return;
        }
        UnicodeString result;
        FieldPosition pos(0);
        fmt->format((int32_t)1, result, pos);
        UnicodeString temp;
        if(result != "100%") {
            errln(UnicodeString("Percent for ") + LOC[i].getDisplayName(temp) + " should be 100%, got " + result);
        }
        delete fmt;
    }
}

#endif

// Tests setBogus and isBogus APIs for Locale
// Jitterbug 1735
void
LocaleTest::TestSetIsBogus() {
    Locale l("en_US");
    l.setToBogus();
    if(l.isBogus() != TRUE) {
        errln("After setting bogus, didn't return TRUE");
    }
    l = "en_US"; // This should reset bogus
    if(l.isBogus() != FALSE) {
        errln("After resetting bogus, didn't return FALSE");
    }
}


void
LocaleTest::TestKeywordVariants(void) {
    static const struct {
        const char *localeID;
        const char *expectedLocaleID;
        //const char *expectedLocaleIDNoKeywords;
        //const char *expectedCanonicalID;
        const char *expectedKeywords[10];
        int32_t numKeywords;
        UErrorCode expectedStatus;
    } testCases[] = {
        {
            "de_DE@  currency = euro; C o ll A t i o n   = Phonebook   ; C alen dar = buddhist   ", 
            "de_DE@calendar=buddhist;collation=Phonebook;currency=euro", 
            //"de_DE",
            //"de_DE@calendar=buddhist;collation=Phonebook;currency=euro", 
            {"calendar", "collation", "currency"},
            3,
            U_ZERO_ERROR
        },
        {
            "de_DE@euro",
            "de_DE@euro",
            //"de_DE",
            //"de_DE@currency=EUR",
            {"","","","","","",""},
            0,
            U_INVALID_FORMAT_ERROR /* must have '=' after '@' */
        }
    };
    UErrorCode status = U_ZERO_ERROR;

    int32_t i = 0, j = 0;
    const char *result = NULL;
    StringEnumeration *keywords;
    int32_t keyCount = 0;
    const char *keyword = NULL;
    const UnicodeString *keywordString;
    int32_t keywordLen = 0;

    for(i = 0; i < (int32_t)(sizeof(testCases)/sizeof(testCases[0])); i++) {
        status = U_ZERO_ERROR;
        Locale l(testCases[i].localeID);
        keywords = l.createKeywords(status);

        if(status != testCases[i].expectedStatus) {
            err("Expected to get status %s. Got %s instead\n",
                u_errorName(testCases[i].expectedStatus), u_errorName(status));
        }
        status = U_ZERO_ERROR;
        if(keywords) {
            if((keyCount = keywords->count(status)) != testCases[i].numKeywords) {
                err("Expected to get %i keywords, got %i\n", testCases[i].numKeywords, keyCount);
            }
            if(keyCount) {
                for(j = 0;;) {
                    if((j&1)==0) {
                        if((keyword = keywords->next(&keywordLen, status)) == NULL) {
                            break;
                        }
                        if(strcmp(keyword, testCases[i].expectedKeywords[j]) != 0) {
                            err("Expected to get keyword value %s, got %s\n", testCases[i].expectedKeywords[j], keyword);
                        }
                    } else {
                        if((keywordString = keywords->snext(status)) == NULL) {
                            break;
                        }
                        if(*keywordString != UnicodeString(testCases[i].expectedKeywords[j], "")) {
                            err("Expected to get keyword UnicodeString %s, got %s\n", testCases[i].expectedKeywords[j], keyword);
                        }
                    }
                    j++;

                    if(j == keyCount / 2) {
                        // replace keywords with a clone of itself
                        StringEnumeration *k2 = keywords->clone();
                        if(k2 == NULL || keyCount != k2->count(status)) {
                            errln("KeywordEnumeration.clone() failed");
                        } else {
                            delete keywords;
                            keywords = k2;
                        }
                    }
                }
                keywords->reset(status); // Make sure that reset works.
                for(j = 0;;) {
                    if((keyword = keywords->next(&keywordLen, status)) == NULL) {
                        break;
                    }
                    if(strcmp(keyword, testCases[i].expectedKeywords[j]) != 0) {
                        err("Expected to get keyword value %s, got %s\n", testCases[i].expectedKeywords[j], keyword);
                    }
                    j++;
                }
            }
            delete keywords;
        }
        result = l.getName();
        if(uprv_strcmp(testCases[i].expectedLocaleID, result) != 0) {
            err("Expected to get \"%s\" from \"%s\". Got \"%s\" instead\n",
                testCases[i].expectedLocaleID, testCases[i].localeID, result);
        }

    }

}

void
LocaleTest::TestKeywordVariantParsing(void) {
    static const struct {
        const char *localeID;
        const char *keyword;
        const char *expectedValue;
    } testCases[] = {
        { "de_DE@  C o ll A t i o n   = Phonebook   ", "collation", "Phonebook" },
        { "de_DE", "collation", ""},
        { "de_DE@collation= PHONEBOOK", "collation", "PHONEBOOK" },
        { "de_DE@ currency = euro   ; CoLLaTion   = PHONEBOOk   ", "collation", "PHONEBOOk" },
    };

    UErrorCode status = U_ZERO_ERROR;

    int32_t i = 0;
    int32_t resultLen = 0;
    char buffer[256];

    for(i = 0; i < (int32_t)(sizeof(testCases)/sizeof(testCases[0])); i++) {
        *buffer = 0;
        Locale l(testCases[i].localeID);
        resultLen = l.getKeywordValue(testCases[i].keyword, buffer, 256, status);
        if(uprv_strcmp(testCases[i].expectedValue, buffer) != 0) {
            err("Expected to extract \"%s\" from \"%s\" for keyword \"%s\". Got \"%s\" instead\n",
                testCases[i].expectedValue, testCases[i].localeID, testCases[i].keyword, buffer);
        }
    }
}

void
LocaleTest::TestGetBaseName(void) {
    static const struct {
        const char *localeID;
        const char *baseName;
    } testCases[] = {
        { "de_DE@  C o ll A t i o n   = Phonebook   ", "de_DE" },
        { "de@currency = euro; CoLLaTion   = PHONEBOOk", "de" },
        { "ja@calendar = buddhist", "ja" }
    };

    int32_t i = 0;

    for(i = 0; i < (int32_t)(sizeof(testCases)/sizeof(testCases[0])); i++) {
        Locale loc(testCases[i].localeID);
        if(strcmp(testCases[i].baseName, loc.getBaseName())) {
            errln("For locale \"%s\" expected baseName \"%s\", but got \"%s\"",
                testCases[i].localeID, testCases[i].baseName, loc.getBaseName());
            return;
        }
    }
}

/**
 * Compare two locale IDs.  If they are equal, return 0.  If `string'
 * starts with `prefix' plus an additional element, that is, string ==
 * prefix + '_' + x, then return 1.  Otherwise return a value < 0.
 */
static UBool _loccmp(const char* string, const char* prefix) {
    int32_t slen = (int32_t)strlen(string),
            plen = (int32_t)strlen(prefix);
    int32_t c = uprv_strncmp(string, prefix, plen);
    /* 'root' is "less than" everything */
    if (uprv_strcmp(prefix, "root") == 0) {
        return (uprv_strcmp(string, "root") == 0) ? 0 : 1;
    }
    if (c) return -1; /* mismatch */
    if (slen == plen) return 0;
    if (string[plen] == '_') return 1;
    return -2; /* false match, e.g. "en_USX" cmp "en_US" */
}

/**
 * Check the relationship between requested locales, and report problems.
 * The caller specifies the expected relationships between requested
 * and valid (expReqValid) and between valid and actual (expValidActual).
 * Possible values are:
 * "gt" strictly greater than, e.g., en_US > en
 * "ge" greater or equal,      e.g., en >= en
 * "eq" equal,                 e.g., en == en
 */
void LocaleTest::_checklocs(const char* label,
                            const char* req,
                            const Locale& validLoc,
                            const Locale& actualLoc,
                            const char* expReqValid,
                            const char* expValidActual) {
    const char* valid = validLoc.getName();
    const char* actual = actualLoc.getName();
    int32_t reqValid = _loccmp(req, valid);
    int32_t validActual = _loccmp(valid, actual);
    if (((0 == uprv_strcmp(expReqValid, "gt") && reqValid > 0) ||
         (0 == uprv_strcmp(expReqValid, "ge") && reqValid >= 0) ||
         (0 == uprv_strcmp(expReqValid, "eq") && reqValid == 0)) &&
        ((0 == uprv_strcmp(expValidActual, "gt") && validActual > 0) ||
         (0 == uprv_strcmp(expValidActual, "ge") && validActual >= 0) ||
         (0 == uprv_strcmp(expValidActual, "eq") && validActual == 0))) {
        logln("%s; req=%s, valid=%s, actual=%s",
              label, req, valid, actual);
    } else {
        errln("FAIL: %s; req=%s, valid=%s, actual=%s.  Require (R %s V) and (V %s A)",
              label, req, valid, actual,
              expReqValid, expValidActual);
    }
}

void LocaleTest::TestGetLocale(void) {
#if !UCONFIG_NO_SERVICE
    UErrorCode ec = U_ZERO_ERROR;
    const char *req;
    Locale valid, actual, reqLoc;
    
    // Calendar
#if !UCONFIG_NO_FORMATTING
    req = "en_US_BROOKLYN";
    Calendar* cal = Calendar::createInstance(Locale::createFromName(req), ec);
    if (U_FAILURE(ec)) {
        errln("FAIL: Calendar::createInstance failed");
    } else {
        valid = cal->getLocale(ULOC_VALID_LOCALE, ec);
        actual = cal->getLocale(ULOC_ACTUAL_LOCALE, ec);
        if (U_FAILURE(ec)) {
            errln("FAIL: Calendar::getLocale() failed");
        } else {
            _checklocs("Calendar", req, valid, actual);
        }
        /* Make sure that it fails correctly */
        ec = U_FILE_ACCESS_ERROR;
        if (cal->getLocale(ULOC_VALID_LOCALE, ec).getName()[0] != 0) {
            errln("FAIL: Calendar::getLocale() failed to fail correctly. It should have returned \"\"");
        }
        ec = U_ZERO_ERROR;
    }
    delete cal;
#endif

    // DecimalFormat, DecimalFormatSymbols
#if !UCONFIG_NO_FORMATTING
    req = "fr_FR_NICE";
    DecimalFormat* dec = (DecimalFormat*)
    NumberFormat::createInstance(Locale::createFromName(req), ec);
    if (U_FAILURE(ec)) {
        errln("FAIL: NumberFormat::createInstance failed");
    } else {
        if (dec->getDynamicClassID() != DecimalFormat::getStaticClassID()) {
            errln("FAIL: NumberFormat::createInstance does not return a DecimalFormat");
            return;
        }
        valid = dec->getLocale(ULOC_VALID_LOCALE, ec);
        actual = dec->getLocale(ULOC_ACTUAL_LOCALE, ec);
        if (U_FAILURE(ec)) {
            errln("FAIL: DecimalFormat::getLocale() failed");
        } else {
            _checklocs("DecimalFormat", req, valid, actual);
        }

        const DecimalFormatSymbols* sym = dec->getDecimalFormatSymbols();
        if (sym == NULL) {
            errln("FAIL: getDecimalFormatSymbols returned NULL");
            return;
        }
        valid = sym->getLocale(ULOC_VALID_LOCALE, ec);
        actual = sym->getLocale(ULOC_ACTUAL_LOCALE, ec);
        if (U_FAILURE(ec)) {
            errln("FAIL: DecimalFormatSymbols::getLocale() failed");
        } else {
            _checklocs("DecimalFormatSymbols", req, valid, actual);
        }        
    }
    delete dec;
#endif

    // DateFormat, DateFormatSymbols
#if !UCONFIG_NO_FORMATTING
    req = "de_CH_LUCERNE";
    SimpleDateFormat* dat = (SimpleDateFormat*)
        DateFormat::createDateInstance(DateFormat::kDefault,
                                       Locale::createFromName(req));
    if (dat == 0){
        dataerrln("Error calling DateFormat::createDateInstance()");
    } else {
        if (dat->getDynamicClassID() != SimpleDateFormat::getStaticClassID()) {
            errln("FAIL: NumberFormat::createInstance does not return a DecimalFormat");
            return;
        }
        valid = dat->getLocale(ULOC_VALID_LOCALE, ec);
        actual = dat->getLocale(ULOC_ACTUAL_LOCALE, ec);
        if (U_FAILURE(ec)) {
            errln("FAIL: SimpleDateFormat::getLocale() failed");
        } else {
            _checklocs("SimpleDateFormat", req, valid, actual);
        }
    
        const DateFormatSymbols* sym = dat->getDateFormatSymbols();
        if (sym == NULL) {
            errln("FAIL: getDateFormatSymbols returned NULL");
            return;
        }
        valid = sym->getLocale(ULOC_VALID_LOCALE, ec);
        actual = sym->getLocale(ULOC_ACTUAL_LOCALE, ec);
        if (U_FAILURE(ec)) {
            errln("FAIL: DateFormatSymbols::getLocale() failed");
        } else {
            _checklocs("DateFormatSymbols", req, valid, actual);
        }        
    }
    delete dat;
#endif

    // BreakIterator
#if !UCONFIG_NO_BREAK_ITERATION
    req = "es_ES_BARCELONA";
    reqLoc = Locale::createFromName(req);
    BreakIterator* brk = BreakIterator::createWordInstance(reqLoc, ec);
    if (U_FAILURE(ec)) {
        errln("FAIL: BreakIterator::createWordInstance failed");
    } else {
        valid = brk->getLocale(ULOC_VALID_LOCALE, ec);
        actual = brk->getLocale(ULOC_ACTUAL_LOCALE, ec);
        if (U_FAILURE(ec)) {
            errln("FAIL: BreakIterator::getLocale() failed");
        } else {
            _checklocs("BreakIterator", req, valid, actual);
        }
        
        // After registering something, the behavior should be different
        URegistryKey key = BreakIterator::registerInstance(brk, reqLoc, UBRK_WORD, ec);
        brk = 0; // registerInstance adopts
        if (U_FAILURE(ec)) {
            errln("FAIL: BreakIterator::registerInstance() failed");
        } else {
            brk = BreakIterator::createWordInstance(reqLoc, ec);
            if (U_FAILURE(ec)) {
                errln("FAIL: BreakIterator::createWordInstance failed");
            } else {
                valid = brk->getLocale(ULOC_VALID_LOCALE, ec);
                actual = brk->getLocale(ULOC_ACTUAL_LOCALE, ec);
                if (U_FAILURE(ec)) {
                    errln("FAIL: BreakIterator::getLocale() failed");
                } else {
                    // N.B.: now expect valid==actual==req
                    _checklocs("BreakIterator(registered)",
                               req, valid, actual, "eq", "eq");
                }
            }
            // No matter what, unregister
            BreakIterator::unregister(key, ec);
            if (U_FAILURE(ec)) {
                errln("FAIL: BreakIterator::unregister() failed");
            }
            delete brk;
            brk = 0;
        }

        // After unregistering, should behave normally again
        brk = BreakIterator::createWordInstance(reqLoc, ec);
        if (U_FAILURE(ec)) {
            errln("FAIL: BreakIterator::createWordInstance failed");
        } else {
            valid = brk->getLocale(ULOC_VALID_LOCALE, ec);
            actual = brk->getLocale(ULOC_ACTUAL_LOCALE, ec);
            if (U_FAILURE(ec)) {
                errln("FAIL: BreakIterator::getLocale() failed");
            } else {
                _checklocs("BreakIterator(unregistered)", req, valid, actual);
            }
        }
    }
    delete brk;
#endif

    // Collator
#if !UCONFIG_NO_COLLATION
    req = "hi_IN_BHOPAL";
    reqLoc = Locale::createFromName(req);
    Collator* coll = Collator::createInstance(reqLoc, ec);
    if (U_FAILURE(ec)) {
        errln("FAIL: Collator::createInstance failed");
    } else {
        valid = coll->getLocale(ULOC_VALID_LOCALE, ec);
        actual = coll->getLocale(ULOC_ACTUAL_LOCALE, ec);
        if (U_FAILURE(ec)) {
            errln("FAIL: Collator::getLocale() failed");
        } else {
            _checklocs("Collator", req, valid, actual);
        }

        // After registering something, the behavior should be different
        URegistryKey key = Collator::registerInstance(coll, reqLoc, ec);
        coll = 0; // registerInstance adopts
        if (U_FAILURE(ec)) {
            errln("FAIL: Collator::registerInstance() failed");
        } else {
            coll = Collator::createInstance(reqLoc, ec);
            if (U_FAILURE(ec)) {
                errln("FAIL: Collator::createWordInstance failed");
            } else {
                valid = coll->getLocale(ULOC_VALID_LOCALE, ec);
                actual = coll->getLocale(ULOC_ACTUAL_LOCALE, ec);
                if (U_FAILURE(ec)) {
                    errln("FAIL: Collator::getLocale() failed");
                } else {
                    // N.B.: now expect valid==actual==req
                    _checklocs("Collator(registered)",
                               req, valid, actual, "eq", "eq");
                }
            }
            // No matter what, unregister
            Collator::unregister(key, ec);
            if (U_FAILURE(ec)) {
                errln("FAIL: Collator::unregister() failed");
            }
            delete coll;
            coll = 0;
        }

        // After unregistering, should behave normally again
        coll = Collator::createInstance(reqLoc, ec);
        if (U_FAILURE(ec)) {
            errln("FAIL: Collator::createInstance failed");
        } else {
            valid = coll->getLocale(ULOC_VALID_LOCALE, ec);
            actual = coll->getLocale(ULOC_ACTUAL_LOCALE, ec);
            if (U_FAILURE(ec)) {
                errln("FAIL: Collator::getLocale() failed");
            } else {
                _checklocs("Collator(unregistered)", req, valid, actual);
            }
        }
    }
    delete coll;
#endif
#endif
}

void LocaleTest::TestVariantWithOutCountry(void) {
    Locale loc("en","","POSIX");
    if (0 != strcmp(loc.getVariant(), "POSIX")) {
        errln("FAIL: en__POSIX didn't get parsed correctly");
    }
    Locale loc2("en","","FOUR");
    if (0 != strcmp(loc2.getVariant(), "FOUR")) {
        errln("FAIL: en__FOUR didn't get parsed correctly");
    }
    Locale loc3("en","Latn","","FOUR");
    if (0 != strcmp(loc3.getVariant(), "FOUR")) {
        errln("FAIL: en_Latn__FOUR didn't get parsed correctly");
    }
    Locale loc4("","Latn","","FOUR");
    if (0 != strcmp(loc4.getVariant(), "FOUR")) {
        errln("FAIL: _Latn__FOUR didn't get parsed correctly");
    }
    Locale loc5("","Latn","US","FOUR");
    if (0 != strcmp(loc5.getVariant(), "FOUR")) {
        errln("FAIL: _Latn_US_FOUR didn't get parsed correctly");
    }
}

static Locale _canonicalize(int32_t selector, /* 0==createFromName, 1==createCanonical, 2==Locale ct */
                            const char* localeID) {
    switch (selector) {
    case 0:
        return Locale::createFromName(localeID);
    case 1:
        return Locale::createCanonical(localeID);
    case 2:
        return Locale(localeID);
    default:
        return Locale("");
    }
}

void LocaleTest::TestCanonicalization(void)
{
    static const struct {
        const char *localeID;    /* input */
        const char *getNameID;   /* expected getName() result */
        const char *canonicalID; /* expected canonicalize() result */
    } testCases[] = {
        { "ca_ES_PREEURO-with-extra-stuff-that really doesn't make any sense-unless-you're trying to increase code coverage",
          "ca_ES_PREEURO_WITH_EXTRA_STUFF_THAT REALLY DOESN'T MAKE ANY SENSE_UNLESS_YOU'RE TRYING TO INCREASE CODE COVERAGE",
          "ca_ES_PREEURO_WITH_EXTRA_STUFF_THAT REALLY DOESN'T MAKE ANY SENSE_UNLESS_YOU'RE TRYING TO INCREASE CODE COVERAGE"},
        { "ca_ES_PREEURO", "ca_ES_PREEURO", "ca_ES@currency=ESP" },
        { "de_AT_PREEURO", "de_AT_PREEURO", "de_AT@currency=ATS" },
        { "de_DE_PREEURO", "de_DE_PREEURO", "de_DE@currency=DEM" },
        { "de_LU_PREEURO", "de_LU_PREEURO", "de_LU@currency=LUF" },
        { "el_GR_PREEURO", "el_GR_PREEURO", "el_GR@currency=GRD" },
        { "en_BE_PREEURO", "en_BE_PREEURO", "en_BE@currency=BEF" },
        { "en_IE_PREEURO", "en_IE_PREEURO", "en_IE@currency=IEP" },
        { "es_ES_PREEURO", "es_ES_PREEURO", "es_ES@currency=ESP" },
        { "eu_ES_PREEURO", "eu_ES_PREEURO", "eu_ES@currency=ESP" },
        { "fi_FI_PREEURO", "fi_FI_PREEURO", "fi_FI@currency=FIM" },
        { "fr_BE_PREEURO", "fr_BE_PREEURO", "fr_BE@currency=BEF" },
        { "fr_FR_PREEURO", "fr_FR_PREEURO", "fr_FR@currency=FRF" },
        { "fr_LU_PREEURO", "fr_LU_PREEURO", "fr_LU@currency=LUF" },
        { "ga_IE_PREEURO", "ga_IE_PREEURO", "ga_IE@currency=IEP" },
        { "gl_ES_PREEURO", "gl_ES_PREEURO", "gl_ES@currency=ESP" },
        { "it_IT_PREEURO", "it_IT_PREEURO", "it_IT@currency=ITL" },
        { "nl_BE_PREEURO", "nl_BE_PREEURO", "nl_BE@currency=BEF" },
        { "nl_NL_PREEURO", "nl_NL_PREEURO", "nl_NL@currency=NLG" },
        { "pt_PT_PREEURO", "pt_PT_PREEURO", "pt_PT@currency=PTE" },
        { "de__PHONEBOOK", "de__PHONEBOOK", "de@collation=phonebook" },
        { "en_GB_EURO", "en_GB_EURO", "en_GB@currency=EUR" },
        { "en_GB@EURO", "en_GB@EURO", "en_GB@currency=EUR" }, /* POSIX ID */
        { "es__TRADITIONAL", "es__TRADITIONAL", "es@collation=traditional" },
        { "hi__DIRECT", "hi__DIRECT", "hi@collation=direct" },
        { "ja_JP_TRADITIONAL", "ja_JP_TRADITIONAL", "ja_JP@calendar=japanese" },
        { "th_TH_TRADITIONAL", "th_TH_TRADITIONAL", "th_TH@calendar=buddhist" },
        { "zh_TW_STROKE", "zh_TW_STROKE", "zh_Hant_TW@collation=stroke" },
        { "zh__PINYIN", "zh__PINYIN", "zh@collation=pinyin" },
        { "zh@collation=pinyin", "zh@collation=pinyin", "zh@collation=pinyin" },
        { "zh_CN@collation=pinyin", "zh_CN@collation=pinyin", "zh_CN@collation=pinyin" },
        { "zh_CN_CA@collation=pinyin", "zh_CN_CA@collation=pinyin", "zh_CN_CA@collation=pinyin" },
        { "en_US_POSIX", "en_US_POSIX", "en_US_POSIX" }, 
        { "hy_AM_REVISED", "hy_AM_REVISED", "hy_AM_REVISED" }, 
        { "no_NO_NY", "no_NO_NY", "no_NO_NY" /* not: "nn_NO" [alan ICU3.0] */ },
        { "no@ny", "no@ny", "no__NY" /* not: "nn" [alan ICU3.0] */ }, /* POSIX ID */
        { "no-no.utf32@B", "no_NO.utf32@B", "no_NO_B" /* not: "nb_NO_B" [alan ICU3.0] */ }, /* POSIX ID */
        { "qz-qz@Euro", "qz_QZ@Euro", "qz_QZ@currency=EUR" }, /* qz-qz uses private use iso codes */
        // NOTE: uloc_getName() works on en-BOONT, but Locale() parser considers it BOGUS
        // TODO: unify this behavior
        { "en-BOONT", "BOGUS", "en__BOONT" }, /* registered name */
        { "de-1901", "de_1901", "de__1901" }, /* registered name */
        { "de-1906", "de_1906", "de__1906" }, /* registered name */
        { "sr-SP-Cyrl", "sr_SP_CYRL", "sr_Cyrl_CS" }, /* .NET name */
        { "sr-SP-Latn", "sr_SP_LATN", "sr_Latn_CS" }, /* .NET name */
        { "sr_YU_CYRILLIC", "sr_YU_CYRILLIC", "sr_Cyrl_CS" }, /* Linux name */
        { "uz-UZ-Cyrl", "uz_UZ_CYRL", "uz_Cyrl_UZ" }, /* .NET name */
        { "uz-UZ-Latn", "uz_UZ_LATN", "uz_Latn_UZ" }, /* .NET name */
        { "zh-CHS", "zh_CHS", "zh_Hans" }, /* .NET name */
        { "zh-CHT", "zh_CHT", "zh_Hant" }, /* .NET name This may change back to zh_Hant */

        /* posix behavior that used to be performed by getName */
        { "mr.utf8", "mr.utf8", "mr" },
        { "de-tv.koi8r", "de_TV.koi8r", "de_TV" },
        { "x-piglatin_ML.MBE", "x-piglatin_ML.MBE", "x-piglatin_ML" },
        { "i-cherokee_US.utf7", "i-cherokee_US.utf7", "i-cherokee_US" },
        { "x-filfli_MT_FILFLA.gb-18030", "x-filfli_MT_FILFLA.gb-18030", "x-filfli_MT_FILFLA" },
        { "no-no-ny.utf8@B", "no_NO_NY.utf8@B", "no_NO_NY_B" /* not: "nn_NO" [alan ICU3.0] */ }, /* @ ignored unless variant is empty */

        /* fleshing out canonicalization */
        /* trim space and sort keywords, ';' is separator so not present at end in canonical form */
        { "en_Hant_IL_VALLEY_GIRL@ currency = EUR; calendar = Japanese ;", "en_Hant_IL_VALLEY_GIRL@calendar=Japanese;currency=EUR", "en_Hant_IL_VALLEY_GIRL@calendar=Japanese;currency=EUR" },
        /* already-canonical ids are not changed */
        { "en_Hant_IL_VALLEY_GIRL@calendar=Japanese;currency=EUR", "en_Hant_IL_VALLEY_GIRL@calendar=Japanese;currency=EUR", "en_Hant_IL_VALLEY_GIRL@calendar=Japanese;currency=EUR" },
        /* PRE_EURO and EURO conversions don't affect other keywords */
        { "es_ES_PREEURO@CALendar=Japanese", "es_ES_PREEURO@calendar=Japanese", "es_ES@calendar=Japanese;currency=ESP" },
        { "es_ES_EURO@SHOUT=zipeedeedoodah", "es_ES_EURO@shout=zipeedeedoodah", "es_ES@currency=EUR;shout=zipeedeedoodah" },
        /* currency keyword overrides PRE_EURO and EURO currency */
        { "es_ES_PREEURO@currency=EUR", "es_ES_PREEURO@currency=EUR", "es_ES@currency=EUR" },
        { "es_ES_EURO@currency=ESP", "es_ES_EURO@currency=ESP", "es_ES@currency=ESP" },
        /* norwegian is just too weird, if we handle things in their full generality */
        { "no-Hant-GB_NY@currency=$$$", "no_Hant_GB_NY@currency=$$$", "no_Hant_GB_NY@currency=$$$" /* not: "nn_Hant_GB@currency=$$$" [alan ICU3.0] */ },

        /* test cases reflecting internal resource bundle usage */
        { "root@kw=foo", "root@kw=foo", "root@kw=foo" },
        { "@calendar=gregorian", "@calendar=gregorian", "@calendar=gregorian" },
        { "ja_JP@calendar=Japanese", "ja_JP@calendar=Japanese", "ja_JP@calendar=Japanese" }
    };
    
    static const char* label[] = { "createFromName", "createCanonical", "Locale" };

    int32_t i, j;
    
    for (i=0; i < (int)(sizeof(testCases)/sizeof(testCases[0])); i++) {
        for (j=0; j<3; ++j) {
            const char* expected = (j==1) ? testCases[i].canonicalID : testCases[i].getNameID;
            Locale loc = _canonicalize(j, testCases[i].localeID);
            const char* getName = loc.isBogus() ? "BOGUS" : loc.getName();
            if(uprv_strcmp(expected, getName) != 0) {
                errln("FAIL: %s(%s).getName() => \"%s\", expected \"%s\"",
                      label[j], testCases[i].localeID, getName, expected);
            } else {
                logln("Ok: %s(%s) => \"%s\"",
                      label[j], testCases[i].localeID, getName);
            }
        }
    }
}