/*

 * 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.

 */

/*

 *

 */

import java.text.*;

import java.util.*;

import sun.util.locale.provider.*;

public class GenericTest {

    // test providers

    com.foo.BreakIteratorProviderImpl breakIP = new com.foo.BreakIteratorProviderImpl();

    com.foo.CollatorProviderImpl collatorP = new com.foo.CollatorProviderImpl();

    com.foo.DateFormatProviderImpl dateFP = new com.foo.DateFormatProviderImpl();

    com.foo.DateFormatSymbolsProviderImpl dateFSP = new com.foo.DateFormatSymbolsProviderImpl();

    com.foo.DecimalFormatSymbolsProviderImpl decimalFSP = new com.foo.DecimalFormatSymbolsProviderImpl();

    com.foo.NumberFormatProviderImpl numberFP = new com.foo.NumberFormatProviderImpl();

    com.bar.CurrencyNameProviderImpl currencyNP = new com.bar.CurrencyNameProviderImpl();

    com.bar.CurrencyNameProviderImpl2 currencyNP2 = new com.bar.CurrencyNameProviderImpl2();

    com.bar.LocaleNameProviderImpl localeNP = new com.bar.LocaleNameProviderImpl();

    com.bar.TimeZoneNameProviderImpl tzNP = new com.bar.TimeZoneNameProviderImpl();

    com.bar.CalendarDataProviderImpl calDataP = new com.bar.CalendarDataProviderImpl();

    public static void main(String[] s) {

        new GenericTest();

    }

    GenericTest() {

        availableLocalesTest();

        localeFallbackTest();

    }

    /**

     * Make sure that all the locales are available from the existing providers

     */

    void availableLocalesTest() {

        // Check that Locale.getAvailableLocales() returns the union of the JRE supported

        // locales and providers' locales

        HashSet<Locale> result =

            new HashSet<>(Arrays.asList(Locale.getAvailableLocales()));

        HashSet<Locale> expected =

            new HashSet<>(Arrays.asList(LocaleProviderAdapter.forJRE().getAvailableLocales()));

        expected.addAll(Arrays.asList(breakIP.getAvailableLocales()));

        expected.addAll(Arrays.asList(collatorP.getAvailableLocales()));

        expected.addAll(Arrays.asList(dateFP.getAvailableLocales()));

        expected.addAll(Arrays.asList(dateFSP.getAvailableLocales()));

        expected.addAll(Arrays.asList(decimalFSP.getAvailableLocales()));

        expected.addAll(Arrays.asList(numberFP.getAvailableLocales()));

        expected.addAll(Arrays.asList(currencyNP.getAvailableLocales()));

        expected.addAll(Arrays.asList(currencyNP2.getAvailableLocales()));

        expected.addAll(Arrays.asList(localeNP.getAvailableLocales()));

        expected.addAll(Arrays.asList(tzNP.getAvailableLocales()));

        expected.addAll(Arrays.asList(calDataP.getAvailableLocales()));

        if (!result.equals(expected)) {

            throw new RuntimeException("Locale.getAvailableLocales() does not return the union of locales: diff="

                                       + getDiff(result, expected));

        }

    }

    /**

     * test with "xx_YY_ZZ", which is an example locale not contained

     * in Locale.getAvailableLocales().  Fallback tests for supported locales

     * are done in each xxxProviderTest test cases.

     */

    void localeFallbackTest() {

        Locale xx = new Locale("xx");

        Locale dispLocale = new Locale ("xx", "YY", "ZZ");

        String xxname = xx.getDisplayLanguage(xx);

        String expected = localeNP.getDisplayLanguage(xx.getLanguage(), dispLocale);

        if (!xxname.equals(expected)) {

            throw new RuntimeException("Locale fallback did not perform correctly. got: "+xxname+" expected: "+expected);

        }

    }

    private static String getDiff(Set set1, Set set2) {

        Set s1 = (Set)((HashSet)set1).clone();

        s1.removeAll(set2);

        Set s2 = (Set)((HashSet)set2).clone();

        s2.removeAll(set1);

        s2.addAll(s1);

        return s2.toString();

    }

}