/*
 * Copyright (c) 2012, 2018 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 8003267
 * @summary Unit test for generic time zone names support. This test is locale
 *          data-dependent and assumes that both JRE and CLDR have the same
 *          geneic time zone names in English.
 * @modules java.base/sun.util.locale.provider
 * @comment Locale providers: default
 * @run main GenericTimeZoneNamesTest en-US
 * @comment Locale providers: CLDR
 * @run main/othervm -Djava.locale.providers=CLDR GenericTimeZoneNamesTest en-US
*/

import java.util.Locale;
import java.util.TimeZone;

import sun.util.locale.provider.TimeZoneNameUtility;

public class GenericTimeZoneNamesTest {
    private static final String[] PT = {
        "America/Los_Angeles", "US/Pacific", "PST"
    };

    private static int errors = 0;

    public static void main(String[] args) {
        for (String tag : args) {
            Locale locale = Locale.forLanguageTag(tag);
            for (String tzid : PT) {
                test(tzid, TimeZone.LONG, locale, "Pacific Time");
                test(tzid, TimeZone.SHORT, locale, "PT");
            }
        }

        if (errors != 0) {
            throw new RuntimeException("test failed");
        }
    }

    private static void test(String tzid, int style, Locale locale, String expected) {
        // No public API to get generic time zone names (JDK 8)
        String got = TimeZoneNameUtility.retrieveGenericDisplayName(tzid, style, locale);
        if (!expected.equals(got)) {
            System.err.printf("test: tzid=%s, locale=%s, style=%d, got=\"%s\", expected=\"%s\"%n",
                              tzid, locale, style, got, expected);
            errors++;
        }
    }
}