/*

 * Copyright (c) 1998, 2016, 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.

 *

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 */

/* @test

 * @bug      4108737

 * @summary  java.util.Date doesn't fail if current TimeZone is changed

 */

import java.util.TimeZone;

import java.util.Date;

public class TZ {

    public static void main(String args[]) {

        TimeZone tz = TimeZone.getDefault();

        try {

            testMain();

        } finally {

            TimeZone.setDefault(tz);

        }

    }

    static void testMain() {

        String expectedResult = "Sat Feb 01 00:00:00 PST 1997";

        // load the java.util.Date class in the GMT timezone

        TimeZone.setDefault(TimeZone.getTimeZone("GMT"));

        new Date(); // load the class (to run static initializers)

        // use the class in different timezone

        TimeZone.setDefault(TimeZone.getTimeZone("PST"));

        @SuppressWarnings("deprecation")

        Date date = new Date(97, 1, 1);

        if (!date.toString().equals(expectedResult)) {

            throw new RuntimeException("Regression bug id #4108737 - Date fails if default time zone changed");

        }

    }

}