Quelle TZ.java Sprache: JAVA

/*
* 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.
*
* 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      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");
        }
    }
}

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