/*

 * Copyright (c) 2003, 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 4851640

 * @summary Make sure not to set UNSET fields to COMPUTED after time calculation.

 */

import java.util.GregorianCalendar;

import static java.util.Calendar.*;

public class Bug4851640 {

    public static void main(String args[]) {

        GregorianCalendar cal = new GregorianCalendar();

        cal.clear();

        cal.set(YEAR, 2003);

        long t = cal.getTime().getTime();

        // For the time calculation, the MONTH and DAY_OF_MONTH fields

        // (with the default values) have been used for determining

        // the date.  However, both the MONTH and DAY_OF_MONTH fields

        // should be kept UNSET after the time calculation.

        if (cal.isSet(MONTH) || cal.isSet(DAY_OF_MONTH)) {

            throw new RuntimeException("After getTime(): MONTH field=" + cal.isSet(MONTH)

                                       + ", DAY_OF_MONTH field=" + cal.isSet(DAY_OF_MONTH));

        }

        // After calling get() for any field, all field values are

        // recalculated and their field states are set to

        // COMPUTED. isSet() must return true.

        int y = cal.get(YEAR);

        if (!(cal.isSet(MONTH) && cal.isSet(DAY_OF_MONTH))) {

            throw new RuntimeException("After get(): MONTH field=" + cal.isSet(MONTH)

                                       + ", DAY_OF_MONTH field=" + cal.isSet(DAY_OF_MONTH));

        }

    }

}