/*

 * Copyright (c) 2007, 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 4425885

 * @summary Tests VetoableChangeListener notification

 * @author Sergey Malenkov

 */

import java.beans.PropertyChangeEvent;

import java.beans.PropertyVetoException;

import java.beans.VetoableChangeListener;

import java.beans.VetoableChangeSupport;

public class Test4425885 {

    private static final String PROPERTY = "property"; // NON-NLS: predefined property name

    public static void main(String[] args) {

        CheckListener first = new CheckListener();

        VetoListener second = new VetoListener();

        CheckListener third = new CheckListener();

        VetoableChangeSupport vcs = new VetoableChangeSupport(Test4425885.class);

        vcs.addVetoableChangeListener(PROPERTY, first);

        vcs.addVetoableChangeListener(PROPERTY, second);

        vcs.addVetoableChangeListener(PROPERTY, third);

        try {

            vcs.fireVetoableChange(PROPERTY, 0, 1);

        } catch (PropertyVetoException exception) {

            if (first.odd)

                throw new Error("no undo for the first listener", exception);

            if (third.odd)

                throw new Error("no undo for the third listener", exception);

            return; // expected exception

        }

        throw new Error("exception should be thrown");

    }

    private static class CheckListener implements VetoableChangeListener {

        private boolean odd; // even/odd check for notification

        public void vetoableChange(PropertyChangeEvent event) throws PropertyVetoException {

            this.odd = !this.odd;

        }

    }

    private static class VetoListener implements VetoableChangeListener {

        public void vetoableChange(PropertyChangeEvent event) throws PropertyVetoException {

            throw new PropertyVetoException("disable all changes", event);

        }

    }

}