/*

 * 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.

 *

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 */

/*

 * @test

 * @run main/manual TestVetoableChangeSupport

 * @summary Tests just a benchmark of VetoableChangeSupport performance

 * @author Sergey Malenkov

 */

import java.beans.PropertyChangeEvent;

import java.beans.PropertyVetoException;

import java.beans.VetoableChangeListener;

import java.beans.VetoableChangeSupport;

public class TestVetoableChangeSupport implements VetoableChangeListener {

    private static final String NAME = "property";

    public static void main(String[] args) throws PropertyVetoException {

        for (int i = 1; i <= 3; i++) {

            test(i, 1, 10000000);

            test(i, 10, 1000000);

            test(i, 100, 100000);

            test(i, 1000, 10000);

            test(i, 10000, 1000);

            test(i, 20000, 1000);

        }

    }

    private static void test(int step, int listeners, int attempts) throws PropertyVetoException {

        TestVetoableChangeSupport test = new TestVetoableChangeSupport();

        VetoableChangeSupport vcs = new VetoableChangeSupport(test);

        PropertyChangeEvent eventNull = new PropertyChangeEvent(test, null, null, null);

        PropertyChangeEvent eventName = new PropertyChangeEvent(test, NAME, null, null);

        long time1 = System.currentTimeMillis();

        for (int i = 0; i < listeners; i++) {

            vcs.addVetoableChangeListener(test);

            vcs.addVetoableChangeListener(NAME, test);

        }

        long time2 = System.currentTimeMillis();

        for (int i = 0; i < attempts; i++) {

            vcs.fireVetoableChange(eventNull);

            vcs.fireVetoableChange(eventName);

        }

        long time3 = System.currentTimeMillis();

        time1 = time2 - time1; // time of adding the listeners

        time2 = time3 - time2; // time of firing the events

        System.out.println("Step: " + step

                        + "; Listeners: " + listeners

                        + "; Attempts: " + attempts

                        + "; Time (ms): " + time1 + "/" + time2);

    }

    public void vetoableChange(PropertyChangeEvent event) {

    }

}