/*

 * 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 5004188

 * @summary Tests sequence of listeners

 * @author Sergey Malenkov

 */

import java.beans.PropertyChangeEvent;

import java.beans.PropertyChangeListener;

import java.beans.PropertyChangeListenerProxy;

import java.beans.PropertyChangeSupport;

public final class TestListeners implements PropertyChangeListener {

    private static final String NAME = "property";

    private static final String NONE = "broken";

    private static int current;

    public static void main(String[] args) {

        PropertyChangeSupport pcs = new PropertyChangeSupport(TestListeners.class);

        pcs.addPropertyChangeListener(new TestListeners(0));

        pcs.addPropertyChangeListener(NAME, new TestListeners(2));

        pcs.addPropertyChangeListener(new TestListeners(1));

        pcs.addPropertyChangeListener(NAME, new PropertyChangeListenerProxy(NAME, new TestListeners(3)));

        current = 0;

        pcs.firePropertyChange(NAME, 0, 1);

        if (current != 4)

            throw new Error("Expected 4 listeners, but called " + current);

        current = 0;

        pcs.firePropertyChange(NONE, 1, 0);

        if (current != 2)

            throw new Error("Expected 2 listeners, but called " + current);

        PropertyChangeListener[] all = pcs.getPropertyChangeListeners();

        if (all.length != 4)

            throw new Error("Expected 4 listeners, but contained " + all.length);

        PropertyChangeListener[] named = pcs.getPropertyChangeListeners(NAME);

        if (named.length != 2)

            throw new Error("Expected 2 named listeners, but contained " + named.length);

        PropertyChangeListener[] other = pcs.getPropertyChangeListeners(NONE);

        if (other.length != 0)

            throw new Error("Expected 0 other listeners, but contained " + other.length);

        pcs.removePropertyChangeListener(new TestListeners(0));

        pcs.removePropertyChangeListener(new TestListeners(1));

        pcs.removePropertyChangeListener(NAME, new TestListeners(2));

        pcs.removePropertyChangeListener(NAME, new PropertyChangeListenerProxy(NAME, new TestListeners(3)));

        all = pcs.getPropertyChangeListeners();

        if (all.length != 0)

            throw new Error("Expected 4 listeners, but contained " + all.length);

        named = pcs.getPropertyChangeListeners(NAME);

        if (named.length != 0)

            throw new Error("Expected 2 named listeners, but contained " + named.length);

        other = pcs.getPropertyChangeListeners(NONE);

        if (other.length != 0)

            throw new Error("Expected 0 other listeners, but contained " + other.length);

    }

    private final int index;

    public TestListeners(int index) {

        this.index = index;

    }

    public void propertyChange(PropertyChangeEvent event) {

        if (this.index < 0)

            throw new Error("Unexpected listener: " + this.index);

        System.out.println("index = " + this.index);

        if (this.index != current++)

            throw new Error("Unexpected listener: " + this.index);

    }

    @Override

    public boolean equals(Object object) {

        if (object instanceof TestListeners) {

            TestListeners test = (TestListeners)object;

            return test.index == this.index;

        }

        return false;

    }

    @Override

    public int hashCode() {

        return this.index;

    }

}