/*
* This file is part of the Echo Web Application Framework (hereinafter "Echo").
* Copyright (C) 2002-2009 NextApp, Inc.
*
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*/
package nextapp.echo2.app.test;
import nextapp.echo2.app.event.ListDataEvent;
import nextapp.echo2.app.event.ListDataListener;
import nextapp.echo2.app.list.DefaultListModel;
import junit.framework.TestCase;
/**
* Unit test(s) for the <code>nextapp.echo2.app.list.ListModel</code> and
* derivatives.
*/
public class ListModelTest extends TestCase {
private class ListenerTestDefaultListModel extends DefaultListModel {
public int getEventListenerCount() {
return getEventListenerList().getListenerCount(ListDataListener.class);
}
}
private class TestListDataListener
implements ListDataListener {
private ListDataEvent changeEvent, addEvent, removeEvent;
/**
* @see nextapp.echo2.app.event.ListDataListener#contentsChanged(nextapp.echo2.app.event.ListDataEvent)
*/
public void contentsChanged(ListDataEvent e) {
changeEvent = e;
}
/**
* @see nextapp.echo2.app.event.ListDataListener#intervalAdded(nextapp.echo2.app.event.ListDataEvent)
*/
public void intervalAdded(ListDataEvent e) {
addEvent = e;
}
/**
* @see nextapp.echo2.app.event.ListDataListener#intervalRemoved(nextapp.echo2.app.event.ListDataEvent)
*/
public void intervalRemoved(ListDataEvent e) {
removeEvent = e;
}
}
public void testAddAtEnd() {
DefaultListModel listModel = new DefaultListModel(new Object[]{"alpha", "bravo", "charlie"});
TestListDataListener testListener = new TestListDataListener();
listModel.addListDataListener(testListener);
listModel.add("delta");
assertEquals(4, listModel.size());
assertEquals("alpha", listModel.get(0));
assertEquals("bravo", listModel.get(1));
assertEquals("charlie", listModel.get(2));
assertEquals("delta", listModel.get(3));
assertNull(testListener.changeEvent);
assertNull(testListener.removeEvent);
assertNotNull(testListener.addEvent);
assertEquals(listModel, testListener.addEvent.getSource());
assertEquals(3, testListener.addEvent.getIndex0());
assertEquals(3, testListener.addEvent.getIndex1());
assertEquals(ListDataEvent.INTERVAL_ADDED, testListener.addEvent.getType());
}
public void testAddAtIndex() {
DefaultListModel listModel = new DefaultListModel(new Object[]{"alpha", "bravo", "charlie"});
TestListDataListener testListener = new TestListDataListener();
listModel.addListDataListener(testListener);
listModel.add(2, "delta");
assertEquals(4, listModel.size());
assertEquals("alpha", listModel.get(0));
assertEquals("bravo", listModel.get(1));
assertEquals("delta", listModel.get(2));
assertEquals("charlie", listModel.get(3));
assertNull(testListener.changeEvent);
assertNull(testListener.removeEvent);
assertNotNull(testListener.addEvent);
assertEquals(listModel, testListener.addEvent.getSource());
assertEquals(2, testListener.addEvent.getIndex0());
assertEquals(2, testListener.addEvent.getIndex1());
assertEquals(ListDataEvent.INTERVAL_ADDED, testListener.addEvent.getType());
}
public void testBasic() {
DefaultListModel listModel = new DefaultListModel(new Object[]{"alpha", "bravo", "charlie"});
assertEquals(3, listModel.size());
assertEquals("alpha", listModel.get(0));
assertEquals("bravo", listModel.get(1));
assertEquals("charlie", listModel.get(2));
assertEquals(1, listModel.indexOf("bravo"));
}
public void testListenerManagement() {
ListenerTestDefaultListModel listModel = new ListenerTestDefaultListModel();
TestListDataListener testListener = new TestListDataListener();
assertEquals(0, listModel.getEventListenerCount());
listModel.addListDataListener(testListener);
assertEquals(1, listModel.getEventListenerCount());
listModel.removeListDataListener(testListener);
assertEquals(0, listModel.getEventListenerCount());
}
public void testRemoveByIndex() {
DefaultListModel listModel = new DefaultListModel(new Object[]{"alpha", "bravo", "charlie"});
TestListDataListener testListener = new TestListDataListener();
listModel.addListDataListener(testListener);
listModel.remove(1);
assertEquals(2, listModel.size());
assertEquals("alpha", listModel.get(0));
assertEquals("charlie", listModel.get(1));
assertNull(testListener.changeEvent);
assertNull(testListener.addEvent);
assertNotNull(testListener.removeEvent);
assertEquals(listModel, testListener.removeEvent.getSource());
assertEquals(1, testListener.removeEvent.getIndex0());
assertEquals(1, testListener.removeEvent.getIndex1());
assertEquals(ListDataEvent.INTERVAL_REMOVED, testListener.removeEvent.getType());
}
public void testRemoveByItem() {
DefaultListModel listModel = new DefaultListModel(new Object[]{"alpha", "bravo", "charlie"});
TestListDataListener testListener = new TestListDataListener();
listModel.addListDataListener(testListener);
listModel.remove("bravo");
assertEquals(2, listModel.size());
assertEquals("alpha", listModel.get(0));
assertEquals("charlie", listModel.get(1));
assertNull(testListener.changeEvent);
assertNull(testListener.addEvent);
assertNotNull(testListener.removeEvent);
assertEquals(listModel, testListener.removeEvent.getSource());
assertEquals(1, testListener.removeEvent.getIndex0());
assertEquals(1, testListener.removeEvent.getIndex1());
assertEquals(ListDataEvent.INTERVAL_REMOVED, testListener.removeEvent.getType());
}
}