filteriteratortest.java

Rapla是一个灵活的多用户资源管理系统。它提供的一些功能有：日历GUI

/*--------------------------------------------------------------------------*
 | Copyright (C) 2006 Christopher Kohlhaas                                  |
 |                                                                          |
 | This program is free software; you can redistribute it and/or modify     |
 | it under the terms of the GNU General Public License as published by the |
 | Free Software Foundation. A copy of the license has been included with   |
 | these distribution in the COPYING file, if not go to www.fsf.org         |
 |                                                                          |
 | As a special exception, you are granted the permissions to link this     |
 | program with every library, which license fulfills the Open Source       |
 | Definition as published by the Open Source Initiative (OSI).             |
 *--------------------------------------------------------------------------*/
package org.rapla.components.util;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.rapla.components.util.iterator.FilterIterator;

import junit.framework.*;

public class FilterIteratorTest extends TestCase {

    public FilterIteratorTest(String name) {
        super(name);
    }

    public void testIterator() {
        List list = new ArrayList();
        for (int i=0;i<6;i++) {
            list.add( new Integer(i));
        }
        Iterator it = new FilterIterator(list.iterator()) {
            protected boolean isInIterator( Object obj )
            {
                return ((Integer) obj).intValue() % 2 ==0; 
            }
        };
        for (int i=0;i<6;i++) {
            if ( i % 2 == 0)
                assertEquals( new Integer(i), it.next());
        }
        assertTrue( it.hasNext() == false);
    }
}