TestCollect.java :  » Code-Analyzer » doctorj » org » incava » util » Java Open Source

package org.incava.util;

import java.awt.Point;
import java.io.*;
import java.util.*;
import junit.framework.TestCase;


public class TestCollect extends TestCase
{
    public TestCollect(String name)
    {
        super(name);
    }
    
    public void test()
    {
        List list = new ArrayList();
        list.add("one");
        list.add("two");
        list.add("three");
        list.add("four");

        List collected = new Collect(list) {
                public boolean where(Object obj) {
                    return ((String)obj).indexOf('o') != -1;
                }
            };
        assertEquals(3, collected.size());
        assertEquals("one", (String)collected.get(0));
        assertEquals("two", (String)collected.get(1));
        assertEquals("four", (String)collected.get(2));
    }
    
    public void testBlock()
    {
        List list = new ArrayList();
        list.add(new Point(4,  5));
        list.add(new Point(2,  15));
        list.add(new Point(9,  11));
        list.add(new Point(24, 7));
        list.add(new Point(3,  12));

        List collected = new Collect(list) {
                public boolean where(Object obj) {
                    return ((Point)obj).x % 2 == 0;
                }

                public Object block(Object obj) {
                    Point pt = (Point)obj;
                    return new Integer(pt.y);
                }
            };
        assertEquals(3, collected.size());
        assertEquals(new Integer(5),  (Integer)collected.get(0));
        assertEquals(new Integer(15), (Integer)collected.get(1));
        assertEquals(new Integer(7),  (Integer)collected.get(2));
    }
    
}