/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 * 
 *    (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    version 2.1 of the License.
 *
 *    This library 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
 *    Lesser General Public License for more details.
 */
package org.geotools.util;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

import junit.framework.TestCase;

public class CollectionConverterFactoryTest extends TestCase {

    public void testCollectionToCollection() throws Exception {
        List source = new ArrayList();
        source.add( 1 );
        source.add( 2 );
        
        Object converted = 
            CollectionConverterFactory.CollectionToCollection.convert(source, Set.class);
        
        assertTrue(converted instanceof Set);
        Set target = (Set) converted;
        assertTrue( target.contains( 1 ) );
        assertTrue( target.contains( 2 ) );
    }
    
    public void testCollectionToArray() throws Exception {
        List source = new ArrayList();
        source.add( 1 );
        source.add( 2 );
        
        Object converted = 
            CollectionConverterFactory.CollectionToArray.convert( source, Integer[].class );
        assertTrue( converted instanceof Integer[] );
        Integer[] target = (Integer[]) converted;
        assertEquals( new Integer(1), target[0] );
        assertEquals( new Integer(2), target[1] );
    }
    
    public void testArrayToCollection() throws Exception {
        Integer[] source = new Integer[]{ 1, 2 };
        
        Object converted = 
            CollectionConverterFactory.ArrayToCollection.convert( source, List.class );
        assertTrue( converted instanceof List );
        List target = (List) converted;
        assertEquals( new Integer( 1 ), target.get( 0 ) );
        assertEquals( new Integer( 2 ), target.get( 1 ) );
        
    }
    
    public void testArrayToArray() throws Exception {
        Integer[] source = new Integer[]{ 1, 2 };
        
        Object converted = 
            CollectionConverterFactory.ArrayToArray.convert( source, Number[].class );
        assertTrue( converted instanceof Number[] );
        Number[] target = (Number[]) converted;
        assertEquals( 1, target[0].intValue() );
        assertEquals( 2, target[1].intValue() );
    }
}