/*******************************************************************************
 * Copyright (c) 2007 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 ******************************************************************************/

package org.eclipse.core.tests.databinding;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashSet;

import junit.framework.Assert;

import org.eclipse.core.databinding.observable.list.WritableList;
import org.eclipse.core.databinding.observable.set.WritableSet;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;

/**
 * @since 3.2
 *
 */
public class SerializableTest extends AbstractDefaultRealmTestCase{
	
	
	
	public void testWritableList() throws Exception{
		
		try{
		WritableList list = new WritableList(new ArrayList(), Object.class);
		Object obj = doSerializationTest(list);
		Assert.assertNotNull(obj);
		}catch (Exception x){
			x.printStackTrace();
			throw x;
		}
	}
	public void testWritableSet() throws Exception{
		
		try{
		WritableSet set = new WritableSet(new HashSet(), Object.class);
		Object obj = doSerializationTest(set);
		Assert.assertNotNull(obj);
		}catch (Exception x){
			x.printStackTrace();
			throw x;
		}
	}
	private Object doSerializationTest(Serializable s) throws Exception{
		byte[] bytes = serialize(s);
		Object obj = deserialize(bytes);
		return obj;
	}
	
	private byte[] serialize( Serializable s) throws IOException{
		ByteArrayOutputStream bos = new ByteArrayOutputStream() ;
        ObjectOutputStream out = new ObjectOutputStream(bos) ;
        out.writeObject(s);
        out.close();
        return bos.toByteArray();
	}
	
	private Object deserialize( byte [] bytes) throws IOException,ClassNotFoundException{
		ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
		ObjectInputStream in = new ObjectInputStream(bis);
		Object result = in.readObject();
		in.close();
		return result;
	}

}