/*
 * (C) Copyright 2003-2021, by John V Sichi and Contributors.
 *
 * JGraphT : a free Java graph-theory library
 *
 * See the CONTRIBUTORS.md file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0, or the
 * GNU Lesser General Public License v2.1 or later
 * which is available at
 * http://www.gnu.org/licenses/old-licenses/lgpl-2.1-standalone.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR LGPL-2.1-or-later
 */
package org.jgrapht.graph;

import java.io.*;

/**
 * Serialization test utils for the serialization and deserialization of JGraphT objects.
 *
 * @author John V. Sichi
 */
public class SerializationTestUtils
{
    // don't instantiate this class
    private SerializationTestUtils()
    {
    }

    @SuppressWarnings("unchecked")
    public static <T> T serializeAndDeserialize(T obj)
        throws Exception
    {
        ByteArrayOutputStream bout = new ByteArrayOutputStream();
        ObjectOutputStream out = new ObjectOutputStream(bout);

        out.writeObject(obj);
        out.flush();

        ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
        ObjectInputStream in = new ObjectInputStream(bin);

        obj = (T) in.readObject();
        return obj;
    }
}
