/*
 * Copyright (c) 2008 Tom Parker <thpr@users.sourceforge.net>
 * 
 * This program 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; either version 2.1 of the License, or (at your option)
 * any later version.
 * 
 * This program 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.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
package pcgen.testsupport;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;

/**
 * Support class for running Junit tests
 */
public class TestSupport
{

	/**
	 * Utility method for Unit tests to invoke private constructors
	 * 
	 * @param clazz The class we're gonig to invoke the constructor on
	 * @return An instance of the class
	 */
	public static Object invokePrivateConstructor(Class<?> clazz)
	{
		Constructor<?> constructor = null; 
		try
		{
			constructor = clazz.getDeclaredConstructor();
		}
		catch (NoSuchMethodException e)
		{
			System.err.println("Constructor for [" + clazz.getName() + "] does not exist");
		}
		
		constructor.setAccessible(true);
		Object instance = null;
		
		try
		{
			instance = constructor.newInstance();
		}
		catch (InvocationTargetException | InstantiationException ite)
		{
			System.err.println("Instance creation failed with [" + ite.getCause() + "]");
		}
		catch (IllegalAccessException iae)
		{
			System.err.println("Instance creation failed due to access violation.");
		}

		return instance;
	}

}