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/**
 * Copyright (C) 2010-2018 Gordon Fraser, Andrea Arcuri and EvoSuite
 * contributors
 *
 * This file is part of EvoSuite.
 *
 * EvoSuite 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 3.0 of the License, or
 * (at your option) any later version.
 *
 * EvoSuite 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 Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with EvoSuite. If not, see .
 */
package org.evosuite.testcase.execution;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Used to wrap exceptions thrown in code under test. This is needed as VariableReference.getObjects/.setObject
 * and AbstractStatement.execute() do not operate on the same layer.
 *
 * With the introduction of FieldReferences VariableReferences can throw arbitrary (of course wrapped) exceptions,
 * as a Field.get() can trigger static{} blocks
 *
 * @author Sebastian Steenbuck
 */
public class CodeUnderTestException extends Exception{

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private static final Logger logger = LoggerFactory.getLogger(CodeUnderTestException.class);
	
	/**
	 * Constructor for CodeUnderTestException.
	 *
	 * @param cause a {@link java.lang.Throwable} object.
	 */
	public CodeUnderTestException(Throwable cause){
		super(cause);
	}

	/**
	 * Used by code calling VariableReference.setObject/2 and .getObject()/1
	 *
	 * @param e a {@link java.lang.Throwable} object.
	 * @return only there to make the compiler happy, this method always throws an exception
	 * @throws java.lang.IllegalAccessException if any.
	 * @throws java.lang.IllegalArgumentException if any.
	 * @throws java.lang.NullPointerException if any.
	 * @throws java.lang.ExceptionInInitializerError if any.
	 * @throws AssertionError if e wasn't one of listed for types
	 */
	@Deprecated
	public static Error throwException(Throwable e) throws IllegalAccessException, IllegalArgumentException, NullPointerException, ExceptionInInitializerError{
		if(e instanceof CodeUnderTestException){
			e=e.getCause();
		}
		if(e instanceof IllegalAccessException){
			throw (IllegalAccessException)e;
		}else if(e instanceof IllegalArgumentException){
			throw (IllegalArgumentException)e;
		}else if(e instanceof NullPointerException){
			throw (NullPointerException)e;
		}else if(e instanceof ArrayIndexOutOfBoundsException){
			throw (ArrayIndexOutOfBoundsException)e;
		}else if(e instanceof ExceptionInInitializerError){
			throw (ExceptionInInitializerError)e;
		}else{
			logger.error("We expected the exception to be one of the listed but it was ", e);
			throw new AssertionError("We expected the exception to be one of the listed but it was " + e.getClass());
		}
	}
}