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JUnit is a regression testing framework written by Erich Gamma and Kent Beck. It is used by the developer who implements unit tests in Java.

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package org.junit.runners.model;

import java.util.Arrays;
import java.util.List;

/**
 * Represents one or more problems encountered while initializing a Runner
 */
public class InitializationError extends Exception {
	private static final long serialVersionUID= 1L;
	private final List fErrors;

	/**
	 * Construct a new {@code InitializationError} with one or more
	 * errors {@code errors} as causes
	 */
	public InitializationError(List errors) {
		fErrors= errors;
	}
	
	public InitializationError(Throwable error) {
		this(Arrays.asList(error));
	}
	
	/**
	 * Construct a new {@code InitializationError} with one cause
	 * with message {@code string}
	 */
	public InitializationError(String string) {
		this(new Exception(string));
	}

	/**
	 * Returns one or more Throwables that led to this initialization error.
	 */
	public List getCauses() {
		return fErrors;
	}
}