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JUnit 4 provides the commonly known Runners "Suite" and "Parameterized". However, as of today there is no Runner implementation that combines the features of both. This library provides a custom Runner for this purpose.

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package com.github.peterwippermann.junit4.parameterizedsuite.util;

import org.junit.runners.Suite;
import org.junit.runners.Suite.SuiteClasses;
import org.junit.runners.model.InitializationError;

/**
 * A collection of useful methods extracted and duplicated from {@link Suite}.
 * 
 * Code is under the license of JUnit: http://junit.org/junit4/license.html
 * 
 * 
 * Please see the package info of {@link com.github.peterwippermann.junit4.parameterizedsuite.util} for more details.
 */
public class SuiteUtil {

    /**
     * @see Suite#getAnnotatedClasses()
     */
    public static Class[] getSuiteClasses(Class klass) throws InitializationError {
        SuiteClasses annotation = klass.getAnnotation(SuiteClasses.class);
        if (annotation == null) {
            throw new InitializationError(String.format("class '%s' must have a SuiteClasses annotation", klass.getName()));
        }
        return annotation.value();
    }

}