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This is a test framework for the JDK 1.8.

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/**
 * Powerunit - A JDK1.8 test framework
 * Copyright (C) 2014 Mathieu Boretti.
 *
 * This file is part of Powerunit
 *
 * Powerunit is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Powerunit 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Powerunit. If not, see .
 */
package ch.powerunit.pattern.lang;

/**
 * This a step in the process to create a tester of
 * {@link java.util.regex.Pattern Pattern}.
 * 
 * @author borettim
 *
 */
public interface PatternTester3 extends PatternTester1 {
	/**
	 * Specify that a group matched by the pattern, based on the sample String,
	 * have a specified value.
	 * 
	 * @param number
	 *            the index of the group.
	 * @return {@link PatternTester4 the next step of the DSL.}
	 */
	PatternTester4 havingGroup(int number);
}