/*
 * Copyright (C) 2013-2015 Daniel Dietsch (dietsch@informatik.uni-freiburg.de)
 * Copyright (C) 2015 University of Freiburg
 * 
 * This file is part of the ULTIMATE JUnit Helper Library.
 * 
 * The ULTIMATE JUnit Helper Library 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 of the License, or
 * (at your option) any later version.
 * 
 * The ULTIMATE JUnit Helper Library 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 the ULTIMATE JUnit Helper Library. If not, see <http://www.gnu.org/licenses/>.
 * 
 * Additional permission under GNU GPL version 3 section 7:
 * If you modify the ULTIMATE JUnit Helper Library, or any covered work, by linking
 * or combining it with Eclipse RCP (or a modified version of Eclipse RCP), 
 * containing parts covered by the terms of the Eclipse Public License, the 
 * licensors of the ULTIMATE JUnit Helper Library grant you additional permission 
 * to convey the resulting work.
 */
package de.uni_freiburg.informatik.ultimate.test.junitextension;

import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

public abstract class InterfaceTest<T> {
	
	protected T instance;
	
	protected abstract T createInstance();
	
	@Before
	public void createTestInstance() {
		this.instance = createInstance();
	}
	
	@Test
	public void createInstanceCreatesDifferentInstances() {
		final T i1 = createInstance();
		final T i2 = createInstance();
		
		// Reference comparison
		final boolean same = i1 == i2;
		
		Assert.assertFalse("Instances must not be reference equal", same);
	}
	
}