BindingSetTest.java
/*******************************************************************************
* Copyright (c) 2016 Eclipse RDF4J contributors.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Distribution License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*******************************************************************************/
package org.eclipse.rdf4j.query;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
/**
* Unit tests for BindingSet implementations.
*
* @author jeen
*/
public abstract class BindingSetTest<T extends BindingSet> {
/**
* Verifies that the BindingSet implementation honors the API spec for {@link BindingSet#equals(Object)} and
* {@link BindingSet#hashCode()}.
*/
@Test
public void testEqualsHashcode() {
T[] bindingSets = createTwoEqualReorderedBindingSets();
T bs1 = bindingSets[0];
T bs2 = bindingSets[1];
assertEquals(bs1, bs2);
assertEquals(bs1.hashCode(), bs2.hashCode());
}
/**
* Creates two equal, but differently ordered, BindingSet objects.
*
* @return an array of two equal but differently ordered BindingSets.
*/
protected abstract T[] createTwoEqualReorderedBindingSets();
}