HashCodeBuilderTest.java

/*
 * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.yangtools.util;

import static org.junit.Assert.assertEquals;

import org.junit.Test;

public class HashCodeBuilderTest {

    @Test
    public void testAllMethodsOfHashCodeBuilder() {
        final HashCodeBuilder<String> hashCodeBuilder = new HashCodeBuilder<>();
        assertEquals("Default hash code should be '1'.", 1, hashCodeBuilder.build().intValue());

        int nextHashCode = HashCodeBuilder.nextHashCode(1, "test");
        assertEquals("Next hash code should be '3556529'.", 3556529, nextHashCode);

        hashCodeBuilder.addArgument("another test");
        assertEquals("Updated internal hash code should be '700442706'.", -700442706, hashCodeBuilder.build().intValue());
    }
}