/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This 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 2.1 of the License, or
* (at your option) any later version.
*
* This 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* -----------------------
* HashUtilitiesTests.java
* -----------------------
* (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 06-Mar-2007 : Version 1 (DG);
*
*/
package org.jfree.chart.junit;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.chart.HashUtilities;
/**
* Tests for the {@link HashUtilities} class.
*/
public class HashUtilitiesTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(HashUtilitiesTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public HashUtilitiesTests(String name) {
super(name);
}
/**
* Some sanity checks for the hashCodeForDoubleArray() method.
*/
public void testHashCodeForDoubleArray() {
double[] a1 = new double[] {1.0};
double[] a2 = new double[] {1.0};
int h1 = HashUtilities.hashCodeForDoubleArray(a1);
int h2 = HashUtilities.hashCodeForDoubleArray(a2);
assertTrue(h1 == h2);
double[] a3 = new double[] {0.5, 1.0};
int h3 = HashUtilities.hashCodeForDoubleArray(a3);
assertFalse(h1 == h3);
}
}