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jfreechart example source code file (ClusteredXYBarRendererTests.java)
The jfreechart ClusteredXYBarRendererTests.java source code/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2008, 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. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * -------------------------------- * ClusteredXYBarRendererTests.java * -------------------------------- * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 25-Mar-2003 : Version 1 (DG); * 22-Oct-2003 : Added hashCode test (DG); * 10-Jul-2007 : Fixed compile errors (DG); * 22-Apr-2008 : Added testPublicCloneable() (DG); * */ package org.jfree.chart.renderer.xy.junit; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.ObjectInput; import java.io.ObjectInputStream; import java.io.ObjectOutput; import java.io.ObjectOutputStream; import junit.framework.Test; import junit.framework.TestCase; import junit.framework.TestSuite; import org.jfree.chart.renderer.xy.AbstractXYItemRenderer; import org.jfree.chart.renderer.xy.ClusteredXYBarRenderer; import org.jfree.data.Range; import org.jfree.data.xy.DefaultIntervalXYDataset; import org.jfree.data.xy.XYDataset; import org.jfree.util.PublicCloneable; /** * Tests for the {@link ClusteredXYBarRenderer} class. */ public class ClusteredXYBarRendererTests extends TestCase { /** * Returns the tests as a test suite. * * @return The test suite. */ public static Test suite() { return new TestSuite(ClusteredXYBarRendererTests.class); } /** * Constructs a new set of tests. * * @param name the name of the tests. */ public ClusteredXYBarRendererTests(String name) { super(name); } /** * Check that the equals() method distinguishes all fields. */ public void testEquals() { ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer(); ClusteredXYBarRenderer r2 = new ClusteredXYBarRenderer(); assertEquals(r1, r2); assertEquals(r2, r1); r1 = new ClusteredXYBarRenderer(1.2, false); assertFalse(r1.equals(r2)); r2 = new ClusteredXYBarRenderer(1.2, false); assertTrue(r1.equals(r2)); r1 = new ClusteredXYBarRenderer(1.2, true); assertFalse(r1.equals(r2)); r2 = new ClusteredXYBarRenderer(1.2, true); assertTrue(r1.equals(r2)); } /** * Two objects that are equal are required to return the same hashCode. */ public void testHashcode() { ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer(); ClusteredXYBarRenderer r2 = new ClusteredXYBarRenderer(); assertTrue(r1.equals(r2)); int h1 = r1.hashCode(); int h2 = r2.hashCode(); assertEquals(h1, h2); } /** * Confirm that cloning works. */ public void testCloning() { ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer(); ClusteredXYBarRenderer r2 = null; try { r2 = (ClusteredXYBarRenderer) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2)); } /** * Verify that this class implements {@link PublicCloneable}. */ public void testPublicCloneable() { ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer(); assertTrue(r1 instanceof PublicCloneable); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization() { ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer(); ClusteredXYBarRenderer r2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(r1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); r2 = (ClusteredXYBarRenderer) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(r1, r2); } private static final double EPSILON = 0.0000000001; /** * Some checks for the findDomainBounds() method (which requires special * handling when the centerBarAtStartValue flag is set to true). */ public void testFindDomainBounds() { AbstractXYItemRenderer renderer = new ClusteredXYBarRenderer(); XYDataset dataset = createSampleDataset1(); Range r = renderer.findDomainBounds(dataset); assertEquals(0.9, r.getLowerBound(), EPSILON); assertEquals(13.1, r.getUpperBound(), EPSILON); renderer = new ClusteredXYBarRenderer(0.0, true); r = renderer.findDomainBounds(dataset); assertEquals(0.8, r.getLowerBound(), EPSILON); assertEquals(13.0, r.getUpperBound(), EPSILON); // check that a null dataset returns null bounds assertTrue(renderer.findDomainBounds(null) == null); } /** * Creates a sample dataset for testing. * * @return A sample dataset. */ public DefaultIntervalXYDataset createSampleDataset1() { DefaultIntervalXYDataset d = new DefaultIntervalXYDataset(); double[] x1 = new double[] {1.0, 2.0, 3.0}; double[] x1Start = new double[] {0.9, 1.9, 2.9}; double[] x1End = new double[] {1.1, 2.1, 3.1}; double[] y1 = new double[] {4.0, 5.0, 6.0}; double[] y1Start = new double[] {1.09, 2.09, 3.09}; double[] y1End = new double[] {1.11, 2.11, 3.11}; double[][] data1 = new double[][] {x1, x1Start, x1End, y1, y1Start, y1End}; d.addSeries("S1", data1); double[] x2 = new double[] {11.0, 12.0, 13.0}; double[] x2Start = new double[] {10.9, 11.9, 12.9}; double[] x2End = new double[] {11.1, 12.1, 13.1}; double[] y2 = new double[] {14.0, 15.0, 16.0}; double[] y2Start = new double[] {11.09, 12.09, 13.09}; double[] y2End = new double[] {11.11, 12.11, 13.11}; double[][] data2 = new double[][] {x2, x2Start, x2End, y2, y2Start, y2End}; d.addSeries("S2", data2); return d; } } Other jfreechart examples (source code examples)Here is a short list of links related to this jfreechart ClusteredXYBarRendererTests.java source code file: |
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