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jfreechart example source code file (XYDifferenceRendererTests.java)
The jfreechart XYDifferenceRendererTests.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.] * * ------------------------------ * XYDifferenceRendererTests.java * ------------------------------ * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 22-Oct-2003 : Version 1 (DG); * 04-May-2005 : Improved equals() test (DG); * 24-Jan-2007 : Added 'roundXCoordinates' to testEquals(), and improved * testClone() (DG); * 17-May-2007 : Added testGetLegendItemSeriesIndex() (DG); * 22-Apr-2008 : Added testPublicCloneable (DG); * */ package org.jfree.chart.renderer.xy.junit; import java.awt.Color; import java.awt.GradientPaint; import java.awt.Shape; import java.awt.geom.Line2D; 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.JFreeChart; import org.jfree.chart.LegendItem; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYDifferenceRenderer; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; import org.jfree.util.PublicCloneable; /** * Tests for the {@link XYDifferenceRenderer} class. */ public class XYDifferenceRendererTests extends TestCase { /** * Returns the tests as a test suite. * * @return The test suite. */ public static Test suite() { return new TestSuite(XYDifferenceRendererTests.class); } /** * Constructs a new set of tests. * * @param name the name of the tests. */ public XYDifferenceRendererTests(String name) { super(name); } /** * Check that the equals() method distinguishes all fields. */ public void testEquals() { XYDifferenceRenderer r1 = new XYDifferenceRenderer( Color.red, Color.blue, false); XYDifferenceRenderer r2 = new XYDifferenceRenderer( Color.red, Color.blue, false); assertEquals(r1, r2); // positive paint r1.setPositivePaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.blue)); assertFalse(r1.equals(r2)); r2.setPositivePaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.blue)); assertTrue(r1.equals(r2)); // negative paint r1.setNegativePaint(new GradientPaint(1.0f, 2.0f, Color.yellow, 3.0f, 4.0f, Color.blue)); assertFalse(r1.equals(r2)); r2.setNegativePaint(new GradientPaint(1.0f, 2.0f, Color.yellow, 3.0f, 4.0f, Color.blue)); assertTrue(r1.equals(r2)); // shapesVisible r1 = new XYDifferenceRenderer(Color.green, Color.yellow, true); assertFalse(r1.equals(r2)); r2 = new XYDifferenceRenderer(Color.green, Color.yellow, true); assertTrue(r1.equals(r2)); // legendLine r1.setLegendLine(new Line2D.Double(1.0, 2.0, 3.0, 4.0)); assertFalse(r1.equals(r2)); r2.setLegendLine(new Line2D.Double(1.0, 2.0, 3.0, 4.0)); assertTrue(r1.equals(r2)); // roundXCoordinates r1.setRoundXCoordinates(true); assertFalse(r1.equals(r2)); r2.setRoundXCoordinates(true); assertTrue(r1.equals(r2)); assertFalse(r1.equals(null)); } /** * Two objects that are equal are required to return the same hashCode. */ public void testHashcode() { XYDifferenceRenderer r1 = new XYDifferenceRenderer(Color.red, Color.blue, false); XYDifferenceRenderer r2 = new XYDifferenceRenderer(Color.red, Color.blue, false); assertTrue(r1.equals(r2)); int h1 = r1.hashCode(); int h2 = r2.hashCode(); assertEquals(h1, h2); } /** * Confirm that cloning works. */ public void testCloning() { XYDifferenceRenderer r1 = new XYDifferenceRenderer(Color.red, Color.blue, false); XYDifferenceRenderer r2 = null; try { r2 = (XYDifferenceRenderer) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2)); // check independence Shape s = r1.getLegendLine(); if (s instanceof Line2D) { Line2D l = (Line2D) s; l.setLine(1.0, 2.0, 3.0, 4.0); assertFalse(r1.equals(r2)); } } /** * Verify that this class implements {@link PublicCloneable}. */ public void testPublicCloneable() { XYDifferenceRenderer r1 = new XYDifferenceRenderer(); assertTrue(r1 instanceof PublicCloneable); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization() { XYDifferenceRenderer r1 = new XYDifferenceRenderer(Color.red, Color.blue, false); XYDifferenceRenderer 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 = (XYDifferenceRenderer) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(r1, r2); } /** * A check for the datasetIndex and seriesIndex fields in the LegendItem * returned by the getLegendItem() method. */ public void testGetLegendItemSeriesIndex() { XYSeriesCollection d1 = new XYSeriesCollection(); XYSeries s1 = new XYSeries("S1"); s1.add(1.0, 1.1); XYSeries s2 = new XYSeries("S2"); s2.add(1.0, 1.1); d1.addSeries(s1); d1.addSeries(s2); XYSeriesCollection d2 = new XYSeriesCollection(); XYSeries s3 = new XYSeries("S3"); s3.add(1.0, 1.1); XYSeries s4 = new XYSeries("S4"); s4.add(1.0, 1.1); XYSeries s5 = new XYSeries("S5"); s5.add(1.0, 1.1); d2.addSeries(s3); d2.addSeries(s4); d2.addSeries(s5); XYDifferenceRenderer r = new XYDifferenceRenderer(); XYPlot plot = new XYPlot(d1, new NumberAxis("x"), new NumberAxis("y"), r); plot.setDataset(1, d2); /*JFreeChart chart =*/ new JFreeChart(plot); LegendItem li = r.getLegendItem(1, 2); assertEquals("S5", li.getLabel()); assertEquals(1, li.getDatasetIndex()); assertEquals(2, li.getSeriesIndex()); } } Other jfreechart examples (source code examples)Here is a short list of links related to this jfreechart XYDifferenceRendererTests.java source code file: |
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