/* =========================================================== * 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.] * * ------------------------- * MultiplePiePlotTests.java * ------------------------- * (C) Copyright 2005-2008, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 16-Jun-2005 : Version 1 (DG); * 06-Apr-2006 : Added tests for new fields (DG); * 18-Apr-2008 : Added testConstructor() (DG); * */ package org.jfree.chart.plot.junit; import java.awt.Color; import java.awt.GradientPaint; 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.ChartFactory; import org.jfree.chart.event.PlotChangeEvent; import org.jfree.chart.event.PlotChangeListener; import org.jfree.chart.plot.MultiplePiePlot; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.util.TableOrder; /** * Some tests for the {@link MultiplePiePlot} class. */ public class MultiplePiePlotTests extends TestCase implements PlotChangeListener { /** The last event received. */ PlotChangeEvent lastEvent; /** * Returns the tests as a test suite. * * @return The test suite. */ public static Test suite() { return new TestSuite(MultiplePiePlotTests.class); } /** * Receives a plot change event and records it. Some tests will use this * to check that events have been generated (or not) when required. * * @param event the event. */ public void plotChanged(PlotChangeEvent event) { this.lastEvent = event; } /** * Constructs a new set of tests. * * @param name the name of the tests. */ public MultiplePiePlotTests(String name) { super(name); } /** * Some checks for the constructors. */ public void testConstructor() { MultiplePiePlot plot = new MultiplePiePlot(); assertNull(plot.getDataset()); // the following checks that the plot registers itself as a listener // with the dataset passed to the constructor - see patch 1943021 DefaultCategoryDataset dataset = new DefaultCategoryDataset(); plot = new MultiplePiePlot(dataset); assertTrue(dataset.hasListener(plot)); } /** * Check that the equals() method distinguishes the required fields. */ public void testEquals() { MultiplePiePlot p1 = new MultiplePiePlot(); MultiplePiePlot p2 = new MultiplePiePlot(); assertTrue(p1.equals(p2)); assertTrue(p2.equals(p1)); p1.setDataExtractOrder(TableOrder.BY_ROW); assertFalse(p1.equals(p2)); p2.setDataExtractOrder(TableOrder.BY_ROW); assertTrue(p1.equals(p2)); p1.setLimit(1.23); assertFalse(p1.equals(p2)); p2.setLimit(1.23); assertTrue(p1.equals(p2)); p1.setAggregatedItemsKey("Aggregated Items"); assertFalse(p1.equals(p2)); p2.setAggregatedItemsKey("Aggregated Items"); assertTrue(p1.equals(p2)); p1.setAggregatedItemsPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.yellow)); assertFalse(p1.equals(p2)); p2.setAggregatedItemsPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.yellow)); assertTrue(p1.equals(p2)); p1.setPieChart(ChartFactory.createPieChart("Title", null, true, true, true)); assertFalse(p1.equals(p2)); p2.setPieChart(ChartFactory.createPieChart("Title", null, true, true, true)); assertTrue(p1.equals(p2)); } /** * Some basic checks for the clone() method. */ public void testCloning() { MultiplePiePlot p1 = new MultiplePiePlot(); MultiplePiePlot p2 = null; try { p2 = (MultiplePiePlot) p1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); System.err.println("Failed to clone."); } assertTrue(p1 != p2); assertTrue(p1.getClass() == p2.getClass()); assertTrue(p1.equals(p2)); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization() { MultiplePiePlot p1 = new MultiplePiePlot(null); p1.setAggregatedItemsPaint(new GradientPaint(1.0f, 2.0f, Color.yellow, 3.0f, 4.0f, Color.red)); MultiplePiePlot p2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(p1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); p2 = (MultiplePiePlot) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(p1, p2); } }
