/* =========================================================== * 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.] * * ----------------------------- * XYPointerAnnotationTests.java * ----------------------------- * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 19-Aug-2003 : Version 1 (DG); * 13-Oct-2003 : Expanded test for equals() method (DG); * 07-Jan-2005 : Added hashCode() test (DG); * 20-Feb-2006 : Added 'x' and 'y' checks to testEquals() (DG); * 23-Apr-2008 : Added testPublicCloneable() (DG); * */ package org.jfree.chart.annotations.junit; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Stroke; 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.annotations.XYPointerAnnotation; import org.jfree.util.PublicCloneable; /** * Tests for the {@link XYPointerAnnotation} class. */ public class XYPointerAnnotationTests extends TestCase { /** * Returns the tests as a test suite. * * @return The test suite. */ public static Test suite() { return new TestSuite(XYPointerAnnotationTests.class); } /** * Constructs a new set of tests. * * @param name the name of the tests. */ public XYPointerAnnotationTests(String name) { super(name); } /** * Confirm that the equals method can distinguish all the required fields. */ public void testEquals() { XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI); XYPointerAnnotation a2 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI); assertTrue(a1.equals(a2)); a1 = new XYPointerAnnotation("Label2", 10.0, 20.0, Math.PI); assertFalse(a1.equals(a2)); a2 = new XYPointerAnnotation("Label2", 10.0, 20.0, Math.PI); assertTrue(a1.equals(a2)); a1.setX(11.0); assertFalse(a1.equals(a2)); a2.setX(11.0); assertTrue(a1.equals(a2)); a1.setY(22.0); assertFalse(a1.equals(a2)); a2.setY(22.0); assertTrue(a1.equals(a2)); //private double angle; a1.setAngle(Math.PI / 4.0); assertFalse(a1.equals(a2)); a2.setAngle(Math.PI / 4.0); assertTrue(a1.equals(a2)); //private double tipRadius; a1.setTipRadius(20.0); assertFalse(a1.equals(a2)); a2.setTipRadius(20.0); assertTrue(a1.equals(a2)); //private double baseRadius; a1.setBaseRadius(5.0); assertFalse(a1.equals(a2)); a2.setBaseRadius(5.0); assertTrue(a1.equals(a2)); //private double arrowLength; a1.setArrowLength(33.0); assertFalse(a1.equals(a2)); a2.setArrowLength(33.0); assertTrue(a1.equals(a2)); //private double arrowWidth; a1.setArrowWidth(9.0); assertFalse(a1.equals(a2)); a2.setArrowWidth(9.0); assertTrue(a1.equals(a2)); //private Stroke arrowStroke; Stroke stroke = new BasicStroke(1.5f); a1.setArrowStroke(stroke); assertFalse(a1.equals(a2)); a2.setArrowStroke(stroke); assertTrue(a1.equals(a2)); //private Paint arrowPaint; a1.setArrowPaint(Color.blue); assertFalse(a1.equals(a2)); a2.setArrowPaint(Color.blue); assertTrue(a1.equals(a2)); //private double labelOffset; a1.setLabelOffset(10.0); assertFalse(a1.equals(a2)); a2.setLabelOffset(10.0); assertTrue(a1.equals(a2)); } /** * Two objects that are equal are required to return the same hashCode. */ public void testHashCode() { XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI); XYPointerAnnotation a2 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI); assertTrue(a1.equals(a2)); int h1 = a1.hashCode(); int h2 = a2.hashCode(); assertEquals(h1, h2); } /** * Confirm that cloning works. */ public void testCloning() { XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI); XYPointerAnnotation a2 = null; try { a2 = (XYPointerAnnotation) a1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(a1 != a2); assertTrue(a1.getClass() == a2.getClass()); assertTrue(a1.equals(a2)); } /** * Checks that this class implements PublicCloneable. */ public void testPublicCloneable() { XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI); assertTrue(a1 instanceof PublicCloneable); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization() { XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI); XYPointerAnnotation a2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(a1); out.close(); ObjectInput in = new ObjectInputStream(new ByteArrayInputStream( buffer.toByteArray())); a2 = (XYPointerAnnotation) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(a1, a2); } }