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jfreechart example source code file (DialTextAnnotationTests.java)
The jfreechart DialTextAnnotationTests.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.] * * ---------------------------- * DialTextAnnotationTests.java * ---------------------------- * (C) Copyright 2006-2008, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 03-Nov-2006 : Version 1 (DG); * */ package org.jfree.chart.plot.dial.junit; import java.awt.Color; import java.awt.Font; 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.plot.dial.DialTextAnnotation; /** * Tests for the {@link DialTextAnnotation} class. */ public class DialTextAnnotationTests extends TestCase { /** * Returns the tests as a test suite. * * @return The test suite. */ public static Test suite() { return new TestSuite(DialTextAnnotationTests.class); } /** * Constructs a new set of tests. * * @param name the name of the tests. */ public DialTextAnnotationTests(String name) { super(name); } /** * Confirm that the equals method can distinguish all the required fields. */ public void testEquals() { DialTextAnnotation a1 = new DialTextAnnotation("A1"); DialTextAnnotation a2 = new DialTextAnnotation("A1"); assertTrue(a1.equals(a2)); // angle a1.setAngle(1.1); assertFalse(a1.equals(a2)); a2.setAngle(1.1); assertTrue(a1.equals(a2)); // radius a1.setRadius(9.9); assertFalse(a1.equals(a2)); a2.setRadius(9.9); assertTrue(a1.equals(a2)); // font Font f = new Font("SansSerif", Font.PLAIN, 14); a1.setFont(f); assertFalse(a1.equals(a2)); a2.setFont(f); assertTrue(a1.equals(a2)); // paint a1.setPaint(Color.red); assertFalse(a1.equals(a2)); a2.setPaint(Color.red); assertTrue(a1.equals(a2)); // label a1.setLabel("ABC"); assertFalse(a1.equals(a2)); a2.setLabel("ABC"); assertTrue(a1.equals(a2)); // check an inherited attribute a1.setVisible(false); assertFalse(a1.equals(a2)); a2.setVisible(false); assertTrue(a1.equals(a2)); } /** * Two objects that are equal are required to return the same hashCode. */ public void testHashCode() { DialTextAnnotation a1 = new DialTextAnnotation("A1"); DialTextAnnotation a2 = new DialTextAnnotation("A1"); assertTrue(a1.equals(a2)); int h1 = a1.hashCode(); int h2 = a2.hashCode(); assertEquals(h1, h2); } /** * Confirm that cloning works. */ public void testCloning() { // test a default instance DialTextAnnotation a1 = new DialTextAnnotation("A1"); DialTextAnnotation a2 = null; try { a2 = (DialTextAnnotation) a1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(a1 != a2); assertTrue(a1.getClass() == a2.getClass()); assertTrue(a1.equals(a2)); // check that the listener lists are independent MyDialLayerChangeListener l1 = new MyDialLayerChangeListener(); a1.addChangeListener(l1); assertTrue(a1.hasListener(l1)); assertFalse(a2.hasListener(l1)); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization() { // test a default instance DialTextAnnotation a1 = new DialTextAnnotation("A1"); DialTextAnnotation 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 = (DialTextAnnotation) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(a1, a2); // test a custom instance a1 = new DialTextAnnotation("A1"); a1.setPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.blue)); 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 = (DialTextAnnotation) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(a1, a2); } } Other jfreechart examples (source code examples)Here is a short list of links related to this jfreechart DialTextAnnotationTests.java source code file: |
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