1. /* ===========================================================

  2.  * JFreeChart : a free chart library for the Java(tm) platform

  3.  * ===========================================================

  4.  *

  5.  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.

  6.  *

  7.  * Project Info:  http://www.jfree.org/jfreechart/index.html

  8.  *

  9.  * This library is free software; you can redistribute it and/or modify it under the terms

  10.  * of the GNU Lesser General Public License as published by the Free Software Foundation;

  11.  * either version 2.1 of the License, or (at your option) any later version.

  12.  *

  13.  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

  14.  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

  15.  * See the GNU Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public License along with this

  18.  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,

  19.  * Boston, MA 02111-1307, USA.

  20.  *

  21.  * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 

  22.  * in the United States and other countries.]

  23.  *

  24.  * --------------------------------

  25.  * XYLineAndShapeRendererTests.java

  26.  * --------------------------------

  27.  * (C) Copyright 2004, 2005, by Object Refinery Limited and Contributors.

  28.  *

  29.  * Original Author:  David Gilbert (for Object Refinery Limited);

  30.  * Contributor(s):   -;

  31.  *

  32.  * $Id: XYLineAndShapeRendererTests.java,v 1.2 2005/01/07 12:14:08 mungady Exp $

  33.  *

  34.  * Changes

  35.  * -------

  36.  * 27-Jan-2004 : Version 1 (DG);

  37.  * 07-Jan-2005 : Added check for findRangeBounds() method (DG);

  38.  * 

  39.  */

  40. 

  41. package org.jfree.chart.renderer.xy.junit;

  42. 

  43. import java.io.ByteArrayInputStream;

  44. import java.io.ByteArrayOutputStream;

  45. import java.io.ObjectInput;

  46. import java.io.ObjectInputStream;

  47. import java.io.ObjectOutput;

  48. import java.io.ObjectOutputStream;

  49. 

  50. import junit.framework.Test;

  51. import junit.framework.TestCase;

  52. import junit.framework.TestSuite;

  53. 

  54. import org.jfree.chart.ChartFactory;

  55. import org.jfree.chart.JFreeChart;

  56. import org.jfree.chart.axis.NumberAxis;

  57. import org.jfree.chart.plot.PlotOrientation;

  58. import org.jfree.chart.plot.XYPlot;

  59. import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;

  60. import org.jfree.data.Range;

  61. import org.jfree.data.xy.TableXYDataset;

  62. import org.jfree.data.xy.XYSeriesCollection;

  63. 

  64. /**

  65.  * Tests for the {@link XYLineAndShapeRenderer} class.

  66.  */

  67. public class XYLineAndShapeRendererTests extends TestCase {

  68. 

  69.     /**

  70.      * Returns the tests as a test suite.

  71.      *

  72.      * @return The test suite.

  73.      */

  74.     public static Test suite() {

  75.         return new TestSuite(XYLineAndShapeRendererTests.class);

  76.     }

  77. 

  78.     /**

  79.      * Constructs a new set of tests.

  80.      *

  81.      * @param name  the name of the tests.

  82.      */

  83.     public XYLineAndShapeRendererTests(String name) {

  84.         super(name);

  85.     }

  86. 

  87.     /**

  88.      * Test that the equals() method distinguishes all fields.

  89.      */

  90.     public void testEquals() {

  91.         XYLineAndShapeRenderer r1 = new XYLineAndShapeRenderer();

  92.         XYLineAndShapeRenderer r2 = new XYLineAndShapeRenderer();

  93.         assertEquals(r1, r2);

  94.         assertEquals(r2, r1);

  95.     

  96.         r1.setLinesVisible(true);

  97.         assertFalse(r1.equals(r2));

  98.         r2.setLinesVisible(true);

  99.         assertTrue(r1.equals(r2));

  100.         

  101.         r1.setSeriesLinesVisible(3, true);

  102.         assertFalse(r1.equals(r2));

  103.         r2.setSeriesLinesVisible(3, true);

  104.         assertTrue(r1.equals(r2));

  105.         

  106.         r1.setDefaultLinesVisible(false);

  107.         assertFalse(r1.equals(r2));

  108.         r2.setDefaultLinesVisible(false);

  109.         assertTrue(r1.equals(r2));

  110.         

  111.         r1.setShapesVisible(true);

  112.         assertFalse(r1.equals(r2));

  113.         r2.setShapesVisible(true);

  114.         assertTrue(r1.equals(r2));

  115.         

  116.         r1.setSeriesShapesVisible(3, true);

  117.         assertFalse(r1.equals(r2));

  118.         r2.setSeriesShapesVisible(3, true);

  119.         assertTrue(r1.equals(r2));

  120.         

  121.         r1.setDefaultShapesVisible(false);

  122.         assertFalse(r1.equals(r2));

  123.         r2.setDefaultShapesVisible(false);

  124.         assertTrue(r1.equals(r2));

  125.         

  126.         r1.setShapesFilled(true);

  127.         assertFalse(r1.equals(r2));

  128.         r2.setShapesFilled(true);

  129.         assertTrue(r1.equals(r2));

  130.         

  131.         r1.setSeriesShapesFilled(3, true);

  132.         assertFalse(r1.equals(r2));

  133.         r2.setSeriesShapesFilled(3, true);

  134.         assertTrue(r1.equals(r2));

  135.         

  136.         r1.setDefaultShapesFilled(false);

  137.         assertFalse(r1.equals(r2));

  138.         r2.setDefaultShapesFilled(false);

  139.         assertTrue(r1.equals(r2));

  140.     

  141.         r1.setDrawOutlines(true);

  142.         assertFalse(r1.equals(r2));

  143.         r2.setDrawOutlines(true);

  144.         assertTrue(r1.equals(r2));

  145.     

  146.         r1.setUseOutlinePaint(true);

  147.         assertFalse(r1.equals(r2));

  148.         r2.setUseOutlinePaint(true);

  149.         assertTrue(r1.equals(r2));

  150.     }

  151. 

  152.     /**

  153.      * Two objects that are equal are required to return the same hashCode. 

  154.      */

  155.     public void testHashcode() {

  156.         XYLineAndShapeRenderer r1 = new XYLineAndShapeRenderer();

  157.         XYLineAndShapeRenderer r2 = new XYLineAndShapeRenderer();

  158.         assertTrue(r1.equals(r2));

  159.         int h1 = r1.hashCode();

  160.         int h2 = r2.hashCode();

  161.         assertEquals(h1, h2);

  162.     }

  163.     

  164.     /**

  165.      * Confirm that cloning works.

  166.      */

  167.     public void testCloning() {

  168.         XYLineAndShapeRenderer r1 = new XYLineAndShapeRenderer();

  169.         XYLineAndShapeRenderer r2 = null;

  170.         try {

  171.             r2 = (XYLineAndShapeRenderer) r1.clone();

  172.         }

  173.         catch (CloneNotSupportedException e) {

  174.             System.err.println("Failed to clone.");

  175.         }

  176.         assertTrue(r1 != r2);

  177.         assertTrue(r1.getClass() == r2.getClass());

  178.         assertTrue(r1.equals(r2));

  179.     }

  180. 

  181.     /**

  182.      * Serialize an instance, restore it, and check for equality.

  183.      */

  184.     public void testSerialization() {

  185. 

  186.         XYLineAndShapeRenderer r1 = new XYLineAndShapeRenderer();

  187.         XYLineAndShapeRenderer r2 = null;

  188. 

  189.         try {

  190.             ByteArrayOutputStream buffer = new ByteArrayOutputStream();

  191.             ObjectOutput out = new ObjectOutputStream(buffer);

  192.             out.writeObject(r1);

  193.             out.close();

  194. 

  195.             ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));

  196.             r2 = (XYLineAndShapeRenderer) in.readObject();

  197.             in.close();

  198.         }

  199.         catch (Exception e) {

  200.             System.out.println(e.toString());

  201.         }

  202.         assertEquals(r1, r2);

  203. 

  204.     }

  205. 

  206.     /**

  207.      * Check that the renderer is calculating the domain bounds correctly.

  208.      */

  209.     public void testFindDomainBounds() {

  210.         XYSeriesCollection dataset = RendererXYPackageTests.createTestXYSeriesCollection();

  211.         JFreeChart chart = ChartFactory.createXYLineChart(

  212.             "Test Chart", "X", "Y", dataset, PlotOrientation.VERTICAL, false, false, false

  213.         );

  214.         XYPlot plot = (XYPlot) chart.getPlot();

  215.         NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis();

  216.         domainAxis.setAutoRangeIncludesZero(false);

  217.         Range bounds = domainAxis.getRange();

  218.         System.out.println(bounds);

  219.         assertFalse(bounds.contains(0.9));

  220.         assertTrue(bounds.contains(1.0));

  221.         assertTrue(bounds.contains(2.0));

  222.         assertFalse(bounds.contains(2.10));

  223.     }

  224.     

  225.     /**

  226.      * Check that the renderer is calculating the range bounds correctly.

  227.      */

  228.     public void testFindRangeBounds() {

  229.         TableXYDataset dataset = RendererXYPackageTests.createTestTableXYDataset();

  230.         JFreeChart chart = ChartFactory.createXYLineChart(

  231.             "Test Chart", "X", "Y", dataset, PlotOrientation.VERTICAL, false, false, false

  232.         );

  233.         XYPlot plot = (XYPlot) chart.getPlot();

  234.         NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();

  235.         rangeAxis.setAutoRangeIncludesZero(false);

  236.         Range bounds = rangeAxis.getRange();

  237.         assertFalse(bounds.contains(1.0));

  238.         assertTrue(bounds.contains(2.0));

  239.         assertTrue(bounds.contains(5.0));

  240.         assertFalse(bounds.contains(6.0));

  241.     }

  242. 

  243. }