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 

  10.  * under the terms of the GNU Lesser General Public License as published by 

  11.  * the Free Software Foundation; either version 2.1 of the License, or 

  12.  * (at your option) any later version.

  13.  *

  14.  * This library is distributed in the hope that it will be useful, but 

  15.  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 

  16.  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 

  17.  * License for more details.

  18.  *

  19.  * You should have received a copy of the GNU Lesser General Public License 

  20.  * along with this library; if not, write to the Free Software Foundation, 

  21.  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.

  22.  *

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

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

  25.  *

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

  27.  * PeriodAxisLabelInfoTests.java

  28.  * -----------------------------

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

  30.  *

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

  32.  * Contributor(s):   -;

  33.  *

  34.  * $Id: PeriodAxisLabelInfoTests.java,v 1.4 2005/03/04 11:55:01 mungady Exp $

  35.  *

  36.  * Changes

  37.  * -------

  38.  * 10-Jun-2003 : Version 1 (DG);

  39.  * 07-Jan-2005 : Added test for hashCode() (DG);

  40.  *

  41.  */

  42. 

  43. package org.jfree.chart.axis.junit;

  44. 

  45. import java.awt.BasicStroke;

  46. import java.awt.Color;

  47. import java.awt.Font;

  48. import java.awt.Paint;

  49. import java.awt.Stroke;

  50. import java.io.ByteArrayInputStream;

  51. import java.io.ByteArrayOutputStream;

  52. import java.io.ObjectInput;

  53. import java.io.ObjectInputStream;

  54. import java.io.ObjectOutput;

  55. import java.io.ObjectOutputStream;

  56. import java.text.DateFormat;

  57. import java.text.SimpleDateFormat;

  58. 

  59. import junit.framework.Test;

  60. import junit.framework.TestCase;

  61. import junit.framework.TestSuite;

  62. 

  63. import org.jfree.chart.axis.PeriodAxisLabelInfo;

  64. import org.jfree.data.time.Day;

  65. import org.jfree.data.time.Month;

  66. import org.jfree.ui.RectangleInsets;

  67. 

  68. /**

  69.  * Tests for the {@link PeriodAxisLabelInfo} class.

  70.  */

  71. public class PeriodAxisLabelInfoTests extends TestCase {

  72. 

  73.     /**

  74.      * Returns the tests as a test suite.

  75.      *

  76.      * @return The test suite.

  77.      */

  78.     public static Test suite() {

  79.         return new TestSuite(PeriodAxisLabelInfoTests.class);

  80.     }

  81. 

  82.     /**

  83.      * Constructs a new set of tests.

  84.      *

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

  86.      */

  87.     public PeriodAxisLabelInfoTests(String name) {

  88.         super(name);

  89.     }

  90. 

  91.     /**

  92.      * Confirm that the equals method can distinguish all the required fields.

  93.      */

  94.     public void testEquals() {

  95.         PeriodAxisLabelInfo info1 = new PeriodAxisLabelInfo(

  96.             Day.class, new SimpleDateFormat("d")

  97.         );

  98.         PeriodAxisLabelInfo info2 = new PeriodAxisLabelInfo(

  99.             Day.class, new SimpleDateFormat("d")

  100.         );

  101.         assertTrue(info1.equals(info2));

  102.         assertTrue(info2.equals(info1));

  103.         

  104.         Class c1 = Day.class;

  105.         Class c2 = Month.class;

  106.         DateFormat df1 = new SimpleDateFormat("d");

  107.         DateFormat df2 = new SimpleDateFormat("MMM");

  108.         RectangleInsets sp1 = new RectangleInsets(1, 1, 1, 1);

  109.         RectangleInsets sp2 = new RectangleInsets(2, 2, 2, 2);

  110.         Font lf1 = new Font("SansSerif", Font.PLAIN, 10);

  111.         Font lf2 = new Font("SansSerif", Font.BOLD, 9);

  112.         Paint lp1 = Color.black;

  113.         Paint lp2 = Color.blue;

  114.         boolean b1 = true;

  115.         boolean b2 = false;

  116.         Stroke s1 = new BasicStroke(0.5f);

  117.         Stroke s2 = new BasicStroke(0.25f);

  118.         Paint dp1 = Color.red;

  119.         Paint dp2 = Color.green;

  120.         

  121.         info1 = new PeriodAxisLabelInfo(c2, df1, sp1, lf1, lp1, b1, s1, dp1);

  122.         info2 = new PeriodAxisLabelInfo(c1, df1, sp1, lf1, lp1, b1, s1, dp1);

  123.         assertFalse(info1.equals(info2));

  124.         info2 = new PeriodAxisLabelInfo(c2, df1, sp1, lf1, lp1, b1, s1, dp1);

  125.         assertTrue(info1.equals(info2));

  126.         

  127.         info1 = new PeriodAxisLabelInfo(c2, df2, sp1, lf1, lp1, b1, s1, dp1);

  128.         assertFalse(info1.equals(info2));

  129.         info2 = new PeriodAxisLabelInfo(c2, df2, sp1, lf1, lp1, b1, s1, dp1);

  130.         assertTrue(info1.equals(info2));

  131. 

  132.         info1 = new PeriodAxisLabelInfo(c2, df2, sp2, lf1, lp1, b1, s1, dp1);

  133.         assertFalse(info1.equals(info2));

  134.         info2 = new PeriodAxisLabelInfo(c2, df2, sp2, lf1, lp1, b1, s1, dp1);

  135.         assertTrue(info1.equals(info2));

  136. 

  137.         info1 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp1, b1, s1, dp1);

  138.         assertFalse(info1.equals(info2));

  139.         info2 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp1, b1, s1, dp1);

  140.         assertTrue(info1.equals(info2));

  141. 

  142.         info1 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b1, s1, dp1);

  143.         assertFalse(info1.equals(info2));

  144.         info2 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b1, s1, dp1);

  145.         assertTrue(info1.equals(info2));

  146. 

  147.         info1 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b2, s1, dp1);

  148.         assertFalse(info1.equals(info2));

  149.         info2 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b2, s1, dp1);

  150.         assertTrue(info1.equals(info2));

  151. 

  152.         info1 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b2, s2, dp1);

  153.         assertFalse(info1.equals(info2));

  154.         info2 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b2, s2, dp1);

  155.         assertTrue(info1.equals(info2));

  156. 

  157.         info1 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b2, s2, dp2);

  158.         assertFalse(info1.equals(info2));

  159.         info2 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b2, s2, dp2);

  160.         assertTrue(info1.equals(info2));

  161. 

  162.     }

  163.    

  164.     /**

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

  166.      */

  167.     public void testHashCode() {

  168.         PeriodAxisLabelInfo info1 = new PeriodAxisLabelInfo(

  169.             Day.class, new SimpleDateFormat("d")

  170.         );

  171.         PeriodAxisLabelInfo info2 = new PeriodAxisLabelInfo(

  172.             Day.class, new SimpleDateFormat("d")

  173.         );

  174.         assertTrue(info1.equals(info2));

  175.         int h1 = info1.hashCode();

  176.         int h2 = info2.hashCode();

  177.         assertEquals(h1, h2);

  178.     }    

  179.     

  180.     /**

  181.      * Confirm that cloning works.

  182.      */

  183.     public void testCloning() {

  184.         PeriodAxisLabelInfo info1 = new PeriodAxisLabelInfo(

  185.             Day.class, new SimpleDateFormat("d")

  186.         );

  187.         PeriodAxisLabelInfo info2 = null;

  188.         try {

  189.             info2 = (PeriodAxisLabelInfo) info1.clone();

  190.         }

  191.         catch (CloneNotSupportedException e) {

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

  193.         }

  194.         assertTrue(info1 != info2);

  195.         assertTrue(info1.getClass() == info2.getClass());

  196.         assertTrue(info1.equals(info2));

  197.     }

  198. 

  199.     /**

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

  201.      */

  202.     public void testSerialization() {

  203.         PeriodAxisLabelInfo info1 = new PeriodAxisLabelInfo(

  204.             Day.class, new SimpleDateFormat("d")

  205.         );

  206.         PeriodAxisLabelInfo info2 = null;

  207.         try {

  208.             ByteArrayOutputStream buffer = new ByteArrayOutputStream();

  209.             ObjectOutput out = new ObjectOutputStream(buffer);

  210.             out.writeObject(info1);

  211.             out.close();

  212. 

  213.             ObjectInput in = new ObjectInputStream(

  214.                 new ByteArrayInputStream(buffer.toByteArray())

  215.             );

  216.             info2 = (PeriodAxisLabelInfo) in.readObject();

  217.             in.close();

  218.         }

  219.         catch (Exception e) {

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

  221.         }

  222.         boolean b = info1.equals(info2);

  223.         assertTrue(b);

  224.     }

  225. 

  226. }