gt:                 = new StandardCategoryItemLabelGenerator("{0}",
context: /* ===========================================================
   * 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.]
   *
   * --------------------------------------------
   * StandardCategoryItemLabelGeneratorTests.java
   * --------------------------------------------
   * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 21-Mar-2003 : Version 1 (DG);
   * 13-Aug-2003 : Added cloning tests (DG);
   * 11-May-2004 : Renamed class (DG);
   * 23-Apr-2008 : Added testPublicCloneable() (DG);
   *
   */
  
  package org.jfree.chart.labels.junit;
  
  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 java.text.DateFormat;
  import java.text.DecimalFormat;
  import java.text.SimpleDateFormat;
  
  import junit.framework.Test;
  import junit.framework.TestCase;
  import junit.framework.TestSuite;
  
  import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
  import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
  import org.jfree.data.category.DefaultCategoryDataset;
  import org.jfree.util.PublicCloneable;
  
  /**
   * Tests for the {@link StandardCategoryItemLabelGenerator} class.
   */
  public class StandardCategoryItemLabelGeneratorTests extends TestCase {
  
      /**
       * Returns the tests as a test suite.
       *
       * @return The test suite.
       */
      public static Test suite() {
          return new TestSuite(StandardCategoryItemLabelGeneratorTests.class);
      }
  
      /**
       * Constructs a new set of tests.
       *
       * @param name  the name of the tests.
       */
      public StandardCategoryItemLabelGeneratorTests(String name) {
          super(name);
      }
  
      /**
       * Some checks for the generalLabel() method.
       */
      public void testGenerateLabel() {
          StandardCategoryItemLabelGenerator g
                  = new StandardCategoryItemLabelGenerator("{2}",
                  new DecimalFormat("0.000"));
          DefaultCategoryDataset dataset = new DefaultCategoryDataset();
          dataset.addValue(1.0, "R0", "C0");
          dataset.addValue(2.0, "R0", "C1");
          dataset.addValue(3.0, "R1", "C0");
          dataset.addValue(null, "R1", "C1");
          String s = g.generateLabel(dataset, 0, 0);
          assertTrue(s.startsWith("1"));
          assertTrue(s.endsWith("000"));
  
          // try a null value
          s = g.generateLabel(dataset, 1, 1);
          assertEquals("-", s);
      }
  
      /**
       * Some checks for the equals() method.
       */
      public void testEquals() {
  
          StandardCategoryItemLabelGenerator g1
                  = new StandardCategoryItemLabelGenerator();
          StandardCategoryItemLabelGenerator g2
                  = new StandardCategoryItemLabelGenerator();
          assertTrue(g1.equals(g2));
          assertTrue(g2.equals(g1));
  
          g1 = new StandardCategoryItemLabelGenerator("{0}",
                  new DecimalFormat("0.000"));
          assertFalse(g1.equals(g2));
          g2 = new StandardCategoryItemLabelGenerator("{0}",
                  new DecimalFormat("0.000"));
          assertTrue(g1.equals(g2));
  
          g1 = new StandardCategoryItemLabelGenerator("{1}",
                  new DecimalFormat("0.000"));
          assertFalse(g1.equals(g2));
          g2 = new StandardCategoryItemLabelGenerator("{1}",
                  new DecimalFormat("0.000"));
          assertTrue(g1.equals(g2));
  
          g1 = new StandardCategoryItemLabelGenerator("{2}",
                  new SimpleDateFormat("d-MMM"));
          assertFalse(g1.equals(g2));
          g2 = new StandardCategoryItemLabelGenerator("{2}",
                  new SimpleDateFormat("d-MMM"));
          assertTrue(g1.equals(g2));
  
      }
  
      /**
       * Simple check that hashCode is implemented.
       */
      public void testHashCode() {
          StandardCategoryItemLabelGenerator g1
                  = new StandardCategoryItemLabelGenerator();
          StandardCategoryItemLabelGenerator g2
                  = new StandardCategoryItemLabelGenerator();
          assertTrue(g1.equals(g2));
          assertTrue(g1.hashCode() == g2.hashCode());
      }
  
      /**
       * Confirm that cloning works.
       */
      public void testCloning() {
          StandardCategoryItemLabelGenerator g1
                  = new StandardCategoryItemLabelGenerator();
          StandardCategoryItemLabelGenerator g2 = null;
          try {
              g2 = (StandardCategoryItemLabelGenerator) g1.clone();
          }
          catch (CloneNotSupportedException e) {
              e.printStackTrace();
          }
          assertTrue(g1 != g2);
          assertTrue(g1.getClass() == g2.getClass());
          assertTrue(g1.equals(g2));
      }
  
      /**
       * Check to ensure that this class implements PublicCloneable.
       */
      public void testPublicCloneable() {
          StandardCategoryItemLabelGenerator g1
                  = new StandardCategoryItemLabelGenerator();
          assertTrue(g1 instanceof PublicCloneable);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      public void testSerialization() {
  
          StandardCategoryItemLabelGenerator g1
                  = new StandardCategoryItemLabelGenerator("{2}",
                  DateFormat.getInstance());
          StandardCategoryItemLabelGenerator g2 = null;
  
          try {
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(g1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
              g2 = (StandardCategoryItemLabelGenerator) in.readObject();
              in.close();
          }
          catch (Exception e) {
              e.printStackTrace();
          }
          assertEquals(g1, g2);
  
      }
  
      /**
       * A test for bug 1481087.
       */
      public void testEquals1481087() {
          StandardCategoryItemLabelGenerator g1
  