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源代码在线查看: boxandwhiskertooltipgeneratortests.java

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				/* ===========================================================
				 * JFreeChart : a free chart library for the Java(tm) platform
				 * ===========================================================
				 *
				 * (C) Copyright 2000-2005, 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.]
				 *
				 * ---------------------------------------
				 * BoxAndWhiskerToolTipGeneratorTests.java
				 * ---------------------------------------
				 * (C) Copyright 2004, by Object Refinery Limited and Contributors.
				 *
				 * Original Author:  David Gilbert (for Object Refinery Limited);
				 * Contributor(s):   -;
				 *
				 * $Id: BoxAndWhiskerToolTipGeneratorTests.java,v 1.2.2.1 2005/10/25 20:49:19 mungady Exp $
				 *
				 * Changes
				 * -------
				 * 02-Jun-2004 : Version 1 (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.DecimalFormat;
				
				import junit.framework.Test;
				import junit.framework.TestCase;
				import junit.framework.TestSuite;
				
				import org.jfree.chart.labels.BoxAndWhiskerToolTipGenerator;
				
				/**
				 * Tests for the {@link BoxAndWhiskerToolTipGenerator} class.
				 */
				public class BoxAndWhiskerToolTipGeneratorTests extends TestCase {
				
				    /**
				     * Returns the tests as a test suite.
				     *
				     * @return The test suite.
				     */
				    public static Test suite() {
				        return new TestSuite(BoxAndWhiskerToolTipGeneratorTests.class);
				    }
				
				    /**
				     * Constructs a new set of tests.
				     *
				     * @param name  the name of the tests.
				     */
				    public BoxAndWhiskerToolTipGeneratorTests(String name) {
				        super(name);
				    }
				
				    /**
				     * A series of tests for the equals() method.
				     */
				    public void testEquals() {
				        
				        // standard test
				        BoxAndWhiskerToolTipGenerator g1 = new BoxAndWhiskerToolTipGenerator();
				        BoxAndWhiskerToolTipGenerator g2 = new BoxAndWhiskerToolTipGenerator();
				        assertTrue(g1.equals(g2));
				        assertTrue(g2.equals(g1));
				        
				        // tooltip format
				        g1 = new BoxAndWhiskerToolTipGenerator(
				            "{0} --> {1} {2}", new DecimalFormat("0.0")
				        );
				        g2 = new BoxAndWhiskerToolTipGenerator(
				            "{1} {2}", new DecimalFormat("0.0")
				        );
				        assertFalse(g1.equals(g2));
				        g2 = new BoxAndWhiskerToolTipGenerator(
				            "{0} --> {1} {2}", new DecimalFormat("0.0")
				        );
				        assertTrue(g1.equals(g2));
				
				        // Y format
				        g1 = new BoxAndWhiskerToolTipGenerator(
				            "{0} --> {1} {2}", new DecimalFormat("0.0")
				        );
				        g2 = new BoxAndWhiskerToolTipGenerator(
				            "{0} --> {1} {2}", new DecimalFormat("0.00")
				        );
				        assertFalse(g1.equals(g2));
				        g2 = new BoxAndWhiskerToolTipGenerator(
				            "{0} --> {1} {2}", new DecimalFormat("0.0")
				        );
				        assertTrue(g1.equals(g2));
				    }
				
				    /**
				     * Confirm that cloning works.
				     */
				    public void testCloning() {
				        BoxAndWhiskerToolTipGenerator g1 = new BoxAndWhiskerToolTipGenerator();
				        BoxAndWhiskerToolTipGenerator g2 = null;
				        try {
				            g2 = (BoxAndWhiskerToolTipGenerator) g1.clone();
				        }
				        catch (CloneNotSupportedException e) {
				            System.err.println("Failed to clone.");
				        }
				        assertTrue(g1 != g2);
				        assertTrue(g1.getClass() == g2.getClass());
				        assertTrue(g1.equals(g2));
				    }
				
				    /**
				     * Serialize an instance, restore it, and check for equality.
				     */
				    public void testSerialization() {
				
				        BoxAndWhiskerToolTipGenerator g1 = new BoxAndWhiskerToolTipGenerator();
				        BoxAndWhiskerToolTipGenerator 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 = (BoxAndWhiskerToolTipGenerator) in.readObject();
				            in.close();
				        }
				        catch (Exception e) {
				            System.out.println(e.toString());
				        }
				        assertEquals(g1, g2);
				
				    }
				
				}
							

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