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File org.jfree.chart.renderer.xy.junit.XYDifferenceRendererTests.java

Here you can find all the information about the file org.jfree.chart.renderer.xy.junit.XYDifferenceRendererTests.java. You may explore it here or download it onto your local disk.
/* ===========================================================
 * 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.]
 *
 * ------------------------------
 * XYDifferenceRendererTests.java
 * ------------------------------
 * (C) Copyright 2003-2005, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: XYDifferenceRendererTests.java,v 1.5.2.2 2005/10/25 20:56:44 mungady Exp $
 *
 * Changes
 * -------
 * 22-Oct-2003 : Version 1 (DG);
 * 04-May-2005 : Improved equals() test (DG);
 *
 */


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

import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.geom.Line2D;
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.renderer.xy.XYDifferenceRenderer;

/**
 * Tests for the {@link XYDifferenceRenderer} class.
 */

public class XYDifferenceRendererTests extends TestCase {

    /**
     * Returns the tests as a test suite.
     *
     * @return The test suite.
     */

    public static Test suite() {
        return new TestSuite(XYDifferenceRendererTests.class);
    }

    /**
     * Constructs a new set of tests.
     *
     * @param name  the name of the tests.
     */

    public XYDifferenceRendererTests(String name) {
        super(name);
    }

    /**
     * Check that the equals() method distinguishes all fields.
     */

    public void testEquals() {
        XYDifferenceRenderer r1 = new XYDifferenceRenderer(
                Color.red, Color.blue, false);
        XYDifferenceRenderer r2 = new XYDifferenceRenderer(
                Color.red, Color.blue, false);
        assertEquals(r1, r2);
        
        // positive paint
        r1.setPositivePaint(new GradientPaint(1.0f, 2.0f, Color.red, 
                3.0f, 4.0f, Color.blue));
        assertFalse(r1.equals(r2));
        r2.setPositivePaint(new GradientPaint(1.0f, 2.0f, Color.red, 
                3.0f, 4.0f, Color.blue));
        assertTrue(r1.equals(r2));
        
        // negative paint
        r1.setNegativePaint(new GradientPaint(1.0f, 2.0f, Color.yellow, 
                3.0f, 4.0f, Color.blue));
        assertFalse(r1.equals(r2));
        r2.setNegativePaint(new GradientPaint(1.0f, 2.0f, Color.yellow, 
                3.0f, 4.0f, Color.blue));
        assertTrue(r1.equals(r2));
        
        // shapesVisible
        r1 = new XYDifferenceRenderer(Color.green, Color.yellow, true);
        assertFalse(r1.equals(r2));
        r2 = new XYDifferenceRenderer(Color.green, Color.yellow, true);
        assertTrue(r1.equals(r2));
        
        // legendLine
        r1.setLegendLine(new Line2D.Double(1.0, 2.0, 3.0, 4.0));
        assertFalse(r1.equals(r2));
        r2.setLegendLine(new Line2D.Double(1.0, 2.0, 3.0, 4.0));
        assertTrue(r1.equals(r2));
        
        assertFalse(r1.equals(null));
    }

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

    public void testHashcode() {
        XYDifferenceRenderer r1 
            = new XYDifferenceRenderer(Color.red, Color.blue, false);
        XYDifferenceRenderer r2 
            = new XYDifferenceRenderer(Color.red, Color.blue, false);
        assertTrue(r1.equals(r2));
        int h1 = r1.hashCode();
        int h2 = r2.hashCode();
        assertEquals(h1, h2);
    }
    
    /**
     * Confirm that cloning works.
     */

    public void testCloning() {
        XYDifferenceRenderer r1 
            = new XYDifferenceRenderer(Color.red, Color.blue, false);
        XYDifferenceRenderer r2 = null;
        try {
            r2 = (XYDifferenceRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }

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

    public void testSerialization() {

        XYDifferenceRenderer r1 
            = new XYDifferenceRenderer(Color.red, Color.blue, false);
        XYDifferenceRenderer r2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);
            out.close();

            ObjectInput in = new ObjectInputStream(
                new ByteArrayInputStream(buffer.toByteArray())
            );
            r2 = (XYDifferenceRenderer) in.readObject();
            in.close();
        }
        catch (Exception e) {
            System.out.println(e.toString());
        }
        assertEquals(r1, r2);

    }

}

File Information:

file name:XYDifferenceRendererTests.java
package:org.jfree.chart.renderer.xy.junit
qualified name:org.jfree.chart.renderer.xy.junit.XYDifferenceRendererTests.java
file type:Java Source File
download location:download http://dgpf.sourceforge.net/source/org/jfree/chart/renderer/xy/junit/XYDifferenceRendererTests.java
size:6.087 KB (6234 B)
uploaded: 2018-01-07 12:03:35 GMT+0000
last update: 2006-08-25 12:16:44 GMT+0000
last access: 2018-01-07 12:03:35 GMT+0000

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Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/project-web/dgpf/htdocs/scripts/datetime.php on line 16

Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/project-web/dgpf/htdocs/scripts/datetime.php on line 16
last modified at 2018-01-07 12:03:34 GMT+0000
Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/project-web/dgpf/htdocs/scripts/datetime.php on line 19

Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/project-web/dgpf/htdocs/scripts/datetime.php on line 19
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