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jfreechart example source code file (StandardPieURLGeneratorTests.java)

This example jfreechart source code file (StandardPieURLGeneratorTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

alpha, beta, beta, bytearrayoutputstream, bytearrayoutputstream, defaultpiedataset, io, objectinput, publiccloneable, standardpieurlgenerator, standardpieurlgenerator, standardpieurlgeneratortests, standardpieurlgeneratortests, test, testcase

The jfreechart StandardPieURLGeneratorTests.java source code

/* ===========================================================
 * 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.]
 *
 * ---------------------------------
 * StandardPieURLGeneratorTests.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);
 * 06-Jan-2003 : Added a test for URL generation (DG);
 * 24-Nov-2006 : New equals() test (DG);
 * 17-Apr-2007 : Added additional check to testURL() (DG);
 * 23-Apr-2008 : Added testPublicCloneable (DG);
 *
 */

package org.jfree.chart.urls.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 junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.jfree.chart.urls.StandardPieURLGenerator;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.util.PublicCloneable;

/**
 * Tests for the {@link StandardPieURLGenerator} class.
 */
public class StandardPieURLGeneratorTests extends TestCase {

    /**
     * Returns the tests as a test suite.
     *
     * @return The test suite.
     */
    public static Test suite() {
        return new TestSuite(StandardPieURLGeneratorTests.class);
    }

    /**
     * Constructs a new set of tests.
     *
     * @param name  the name of the tests.
     */
    public StandardPieURLGeneratorTests(String name) {
        super(name);
    }

    /**
     * Some checks for the equals() method.
     */
    public void testEquals() {
        StandardPieURLGenerator g1 = new StandardPieURLGenerator();
        StandardPieURLGenerator g2 = new StandardPieURLGenerator();
        assertTrue(g1.equals(g2));

        g1 = new StandardPieURLGenerator("prefix", "category", "index");
        assertFalse(g1.equals(g2));
        g2 = new StandardPieURLGenerator("prefix", "category", "index");
        assertTrue(g1.equals(g2));

        g1 = new StandardPieURLGenerator("prefix2", "category", "index");
        assertFalse(g1.equals(g2));
        g2 = new StandardPieURLGenerator("prefix2", "category", "index");
        assertTrue(g1.equals(g2));

        g1 = new StandardPieURLGenerator("prefix2", "category2", "index");
        assertFalse(g1.equals(g2));
        g2 = new StandardPieURLGenerator("prefix2", "category2", "index");
        assertTrue(g1.equals(g2));

        g1 = new StandardPieURLGenerator("prefix2", "category2", "index2");
        assertFalse(g1.equals(g2));
        g2 = new StandardPieURLGenerator("prefix2", "category2", "index2");
        assertTrue(g1.equals(g2));

        g1 = new StandardPieURLGenerator("prefix2", "category2", null);
        assertFalse(g1.equals(g2));
        g2 = new StandardPieURLGenerator("prefix2", "category2", null);
        assertTrue(g1.equals(g2));
    }

    /**
     * Checks that the class does not implement PublicCloneable (the generator
     * is immutable).
     */
    public void testPublicCloneable() {
        StandardPieURLGenerator g1 = new StandardPieURLGenerator(
                "index.html?", "cat");
        assertFalse(g1 instanceof PublicCloneable);
    }

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        StandardPieURLGenerator g1 = new StandardPieURLGenerator(
                "index.html?", "cat");
        StandardPieURLGenerator 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 = (StandardPieURLGenerator) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(g1, g2);

    }

    /**
     * Test that the generated URL is as expected.
     */
    public void testURL() {
        DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("Alpha '1'", new Double(5.0));
        dataset.setValue("Beta", new Double(5.5));
        StandardPieURLGenerator g1 = new StandardPieURLGenerator(
                "chart.jsp", "category");
        String url = g1.generateURL(dataset, "Beta", 0);
        assertEquals("chart.jsp?category=Beta&pieIndex=0", url);
        url = g1.generateURL(dataset, "Alpha '1'", 0);
        assertEquals("chart.jsp?category=Alpha+%271%27&pieIndex=0", url);
    }

}

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