jfreechart example source code file (StrokeMapTests.java)

This example jfreechart source code file (StrokeMapTests.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

a, a, awt, bytearrayinputstream, bytearrayoutputstream, bytearrayoutputstream, clonenotsupportedexception, exception, illegalargumentexception, io, k1, k2, k2, objectinput, strokemap, strokemap

The jfreechart StrokeMapTests.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.]
 *
 * -------------------
 * StrokeMapTests.java
 * -------------------
 * (C) Copyright 2006-2008, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes:
 * --------
 * 27-Sep-2006 : Version 1 (DG);
 *
 */

package org.jfree.chart.junit;

import java.awt.BasicStroke;
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.StrokeMap;

/**
 * Some tests for the {@link StrokeMap} class.
 */
public class StrokeMapTests extends TestCase {

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

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

    /**
     * Some checks for the getStroke() method.
     */
    public void testGetStroke() {
        StrokeMap m1 = new StrokeMap();
        assertEquals(null, m1.getStroke("A"));
        m1.put("A", new BasicStroke(1.1f));
        assertEquals(new BasicStroke(1.1f), m1.getStroke("A"));
        m1.put("A", null);
        assertEquals(null, m1.getStroke("A"));

        // a null key should throw an IllegalArgumentException
        boolean pass = false;
        try {
            m1.getStroke(null);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);
    }

    /**
     * Some checks for the put() method.
     */
    public void testPut() {
        StrokeMap m1 = new StrokeMap();
        m1.put("A", new BasicStroke(1.1f));
        assertEquals(new BasicStroke(1.1f), m1.getStroke("A"));

        // a null key should throw an IllegalArgumentException
        boolean pass = false;
        try {
            m1.put(null, new BasicStroke(1.1f));
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);
    }

    /**
     * Some checks for the equals() method.
     */
    public void testEquals() {
        StrokeMap m1 = new StrokeMap();
        StrokeMap m2 = new StrokeMap();
        assertTrue(m1.equals(m1));
        assertTrue(m1.equals(m2));
        assertFalse(m1.equals(null));
        assertFalse(m1.equals("ABC"));

        m1.put("K1", new BasicStroke(1.1f));
        assertFalse(m1.equals(m2));
        m2.put("K1", new BasicStroke(1.1f));
        assertTrue(m1.equals(m2));

        m1.put("K2", new BasicStroke(2.2f));
        assertFalse(m1.equals(m2));
        m2.put("K2", new BasicStroke(2.2f));
        assertTrue(m1.equals(m2));

        m1.put("K2", null);
        assertFalse(m1.equals(m2));
        m2.put("K2", null);
        assertTrue(m1.equals(m2));
    }

    /**
     * Some checks for cloning.
     */
    public void testCloning() {
        StrokeMap m1 = new StrokeMap();
        StrokeMap m2 = null;
        try {
            m2 = (StrokeMap) m1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(m1.equals(m2));

        m1.put("K1", new BasicStroke(1.1f));
        m1.put("K2", new BasicStroke(2.2f));
        try {
            m2 = (StrokeMap) m1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(m1.equals(m2));
    }

    /**
     * A check for serialization.
     */
    public void testSerialization1() {
        StrokeMap m1 = new StrokeMap();
        StrokeMap m2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(m1);
            out.close();

            ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                    buffer.toByteArray()));
            m2 = (StrokeMap) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(m1, m2);
    }

    /**
     * A check for serialization.
     */
    public void testSerialization2() {
        StrokeMap m1 = new StrokeMap();
        m1.put("K1", new BasicStroke(1.1f));
        m1.put("K2", new BasicStroke(2.2f));
        StrokeMap m2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(m1);
            out.close();

            ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                    buffer.toByteArray()));
            m2 = (StrokeMap) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(m1, m2);
    }

}