/* ===========================================================

 * JFreeChart : a free chart library for the Java(tm) platform

 * ===========================================================

 *

 * (C) Copyright 2000-2004, 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., 59 Temple Place, Suite 330,

 * Boston, MA 02111-1307, USA.

 *

 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 

 * in the United States and other countries.]

 *

 * -------------------------

 * FastScatterPlotTests.java

 * -------------------------

 * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.

 *

 * Original Author:  David Gilbert (for Object Refinery Limited);

 * Contributor(s):   -;

 *

 * $Id: FastScatterPlotTests.java,v 1.1 2004/08/31 14:42:21 mungady Exp $

 *

 * Changes

 * -------

 * 18-Mar-2003 : Version 1 (DG);

 *

 */



package org.jfree.chart.plot.junit;



import java.awt.BasicStroke;

import java.awt.Color;

import java.awt.Stroke;

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.axis.NumberAxis;

import org.jfree.chart.axis.ValueAxis;

import org.jfree.chart.plot.FastScatterPlot;



/**

 * Tests for the {@link FastScatterPlot} class.

 */

public class FastScatterPlotTests extends TestCase {



    /**

     * Returns the tests as a test suite.

     *

     * @return The test suite.

     */

    public static Test suite() {

        return new TestSuite(FastScatterPlotTests.class);

    }



    /**

     * Constructs a new set of tests.

     *

     * @param name  the name of the tests.

     */

    public FastScatterPlotTests(String name) {

        super(name);

    }



    /**

     * Test the equals() method.

     */

    public void testEquals() {

        

        FastScatterPlot plot1 = new FastScatterPlot();

        FastScatterPlot plot2 = new FastScatterPlot();

        assertTrue(plot1.equals(plot2));    

        assertTrue(plot2.equals(plot1));

        

        plot1.setPaint(Color.yellow);

        assertFalse(plot1.equals(plot2));

        plot2.setPaint(Color.yellow);

        assertTrue(plot1.equals(plot2));

        

        plot1.setDomainGridlinesVisible(false);

        assertFalse(plot1.equals(plot2));

        plot2.setDomainGridlinesVisible(false);

        assertTrue(plot1.equals(plot2));

        

        plot1.setDomainGridlinePaint(Color.red);

        assertFalse(plot1.equals(plot2));

        plot2.setDomainGridlinePaint(Color.red);

        assertTrue(plot1.equals(plot2));

        

        Stroke s = new BasicStroke(1.5f);

        plot1.setDomainGridlineStroke(s);

        assertFalse(plot1.equals(plot2));

        plot2.setDomainGridlineStroke(s);

        assertTrue(plot1.equals(plot2));

        

        plot1.setRangeGridlinesVisible(false);

        assertFalse(plot1.equals(plot2));

        plot2.setRangeGridlinesVisible(false);

        assertTrue(plot1.equals(plot2));

        

        plot1.setRangeGridlinePaint(Color.red);

        assertFalse(plot1.equals(plot2));

        plot2.setRangeGridlinePaint(Color.red);

        assertTrue(plot1.equals(plot2));

        

        Stroke s2 = new BasicStroke(1.5f);

        plot1.setRangeGridlineStroke(s2);

        assertFalse(plot1.equals(plot2));

        plot2.setRangeGridlineStroke(s2);

        assertTrue(plot1.equals(plot2));

        

    }



    /**

     * Confirm that cloning works.

     */

    public void testCloning() {

        FastScatterPlot p1 = new FastScatterPlot();

        FastScatterPlot p2 = null;

        try {

            p2 = (FastScatterPlot) p1.clone();

        }

        catch (CloneNotSupportedException e) {

            e.printStackTrace();

            System.err.println("FastScatterPlotTests.testCloning: failed to clone.");

        }

        assertTrue(p1 != p2);

        assertTrue(p1.getClass() == p2.getClass());

        assertTrue(p1.equals(p2));

    }



    /**

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

     */

    public void testSerialization() {



        float[][] data = createData();



        ValueAxis domainAxis = new NumberAxis("X");

        ValueAxis rangeAxis = new NumberAxis("Y");

        FastScatterPlot p1 = new FastScatterPlot(data, domainAxis, rangeAxis);

        FastScatterPlot p2 = null;



        try {

            ByteArrayOutputStream buffer = new ByteArrayOutputStream();

            ObjectOutput out = new ObjectOutputStream(buffer);

            out.writeObject(p1);

            out.close();



            ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));

            p2 = (FastScatterPlot) in.readObject();

            in.close();

        }

        catch (Exception e) {

            System.out.println(e.toString());

        }

        assertEquals(p1, p2);



    }



    /**

     * Populates the data array with random values.

     *

     * @return Random data.

     */

    private float[][] createData() {



        float[][] result = new float[2][1000];

        for (int i = 0; i < result[0].length; i++) {



            float x = (float) i + 100;

            result[0][i] = x;

            result[1][i] = 100 + (float) Math.random() * 1000;

        }

        return result;



    }



}

