home | career | drupal | java | mac | mysql | perl | scala | uml | unix  

jfreechart example source code file (TimePeriodValuesCollectionTests.java)

This example jfreechart source code file (TimePeriodValuesCollectionTests.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

day, epsilon, epsilon, illegalargumentexception, io, s1, series, simpletimeperiod, simpletimeperiod, test, timeperiodvalues, timeperiodvalues, timeperiodvaluescollection, timeperiodvaluescollection, timeperiodvaluescollectiontests

The jfreechart TimePeriodValuesCollectionTests.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.]
 *
 * ------------------------------------
 * TimePeriodValuesCollectionTests.java
 * ------------------------------------
 * (C) Copyright 2005-2008, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 11-Mar-2005 : Version 1 (DG);
 * 08-Mar-2007 : Added testGetSeries() (DG);
 * 11-Jun-2007 : Added tests for getDomainBounds() (DG);
 * 10-Jul-2007 : Fixed compile errors (DG);
 * 07-Apr-2008 : Added more checks to 
 *               testGetDomainBoundsWithInterval() (DG);
 *
 */

package org.jfree.data.time.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.data.Range;
import org.jfree.data.time.Day;
import org.jfree.data.time.SimpleTimePeriod;
import org.jfree.data.time.TimePeriodAnchor;
import org.jfree.data.time.TimePeriodValues;
import org.jfree.data.time.TimePeriodValuesCollection;

/**
 * Some tests for the {@link TimePeriodValuesCollection} class.
 */
public class TimePeriodValuesCollectionTests extends TestCase {

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

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

    /**
     * Common test setup.
     */
    protected void setUp() {
        // no setup
    }

    /**
     * A test for bug report 1161340.  I wasn't able to reproduce the problem
     * with this test.
     */
    public void test1161340() {
        TimePeriodValuesCollection dataset = new TimePeriodValuesCollection();
        TimePeriodValues v1 = new TimePeriodValues("V1");
        v1.add(new Day(11, 3, 2005), 1.2);
        v1.add(new Day(12, 3, 2005), 3.4);
        dataset.addSeries(v1);
        assertEquals(1, dataset.getSeriesCount());
        dataset.removeSeries(v1);
        assertEquals(0, dataset.getSeriesCount());
        
        TimePeriodValues v2 = new TimePeriodValues("V2");
        v1.add(new Day(5, 3, 2005), 1.2);
        v1.add(new Day(6, 3, 2005), 3.4);
        dataset.addSeries(v2);
        assertEquals(1, dataset.getSeriesCount());
    }
    
    /**
     * Tests the equals() method.
     */
    public void testEquals() {
        
        TimePeriodValuesCollection c1 = new TimePeriodValuesCollection();
        TimePeriodValuesCollection c2 = new TimePeriodValuesCollection();
        assertTrue(c1.equals(c2));
        
        c1.setDomainIsPointsInTime(!c1.getDomainIsPointsInTime());
        assertFalse(c1.equals(c2));
        c2.setDomainIsPointsInTime(c1.getDomainIsPointsInTime());
        assertTrue(c1.equals(c2));
        
        c1.setXPosition(TimePeriodAnchor.END);
        assertFalse(c1.equals(c2));
        c2.setXPosition(TimePeriodAnchor.END);
        assertTrue(c1.equals(c2));
        
        TimePeriodValues v1 = new TimePeriodValues("Test");
        TimePeriodValues v2 = new TimePeriodValues("Test");
        
        c1.addSeries(v1);
        assertFalse(c1.equals(c2));
        c2.addSeries(v2);
        assertTrue(c1.equals(c2));
    }

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        TimePeriodValuesCollection c1 = new TimePeriodValuesCollection();
        TimePeriodValuesCollection c2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(c1);
            out.close();

            ObjectInput in = new ObjectInputStream(
                    new ByteArrayInputStream(buffer.toByteArray()));
            c2 = (TimePeriodValuesCollection) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(c1, c2);
    }

    /**
     * Some basic checks for the getSeries() method.
     */
    public void testGetSeries() {
        TimePeriodValuesCollection c1 = new TimePeriodValuesCollection();
        TimePeriodValues s1 = new TimePeriodValues("Series 1");
        c1.addSeries(s1);
        assertEquals("Series 1", c1.getSeries(0).getKey());
        
        boolean pass = false;
        try {
            c1.getSeries(-1);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);
        
        pass = false;
        try {
            c1.getSeries(1);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);
    }
    
    private static final double EPSILON = 0.0000000001;
    
    /**
     * Some checks for the getDomainBounds() method.
     */
    public void testGetDomainBoundsWithoutInterval() {
        // check empty dataset
        TimePeriodValuesCollection dataset = new TimePeriodValuesCollection();
        dataset.setDomainIsPointsInTime(false);
        Range r = dataset.getDomainBounds(false);
        assertNull(r);
        
        // check dataset with one time period
        TimePeriodValues s1 = new TimePeriodValues("S1");
        s1.add(new SimpleTimePeriod(1000L, 2000L), 1.0);
        dataset.addSeries(s1);
        r = dataset.getDomainBounds(false);
        assertEquals(1500.0, r.getLowerBound(), EPSILON);
        assertEquals(1500.0, r.getUpperBound(), EPSILON);
        
        // check dataset with two time periods
        s1.add(new SimpleTimePeriod(1500L, 3000L), 2.0);
        r = dataset.getDomainBounds(false);
        assertEquals(1500.0, r.getLowerBound(), EPSILON);
        assertEquals(2250.0, r.getUpperBound(), EPSILON);  
    }

    /**
     * Some more checks for the getDomainBounds() method.
     * 
     * @see #testGetDomainBoundsWithoutInterval()
     */
    public void testGetDomainBoundsWithInterval() {
        // check empty dataset
        TimePeriodValuesCollection dataset = new TimePeriodValuesCollection();
        Range r = dataset.getDomainBounds(true);
        assertNull(r);
        
        // check dataset with one time period
        TimePeriodValues s1 = new TimePeriodValues("S1");
        s1.add(new SimpleTimePeriod(1000L, 2000L), 1.0);
        dataset.addSeries(s1);
        r = dataset.getDomainBounds(true);
        assertEquals(1000.0, r.getLowerBound(), EPSILON);
        assertEquals(2000.0, r.getUpperBound(), EPSILON);
        
        // check dataset with two time periods
        s1.add(new SimpleTimePeriod(1500L, 3000L), 2.0);
        r = dataset.getDomainBounds(true);
        assertEquals(1000.0, r.getLowerBound(), EPSILON);
        assertEquals(3000.0, r.getUpperBound(), EPSILON);
        
        // add a third time period
        s1.add(new SimpleTimePeriod(6000L, 7000L), 1.5);
        r = dataset.getDomainBounds(true);
        assertEquals(1000.0, r.getLowerBound(), EPSILON);
        assertEquals(7000.0, r.getUpperBound(), EPSILON);

        // add a fourth time period
        s1.add(new SimpleTimePeriod(4000L, 5000L), 1.4);
        r = dataset.getDomainBounds(true);
        assertEquals(1000.0, r.getLowerBound(), EPSILON);
        assertEquals(7000.0, r.getUpperBound(), EPSILON);    
    }
}

Other jfreechart examples (source code examples)

Here is a short list of links related to this jfreechart TimePeriodValuesCollectionTests.java source code file:



my book on functional programming

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.