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jfreechart example source code file (PeriodAxisLabelInfoTests.java)

This example jfreechart source code file (PeriodAxisLabelInfoTests.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

awt, bytearrayoutputstream, dateformat, font, font, io, paint, periodaxislabelinfo, periodaxislabelinfo, periodaxislabelinfotests, rectangleinsets, rectangleinsets, sansserif, simpledateformat, simpledateformat, stroke, text

The jfreechart PeriodAxisLabelInfoTests.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.]
 *
 * -----------------------------
 * PeriodAxisLabelInfoTests.java
 * -----------------------------
 * (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 10-Jun-2003 : Version 1 (DG);
 * 07-Jan-2005 : Added test for hashCode() (DG);
 *
 */

package org.jfree.chart.axis.junit;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.Paint;
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 java.text.DateFormat;
import java.text.SimpleDateFormat;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.jfree.chart.axis.PeriodAxisLabelInfo;
import org.jfree.data.time.Day;
import org.jfree.data.time.Month;
import org.jfree.ui.RectangleInsets;

/**
 * Tests for the {@link PeriodAxisLabelInfo} class.
 */
public class PeriodAxisLabelInfoTests extends TestCase {

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

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

    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        PeriodAxisLabelInfo info1 = new PeriodAxisLabelInfo(Day.class,
                new SimpleDateFormat("d"));
        PeriodAxisLabelInfo info2 = new PeriodAxisLabelInfo(Day.class,
                new SimpleDateFormat("d"));
        assertTrue(info1.equals(info2));
        assertTrue(info2.equals(info1));

        Class c1 = Day.class;
        Class c2 = Month.class;
        DateFormat df1 = new SimpleDateFormat("d");
        DateFormat df2 = new SimpleDateFormat("MMM");
        RectangleInsets sp1 = new RectangleInsets(1, 1, 1, 1);
        RectangleInsets sp2 = new RectangleInsets(2, 2, 2, 2);
        Font lf1 = new Font("SansSerif", Font.PLAIN, 10);
        Font lf2 = new Font("SansSerif", Font.BOLD, 9);
        Paint lp1 = Color.black;
        Paint lp2 = Color.blue;
        boolean b1 = true;
        boolean b2 = false;
        Stroke s1 = new BasicStroke(0.5f);
        Stroke s2 = new BasicStroke(0.25f);
        Paint dp1 = Color.red;
        Paint dp2 = Color.green;

        info1 = new PeriodAxisLabelInfo(c2, df1, sp1, lf1, lp1, b1, s1, dp1);
        info2 = new PeriodAxisLabelInfo(c1, df1, sp1, lf1, lp1, b1, s1, dp1);
        assertFalse(info1.equals(info2));
        info2 = new PeriodAxisLabelInfo(c2, df1, sp1, lf1, lp1, b1, s1, dp1);
        assertTrue(info1.equals(info2));

        info1 = new PeriodAxisLabelInfo(c2, df2, sp1, lf1, lp1, b1, s1, dp1);
        assertFalse(info1.equals(info2));
        info2 = new PeriodAxisLabelInfo(c2, df2, sp1, lf1, lp1, b1, s1, dp1);
        assertTrue(info1.equals(info2));

        info1 = new PeriodAxisLabelInfo(c2, df2, sp2, lf1, lp1, b1, s1, dp1);
        assertFalse(info1.equals(info2));
        info2 = new PeriodAxisLabelInfo(c2, df2, sp2, lf1, lp1, b1, s1, dp1);
        assertTrue(info1.equals(info2));

        info1 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp1, b1, s1, dp1);
        assertFalse(info1.equals(info2));
        info2 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp1, b1, s1, dp1);
        assertTrue(info1.equals(info2));

        info1 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b1, s1, dp1);
        assertFalse(info1.equals(info2));
        info2 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b1, s1, dp1);
        assertTrue(info1.equals(info2));

        info1 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b2, s1, dp1);
        assertFalse(info1.equals(info2));
        info2 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b2, s1, dp1);
        assertTrue(info1.equals(info2));

        info1 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b2, s2, dp1);
        assertFalse(info1.equals(info2));
        info2 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b2, s2, dp1);
        assertTrue(info1.equals(info2));

        info1 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b2, s2, dp2);
        assertFalse(info1.equals(info2));
        info2 = new PeriodAxisLabelInfo(c2, df2, sp2, lf2, lp2, b2, s2, dp2);
        assertTrue(info1.equals(info2));

    }

    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashCode() {
        PeriodAxisLabelInfo info1 = new PeriodAxisLabelInfo(Day.class,
                new SimpleDateFormat("d"));
        PeriodAxisLabelInfo info2 = new PeriodAxisLabelInfo(Day.class,
                new SimpleDateFormat("d"));
        assertTrue(info1.equals(info2));
        int h1 = info1.hashCode();
        int h2 = info2.hashCode();
        assertEquals(h1, h2);
    }

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        PeriodAxisLabelInfo info1 = new PeriodAxisLabelInfo(Day.class,
                new SimpleDateFormat("d"));
        PeriodAxisLabelInfo info2 = null;
        try {
            info2 = (PeriodAxisLabelInfo) info1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(info1 != info2);
        assertTrue(info1.getClass() == info2.getClass());
        assertTrue(info1.equals(info2));
    }

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        PeriodAxisLabelInfo info1 = new PeriodAxisLabelInfo(Day.class,
                new SimpleDateFormat("d"));
        PeriodAxisLabelInfo info2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(info1);
            out.close();

            ObjectInput in = new ObjectInputStream(
                    new ByteArrayInputStream(buffer.toByteArray()));
            info2 = (PeriodAxisLabelInfo) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        boolean b = info1.equals(info2);
        assertTrue(b);
    }

}

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