periodaxislabelinfotests.java

jfreechart安装程序和使用说明

/* ===========================================================
 * 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.]
 *
 * -----------------------------
 * PeriodAxisLabelInfoTests.java
 * -----------------------------
 * (C) Copyright 2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: PeriodAxisLabelInfoTests.java,v 1.1 2004/08/31 14:31:24 mungady Exp $
 *
 * Changes
 * -------
 * 10-Jun-2003 : Version 1 (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 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.Spacer;

/**
 * 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, "d");
        PeriodAxisLabelInfo info2 = new PeriodAxisLabelInfo(Day.class, "d");
        assertTrue(info1.equals(info2));
        assertTrue(info2.equals(info1));
        
        Class c1 = Day.class;
        Class c2 = Month.class;
        String df1 = "d";
        String df2 = "MMM";
        Spacer sp1 = new Spacer(Spacer.ABSOLUTE, 1, 1, 1, 1);
        Spacer sp2 = new Spacer(Spacer.ABSOLUTE, 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));

    }
    
    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        PeriodAxisLabelInfo info1 = new PeriodAxisLabelInfo(Day.class, "d");
        PeriodAxisLabelInfo info2 = null;
        try {
            info2 = (PeriodAxisLabelInfo) info1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        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, "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) {
            System.out.println(e.toString());
        }
        boolean b = info1.equals(info2);
        assertTrue(b);
    }

}