Package org.jfree.chart.axis.junit

Source Code of org.jfree.chart.axis.junit.CategoryTickTests

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

package org.jfree.chart.axis.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.chart.axis.CategoryTick;
import org.jfree.text.TextBlock;
import org.jfree.text.TextBlockAnchor;
import org.jfree.text.TextLine;
import org.jfree.ui.TextAnchor;

/**
* Tests for the {@link CategoryTick} class.
*/
public class CategoryTickTests extends TestCase {

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

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

    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
       
        Comparable c1 = "C1";
        Comparable c2 = "C2";
        TextBlock tb1 = new TextBlock();
        tb1.addLine(new TextLine("Block 1"));
        TextBlock tb2 = new TextBlock();
        tb1.addLine(new TextLine("Block 2"));
        TextBlockAnchor tba1 = TextBlockAnchor.CENTER;
        TextBlockAnchor tba2 = TextBlockAnchor.BOTTOM_CENTER;
        TextAnchor ta1 = TextAnchor.CENTER;
        TextAnchor ta2 = TextAnchor.BASELINE_LEFT;
       
        CategoryTick t1 = new CategoryTick(c1, tb1, tba1, ta1, 1.0f);
        CategoryTick t2 = new CategoryTick(c1, tb1, tba1, ta1, 1.0f);
        assertTrue(t1.equals(t2));
       
        t1 = new CategoryTick(c2, tb1, tba1, ta1, 1.0f);
        assertFalse(t1.equals(t2));
        t2 = new CategoryTick(c2, tb1, tba1, ta1, 1.0f);
        assertTrue(t1.equals(t2));

        t1 = new CategoryTick(c2, tb2, tba1, ta1, 1.0f);
        assertFalse(t1.equals(t2));
        t2 = new CategoryTick(c2, tb2, tba1, ta1, 1.0f);
        assertTrue(t1.equals(t2));

        t1 = new CategoryTick(c2, tb2, tba2, ta1, 1.0f);
        assertFalse(t1.equals(t2));
        t2 = new CategoryTick(c2, tb2, tba2, ta1, 1.0f);
        assertTrue(t1.equals(t2));

        t1 = new CategoryTick(c2, tb2, tba2, ta2, 1.0f);
        assertFalse(t1.equals(t2));
        t2 = new CategoryTick(c2, tb2, tba2, ta2, 1.0f);
        assertTrue(t1.equals(t2));

        t1 = new CategoryTick(c2, tb2, tba2, ta2, 2.0f);
        assertFalse(t1.equals(t2));
        t2 = new CategoryTick(c2, tb2, tba2, ta2, 2.0f);
        assertTrue(t1.equals(t2));
       
    }

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        CategoryTick t1 = new CategoryTick(
            "C1", new TextBlock(), TextBlockAnchor.CENTER, TextAnchor.CENTER, 1.5f
        );
        CategoryTick t2 = null;
        try {
            t2 = (CategoryTick) t1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(t1 != t2);
        assertTrue(t1.getClass() == t2.getClass());
        assertTrue(t1.equals(t2));
    }

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        CategoryTick t1 = new CategoryTick(
                "C1", new TextBlock(), TextBlockAnchor.CENTER, TextAnchor.CENTER, 1.5f
            );
        CategoryTick t2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(t1);
            out.close();

            ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
            t2 = (CategoryTick) in.readObject();
            in.close();
        }
        catch (Exception e) {
            System.out.println(e.toString());
        }
        assertEquals(t1, t2);

    }

}
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