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File org.jfree.chart.annotations.junit.TextAnnotationTests.java

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/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2005, 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.]
 *
 * ------------------------
 * TextAnnotationTests.java
 * ------------------------
 * (C) Copyright 2003-2005, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: TextAnnotationTests.java,v 1.3.2.2 2005/10/25 20:36:50 mungady Exp $
 *
 * Changes
 * -------
 * 19-Aug-2003 : Version 1 (DG);
 * 07-Jan-2005 : Added testHashCode() method (DG);
 *
 */


package org.jfree.chart.annotations.junit;

import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;

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

import org.jfree.chart.annotations.CategoryTextAnnotation;
import org.jfree.chart.annotations.TextAnnotation;
import org.jfree.ui.TextAnchor;

/**
 * Tests for the {@link TextAnnotation} class.
 */

public class TextAnnotationTests extends TestCase {

    /**
     * Returns the tests as a test suite.
     *
     * @return The test suite.
     */

    public static Test suite() {
        return new TestSuite(TextAnnotationTests.class);
    }

    /**
     * Constructs a new set of tests.
     *
     * @param name  the name of the tests.
     */

    public TextAnnotationTests(String name) {
        super(name);
    }

    /**
     * Confirm that the equals method can distinguish all the required fields.
     */

    public void testEquals() {
        
        TextAnnotation a1 = new CategoryTextAnnotation("Test""Category", 1.0);
        TextAnnotation a2 = new CategoryTextAnnotation("Test""Category", 1.0);
        assertTrue(a1.equals(a2));
        
        // text 
        a1.setText("Text");
        assertFalse(a1.equals(a2));
        a2.setText("Text");
        assertTrue(a1.equals(a2));

        // font 
        a1.setFont(new Font("Serif", Font.BOLD, 18));
        assertFalse(a1.equals(a2));
        a2.setFont(new Font("Serif", Font.BOLD, 18));
        assertTrue(a1.equals(a2));

        // paint 
        a1.setPaint(new GradientPaint(1.0f, 2.0f, Color.red, 
                3.0f, 4.0f, Color.pink));
        assertFalse(a1.equals(a2));
        a2.setPaint(new GradientPaint(1.0f, 2.0f, Color.red, 
                3.0f, 4.0f, Color.pink));
        assertTrue(a1.equals(a2));

        // textAnchor 
        a1.setTextAnchor(TextAnchor.BOTTOM_LEFT);
        assertFalse(a1.equals(a2));
        a2.setTextAnchor(TextAnchor.BOTTOM_LEFT);
        assertTrue(a1.equals(a2));

        // rotationAnchor 
        a1.setRotationAnchor(TextAnchor.BOTTOM_LEFT);
        assertFalse(a1.equals(a2));
        a2.setRotationAnchor(TextAnchor.BOTTOM_LEFT);
        assertTrue(a1.equals(a2));

        // rotationAngle 
        a1.setRotationAngle(Math.PI);
        assertFalse(a1.equals(a2));
        a2.setRotationAngle(Math.PI);
        assertTrue(a1.equals(a2));

    }
    
    /**
     * Two objects that are equal are required to return the same hashCode. 
     */

    public void testHashCode() {
        TextAnnotation a1 = new CategoryTextAnnotation("Test""Category", 1.0);
        TextAnnotation a2 = new CategoryTextAnnotation("Test""Category", 1.0);
        assertTrue(a1.equals(a2));
        int h1 = a1.hashCode();
        int h2 = a2.hashCode();
        assertEquals(h1, h2);
    }

}

File Information:

file name:TextAnnotationTests.java
package:org.jfree.chart.annotations.junit
qualified name:org.jfree.chart.annotations.junit.TextAnnotationTests.java
file type:Java Source File
download location:download http://dgpf.sourceforge.net/source/org/jfree/chart/annotations/junit/TextAnnotationTests.java
size:4.526 KB (4635 B)
uploaded: 2015-07-22 04:11:01 GMT+0000
last update: 2006-08-25 12:16:42 GMT+0000
last access: 2017-11-18 06:37:20 GMT+0000

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