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jfreechart example source code file (AxisTests.java)

This example jfreechart source code file (AxisTests.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, axis, axis, axistests, categoryaxis, categoryaxis, clonenotsupportedexception, dialog, font, font, label, new, test, test, testcase

The jfreechart AxisTests.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.]
 *
 * --------------
 * AxisTests.java
 * --------------
 * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 13-Aug-2003 : Version 1 (DG);
 * 06-Jan-2004 : Added tests for axis line attributes (DG);
 * 07-Jan-2005 : Added hashCode() test (DG);
 * 25-Sep-2008 : Extended equals() to cover new fields (DG);
 *
 */

package org.jfree.chart.axis.junit;

import java.awt.BasicStroke;
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.axis.Axis;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.ui.RectangleInsets;

/**
 * Tests for the {@link Axis} class.
 */
public class AxisTests extends TestCase {

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

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

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        CategoryAxis a1 = new CategoryAxis("Test");
        a1.setAxisLinePaint(Color.red);
        CategoryAxis a2 = null;
        try {
            a2 = (CategoryAxis) a1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(a1 != a2);
        assertTrue(a1.getClass() == a2.getClass());
        assertTrue(a1.equals(a2));
    }

    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {

        Axis a1 = new CategoryAxis("Test");
        Axis a2 = new CategoryAxis("Test");
        assertTrue(a1.equals(a2));

        // visible flag...
        a1.setVisible(false);
        assertFalse(a1.equals(a2));
        a2.setVisible(false);
        assertTrue(a1.equals(a2));

        // label...
        a1.setLabel("New Label");
        assertFalse(a1.equals(a2));
        a2.setLabel("New Label");
        assertTrue(a1.equals(a2));

        // label font...
        a1.setLabelFont(new Font("Dialog", Font.PLAIN, 8));
        assertFalse(a1.equals(a2));
        a2.setLabelFont(new Font("Dialog", Font.PLAIN, 8));
        assertTrue(a1.equals(a2));

        // label paint...
        a1.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.white,
                3.0f, 4.0f, Color.black));
        assertFalse(a1.equals(a2));
        a2.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.white,
                3.0f, 4.0f, Color.black));
        assertTrue(a1.equals(a2));

        // label insets...
        a1.setLabelInsets(new RectangleInsets(10.0, 10.0, 10.0, 10.0));
        assertFalse(a1.equals(a2));
        a2.setLabelInsets(new RectangleInsets(10.0, 10.0, 10.0, 10.0));
        assertTrue(a1.equals(a2));

        // label angle...
        a1.setLabelAngle(1.23);
        assertFalse(a1.equals(a2));
        a2.setLabelAngle(1.23);
        assertTrue(a1.equals(a2));

        // axis line visible...
        a1.setAxisLineVisible(false);
        assertFalse(a1.equals(a2));
        a2.setAxisLineVisible(false);
        assertTrue(a1.equals(a2));

        // axis line stroke...
        BasicStroke s = new BasicStroke(1.1f);
        a1.setAxisLineStroke(s);
        assertFalse(a1.equals(a2));
        a2.setAxisLineStroke(s);
        assertTrue(a1.equals(a2));

        // axis line paint...
        a1.setAxisLinePaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.black));
        assertFalse(a1.equals(a2));
        a2.setAxisLinePaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.black));
        assertTrue(a1.equals(a2));

        // tick labels visible flag...
        a1.setTickLabelsVisible(false);
        assertFalse(a1.equals(a2));
        a2.setTickLabelsVisible(false);
        assertTrue(a1.equals(a2));

        // tick label font...
        a1.setTickLabelFont(new Font("Dialog", Font.PLAIN, 12));
        assertFalse(a1.equals(a2));
        a2.setTickLabelFont(new Font("Dialog", Font.PLAIN, 12));
        assertTrue(a1.equals(a2));

        // tick label paint...
        a1.setTickLabelPaint(new GradientPaint(1.0f, 2.0f, Color.yellow,
                3.0f, 4.0f, Color.black));
        assertFalse(a1.equals(a2));
        a2.setTickLabelPaint(new GradientPaint(1.0f, 2.0f, Color.yellow,
                3.0f, 4.0f, Color.black));
        assertTrue(a1.equals(a2));

        // tick label insets...
        a1.setTickLabelInsets(new RectangleInsets(10.0, 10.0, 10.0, 10.0));
        assertFalse(a1.equals(a2));
        a2.setTickLabelInsets(new RectangleInsets(10.0, 10.0, 10.0, 10.0));
        assertTrue(a1.equals(a2));

        // tick marks visible flag...
        a1.setTickMarksVisible(false);
        assertFalse(a1.equals(a2));
        a2.setTickMarksVisible(false);
        assertTrue(a1.equals(a2));

        // tick mark inside length...
        a1.setTickMarkInsideLength(1.23f);
        assertFalse(a1.equals(a2));
        a2.setTickMarkInsideLength(1.23f);
        assertTrue(a1.equals(a2));

        // tick mark outside length...
        a1.setTickMarkOutsideLength(1.23f);
        assertFalse(a1.equals(a2));
        a2.setTickMarkOutsideLength(1.23f);
        assertTrue(a1.equals(a2));

        // tick mark stroke...
        a1.setTickMarkStroke(new BasicStroke(2.0f));
        assertFalse(a1.equals(a2));
        a2.setTickMarkStroke(new BasicStroke(2.0f));
        assertTrue(a1.equals(a2));

        // tick mark paint...
        a1.setTickMarkPaint(new GradientPaint(1.0f, 2.0f, Color.cyan,
                3.0f, 4.0f, Color.black));
        assertFalse(a1.equals(a2));
        a2.setTickMarkPaint(new GradientPaint(1.0f, 2.0f, Color.cyan,
                3.0f, 4.0f, Color.black));
        assertTrue(a1.equals(a2));

        // tick mark outside length...
        a1.setFixedDimension(3.21f);
        assertFalse(a1.equals(a2));
        a2.setFixedDimension(3.21f);
        assertTrue(a1.equals(a2));

        a1.setMinorTickMarksVisible(true);
        assertFalse(a1.equals(a2));
        a2.setMinorTickMarksVisible(true);
        assertTrue(a1.equals(a2));

        a1.setMinorTickMarkInsideLength(1.23f);
        assertFalse(a1.equals(a2));
        a2.setMinorTickMarkInsideLength(1.23f);
        assertTrue(a1.equals(a2));

        a1.setMinorTickMarkOutsideLength(3.21f);
        assertFalse(a1.equals(a2));
        a2.setMinorTickMarkOutsideLength(3.21f);
        assertTrue(a1.equals(a2));

    }

    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashCode() {
        Axis a1 = new CategoryAxis("Test");
        Axis a2 = new CategoryAxis("Test");
        assertTrue(a1.equals(a2));
        int h1 = a1.hashCode();
        int h2 = a2.hashCode();
        assertEquals(h1, h2);
    }

}

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