/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2011, 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.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* -------------------------
* SubCategoryAxisTests.java
* -------------------------
* (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 12-May-2004 : Version 1 (DG);
* 07-Jan-2005 : Added test for hashCode() (DG);
* 13-Nov-2008 : Added test2275695() (DG);
*
*/
package org.jfree.chart.axis.junit;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
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.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.SubCategoryAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
/**
* Tests for the {@link SubCategoryAxis} class.
*/
public class SubCategoryAxisTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(SubCategoryAxisTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public SubCategoryAxisTests(String name) {
super(name);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
public void testEquals() {
SubCategoryAxis a1 = new SubCategoryAxis("Test");
SubCategoryAxis a2 = new SubCategoryAxis("Test");
assertTrue(a1.equals(a2));
assertTrue(a2.equals(a1));
// subcategories
a1.addSubCategory("Sub 1");
assertFalse(a1.equals(a2));
a2.addSubCategory("Sub 1");
assertTrue(a1.equals(a2));
// subLabelFont
a1.setSubLabelFont(new Font("Serif", Font.BOLD, 15));
assertFalse(a1.equals(a2));
a2.setSubLabelFont(new Font("Serif", Font.BOLD, 15));
assertTrue(a1.equals(a2));
// subLabelPaint
a1.setSubLabelPaint(Color.red);
assertFalse(a1.equals(a2));
a2.setSubLabelPaint(Color.red);
assertTrue(a1.equals(a2));
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashCode() {
SubCategoryAxis a1 = new SubCategoryAxis("Test");
SubCategoryAxis a2 = new SubCategoryAxis("Test");
assertTrue(a1.equals(a2));
int h1 = a1.hashCode();
int h2 = a2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
SubCategoryAxis a1 = new SubCategoryAxis("Test");
a1.addSubCategory("SubCategoryA");
SubCategoryAxis a2 = null;
try {
a2 = (SubCategoryAxis) a1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(a1 != a2);
assertTrue(a1.getClass() == a2.getClass());
assertTrue(a1.equals(a2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
SubCategoryAxis a1 = new SubCategoryAxis("Test Axis");
a1.addSubCategory("SubCategoryA");
SubCategoryAxis a2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(a1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
a2 = (SubCategoryAxis) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(a1, a2);
}
/**
* A check for the NullPointerException in bug 2275695.
*/
public void test2275695() {
JFreeChart chart = ChartFactory.createStackedBarChart("Test",
"Category", "Value", null, PlotOrientation.VERTICAL,
true, false, false);
CategoryPlot plot = (CategoryPlot) chart.getPlot();
plot.setDomainAxis(new SubCategoryAxis("SubCategoryAxis"));
boolean success = false;
try {
BufferedImage image = new BufferedImage(200 , 100,
BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
g2.dispose();
success = true;
}
catch (Exception e) {
e.printStackTrace();
success = false;
}
assertTrue(success);
}
}