/* ===========================================================
 
* JFreeChart : a free chart library for the Java(tm) platform
 
* ===========================================================
 
*
 
* (C) Copyright 2000-2016, 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.]
 
*
 
* ------------------------
 
* SubCategoryAxisTest.java
 
* ------------------------
 
* (C) Copyright 2004-2016, 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;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.TestUtils;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.junit.Test;

/**
 
* Tests for the {@link SubCategoryAxis} class.
 
*/
public class SubCategoryAxisTest {

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

    
@Test
    
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.
     
*/

    
@Test
    
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.
     
*/
    
@Test
    
public void testCloning() throws CloneNotSupportedException {
        
SubCategoryAxis a1 = new SubCategoryAxis("Test");
        
a1.addSubCategory("SubCategoryA");
        
SubCategoryAxis a2 = (SubCategoryAxis) a1.clone();
        
assertTrue(a1 != a2);
        
assertTrue(a1.getClass() == a2.getClass());
        
assertTrue(a1.equals(a2));
    
}

    
/**
     
* Serialize an instance, restore it, and check for equality.
     
*/

    
@Test
    
public void testSerialization() {
        
SubCategoryAxis a1 = new SubCategoryAxis("Test Axis");
        
a1.addSubCategory("SubCategoryA");
        
SubCategoryAxis a2 = (SubCategoryAxis) TestUtils.serialised(a1);
        
assertEquals(a1, a2);
    
}

    
/**
     
* A check for the NullPointerException in bug 2275695.
     
*/
    
@Test
    
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"));
        
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();
        
}
        
catch (Exception e) {
            
fail("There should be no exception.");
        
}
    
}

}