/* ===========================================================
 
* JFreeChart : a free chart library for the Java(tm) platform
 
* ===========================================================
 
*
 
* (C) Copyright 2000-2017, 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.]
 
*
 
* --------------
 
* TestUtils.java
 
* --------------
 
* (C) Copyright 2007-2017, by Object Refinery Limited.
 
*
 
* Original Author:
  
David Gilbert (for Object Refinery Limited);
 
* Contributor(s):
   
-;
 
*
 
* Changes:
 
* --------
 
* 08-Jun-2007 : Version 1 (DG);
 
*
 
*/

package org.jfree.chart;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.util.Collection;
import java.util.Iterator;

/**
 
* Some utility methods for use by the testing code.
 
*/
public class TestUtils {

    
/**
     
* Returns {@code true} if the collections contains any object that
     
* is an instance of the specified class, and {@code false} otherwise.
     
*
     
* @param collection
  
the collection.
     
* @param c
  
the class.
     
*
     
* @return A boolean.
     
*/

    
public static boolean containsInstanceOf(Collection collection, Class c) {
        
Iterator iterator = collection.iterator();
        
while (iterator.hasNext()) {
            
Object obj = iterator.next();
            
if (obj != null && obj.getClass().equals(c)) {
                
return true;
            
}
        
}
        
return false;
    
}

    
public static Object serialised(Object original) {
        
Object result = null;
        
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        
ObjectOutput out;
        
try {
            
out = new ObjectOutputStream(buffer);
            
out.writeObject(original);
            
out.close();
            
ObjectInput in = new ObjectInputStream(
                    
new ByteArrayInputStream(buffer.toByteArray()));
            
result = in.readObject();
            
in.close();
        
} catch (IOException e) {
            
throw new RuntimeException(e);
        
} catch (ClassNotFoundException e) {
            
throw new RuntimeException(e);
        
}
        
return result;
    
}
    

}