/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2012, 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.]
*
* --------------------------------
* ComparableObjectSeriesTests.java
* --------------------------------
* (C) Copyright 2006-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 20-Oct-2006 : Version 1 (DG);
* 31-Oct-2007 : New hashCode() test (DG);
*
*/
package org.jfree.data;
import org.junit.Test;
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 static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* Tests for the {@link ComparableObjectSeries} class.
*/
public class ComparableObjectSeriesTest {
static class MyComparableObjectSeries extends ComparableObjectSeries {
/**
* Creates a new instance.
*
* @param key the series key.
*/
public MyComparableObjectSeries(Comparable key) {
super(key);
}
/**
* Creates a new instance.
*
* @param key the series key.
* @param autoSort automatically sort by x-value?
* @param allowDuplicateXValues allow duplicate values?
*/
public MyComparableObjectSeries(Comparable key, boolean autoSort,
boolean allowDuplicateXValues) {
super(key, autoSort, allowDuplicateXValues);
}
@Override
public void add(Comparable x, Object y) {
super.add(x, y);
}
@Override
public ComparableObjectItem remove(Comparable x) {
return super.remove(x);
}
}
/**
* Some checks for the constructor.
*/
@Test
public void testConstructor1() {
ComparableObjectSeries s1 = new ComparableObjectSeries("s1");
assertEquals("s1", s1.getKey());
assertNull(s1.getDescription());
assertTrue(s1.getAllowDuplicateXValues());
assertTrue(s1.getAutoSort());
assertEquals(0, s1.getItemCount());
assertEquals(Integer.MAX_VALUE, s1.getMaximumItemCount());
// try null key
try {
/*s1 = */new ComparableObjectSeries(null);
fail("Should have thrown an IllegalArgumentException on null parameter");
}
catch (IllegalArgumentException e) {
assertEquals("Null 'key' argument.", e.getMessage());
}
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
@Test
public void testEquals() {
MyComparableObjectSeries s1 = new MyComparableObjectSeries("A");
MyComparableObjectSeries s2 = new MyComparableObjectSeries("A");
assertEquals(s1, s2);
assertEquals(s2, s1);
// key
s1 = new MyComparableObjectSeries("B");
assertFalse(s1.equals(s2));
s2 = new MyComparableObjectSeries("B");
assertEquals(s1, s2);
// autoSort
s1 = new MyComparableObjectSeries("B", false, true);
assertFalse(s1.equals(s2));
s2 = new MyComparableObjectSeries("B", false, true);
assertEquals(s1, s2);
// allowDuplicateXValues
s1 = new MyComparableObjectSeries("B", false, false);
assertFalse(s1.equals(s2));
s2 = new MyComparableObjectSeries("B", false, false);
assertEquals(s1, s2);
// add a value
s1.add(new Integer(1), "ABC");
assertFalse(s1.equals(s2));
s2.add(new Integer(1), "ABC");
assertEquals(s1, s2);
// add another value
s1.add(new Integer(0), "DEF");
assertFalse(s1.equals(s2));
s2.add(new Integer(0), "DEF");
assertEquals(s1, s2);
// remove an item
s1.remove(new Integer(1));
assertFalse(s1.equals(s2));
s2.remove(new Integer(1));
assertEquals(s1, s2);
}
/**
* Some checks for the clone() method.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
MyComparableObjectSeries s1 = new MyComparableObjectSeries("A");
s1.add(new Integer(1), "ABC");
MyComparableObjectSeries s2 = (MyComparableObjectSeries) s1.clone();
assertNotSame(s1, s2);
assertSame(s1.getClass(), s2.getClass());
assertEquals(s1, s2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
MyComparableObjectSeries s1 = new MyComparableObjectSeries("A");
s1.add(new Integer(1), "ABC");
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(s1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
MyComparableObjectSeries s2 = (MyComparableObjectSeries) in.readObject();
in.close();
assertEquals(s1, s2);
}
/**
* Some simple checks for the hashCode() method.
*/
@Test
public void testHashCode() {
MyComparableObjectSeries s1 = new MyComparableObjectSeries("Test");
MyComparableObjectSeries s2 = new MyComparableObjectSeries("Test");
assertEquals(s1, s2);
assertEquals(s1.hashCode(), s2.hashCode());
s1.add("A", "1");
s2.add("A", "1");
assertEquals(s1, s2);
assertEquals(s1.hashCode(), s2.hashCode());
s1.add("B", null);
s2.add("B", null);
assertEquals(s1, s2);
assertEquals(s1.hashCode(), s2.hashCode());
s1.add("C", "3");
s2.add("C", "3");
assertEquals(s1, s2);
assertEquals(s1.hashCode(), s2.hashCode());
s1.add("D", "4");
s2.add("D", "4");
assertEquals(s1, s2);
assertEquals(s1.hashCode(), s2.hashCode());
}
}