/* ===========================================================
* 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.]
*
* -------------------
* RangeTypeTests.java
* -------------------
* (C) Copyright 2005-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 19-May-2005 : Version 1 (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;
/**
* Tests for the {@link RangeType} class.
*/
public class RangeTypeTest {
/**
* Some checks for the equals() method.
*/
@Test
public void testEquals() {
assertEquals(RangeType.FULL, RangeType.FULL);
assertEquals(RangeType.NEGATIVE, RangeType.NEGATIVE);
assertEquals(RangeType.POSITIVE, RangeType.POSITIVE);
assertFalse(RangeType.FULL.equals(RangeType.NEGATIVE));
assertFalse(RangeType.FULL.equals(RangeType.POSITIVE));
assertFalse(RangeType.FULL.equals(null));
assertFalse(RangeType.NEGATIVE.equals(RangeType.FULL));
assertFalse(RangeType.NEGATIVE.equals(RangeType.POSITIVE));
assertFalse(RangeType.NEGATIVE.equals(null));
assertFalse(RangeType.POSITIVE.equals(RangeType.NEGATIVE));
assertFalse(RangeType.POSITIVE.equals(RangeType.FULL));
assertFalse(RangeType.POSITIVE.equals(null));
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashCode() {
RangeType r1 = RangeType.FULL;
RangeType r2 = RangeType.FULL;
assertEquals(r1, r2);
int h1 = r1.hashCode();
int h2 = r2.hashCode();
assertEquals(h1, h2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
RangeType r1 = RangeType.FULL;
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
RangeType r2 = (RangeType) in.readObject();
in.close();
assertEquals(r1, r2);
boolean same = r1 == r2;
assertEquals(true, same);
}
}