/* ===========================================================
* 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.]
*
* --------------------------------
* ClusteredXYBarRendererTests.java
* --------------------------------
* (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 25-Mar-2003 : Version 1 (DG);
* 22-Oct-2003 : Added hashCode test (DG);
* 10-Jul-2007 : Fixed compile errors (DG);
* 22-Apr-2008 : Added testPublicCloneable() (DG);
*
*/
package org.jfree.chart.renderer.xy;
import org.jfree.chart.util.PublicCloneable;
import org.jfree.data.Range;
import org.jfree.data.xy.DefaultIntervalXYDataset;
import org.jfree.data.xy.XYDataset;
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;
/**
* Tests for the {@link ClusteredXYBarRenderer} class.
*/
public class ClusteredXYBarRendererTest {
/**
* Check that the equals() method distinguishes all fields.
*/
@Test
public void testEquals() {
ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer();
ClusteredXYBarRenderer r2 = new ClusteredXYBarRenderer();
assertEquals(r1, r2);
assertEquals(r2, r1);
r1 = new ClusteredXYBarRenderer(1.2, false);
assertFalse(r1.equals(r2));
r2 = new ClusteredXYBarRenderer(1.2, false);
assertEquals(r1, r2);
r1 = new ClusteredXYBarRenderer(1.2, true);
assertFalse(r1.equals(r2));
r2 = new ClusteredXYBarRenderer(1.2, true);
assertEquals(r1, r2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer();
ClusteredXYBarRenderer r2 = new ClusteredXYBarRenderer();
assertEquals(r1, r2);
int h1 = r1.hashCode();
int h2 = r2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer();
ClusteredXYBarRenderer r2 = (ClusteredXYBarRenderer) r1.clone();
assertNotSame(r1, r2);
assertSame(r1.getClass(), r2.getClass());
assertEquals(r1, r2);
}
/**
* Verify that this class implements {@link PublicCloneable}.
*/
@Test
public void testPublicCloneable() {
ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer();
assertTrue(r1 instanceof PublicCloneable);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
ClusteredXYBarRenderer r1 = new ClusteredXYBarRenderer();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
ClusteredXYBarRenderer r2 = (ClusteredXYBarRenderer) in.readObject();
in.close();
assertEquals(r1, r2);
}
private static final double EPSILON = 0.0000000001;
/**
* Some checks for the findDomainBounds() method (which requires special
* handling when the centerBarAtStartValue flag is set to true).
*/
@Test
public void testFindDomainBounds() {
AbstractXYItemRenderer renderer = new ClusteredXYBarRenderer();
XYDataset dataset = createSampleDataset1();
Range r = renderer.findDomainBounds(dataset);
assertEquals(0.9, r.getLowerBound(), EPSILON);
assertEquals(13.1, r.getUpperBound(), EPSILON);
renderer = new ClusteredXYBarRenderer(0.0, true);
r = renderer.findDomainBounds(dataset);
assertEquals(0.8, r.getLowerBound(), EPSILON);
assertEquals(13.0, r.getUpperBound(), EPSILON);
// check that a null dataset returns null bounds
assertNull(renderer.findDomainBounds(null));
}
/**
* Creates a sample dataset for testing.
*
* @return A sample dataset.
*/
public DefaultIntervalXYDataset createSampleDataset1() {
DefaultIntervalXYDataset d = new DefaultIntervalXYDataset();
double[] x1 = new double[] {1.0, 2.0, 3.0};
double[] x1Start = new double[] {0.9, 1.9, 2.9};
double[] x1End = new double[] {1.1, 2.1, 3.1};
double[] y1 = new double[] {4.0, 5.0, 6.0};
double[] y1Start = new double[] {1.09, 2.09, 3.09};
double[] y1End = new double[] {1.11, 2.11, 3.11};
double[][] data1 = new double[][] {x1, x1Start, x1End, y1, y1Start,
y1End};
d.addSeries("S1", data1);
double[] x2 = new double[] {11.0, 12.0, 13.0};
double[] x2Start = new double[] {10.9, 11.9, 12.9};
double[] x2End = new double[] {11.1, 12.1, 13.1};
double[] y2 = new double[] {14.0, 15.0, 16.0};
double[] y2Start = new double[] {11.09, 12.09, 13.09};
double[] y2End = new double[] {11.11, 12.11, 13.11};
double[][] data2 = new double[][] {x2, x2Start, x2End, y2, y2Start,
y2End};
d.addSeries("S2", data2);
return d;
}
}