/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2011, 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.]
*
* -------------------------
* HighLowRendererTests.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);
* 01-Nov-2005 : Added tests for new fields (DG);
* 17-Aug-2006 : Added testFindRangeBounds() method (DG);
* 22-Apr-2008 : Added testPublicCloneable (DG);
* 29-Apr-2008 : Extended testEquals() for new field (DG);
*
*/
package org.jfree.chart.renderer.xy.junit;
import java.awt.Color;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.util.Date;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.chart.renderer.xy.HighLowRenderer;
import org.jfree.data.Range;
import org.jfree.data.xy.DefaultOHLCDataset;
import org.jfree.data.xy.OHLCDataItem;
import org.jfree.data.xy.OHLCDataset;
import org.jfree.util.PublicCloneable;
/**
* Tests for the {@link HighLowRenderer} class.
*/
public class HighLowRendererTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(HighLowRendererTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public HighLowRendererTests(String name) {
super(name);
}
/**
* Check that the equals() method distinguishes all fields.
*/
public void testEquals() {
HighLowRenderer r1 = new HighLowRenderer();
HighLowRenderer r2 = new HighLowRenderer();
assertEquals(r1, r2);
// drawOpenTicks
r1.setDrawOpenTicks(false);
assertFalse(r1.equals(r2));
r2.setDrawOpenTicks(false);
assertTrue(r1.equals(r2));
// drawCloseTicks
r1.setDrawCloseTicks(false);
assertFalse(r1.equals(r2));
r2.setDrawCloseTicks(false);
assertTrue(r1.equals(r2));
// openTickPaint
r1.setOpenTickPaint(Color.red);
assertFalse(r1.equals(r2));
r2.setOpenTickPaint(Color.red);
assertTrue(r1.equals(r2));
// closeTickPaint
r1.setCloseTickPaint(Color.blue);
assertFalse(r1.equals(r2));
r2.setCloseTickPaint(Color.blue);
assertTrue(r1.equals(r2));
// tickLength
r1.setTickLength(99.9);
assertFalse(r1.equals(r2));
r2.setTickLength(99.9);
assertTrue(r1.equals(r2));
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashcode() {
HighLowRenderer r1 = new HighLowRenderer();
HighLowRenderer r2 = new HighLowRenderer();
assertTrue(r1.equals(r2));
int h1 = r1.hashCode();
int h2 = r2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
HighLowRenderer r1 = new HighLowRenderer();
r1.setCloseTickPaint(Color.green);
HighLowRenderer r2 = null;
try {
r2 = (HighLowRenderer) r1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(r1 != r2);
assertTrue(r1.getClass() == r2.getClass());
assertTrue(r1.equals(r2));
}
/**
* Verify that this class implements {@link PublicCloneable}.
*/
public void testPublicCloneable() {
HighLowRenderer r1 = new HighLowRenderer();
assertTrue(r1 instanceof PublicCloneable);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
HighLowRenderer r1 = new HighLowRenderer();
r1.setCloseTickPaint(Color.green);
HighLowRenderer r2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
r2 = (HighLowRenderer) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(r1, r2);
}
/**
* Some checks for the findRangeBounds() method.
*/
public void testFindRangeBounds() {
HighLowRenderer renderer = new HighLowRenderer();
OHLCDataItem item1 = new OHLCDataItem(new Date(1L), 2.0, 4.0, 1.0, 3.0,
100);
OHLCDataset dataset = new DefaultOHLCDataset("S1",
new OHLCDataItem[] {item1});
Range range = renderer.findRangeBounds(dataset);
assertEquals(new Range(1.0, 4.0), range);
OHLCDataItem item2 = new OHLCDataItem(new Date(1L), -1.0, 3.0, -1.0,
3.0, 100);
dataset = new DefaultOHLCDataset("S1", new OHLCDataItem[] {item1,
item2});
range = renderer.findRangeBounds(dataset);
assertEquals(new Range(-1.0, 4.0), range);
// try an empty dataset - should return a null range
dataset = new DefaultOHLCDataset("S1", new OHLCDataItem[] {});
range = renderer.findRangeBounds(dataset);
assertNull(range);
// try a null dataset - should return a null range
range = renderer.findRangeBounds(null);
assertNull(range);
}
}