/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2007, 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------------------------
* LineAndShapeRendererTests.java
* ------------------------------
* (C) Copyright 2003-2007, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 22-Sep-2003 : Version 1 (DG);
* 17-May-2007 : Added check for getLegendItem() method (DG);
* 27-Sep-2007 : Extended equals() test (DG);
*
*/
package org.jfree.chart.renderer.category.junit;
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 junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.LegendItem;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.data.category.DefaultCategoryDataset;
/**
* Tests for the {@link LineAndShapeRenderer} class.
*/
public class LineAndShapeRendererTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(LineAndShapeRendererTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public LineAndShapeRendererTests(String name) {
super(name);
}
/**
* Test that the equals() method distinguishes all fields.
*/
public void testEquals() {
LineAndShapeRenderer r1 = new LineAndShapeRenderer();
LineAndShapeRenderer r2 = new LineAndShapeRenderer();
assertEquals(r1, r2);
r1.setBaseLinesVisible(!r1.getBaseLinesVisible());
assertFalse(r1.equals(r2));
r2.setBaseLinesVisible(r1.getBaseLinesVisible());
assertTrue(r1.equals(r2));
r1.setSeriesLinesVisible(1, true);
assertFalse(r1.equals(r2));
r2.setSeriesLinesVisible(1, true);
assertTrue(r1.equals(r2));
r1.setLinesVisible(false);
assertFalse(r1.equals(r2));
r2.setLinesVisible(false);
assertTrue(r1.equals(r2));
r1.setBaseShapesVisible(!r1.getBaseShapesVisible());
assertFalse(r1.equals(r2));
r2.setBaseShapesVisible(r1.getBaseShapesVisible());
assertTrue(r1.equals(r2));
r1.setSeriesShapesVisible(1, true);
assertFalse(r1.equals(r2));
r2.setSeriesShapesVisible(1, true);
assertTrue(r1.equals(r2));
r1.setShapesVisible(false);
assertFalse(r1.equals(r2));
r2.setShapesVisible(false);
assertTrue(r1.equals(r2));
r1.setShapesFilled(false);
assertFalse(r1.equals(r2));
r2.setShapesFilled(false);
assertTrue(r1.equals(r2));
r1.setSeriesShapesFilled(1, true);
assertFalse(r1.equals(r2));
r2.setSeriesShapesFilled(1, true);
assertTrue(r1.equals(r2));
r1.setBaseShapesFilled(false);
assertFalse(r1.equals(r2));
r2.setBaseShapesFilled(false);
assertTrue(r1.equals(r2));
r1.setUseOutlinePaint(true);
assertFalse(r1.equals(r2));
r2.setUseOutlinePaint(true);
assertTrue(r1.equals(r2));
r1.setUseSeriesOffset(true);
assertFalse(r1.equals(r2));
r2.setUseSeriesOffset(true);
assertTrue(r1.equals(r2));
r1.setItemMargin(0.14);
assertFalse(r1.equals(r2));
r2.setItemMargin(0.14);
assertTrue(r1.equals(r2));
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashcode() {
LineAndShapeRenderer r1 = new LineAndShapeRenderer();
LineAndShapeRenderer r2 = new LineAndShapeRenderer();
assertTrue(r1.equals(r2));
int h1 = r1.hashCode();
int h2 = r2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
LineAndShapeRenderer r1 = new LineAndShapeRenderer();
LineAndShapeRenderer r2 = null;
try {
r2 = (LineAndShapeRenderer) r1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(r1 != r2);
assertTrue(r1.getClass() == r2.getClass());
assertTrue(r1.equals(r2));
assertTrue(checkIndependence(r1, r2));
}
/**
* Checks that the two renderers are equal but independent of one another.
*
* @param r1 renderer 1.
* @param r2 renderer 2.
*
* @return A boolean.
*/
private boolean checkIndependence(LineAndShapeRenderer r1,
LineAndShapeRenderer r2) {
// should be equal...
if (!r1.equals(r2)) {
return false;
}
// and independent...
r1.setBaseLinesVisible(!r1.getBaseLinesVisible());
if (r1.equals(r2)) {
return false;
}
r2.setBaseLinesVisible(r1.getBaseLinesVisible());
if (!r1.equals(r2)) {
return false;
}
r1.setSeriesLinesVisible(1, true);
if (r1.equals(r2)) {
return false;
}
r2.setSeriesLinesVisible(1, true);
if (!r1.equals(r2)) {
return false;
}
r1.setLinesVisible(false);
if (r1.equals(r2)) {
return false;
}
r2.setLinesVisible(false);
if (!r1.equals(r2)) {
return false;
}
r1.setBaseShapesVisible(!r1.getBaseShapesVisible());
if (r1.equals(r2)) {
return false;
}
r2.setBaseShapesVisible(r1.getBaseShapesVisible());
if (!r1.equals(r2)) {
return false;
}
r1.setSeriesShapesVisible(1, true);
if (r1.equals(r2)) {
return false;
}
r2.setSeriesShapesVisible(1, true);
if (!r1.equals(r2)) {
return false;
}
r1.setShapesVisible(false);
if (r1.equals(r2)) {
return false;
}
r2.setShapesVisible(false);
if (!r1.equals(r2)) {
return false;
}
boolean flag = true;
Boolean existing = r1.getShapesFilled();
if (existing != null) {
flag = !existing.booleanValue();
}
r1.setShapesFilled(flag);
if (r1.equals(r2)) {
return false;
}
r2.setShapesFilled(flag);
if (!r1.equals(r2)) {
return false;
}
r1.setShapesFilled(false);
r2.setShapesFilled(false);
r1.setSeriesShapesFilled(0, false);
r2.setSeriesShapesFilled(0, true);
if (r1.equals(r2)) {
return false;
}
r2.setSeriesShapesFilled(0, false);
if (!r1.equals(r2)) {
return false;
}
r1.setBaseShapesFilled(false);
r2.setBaseShapesFilled(true);
if (r1.equals(r2)) {
return false;
}
r2.setBaseShapesFilled(false);
if (!r1.equals(r2)) {
return false;
}
return true;
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
LineAndShapeRenderer r1 = new LineAndShapeRenderer();
LineAndShapeRenderer 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 = (LineAndShapeRenderer) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(r1, r2);
}
/**
* A check for the datasetIndex and seriesIndex fields in the LegendItem
* returned by the getLegendItem() method.
*/
public void testGetLegendItemSeriesIndex() {
DefaultCategoryDataset dataset0 = new DefaultCategoryDataset();
dataset0.addValue(21.0, "R1", "C1");
dataset0.addValue(22.0, "R2", "C1");
DefaultCategoryDataset dataset1 = new DefaultCategoryDataset();
dataset1.addValue(23.0, "R3", "C1");
dataset1.addValue(24.0, "R4", "C1");
dataset1.addValue(25.0, "R5", "C1");
LineAndShapeRenderer r = new LineAndShapeRenderer();
CategoryPlot plot = new CategoryPlot(dataset0, new CategoryAxis("x"),
new NumberAxis("y"), r);
plot.setDataset(1, dataset1);
/*JFreeChart chart =*/ new JFreeChart(plot);
LegendItem li = r.getLegendItem(1, 2);
assertEquals("R5", li.getLabel());
assertEquals(1, li.getDatasetIndex());
assertEquals(2, li.getSeriesIndex());
}
}