/* ===========================================================
* 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.]
*
* --------------------------------
* DefaultCategoryDatasetTests.java
* --------------------------------
* (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 23-Mar-2004 : Version 1 (DG);
* 08-Mar-2007 : Added testCloning() (DG);
* 21-Nov-2007 : Added testBug1835955() method (DG);
* 09-May-2008 : Added testPublicCloneable() (DG);
*
*/
package org.jfree.data.category;
import org.jfree.chart.util.PublicCloneable;
import org.jfree.data.UnknownKeyException;
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 DefaultCategoryDataset} class.
*/
public class DefaultCategoryDatasetTest {
/**
* Some checks for the getValue() method.
*/
@Test
public void testGetValue() {
DefaultCategoryDataset d = new DefaultCategoryDataset();
d.addValue(1.0, "R1", "C1");
assertEquals(1.0, d.getValue("R1", "C1"));
try {
d.getValue("XX", "C1");
fail("UnknownKeyException should have been thrown on unknown key");
}
catch (UnknownKeyException e) {
assertEquals("Unrecognised rowKey: XX", e.getMessage());
}
try {
d.getValue("R1", "XX");
fail("UnknownKeyException should have been thrown on unknown key");
}
catch (UnknownKeyException e) {
assertEquals("Unrecognised columnKey: XX", e.getMessage());
}
}
/**
* A simple check for the getValue(int, int) method.
*/
@Test
public void testGetValue2() {
DefaultCategoryDataset d = new DefaultCategoryDataset();
try {
/* Number n =*/ d.getValue(0, 0);
fail("IndexOutOfBoundsException should have been thrown on getting key from empty set");
}
catch (IndexOutOfBoundsException e) {
assertEquals("Index: 0, Size: 0", e.getMessage());
}
}
/**
* Some checks for the incrementValue() method.
*/
@Test
public void testIncrementValue() {
DefaultCategoryDataset d = new DefaultCategoryDataset();
d.addValue(1.0, "R1", "C1");
d.incrementValue(2.0, "R1", "C1");
assertEquals(3.0, d.getValue("R1", "C1"));
// increment a null value
d.addValue(null, "R2", "C1");
d.incrementValue(2.0, "R2", "C1");
assertEquals(2.0, d.getValue("R2", "C1"));
// increment an unknown row
try {
d.incrementValue(1.0, "XX", "C1");
fail("UnknownKeyException should have been thrown on unknown row");
}
catch (UnknownKeyException e) {
assertEquals("Unrecognised rowKey: XX", e.getMessage());
}
// increment an unknown column
try {
d.incrementValue(1.0, "R1", "XX");
fail("UnknownKeyException should have been thrown on unknown row");
}
catch (UnknownKeyException e) {
assertEquals("Unrecognised columnKey: XX", e.getMessage());
}
}
/**
* Some tests for the getRowCount() method.
*/
@Test
public void testGetRowCount() {
DefaultCategoryDataset d = new DefaultCategoryDataset();
assertSame(d.getRowCount(), 0);
d.addValue(1.0, "R1", "C1");
assertSame(d.getRowCount(), 1);
d.addValue(1.0, "R2", "C1");
assertSame(d.getRowCount(), 2);
d.addValue(2.0, "R2", "C1");
assertSame(d.getRowCount(), 2);
// a row of all null values is still counted...
d.setValue(null, "R2", "C1");
assertSame(d.getRowCount(), 2);
}
/**
* Some tests for the getColumnCount() method.
*/
@Test
public void testGetColumnCount() {
DefaultCategoryDataset d = new DefaultCategoryDataset();
assertSame(d.getColumnCount(), 0);
d.addValue(1.0, "R1", "C1");
assertSame(d.getColumnCount(), 1);
d.addValue(1.0, "R1", "C2");
assertSame(d.getColumnCount(), 2);
d.addValue(2.0, "R1", "C2");
assertSame(d.getColumnCount(), 2);
// a column of all null values is still counted...
d.setValue(null, "R1", "C2");
assertSame(d.getColumnCount(), 2);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
@Test
public void testEquals() {
DefaultCategoryDataset d1 = new DefaultCategoryDataset();
d1.setValue(23.4, "R1", "C1");
DefaultCategoryDataset d2 = new DefaultCategoryDataset();
d2.setValue(23.4, "R1", "C1");
assertEquals(d1, d2);
assertEquals(d2, d1);
d1.setValue(36.5, "R1", "C2");
assertFalse(d1.equals(d2));
d2.setValue(36.5, "R1", "C2");
assertEquals(d1, d2);
d1.setValue(null, "R1", "C1");
assertFalse(d1.equals(d2));
d2.setValue(null, "R1", "C1");
assertEquals(d1, d2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
DefaultCategoryDataset d1 = new DefaultCategoryDataset();
d1.setValue(23.4, "R1", "C1");
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(d1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
DefaultCategoryDataset d2 = (DefaultCategoryDataset) in.readObject();
in.close();
assertEquals(d1, d2);
}
/**
* Some checks for the addValue() method.
*/
@Test
public void testAddValue() {
DefaultCategoryDataset d1 = new DefaultCategoryDataset();
d1.addValue(null, "R1", "C1");
assertNull(d1.getValue("R1", "C1"));
d1.addValue(new Double(1.0), "R2", "C1");
assertEquals(1.0, d1.getValue("R2", "C1"));
try {
d1.addValue(new Double(1.1), null, "C2");
fail("UnknownKeyException should have been thrown on unknown row");
}
catch (IllegalArgumentException e) {
assertEquals("Null 'key' argument.", e.getMessage());
}
}
/**
* Some basic checks for the removeValue() method.
*/
@Test
public void testRemoveValue() {
DefaultCategoryDataset d = new DefaultCategoryDataset();
d.removeValue("R1", "C1");
d.addValue(new Double(1.0), "R1", "C1");
d.removeValue("R1", "C1");
assertEquals(0, d.getRowCount());
assertEquals(0, d.getColumnCount());
d.addValue(new Double(1.0), "R1", "C1");
d.addValue(new Double(2.0), "R2", "C1");
d.removeValue("R1", "C1");
assertEquals(2.0, d.getValue(0, 0));
try {
d.removeValue(null, "C1");
fail("IllegalArgumentException should have been thrown on null key");
}
catch (IllegalArgumentException e) {
assertEquals("Null 'key' argument.", e.getMessage());
}
try {
d.removeValue("R1", null);
fail("IllegalArgumentException should have been thrown on null key");
}
catch (IllegalArgumentException e) {
assertEquals("Null 'key' argument.", e.getMessage());
}
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
DefaultCategoryDataset d1 = new DefaultCategoryDataset();
DefaultCategoryDataset d2 = (DefaultCategoryDataset) d1.clone();
assertNotSame(d1, d2);
assertSame(d1.getClass(), d2.getClass());
assertEquals(d1, d2);
// try a dataset with some content...
d1.addValue(1.0, "R1", "C1");
d1.addValue(2.0, "R1", "C2");
d2 = (DefaultCategoryDataset) d1.clone();
assertNotSame(d1, d2);
assertSame(d1.getClass(), d2.getClass());
assertEquals(d1, d2);
// check that the clone doesn't share the same underlying arrays.
d1.addValue(3.0, "R1", "C1");
assertFalse(d1.equals(d2));
d2.addValue(3.0, "R1", "C1");
assertEquals(d1, d2);
}
/**
* Check that this class implements PublicCloneable.
*/
@Test
public void testPublicCloneable() {
DefaultCategoryDataset d = new DefaultCategoryDataset();
assertTrue(d instanceof PublicCloneable);
}
private static final double EPSILON = 0.0000000001;
/**
* A test for bug 1835955.
*/
@Test
public void testBug1835955() {
DefaultCategoryDataset d = new DefaultCategoryDataset();
d.addValue(1.0, "R1", "C1");
d.addValue(2.0, "R2", "C2");
d.removeColumn("C2");
d.addValue(3.0, "R2", "C2");
assertEquals(3.0, d.getValue("R2", "C2").doubleValue(), EPSILON);
}
/**
* Some checks for the removeColumn(Comparable) method.
*/
@Test
public void testRemoveColumn() {
DefaultCategoryDataset d = new DefaultCategoryDataset();
d.addValue(1.0, "R1", "C1");
d.addValue(2.0, "R2", "C2");
assertEquals(2, d.getColumnCount());
d.removeColumn("C2");
assertEquals(1, d.getColumnCount());
try {
d.removeColumn("XXX");
fail("UnknownKeyException should have been thrown on unknown key");
}
catch (UnknownKeyException e) {
assertEquals("Unknown key: XXX", e.getMessage());
}
try {
d.removeColumn(null);
fail("IllegalArgumentException should have been thrown on null key");
}
catch (IllegalArgumentException e) {
assertEquals("Null 'columnKey' argument.", e.getMessage());
}
}
/**
* Some checks for the removeRow(Comparable) method.
*/
@Test
public void testRemoveRow() {
DefaultCategoryDataset d = new DefaultCategoryDataset();
d.addValue(1.0, "R1", "C1");
d.addValue(2.0, "R2", "C2");
assertEquals(2, d.getRowCount());
d.removeRow("R2");
assertEquals(1, d.getRowCount());
try {
d.removeRow("XXX");
fail("UnknownKeyException should have been thrown on unknown key");
}
catch (UnknownKeyException e) {
assertEquals("Unknown key: XXX", e.getMessage());
}
try {
d.removeRow(null);
fail("IllegalArgumentException should have been thrown on null key");
}
catch (IllegalArgumentException e) {
assertEquals("Null 'rowKey' argument.", e.getMessage());
}
}
}