/* ===========================================================
/* ===========================================================
* 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.]
*
* ------------------------------------------
* DefaultMultiValueCategoryDatasetTests.java
* ------------------------------------------
* (C) Copyright 2007, 2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 28-Sep-2007 : Version 1 (DG);
*
*/
package org.jfree.data.statistics;
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 java.util.ArrayList;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.fail;
/**
* Tests for the {@link DefaultMultiValueCategoryDataset} class.
*/
public class DefaultMultiValueCategoryDatasetTest {
/**
* Some checks for the getValue() method.
*/
@Test
public void testGetValue() {
DefaultMultiValueCategoryDataset d
= new DefaultMultiValueCategoryDataset();
List<Number> values = new ArrayList<Number>();
values.add(1);
values.add(2);
d.add(values, "R1", "C1");
assertEquals(1.5, d.getValue("R1", "C1"));
try {
d.getValue("XX", "C1");
fail("UnknownKeyException should have been thrown on an unknown key");
}
catch (UnknownKeyException e) {
assertEquals("Row key (XX) not recognised.", e.getMessage());
}
try {
d.getValue("R1", "XX");
fail("UnknownKeyException should have been thrown on an unknown key");
}
catch (UnknownKeyException e) {
assertEquals("Column key (XX) not recognised.", e.getMessage());
}
}
/**
* A simple check for the getValue(int, int) method.
*/
@Test
public void testGetValue2() {
DefaultMultiValueCategoryDataset d
= new DefaultMultiValueCategoryDataset();
try {
/* Number n =*/ d.getValue(0, 0);
fail("IndexOutOfBoundsException should have been thrown on key out of range");
}
catch (IndexOutOfBoundsException e) {
assertEquals("Index: 0, Size: 0", e.getMessage());
}
}
/**
* Some tests for the getRowCount() method.
*/
@Test
public void testGetRowCount() {
DefaultMultiValueCategoryDataset d
= new DefaultMultiValueCategoryDataset();
assertSame(d.getRowCount(), 0);
List values = new ArrayList();
d.add(values, "R1", "C1");
assertSame(d.getRowCount(), 1);
d.add(values, "R2", "C1");
assertSame(d.getRowCount(), 2);
d.add(values, "R2", "C1");
assertSame(d.getRowCount(), 2);
}
/**
* Some tests for the getColumnCount() method.
*/
@Test
public void testGetColumnCount() {
DefaultMultiValueCategoryDataset d
= new DefaultMultiValueCategoryDataset();
assertSame(d.getColumnCount(), 0);
List values = new ArrayList();
d.add(values, "R1", "C1");
assertSame(d.getColumnCount(), 1);
d.add(values, "R1", "C2");
assertSame(d.getColumnCount(), 2);
d.add(values, "R1", "C2");
assertSame(d.getColumnCount(), 2);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
@Test
public void testEquals() {
DefaultMultiValueCategoryDataset d1
= new DefaultMultiValueCategoryDataset();
DefaultMultiValueCategoryDataset d2
= new DefaultMultiValueCategoryDataset();
assertEquals(d1, d2);
assertEquals(d2, d1);
List<Number> values = new ArrayList<Number>();
d1.add(values, "R1", "C1");
assertFalse(d1.equals(d2));
d2.add(values, "R1", "C1");
assertEquals(d1, d2);
values.add(99);
d1.add(values, "R1", "C1");
assertFalse(d1.equals(d2));
d2.add(values, "R1", "C1");
assertEquals(d1, d2);
values.add(99);
d1.add(values, "R1", "C2");
assertFalse(d1.equals(d2));
d2.add(values, "R1", "C2");
assertEquals(d1, d2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
DefaultMultiValueCategoryDataset d1
= new DefaultMultiValueCategoryDataset();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(d1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
DefaultMultiValueCategoryDataset d2 = (DefaultMultiValueCategoryDataset) in.readObject();
in.close();
assertEquals(d1, d2);
}
/**
* Some checks for the add() method.
*/
@Test
public void testAddValue() {
DefaultMultiValueCategoryDataset d1
= new DefaultMultiValueCategoryDataset();
try {
d1.add(null, "R1", "C1");
fail("IllegalArgumentException should have been thrown on a null key");
}
catch (IllegalArgumentException e) {
assertEquals("Null 'values' argument.", e.getMessage());
}
List values = new ArrayList();
d1.add(values, "R2", "C1");
assertEquals(values, d1.getValues("R2", "C1"));
try {
d1.add(values, null, "C2");
fail("IllegalArgumentException should have been thrown on a null key");
}
catch (IllegalArgumentException e) {
assertEquals("Null 'rowKey' argument.", e.getMessage());
}
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
DefaultMultiValueCategoryDataset d1
= new DefaultMultiValueCategoryDataset();
DefaultMultiValueCategoryDataset d2 = (DefaultMultiValueCategoryDataset) d1.clone();
assertNotSame(d1, d2);
assertSame(d1.getClass(), d2.getClass());
assertEquals(d1, d2);
// try a dataset with some content...
List<Number> values = new ArrayList<Number>();
values.add(99);
d1.add(values, "R1", "C1");
d2 = (DefaultMultiValueCategoryDataset) d1.clone();
assertNotSame(d1, d2);
assertSame(d1.getClass(), d2.getClass());
assertEquals(d1, d2);
// check that the clone doesn't share the same underlying arrays.
List<Number> values2 = new ArrayList<Number>();
values2.add(111);
d1.add(values2, "R2", "C2");
assertFalse(d1.equals(d2));
d2.add(values2, "R2", "C2");
assertEquals(d1, d2);
}
}