/* ===========================================================
* 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.]
*
* ------------------------------
* DefaultKeyedValues2DTests.java
* ------------------------------
* (C) Copyright 2003-2008 by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 13-Mar-2003 : Version 1 (DG);
* 15-Sep-2004 : Updated cloning test (DG);
* 06-Oct-2005 : Added testEquals() (DG);
* 18-Jan-2007 : Added testSparsePopulation() (DG);
* 26-Feb-2007 : Added some basic tests (DG);
* 30-Mar-2007 : Added a test for bug 1690654 (DG);
* 21-Nov-2007 : Added testRemoveColumnByKey() method (DG);
*
*/
package org.jfree.data;
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.fail;
/**
* Tests for the {@link DefaultKeyedValues2D} class.
*/
public class DefaultKeyedValues2DTest {
/**
* Some checks for the getValue() method.
*/
@Test
public void testGetValue() {
DefaultKeyedValues2D d = new DefaultKeyedValues2D();
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());
}
}
/**
* Some checks for the clone() method.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
DefaultKeyedValues2D v1 = new DefaultKeyedValues2D();
v1.setValue(1, "V1", "C1");
v1.setValue(null, "V2", "C1");
v1.setValue(3, "V3", "C2");
DefaultKeyedValues2D v2 = (DefaultKeyedValues2D) v1.clone();
assertNotSame(v1, v2);
assertSame(v1.getClass(), v2.getClass());
assertEquals(v1, v2);
// check that clone is independent of the original
v2.setValue(2, "V2", "C1");
assertFalse(v1.equals(v2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
DefaultKeyedValues2D kv2D1 = new DefaultKeyedValues2D();
kv2D1.addValue(234.2, "Row1", "Col1");
kv2D1.addValue(null, "Row1", "Col2");
kv2D1.addValue(345.9, "Row2", "Col1");
kv2D1.addValue(452.7, "Row2", "Col2");
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(kv2D1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
DefaultKeyedValues2D kv2D2 = (DefaultKeyedValues2D) in.readObject();
in.close();
assertEquals(kv2D1, kv2D2);
}
/**
* Some checks for the equals() method.
*/
@Test
public void testEquals() {
DefaultKeyedValues2D d1 = new DefaultKeyedValues2D();
DefaultKeyedValues2D d2 = new DefaultKeyedValues2D();
assertEquals(d1, d2);
assertEquals(d2, d1);
d1.addValue(1.0, 2.0, "S1");
assertFalse(d1.equals(d2));
d2.addValue(1.0, 2.0, "S1");
assertEquals(d1, d2);
}
/**
* Populates a data structure with sparse entries, then checks that
* the unspecified entries return null.
*/
@Test
public void testSparsePopulation() {
DefaultKeyedValues2D d = new DefaultKeyedValues2D();
d.addValue(11, "R1", "C1");
d.addValue(22, "R2", "C2");
assertEquals(11, d.getValue("R1", "C1"));
assertNull(d.getValue("R1", "C2"));
assertEquals(22, d.getValue("R2", "C2"));
assertNull(d.getValue("R2", "C1"));
}
/**
* Some basic checks for the getRowCount() method.
*/
@Test
public void testRowCount() {
DefaultKeyedValues2D d = new DefaultKeyedValues2D();
assertEquals(0, d.getRowCount());
d.addValue(1.0, "R1", "C1");
assertEquals(1, d.getRowCount());
d.addValue(2.0, "R2", "C1");
assertEquals(2, d.getRowCount());
}
/**
* Some basic checks for the getColumnCount() method.
*/
@Test
public void testColumnCount() {
DefaultKeyedValues2D d = new DefaultKeyedValues2D();
assertEquals(0, d.getColumnCount());
d.addValue(1.0, "R1", "C1");
assertEquals(1, d.getColumnCount());
d.addValue(2.0, "R1", "C2");
assertEquals(2, d.getColumnCount());
}
private static final double EPSILON = 0.0000000001;
/**
* Some basic checks for the getValue(int, int) method.
*/
@Test
public void testGetValue2() {
DefaultKeyedValues2D d = new DefaultKeyedValues2D();
try {
d.getValue(0, 0);
fail("IndexOutOfBoundsException should have been thrown on querying empty set");
}
catch (IndexOutOfBoundsException e) {
assertEquals("Index: 0, Size: 0", e.getMessage());
}
d.addValue(1.0, "R1", "C1");
assertEquals(1.0, d.getValue(0, 0).doubleValue(), EPSILON);
d.addValue(2.0, "R2", "C2");
assertEquals(2.0, d.getValue(1, 1).doubleValue(), EPSILON);
assertNull(d.getValue(1, 0));
assertNull(d.getValue(0, 1));
try {
d.getValue(2, 0);
fail("IndexOutOfBoundsException should have been thrown on index out of range");
}
catch (IndexOutOfBoundsException e) {
assertEquals("Index: 2, Size: 2", e.getMessage());
}
}
/**
* Some basic checks for the getRowKey() method.
*/
@Test
public void testGetRowKey() {
DefaultKeyedValues2D d = new DefaultKeyedValues2D();
try {
d.getRowKey(0);
fail("IndexOutOfBoundsException should have been thrown on querying empty dataset");
}
catch (IndexOutOfBoundsException e) {
assertEquals("Index: 0, Size: 0", e.getMessage());
}
d.addValue(1.0, "R1", "C1");
d.addValue(1.0, "R2", "C1");
assertEquals("R1", d.getRowKey(0));
assertEquals("R2", d.getRowKey(1));
// check sorted rows
d = new DefaultKeyedValues2D(true);
d.addValue(1.0, "R1", "C1");
assertEquals("R1", d.getRowKey(0));
d.addValue(0.0, "R0", "C1");
assertEquals("R0", d.getRowKey(0));
assertEquals("R1", d.getRowKey(1));
}
/**
* Some basic checks for the getColumnKey() method.
*/
@Test
public void testGetColumnKey() {
DefaultKeyedValues2D d = new DefaultKeyedValues2D();
try {
d.getColumnKey(0);
fail("Should have thrown an IndexOutOfBoundsException on querying empty dataset");
}
catch (IndexOutOfBoundsException e) {
assertEquals("Index: 0, Size: 0", e.getMessage());
}
d.addValue(1.0, "R1", "C1");
d.addValue(1.0, "R1", "C2");
assertEquals("C1", d.getColumnKey(0));
assertEquals("C2", d.getColumnKey(1));
}
/**
* Some basic checks for the removeValue() method.
*/
@Test
public void testRemoveValue() {
DefaultKeyedValues2D d = new DefaultKeyedValues2D();
d.removeValue("R1", "C1");
d.addValue(1.0, "R1", "C1");
d.removeValue("R1", "C1");
assertEquals(0, d.getRowCount());
assertEquals(0, d.getColumnCount());
d.addValue(1.0, "R1", "C1");
d.addValue(2.0, "R2", "C1");
d.removeValue("R1", "C1");
assertEquals(2.0, d.getValue(0, 0));
}
/**
* A test for bug 1690654.
*/
@Test
public void testRemoveValueBug1690654() {
DefaultKeyedValues2D d = new DefaultKeyedValues2D();
d.addValue(1.0, "R1", "C1");
d.addValue(2.0, "R2", "C2");
assertEquals(2, d.getColumnCount());
assertEquals(2, d.getRowCount());
d.removeValue("R2", "C2");
assertEquals(1, d.getColumnCount());
assertEquals(1, d.getRowCount());
assertEquals(1.0, d.getValue(0, 0));
}
/**
* Some basic checks for the removeRow() method.
*/
@Test
public void testRemoveRow() {
DefaultKeyedValues2D d = new DefaultKeyedValues2D();
try {
d.removeRow(0);
fail("IndexOutOfBoundsException should have been thrown on querying emty dataset");
}
catch (IndexOutOfBoundsException e) {
assertEquals("Index: 0, Size: 0", e.getMessage());
}
}
/**
* Some basic checks for the removeColumn(Comparable) method.
*/
@Test
public void testRemoveColumnByKey() {
DefaultKeyedValues2D d = new DefaultKeyedValues2D();
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);
// check for unknown column
try {
d.removeColumn("XXX");
fail("UnknownKeyException should have been thrown on querying unknown key");
}
catch (UnknownKeyException e) {
assertEquals("Unknown key: XXX", e.getMessage());
}
}
}