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- /* ===========================================================
- * JFreeChart : a free chart library for the Java(tm) platform
- * ===========================================================
- *
- * (C) Copyright 2000-2013, 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.]
- *
- * ---------------------
- * KeyedObjectsTest.java
- * ---------------------
- * (C) Copyright 2004-2013, by Object Refinery Limited.
- *
- * Original Author: David Gilbert (for Object Refinery Limited);
- * Contributor(s): -;
- *
- * Changes
- * -------
- * 27-Jan-2004 : Version 1 (DG);
- * 28-Sep-2007 : Added testCloning2() (DG);
- * 03-Oct-2007 : New tests (DG);
- *
- */
- package org.jfree.data;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertTrue;
- import static org.junit.Assert.assertNull;
- import java.util.ArrayList;
- import org.jfree.chart.TestUtilities;
- import org.jfree.data.general.DefaultPieDataset;
- import org.junit.Test;
- /**
- * Tests for the {@link KeyedObjects} class.
- */
- public class KeyedObjectsTest {
- /**
- * Confirm that cloning works.
- */
- @Test
- public void testCloning() throws CloneNotSupportedException {
- KeyedObjects ko1 = new KeyedObjects();
- ko1.addObject("V1", new Integer(1));
- ko1.addObject("V2", null);
- ko1.addObject("V3", new Integer(3));
- KeyedObjects ko2 = (KeyedObjects) ko1.clone();
- assertTrue(ko1 != ko2);
- assertTrue(ko1.getClass() == ko2.getClass());
- assertTrue(ko1.equals(ko2));
- }
- /**
- * Confirm special features of cloning.
- */
- @Test
- public void testCloning2() throws CloneNotSupportedException {
- // case 1 - object is mutable but not PublicCloneable
- Object obj1 = new ArrayList();
- KeyedObjects ko1 = new KeyedObjects();
- ko1.addObject("K1", obj1);
- KeyedObjects ko2 = (KeyedObjects) ko1.clone();
- assertTrue(ko1 != ko2);
- assertTrue(ko1.getClass() == ko2.getClass());
- assertTrue(ko1.equals(ko2));
- // the clone contains a reference to the original object
- assertTrue(ko2.getObject("K1") == obj1);
- // CASE 2 - object is mutable AND PublicCloneable
- obj1 = new DefaultPieDataset();
- ko1 = new KeyedObjects();
- ko1.addObject("K1", obj1);
- ko2 = (KeyedObjects) ko1.clone();
- assertTrue(ko1 != ko2);
- assertTrue(ko1.getClass() == ko2.getClass());
- assertTrue(ko1.equals(ko2));
- // the clone contains a reference to a CLONE of the original object
- assertTrue(ko2.getObject("K1") != obj1);
- }
- /**
- * Check that inserting and retrieving values works as expected.
- */
- @Test
- public void testInsertAndRetrieve() {
- KeyedObjects data = new KeyedObjects();
- data.addObject("A", new Double(1.0));
- data.addObject("B", new Double(2.0));
- data.addObject("C", new Double(3.0));
- data.addObject("D", null);
- // check key order
- assertEquals(data.getKey(0), "A");
- assertEquals(data.getKey(1), "B");
- assertEquals(data.getKey(2), "C");
- assertEquals(data.getKey(3), "D");
- // check retrieve value by key
- assertEquals(data.getObject("A"), new Double(1.0));
- assertEquals(data.getObject("B"), new Double(2.0));
- assertEquals(data.getObject("C"), new Double(3.0));
- assertEquals(data.getObject("D"), null);
- boolean pass = false;
- try {
- data.getObject("Not a key");
- }
- catch (UnknownKeyException e) {
- pass = true;
- }
- assertTrue(pass);
- // check retrieve value by index
- assertEquals(data.getObject(0), new Double(1.0));
- assertEquals(data.getObject(1), new Double(2.0));
- assertEquals(data.getObject(2), new Double(3.0));
- assertEquals(data.getObject(3), null);
- }
- /**
- * Serialize an instance, restore it, and check for equality.
- */
- @Test
- public void testSerialization() {
- KeyedObjects ko1 = new KeyedObjects();
- ko1.addObject("Key 1", "Object 1");
- ko1.addObject("Key 2", null);
- ko1.addObject("Key 3", "Object 2");
- KeyedObjects ko2 = (KeyedObjects) TestUtilities.serialised(ko1);
- assertEquals(ko1, ko2);
- }
- /**
- * Simple checks for the getObject(int) method.
- */
- @Test
- public void testGetObject() {
- // retrieve an item
- KeyedObjects ko1 = new KeyedObjects();
- ko1.addObject("Key 1", "Object 1");
- ko1.addObject("Key 2", null);
- ko1.addObject("Key 3", "Object 2");
- assertEquals("Object 1", ko1.getObject(0));
- assertNull(ko1.getObject(1));
- assertEquals("Object 2", ko1.getObject(2));
- // request with a negative index
- boolean pass = false;
- try {
- ko1.getObject(-1);
- }
- catch (IndexOutOfBoundsException e) {
- pass = true;
- }
- assertTrue(pass);
- // request width index == itemCount
- pass = false;
- try {
- ko1.getObject(3);
- }
- catch (IndexOutOfBoundsException e) {
- pass = true;
- }
- assertTrue(pass);
- }
- /**
- * Simple checks for the getKey(int) method.
- */
- @Test
- public void testGetKey() {
- // retrieve an item
- KeyedObjects ko1 = new KeyedObjects();
- ko1.addObject("Key 1", "Object 1");
- ko1.addObject("Key 2", null);
- ko1.addObject("Key 3", "Object 2");
- assertEquals("Key 1", ko1.getKey(0));
- assertEquals("Key 2", ko1.getKey(1));
- assertEquals("Key 3", ko1.getKey(2));
- // request with a negative index
- boolean pass = false;
- try {
- ko1.getKey(-1);
- }
- catch (IndexOutOfBoundsException e) {
- pass = true;
- }
- assertTrue(pass);
- // request width index == itemCount
- pass = false;
- try {
- ko1.getKey(3);
- }
- catch (IndexOutOfBoundsException e) {
- pass = true;
- }
- assertTrue(pass);
- }
- /**
- * Simple checks for the getIndex(Comparable) method.
- */
- @Test
- public void testGetIndex() {
- KeyedObjects ko1 = new KeyedObjects();
- ko1.addObject("Key 1", "Object 1");
- ko1.addObject("Key 2", null);
- ko1.addObject("Key 3", "Object 2");
- assertEquals(0, ko1.getIndex("Key 1"));
- assertEquals(1, ko1.getIndex("Key 2"));
- assertEquals(2, ko1.getIndex("Key 3"));
- // check null argument
- boolean pass = false;
- try {
- ko1.getIndex(null);
- }
- catch (IllegalArgumentException e) {
- pass = true;
- }
- assertTrue(pass);
- }
- /**
- * Some checks for the setObject(Comparable, Object) method.
- */
- @Test
- public void testSetObject() {
- KeyedObjects ko1 = new KeyedObjects();
- ko1.setObject("Key 1", "Object 1");
- ko1.setObject("Key 2", null);
- ko1.setObject("Key 3", "Object 2");
- assertEquals("Object 1", ko1.getObject("Key 1"));
- assertEquals(null, ko1.getObject("Key 2"));
- assertEquals("Object 2", ko1.getObject("Key 3"));
- // replace an existing value
- ko1.setObject("Key 2", "AAA");
- ko1.setObject("Key 3", "BBB");
- assertEquals("AAA", ko1.getObject("Key 2"));
- assertEquals("BBB", ko1.getObject("Key 3"));
- // try a null key - should throw an exception
- boolean pass = false;
- try {
- ko1.setObject(null, "XX");
- }
- catch (IllegalArgumentException e) {
- pass = true;
- }
- assertTrue(pass);
- }
- /**
- * Some checks for the removeValue() methods.
- */
- @Test
- public void testRemoveValue() {
- KeyedObjects ko1 = new KeyedObjects();
- ko1.setObject("Key 1", "Object 1");
- ko1.setObject("Key 2", null);
- ko1.setObject("Key 3", "Object 2");
- ko1.removeValue(1);
- assertEquals(2, ko1.getItemCount());
- assertEquals(1, ko1.getIndex("Key 3"));
- ko1.removeValue("Key 1");
- assertEquals(1, ko1.getItemCount());
- assertEquals(0, ko1.getIndex("Key 3"));
- // try unknown key
- boolean pass = false;
- try {
- ko1.removeValue("UNKNOWN");
- }
- catch (UnknownKeyException e) {
- pass = true;
- }
- assertTrue(pass);
- // try null argument
- pass = false;
- try {
- ko1.removeValue(null);
- }
- catch (IllegalArgumentException e) {
- pass = true;
- }
- assertTrue(pass);
- }
- /**
- * Some checks for the removeValue(int) method.
- */
- @Test
- public void testRemoveValueInt() {
- KeyedObjects ko1 = new KeyedObjects();
- ko1.setObject("Key 1", "Object 1");
- ko1.setObject("Key 2", null);
- ko1.setObject("Key 3", "Object 2");
- ko1.removeValue(1);
- assertEquals(2, ko1.getItemCount());
- assertEquals(1, ko1.getIndex("Key 3"));
- // try negative key index
- boolean pass = false;
- try {
- ko1.removeValue(-1);
- }
- catch (IndexOutOfBoundsException e) {
- pass = true;
- }
- assertTrue(pass);
- // try key index == itemCount
- pass = false;
- try {
- ko1.removeValue(2);
- }
- catch (IndexOutOfBoundsException e) {
- pass = true;
- }
- assertTrue(pass);
- }
- }
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