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Java Source Code / Java Documentation » Chart » jfreechart » org.jfree.data.junit 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* ===========================================================
002:         * JFreeChart : a free chart library for the Java(tm) platform
003:         * ===========================================================
004:         *
005:         * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
006:         *
007:         * Project Info:  http://www.jfree.org/jfreechart/index.html
008:         *
009:         * This library is free software; you can redistribute it and/or modify it 
010:         * under the terms of the GNU Lesser General Public License as published by 
011:         * the Free Software Foundation; either version 2.1 of the License, or 
012:         * (at your option) any later version.
013:         *
014:         * This library is distributed in the hope that it will be useful, but 
015:         * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
016:         * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
017:         * License for more details.
018:         *
019:         * You should have received a copy of the GNU Lesser General Public
020:         * License along with this library; if not, write to the Free Software
021:         * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
022:         * USA.  
023:         *
024:         * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
025:         * in the United States and other countries.]
026:         *
027:         * ------------------------------
028:         * DefaultKeyedValues2DTests.java
029:         * ------------------------------
030:         * (C) Copyright 2003-2007 by Object Refinery Limited and Contributors.
031:         *
032:         * Original Author:  David Gilbert (for Object Refinery Limited);
033:         * Contributor(s):   -;
034:         *
035:         * $Id: DefaultKeyedValues2DTests.java,v 1.1.2.4 2007/03/30 09:53:10 mungady Exp $
036:         *
037:         * Changes
038:         * -------
039:         * 13-Mar-2003 : Version 1 (DG);
040:         * 15-Sep-2004 : Updated cloning test (DG);
041:         * 06-Oct-2005 : Added testEquals() (DG);
042:         * 18-Jan-2007 : Added testSparsePopulation() (DG);
043:         * 26-Feb-2007 : Added some basic tests (DG);
044:         * 30-Mar-2007 : Added a test for bug 1690654 (DG);
045:         *
046:         */
047:
048:        package org.jfree.data.junit;
049:
050:        import java.io.ByteArrayInputStream;
051:        import java.io.ByteArrayOutputStream;
052:        import java.io.ObjectInput;
053:        import java.io.ObjectInputStream;
054:        import java.io.ObjectOutput;
055:        import java.io.ObjectOutputStream;
056:
057:        import junit.framework.Test;
058:        import junit.framework.TestCase;
059:        import junit.framework.TestSuite;
060:
061:        import org.jfree.data.DefaultKeyedValues2D;
062:        import org.jfree.data.UnknownKeyException;
063:
064:        /**
065:         * Tests for the {@link DefaultKeyedValues2D} class.
066:         */
067:        public class DefaultKeyedValues2DTests extends TestCase {
068:
069:            /**
070:             * Returns the tests as a test suite.
071:             *
072:             * @return The test suite.
073:             */
074:            public static Test suite() {
075:                return new TestSuite(DefaultKeyedValues2DTests.class);
076:            }
077:
078:            /**
079:             * Constructs a new set of tests.
080:             *
081:             * @param name  the name of the tests.
082:             */
083:            public DefaultKeyedValues2DTests(String name) {
084:                super (name);
085:            }
086:
087:            /**
088:             * Some checks for the getValue() method.
089:             */
090:            public void testGetValue() {
091:                DefaultKeyedValues2D d = new DefaultKeyedValues2D();
092:                d.addValue(new Double(1.0), "R1", "C1");
093:                assertEquals(new Double(1.0), d.getValue("R1", "C1"));
094:                boolean pass = false;
095:                try {
096:                    d.getValue("XX", "C1");
097:                } catch (UnknownKeyException e) {
098:                    pass = true;
099:                }
100:                assertTrue(pass);
101:
102:                pass = false;
103:                try {
104:                    d.getValue("R1", "XX");
105:                } catch (UnknownKeyException e) {
106:                    pass = true;
107:                }
108:                assertTrue(pass);
109:            }
110:
111:            /**
112:             * Some checks for the clone() method.
113:             */
114:            public void testCloning() {
115:                DefaultKeyedValues2D v1 = new DefaultKeyedValues2D();
116:                v1.setValue(new Integer(1), "V1", "C1");
117:                v1.setValue(null, "V2", "C1");
118:                v1.setValue(new Integer(3), "V3", "C2");
119:                DefaultKeyedValues2D v2 = null;
120:                try {
121:                    v2 = (DefaultKeyedValues2D) v1.clone();
122:                } catch (CloneNotSupportedException e) {
123:                    e.printStackTrace();
124:                }
125:                assertTrue(v1 != v2);
126:                assertTrue(v1.getClass() == v2.getClass());
127:                assertTrue(v1.equals(v2));
128:
129:                // check that clone is independent of the original
130:                v2.setValue(new Integer(2), "V2", "C1");
131:                assertFalse(v1.equals(v2));
132:            }
133:
134:            /**
135:             * Serialize an instance, restore it, and check for equality.
136:             */
137:            public void testSerialization() {
138:
139:                DefaultKeyedValues2D kv2D1 = new DefaultKeyedValues2D();
140:                kv2D1.addValue(new Double(234.2), "Row1", "Col1");
141:                kv2D1.addValue(null, "Row1", "Col2");
142:                kv2D1.addValue(new Double(345.9), "Row2", "Col1");
143:                kv2D1.addValue(new Double(452.7), "Row2", "Col2");
144:
145:                DefaultKeyedValues2D kv2D2 = null;
146:
147:                try {
148:                    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
149:                    ObjectOutput out = new ObjectOutputStream(buffer);
150:                    out.writeObject(kv2D1);
151:                    out.close();
152:
153:                    ObjectInput in = new ObjectInputStream(
154:                            new ByteArrayInputStream(buffer.toByteArray()));
155:                    kv2D2 = (DefaultKeyedValues2D) in.readObject();
156:                    in.close();
157:                } catch (Exception e) {
158:                    e.printStackTrace();
159:                }
160:                assertEquals(kv2D1, kv2D2);
161:
162:            }
163:
164:            /**
165:             * Some checks for the equals() method.
166:             */
167:            public void testEquals() {
168:                DefaultKeyedValues2D d1 = new DefaultKeyedValues2D();
169:                DefaultKeyedValues2D d2 = new DefaultKeyedValues2D();
170:                assertTrue(d1.equals(d2));
171:                assertTrue(d2.equals(d1));
172:
173:                d1.addValue(new Double(1.0), new Double(2.0), "S1");
174:                assertFalse(d1.equals(d2));
175:                d2.addValue(new Double(1.0), new Double(2.0), "S1");
176:                assertTrue(d1.equals(d2));
177:            }
178:
179:            /**
180:             * Populates a data structure with sparse entries, then checks that
181:             * the unspecified entries return null.
182:             */
183:            public void testSparsePopulation() {
184:                DefaultKeyedValues2D d = new DefaultKeyedValues2D();
185:                d.addValue(new Integer(11), "R1", "C1");
186:                d.addValue(new Integer(22), "R2", "C2");
187:
188:                assertEquals(new Integer(11), d.getValue("R1", "C1"));
189:                assertNull(d.getValue("R1", "C2"));
190:                assertEquals(new Integer(22), d.getValue("R2", "C2"));
191:                assertNull(d.getValue("R2", "C1"));
192:            }
193:
194:            /**
195:             * Some basic checks for the getRowCount() method.
196:             */
197:            public void testRowCount() {
198:                DefaultKeyedValues2D d = new DefaultKeyedValues2D();
199:                assertEquals(0, d.getRowCount());
200:                d.addValue(new Double(1.0), "R1", "C1");
201:                assertEquals(1, d.getRowCount());
202:                d.addValue(new Double(2.0), "R2", "C1");
203:                assertEquals(2, d.getRowCount());
204:            }
205:
206:            /**
207:             * Some basic checks for the getColumnCount() method.
208:             */
209:            public void testColumnCount() {
210:                DefaultKeyedValues2D d = new DefaultKeyedValues2D();
211:                assertEquals(0, d.getColumnCount());
212:                d.addValue(new Double(1.0), "R1", "C1");
213:                assertEquals(1, d.getColumnCount());
214:                d.addValue(new Double(2.0), "R1", "C2");
215:                assertEquals(2, d.getColumnCount());
216:            }
217:
218:            private static final double EPSILON = 0.0000000001;
219:
220:            /**
221:             * Some basic checks for the getValue(int, int) method.
222:             */
223:            public void testGetValue2() {
224:                DefaultKeyedValues2D d = new DefaultKeyedValues2D();
225:                boolean pass = false;
226:                try {
227:                    d.getValue(0, 0);
228:                } catch (IndexOutOfBoundsException e) {
229:                    pass = true;
230:                }
231:                assertTrue(pass);
232:                d.addValue(new Double(1.0), "R1", "C1");
233:                assertEquals(1.0, d.getValue(0, 0).doubleValue(), EPSILON);
234:                d.addValue(new Double(2.0), "R2", "C2");
235:                assertEquals(2.0, d.getValue(1, 1).doubleValue(), EPSILON);
236:                assertNull(d.getValue(1, 0));
237:                assertNull(d.getValue(0, 1));
238:
239:                pass = false;
240:                try {
241:                    d.getValue(2, 0);
242:                } catch (IndexOutOfBoundsException e) {
243:                    pass = true;
244:                }
245:                assertTrue(pass);
246:            }
247:
248:            /**
249:             * Some basic checks for the getRowKey() method.
250:             */
251:            public void testGetRowKey() {
252:                DefaultKeyedValues2D d = new DefaultKeyedValues2D();
253:                boolean pass = false;
254:                try {
255:                    d.getRowKey(0);
256:                } catch (IndexOutOfBoundsException e) {
257:                    pass = true;
258:                }
259:                assertTrue(pass);
260:                d.addValue(new Double(1.0), "R1", "C1");
261:                d.addValue(new Double(1.0), "R2", "C1");
262:                assertEquals("R1", d.getRowKey(0));
263:                assertEquals("R2", d.getRowKey(1));
264:
265:                // check sorted rows
266:                d = new DefaultKeyedValues2D(true);
267:                d.addValue(new Double(1.0), "R1", "C1");
268:                assertEquals("R1", d.getRowKey(0));
269:                d.addValue(new Double(0.0), "R0", "C1");
270:                assertEquals("R0", d.getRowKey(0));
271:                assertEquals("R1", d.getRowKey(1));
272:            }
273:
274:            /**
275:             * Some basic checks for the getColumnKey() method.
276:             */
277:            public void testGetColumnKey() {
278:                DefaultKeyedValues2D d = new DefaultKeyedValues2D();
279:                boolean pass = false;
280:                try {
281:                    d.getColumnKey(0);
282:                } catch (IndexOutOfBoundsException e) {
283:                    pass = true;
284:                }
285:                assertTrue(pass);
286:                d.addValue(new Double(1.0), "R1", "C1");
287:                d.addValue(new Double(1.0), "R1", "C2");
288:                assertEquals("C1", d.getColumnKey(0));
289:                assertEquals("C2", d.getColumnKey(1));
290:            }
291:
292:            /**
293:             * Some basic checks for the removeValue() method.
294:             */
295:            public void testRemoveValue() {
296:                DefaultKeyedValues2D d = new DefaultKeyedValues2D();
297:                d.removeValue("R1", "C1");
298:                d.addValue(new Double(1.0), "R1", "C1");
299:                d.removeValue("R1", "C1");
300:                assertEquals(0, d.getRowCount());
301:                assertEquals(0, d.getColumnCount());
302:
303:                d.addValue(new Double(1.0), "R1", "C1");
304:                d.addValue(new Double(2.0), "R2", "C1");
305:                d.removeValue("R1", "C1");
306:                assertEquals(new Double(2.0), d.getValue(0, 0));
307:            }
308:
309:            /**
310:             * A test for bug 1690654.
311:             */
312:            public void testRemoveValueBug1690654() {
313:                DefaultKeyedValues2D d = new DefaultKeyedValues2D();
314:                d.addValue(new Double(1.0), "R1", "C1");
315:                d.addValue(new Double(2.0), "R2", "C2");
316:                assertEquals(2, d.getColumnCount());
317:                assertEquals(2, d.getRowCount());
318:                d.removeValue("R2", "C2");
319:                assertEquals(1, d.getColumnCount());
320:                assertEquals(1, d.getRowCount());
321:                assertEquals(new Double(1.0), d.getValue(0, 0));
322:            }
323:
324:            /**
325:             * Some basic checks for the removeRow() method.
326:             */
327:            public void testRemoveRow() {
328:                DefaultKeyedValues2D d = new DefaultKeyedValues2D();
329:                boolean pass = false;
330:                try {
331:                    d.removeRow(0);
332:                } catch (IndexOutOfBoundsException e) {
333:                    pass = true;
334:                }
335:                assertTrue(pass);
336:            }
337:
338:        }
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