Source Code Cross Referenced for GanttChartTests.java in  » Chart » jfreechart » org » jfree » chart » junit » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Chart » jfreechart » org.jfree.chart.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:         * GanttChartTests.java
029:         * --------------------
030:         * (C) Copyright 2005-2007, by Object Refinery Limited.
031:         *
032:         * Original Author:  David Gilbert (for Object Refinery Limited);
033:         * Contributor(s):   -;
034:         *
035:         * $Id: GanttChartTests.java,v 1.1.2.2 2007/03/02 11:16:20 mungady Exp $
036:         *
037:         * Changes:
038:         * --------
039:         * 12-Apr-2005 : Version 1 (DG);
040:         *
041:         */
042:
043:        package org.jfree.chart.junit;
044:
045:        import java.awt.Graphics2D;
046:        import java.awt.geom.Rectangle2D;
047:        import java.awt.image.BufferedImage;
048:        import java.util.Calendar;
049:        import java.util.Date;
050:
051:        import junit.framework.Test;
052:        import junit.framework.TestCase;
053:        import junit.framework.TestSuite;
054:
055:        import org.jfree.chart.ChartFactory;
056:        import org.jfree.chart.JFreeChart;
057:        import org.jfree.chart.event.ChartChangeEvent;
058:        import org.jfree.chart.event.ChartChangeListener;
059:        import org.jfree.chart.labels.CategoryToolTipGenerator;
060:        import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
061:        import org.jfree.chart.plot.CategoryPlot;
062:        import org.jfree.chart.renderer.category.CategoryItemRenderer;
063:        import org.jfree.chart.urls.CategoryURLGenerator;
064:        import org.jfree.chart.urls.StandardCategoryURLGenerator;
065:        import org.jfree.data.category.IntervalCategoryDataset;
066:        import org.jfree.data.gantt.Task;
067:        import org.jfree.data.gantt.TaskSeries;
068:        import org.jfree.data.gantt.TaskSeriesCollection;
069:        import org.jfree.data.time.SimpleTimePeriod;
070:
071:        /**
072:         * Some tests for a Gantt chart.
073:         */
074:        public class GanttChartTests extends TestCase {
075:
076:            /** A chart. */
077:            private JFreeChart chart;
078:
079:            /**
080:             * Returns the tests as a test suite.
081:             *
082:             * @return The test suite.
083:             */
084:            public static Test suite() {
085:                return new TestSuite(GanttChartTests.class);
086:            }
087:
088:            /**
089:             * Constructs a new set of tests.
090:             *
091:             * @param name  the name of the tests.
092:             */
093:            public GanttChartTests(String name) {
094:                super (name);
095:            }
096:
097:            /**
098:             * Common test setup.
099:             */
100:            protected void setUp() {
101:                this .chart = createGanttChart();
102:            }
103:
104:            /**
105:             * Draws the chart with a <code>null</code> info object to make sure that 
106:             * no exceptions are thrown (a problem that was occurring at one point).
107:             */
108:            public void testDrawWithNullInfo() {
109:                boolean success = false;
110:                try {
111:                    BufferedImage image = new BufferedImage(200, 100,
112:                            BufferedImage.TYPE_INT_RGB);
113:                    Graphics2D g2 = image.createGraphics();
114:                    this .chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100),
115:                            null, null);
116:                    g2.dispose();
117:                    success = true;
118:                } catch (Exception e) {
119:                    success = false;
120:                }
121:                assertTrue(success);
122:            }
123:
124:            /**
125:             * Draws the chart with a <code>null</code> info object to make sure that 
126:             * no exceptions are thrown (a problem that was occurring at one point).
127:             */
128:            public void testDrawWithNullInfo2() {
129:                boolean success = false;
130:                try {
131:                    JFreeChart chart = createGanttChart();
132:                    CategoryPlot plot = (CategoryPlot) chart.getPlot();
133:                    plot.setDataset(createDataset());
134:                    /* BufferedImage img =*/chart.createBufferedImage(300,
135:                            200, null);
136:                    success = true;
137:                } catch (NullPointerException e) {
138:                    success = false;
139:                }
140:                assertTrue(success);
141:            }
142:
143:            /**
144:             * Replaces the chart's dataset and then checks that the new dataset is OK.
145:             */
146:            public void testReplaceDataset() {
147:                LocalListener l = new LocalListener();
148:                this .chart.addChangeListener(l);
149:                CategoryPlot plot = (CategoryPlot) this .chart.getPlot();
150:                plot.setDataset(null);
151:                assertEquals(true, l.flag);
152:            }
153:
154:            /**
155:             * Check that setting a tool tip generator for a series does override the
156:             * default generator.
157:             */
158:            public void testSetSeriesToolTipGenerator() {
159:                CategoryPlot plot = (CategoryPlot) this .chart.getPlot();
160:                CategoryItemRenderer renderer = plot.getRenderer();
161:                StandardCategoryToolTipGenerator tt = new StandardCategoryToolTipGenerator();
162:                renderer.setSeriesToolTipGenerator(0, tt);
163:                CategoryToolTipGenerator tt2 = renderer.getToolTipGenerator(0,
164:                        0);
165:                assertTrue(tt2 == tt);
166:            }
167:
168:            /**
169:             * Check that setting a URL generator for a series does override the
170:             * default generator.
171:             */
172:            public void testSetSeriesURLGenerator() {
173:                CategoryPlot plot = (CategoryPlot) this .chart.getPlot();
174:                CategoryItemRenderer renderer = plot.getRenderer();
175:                StandardCategoryURLGenerator url1 = new StandardCategoryURLGenerator();
176:                renderer.setSeriesItemURLGenerator(0, url1);
177:                CategoryURLGenerator url2 = renderer.getItemURLGenerator(0, 0);
178:                assertTrue(url2 == url1);
179:            }
180:
181:            /**
182:             * Create a Gantt chart.
183:             *
184:             * @return The chart.
185:             */
186:            private static JFreeChart createGanttChart() {
187:
188:                // create the chart...
189:                return ChartFactory.createGanttChart("Gantt Chart", "Domain",
190:                        "Range", null, true, // include legend
191:                        true, true);
192:
193:            }
194:
195:            /**
196:             * Creates a sample dataset for a Gantt chart.
197:             *
198:             * @return The dataset.
199:             */
200:            public static IntervalCategoryDataset createDataset() {
201:
202:                TaskSeries s1 = new TaskSeries("Scheduled");
203:                s1.add(new Task("Write Proposal", new SimpleTimePeriod(date(1,
204:                        Calendar.APRIL, 2001), date(5, Calendar.APRIL, 2001))));
205:                s1.add(new Task("Obtain Approval", new SimpleTimePeriod(date(9,
206:                        Calendar.APRIL, 2001), date(9, Calendar.APRIL, 2001))));
207:                s1.add(new Task("Requirements Analysis", new SimpleTimePeriod(
208:                        date(10, Calendar.APRIL, 2001), date(5, Calendar.MAY,
209:                                2001))));
210:                s1.add(new Task("Design Phase", new SimpleTimePeriod(date(6,
211:                        Calendar.MAY, 2001), date(30, Calendar.MAY, 2001))));
212:                s1.add(new Task("Design Signoff", new SimpleTimePeriod(date(2,
213:                        Calendar.JUNE, 2001), date(2, Calendar.JUNE, 2001))));
214:                s1.add(new Task("Alpha Implementation", new SimpleTimePeriod(
215:                        date(3, Calendar.JUNE, 2001), date(31, Calendar.JULY,
216:                                2001))));
217:                s1
218:                        .add(new Task("Design Review", new SimpleTimePeriod(
219:                                date(1, Calendar.AUGUST, 2001), date(8,
220:                                        Calendar.AUGUST, 2001))));
221:                s1.add(new Task("Revised Design Signoff", new SimpleTimePeriod(
222:                        date(10, Calendar.AUGUST, 2001), date(10,
223:                                Calendar.AUGUST, 2001))));
224:                s1.add(new Task("Beta Implementation", new SimpleTimePeriod(
225:                        date(12, Calendar.AUGUST, 2001), date(12,
226:                                Calendar.SEPTEMBER, 2001))));
227:                s1.add(new Task("Testing", new SimpleTimePeriod(date(13,
228:                        Calendar.SEPTEMBER, 2001), date(31, Calendar.OCTOBER,
229:                        2001))));
230:                s1.add(new Task("Final Implementation", new SimpleTimePeriod(
231:                        date(1, Calendar.NOVEMBER, 2001), date(15,
232:                                Calendar.NOVEMBER, 2001))));
233:                s1.add(new Task("Signoff", new SimpleTimePeriod(date(28,
234:                        Calendar.NOVEMBER, 2001), date(30, Calendar.NOVEMBER,
235:                        2001))));
236:
237:                TaskSeries s2 = new TaskSeries("Actual");
238:                s2.add(new Task("Write Proposal", new SimpleTimePeriod(date(1,
239:                        Calendar.APRIL, 2001), date(5, Calendar.APRIL, 2001))));
240:                s2.add(new Task("Obtain Approval", new SimpleTimePeriod(date(9,
241:                        Calendar.APRIL, 2001), date(9, Calendar.APRIL, 2001))));
242:                s2.add(new Task("Requirements Analysis", new SimpleTimePeriod(
243:                        date(10, Calendar.APRIL, 2001), date(15, Calendar.MAY,
244:                                2001))));
245:                s2.add(new Task("Design Phase", new SimpleTimePeriod(date(15,
246:                        Calendar.MAY, 2001), date(17, Calendar.JUNE, 2001))));
247:                s2.add(new Task("Design Signoff", new SimpleTimePeriod(date(30,
248:                        Calendar.JUNE, 2001), date(30, Calendar.JUNE, 2001))));
249:                s2.add(new Task("Alpha Implementation", new SimpleTimePeriod(
250:                        date(1, Calendar.JULY, 2001), date(12,
251:                                Calendar.SEPTEMBER, 2001))));
252:                s2.add(new Task("Design Review", new SimpleTimePeriod(date(12,
253:                        Calendar.SEPTEMBER, 2001), date(22, Calendar.SEPTEMBER,
254:                        2001))));
255:                s2.add(new Task("Revised Design Signoff", new SimpleTimePeriod(
256:                        date(25, Calendar.SEPTEMBER, 2001), date(27,
257:                                Calendar.SEPTEMBER, 2001))));
258:                s2.add(new Task("Beta Implementation", new SimpleTimePeriod(
259:                        date(27, Calendar.SEPTEMBER, 2001), date(30,
260:                                Calendar.OCTOBER, 2001))));
261:                s2.add(new Task("Testing", new SimpleTimePeriod(date(31,
262:                        Calendar.OCTOBER, 2001), date(17, Calendar.NOVEMBER,
263:                        2001))));
264:                s2.add(new Task("Final Implementation", new SimpleTimePeriod(
265:                        date(18, Calendar.NOVEMBER, 2001), date(5,
266:                                Calendar.DECEMBER, 2001))));
267:                s2.add(new Task("Signoff", new SimpleTimePeriod(date(10,
268:                        Calendar.DECEMBER, 2001), date(11, Calendar.DECEMBER,
269:                        2001))));
270:
271:                TaskSeriesCollection collection = new TaskSeriesCollection();
272:                collection.add(s1);
273:                collection.add(s2);
274:
275:                return collection;
276:            }
277:
278:            /**
279:             * Utility method for creating <code>Date</code> objects.
280:             *
281:             * @param day  the date.
282:             * @param month  the month.
283:             * @param year  the year.
284:             *
285:             * @return a date.
286:             */
287:            private static Date date(int day, int month, int year) {
288:
289:                Calendar calendar = Calendar.getInstance();
290:                calendar.set(year, month, day);
291:                Date result = calendar.getTime();
292:                return result;
293:
294:            }
295:
296:            /**
297:             * A chart change listener.
298:             *
299:             */
300:            static class LocalListener implements  ChartChangeListener {
301:
302:                /** A flag. */
303:                private boolean flag = false;
304:
305:                /**
306:                 * Event handler.
307:                 *
308:                 * @param event  the event.
309:                 */
310:                public void chartChanged(ChartChangeEvent event) {
311:                    this .flag = true;
312:                }
313:
314:            }
315:
316:        }
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