Clean Code

Listing B-4 (continued)
BobsSerialDateTest.java

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381
Appendix B: 
org.jfree.date.SerialDate
436 public void testCreateInstanceFromDDMMYYY() throws Exception {
437 SerialDate date = createInstance(1, JANUARY, 1900);
438 assertEquals(1,date.getDayOfMonth());
439 assertEquals(JANUARY,date.getMonth());
440 assertEquals(1900,date.getYYYY());
441 assertEquals(2,date.toSerial());
442 }
443 
444 public void testCreateInstanceFromSerial() throws Exception {
445 assertEquals(d(1, JANUARY, 1900),createInstance(2));
446 assertEquals(d(1, JANUARY, 1901), createInstance(367));
447 }
448 
449 public void testCreateInstanceFromJavaDate() throws Exception {
450 assertEquals(d(1, JANUARY, 1900), 
createInstance(new GregorianCalendar(1900,0,1).getTime()));
451 assertEquals(d(1, JANUARY, 2006), 
createInstance(new GregorianCalendar(2006,0,1).getTime()));
452 }
453 
454 public static void main(String[] args) {
455 junit.textui.TestRunner.run(BobsSerialDateTest.class);
456 }
457 }
Listing B-4 (continued)
BobsSerialDateTest.java

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382
Appendix B: 
org.jfree.date.SerialDate
Listing B-5 
SpreadsheetDate.java
1 /* ========================================================================
2 * JCommon : a free general purpose class library for the Java(tm) platform
3 * ========================================================================
4 *
5 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
6 *
7 * Project Info: http://www.jfree.org/jcommon/index.html
8 *
9 * This library is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17 * License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22 * USA.
23 *
24 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25 * in the United States and other countries.]
26 *
27 * --------------------
28 * SpreadsheetDate.java
29 * --------------------
30 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
31 *
32 * Original Author: David Gilbert (for Object Refinery Limited);
33 * Contributor(s): -;
34 *
35 * $Id: SpreadsheetDate.java,v 1.8 2005/11/03 09:25:39 mungady Exp $
36 *
37 * Changes
38 * -------
39 * 11-Oct-2001 : Version 1 (DG);
40 * 05-Nov-2001 : Added getDescription() and setDescription() methods (DG);
41 * 12-Nov-2001 : Changed name from ExcelDate.java to SpreadsheetDate.java (DG);
42 * Fixed a bug in calculating day, month and year from serial
43 * number (DG);
44 * 24-Jan-2002 : Fixed a bug in calculating the serial number from the day,
45 * month and year. Thanks to Trevor Hills for the report (DG);
46 * 29-May-2002 : Added equals(Object) method (SourceForge ID 558850) (DG);
47 * 03-Oct-2002 : Fixed errors reported by Checkstyle (DG);
48 * 13-Mar-2003 : Implemented Serializable (DG);
49 * 04-Sep-2003 : Completed isInRange() methods (DG);
50 * 05-Sep-2003 : Implemented Comparable (DG);
51 * 21-Oct-2003 : Added hashCode() method (DG);
52 *
53 */
54 
55 package org.jfree.date;
56 
57 import java.util.Calendar;
58 import java.util.Date;
59 
60 /**
61 * Represents a date using an integer, in a similar fashion to the
62 * implementation in Microsoft Excel. The range of dates supported is

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383