Clean Code

Listing B-2 (continued)
SerialDateTest.java

---

371
Appendix B: 
org.jfree.date.SerialDate
307 SerialDate d2 = SerialDate.addMonths(1, d1);
308 assertEquals(30, d2.getDayOfMonth());
309 assertEquals(6, d2.getMonth());
310 assertEquals(2004, d2.getYYYY());
311
312 SerialDate d3 = SerialDate.addMonths(2, d1);
313 assertEquals(31, d3.getDayOfMonth());
314 assertEquals(7, d3.getMonth());
315 assertEquals(2004, d3.getYYYY());
316
317 SerialDate d4 = SerialDate.addMonths(1, SerialDate.addMonths(1, d1));
318 assertEquals(30, d4.getDayOfMonth());
319 assertEquals(7, d4.getMonth());
320 assertEquals(2004, d4.getYYYY());
321 }
322 }
Listing B-2 (continued)
SerialDateTest.java

---

372
Appendix B: 
org.jfree.date.SerialDate
Listing B-3 
MonthConstants.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 * MonthConstants.java
29 * -------------------
30 * (C) Copyright 2002, 2003, by Object Refinery Limited.
31 *
32 * Original Author: David Gilbert (for Object Refinery Limited);
33 * Contributor(s): -;
34 *
35 * $Id: MonthConstants.java,v 1.4 2005/11/16 15:58:40 taqua Exp $
36 *
37 * Changes
38 * -------
39 * 29-May-2002 : Version 1 (code moved from SerialDate class) (DG);
40 *
41 */
42 
43 package org.jfree.date;
44 
45 /**
46 * Useful constants for months. Note that these are NOT equivalent to the
47 * constants defined by java.util.Calendar (where JANUARY=0 and DECEMBER=11).
48 *
49 * Used by the SerialDate and RegularTimePeriod classes.
50 *
51 * @author David Gilbert
52 */
53 public interface MonthConstants {
54 
55 /** Constant for January. */
56 public static final int JANUARY = 1;
57 
58 /** Constant for February. */
59 public static final int FEBRUARY = 2;
60 

---

373