Clean Code

Listing B-2 (continued)
SerialDateTest.java

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368
Appendix B: 
org.jfree.date.SerialDate
125 */
126 public void testMondayPrecedingFriday9Nov2001() {
127 SerialDate mondayBefore = SerialDate.getPreviousDayOfWeek(
128 SerialDate.MONDAY, this.nov9Y2001
129 );
130 assertEquals(5, mondayBefore.getDayOfMonth());
131 }
132 
133 /**
134 * Monday following Friday 9 November 2001 should be 12 November.
135 */
136 public void testMondayFollowingFriday9Nov2001() {
137 SerialDate mondayAfter = SerialDate.getFollowingDayOfWeek(
138 SerialDate.MONDAY, this.nov9Y2001
139 );
140 assertEquals(12, mondayAfter.getDayOfMonth());
141 }
142 
143 /**
144 * Monday nearest Friday 9 November 2001 should be 12 November.
145 */
146 public void testMondayNearestFriday9Nov2001() {
147 SerialDate mondayNearest = SerialDate.getNearestDayOfWeek(
148 SerialDate.MONDAY, this.nov9Y2001
149 );
150 assertEquals(12, mondayNearest.getDayOfMonth());
151 }
152 
153 /**
154 * The Monday nearest to 22nd January 1970 falls on the 19th.
155 */
156 public void testMondayNearest22Jan1970() {
157 SerialDate jan22Y1970 = SerialDate.createInstance(22, MonthConstants.JANUARY, 1970);
158 SerialDate mondayNearest=SerialDate.getNearestDayOfWeek(SerialDate.MONDAY, jan22Y1970);
159 assertEquals(19, mondayNearest.getDayOfMonth());
160 }
161 
162 /**
163 * Problem that the conversion of days to strings returns the right result. Actually, this 
164 * result depends on the Locale so this test needs to be modified.
165 */
166 public void testWeekdayCodeToString() {
167 
168 final String test = SerialDate.weekdayCodeToString(SerialDate.SATURDAY);
169 assertEquals("Saturday", test);
170 
171 }
172 
173 /**
174 * Test the conversion of a string to a weekday. Note that this test will fail if the 
175 * default locale doesn't use English weekday names...devise a better test!
176 */
177 public void testStringToWeekday() {
178 
179 int weekday = SerialDate.stringToWeekdayCode("Wednesday");
180 assertEquals(SerialDate.WEDNESDAY, weekday);
181 
182 weekday = SerialDate.stringToWeekdayCode(" Wednesday ");
183 assertEquals(SerialDate.WEDNESDAY, weekday);
184