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1 /*
2  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 /*
25  * This file is available under and governed by the GNU General Public
26  * License version 2 only, as published by the Free Software Foundation.
27  * However, the following notice accompanied the original version of this
28  * file:
29  *
30  * Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
31  *
32  * All rights reserved.
33  *
34  * Redistribution and use in source and binary forms, with or without
35  * modification, are permitted provided that the following conditions are met:
36  *
37  *  * Redistributions of source code must retain the above copyright notice,
38  *    this list of conditions and the following disclaimer.
39  *
40  *  * Redistributions in binary form must reproduce the above copyright notice,
41  *    this list of conditions and the following disclaimer in the documentation
42  *    and/or other materials provided with the distribution.
43  *
44  *  * Neither the name of JSR-310 nor the names of its contributors
45  *    may be used to endorse or promote products derived from this software
46  *    without specific prior written permission.
47  *
48  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
49  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
50  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
51  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
52  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
53  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
54  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
55  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
56  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
57  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
58  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
59  */
60 package tck.java.time;
61 
62 import static java.time.temporal.ChronoField.MONTH_OF_YEAR;
63 import static org.testng.Assert.assertEquals;
64 
65 import java.time.DateTimeException;
66 import java.time.LocalDate;
67 import java.time.LocalTime;
68 import java.time.Month;
69 import java.time.chrono.IsoChronology;
70 import java.time.format.TextStyle;
71 import java.time.temporal.ChronoField;
72 import java.time.temporal.ChronoUnit;
73 import java.time.temporal.JulianFields;
74 import java.time.temporal.TemporalAccessor;
75 import java.time.temporal.TemporalField;
76 import java.time.temporal.TemporalQueries;
77 import java.time.temporal.TemporalQuery;
78 import java.util.ArrayList;
79 import java.util.Arrays;
80 import java.util.List;
81 import java.util.Locale;
82 
83 import org.testng.annotations.DataProvider;
84 import org.testng.annotations.Test;
85 
86 /**
87  * Test Month.
88  */
89 @Test
90 public class TCKMonth extends AbstractDateTimeTest {
91 
92     private static final int MAX_LENGTH = 12;
93 
94     //-----------------------------------------------------------------------
95     @Override
samples()96     protected List<TemporalAccessor> samples() {
97         TemporalAccessor[] array = {Month.JANUARY, Month.JUNE, Month.DECEMBER, };
98         return Arrays.asList(array);
99     }
100 
101     @Override
validFields()102     protected List<TemporalField> validFields() {
103         TemporalField[] array = {
104             MONTH_OF_YEAR,
105         };
106         return Arrays.asList(array);
107     }
108 
109     @Override
invalidFields()110     protected List<TemporalField> invalidFields() {
111         List<TemporalField> list = new ArrayList<>(Arrays.<TemporalField>asList(ChronoField.values()));
112         list.removeAll(validFields());
113         list.add(JulianFields.JULIAN_DAY);
114         list.add(JulianFields.MODIFIED_JULIAN_DAY);
115         list.add(JulianFields.RATA_DIE);
116         return list;
117     }
118 
119     //-----------------------------------------------------------------------
120     @Test
test_factory_int_singleton()121     public void test_factory_int_singleton() {
122         for (int i = 1; i <= MAX_LENGTH; i++) {
123             Month test = Month.of(i);
124             assertEquals(test.getValue(), i);
125         }
126     }
127 
128     @Test(expectedExceptions=DateTimeException.class)
test_factory_int_tooLow()129     public void test_factory_int_tooLow() {
130         Month.of(0);
131     }
132 
133     @Test(expectedExceptions=DateTimeException.class)
test_factory_int_tooHigh()134     public void test_factory_int_tooHigh() {
135         Month.of(13);
136     }
137 
138     //-----------------------------------------------------------------------
139     @Test
test_factory_CalendricalObject()140     public void test_factory_CalendricalObject() {
141         assertEquals(Month.from(LocalDate.of(2011, 6, 6)), Month.JUNE);
142     }
143 
144     @Test(expectedExceptions=DateTimeException.class)
test_factory_CalendricalObject_invalid_noDerive()145     public void test_factory_CalendricalObject_invalid_noDerive() {
146         Month.from(LocalTime.of(12, 30));
147     }
148 
149     @Test(expectedExceptions=NullPointerException.class)
test_factory_CalendricalObject_null()150     public void test_factory_CalendricalObject_null() {
151         Month.from((TemporalAccessor) null);
152     }
153 
154     //-----------------------------------------------------------------------
155     // isSupported(TemporalField)
156     //-----------------------------------------------------------------------
157     @Test
test_isSupported_TemporalField()158     public void test_isSupported_TemporalField() {
159         assertEquals(Month.AUGUST.isSupported((TemporalField) null), false);
160         assertEquals(Month.AUGUST.isSupported(ChronoField.NANO_OF_SECOND), false);
161         assertEquals(Month.AUGUST.isSupported(ChronoField.NANO_OF_DAY), false);
162         assertEquals(Month.AUGUST.isSupported(ChronoField.MICRO_OF_SECOND), false);
163         assertEquals(Month.AUGUST.isSupported(ChronoField.MICRO_OF_DAY), false);
164         assertEquals(Month.AUGUST.isSupported(ChronoField.MILLI_OF_SECOND), false);
165         assertEquals(Month.AUGUST.isSupported(ChronoField.MILLI_OF_DAY), false);
166         assertEquals(Month.AUGUST.isSupported(ChronoField.SECOND_OF_MINUTE), false);
167         assertEquals(Month.AUGUST.isSupported(ChronoField.SECOND_OF_DAY), false);
168         assertEquals(Month.AUGUST.isSupported(ChronoField.MINUTE_OF_HOUR), false);
169         assertEquals(Month.AUGUST.isSupported(ChronoField.MINUTE_OF_DAY), false);
170         assertEquals(Month.AUGUST.isSupported(ChronoField.HOUR_OF_AMPM), false);
171         assertEquals(Month.AUGUST.isSupported(ChronoField.CLOCK_HOUR_OF_AMPM), false);
172         assertEquals(Month.AUGUST.isSupported(ChronoField.HOUR_OF_DAY), false);
173         assertEquals(Month.AUGUST.isSupported(ChronoField.CLOCK_HOUR_OF_DAY), false);
174         assertEquals(Month.AUGUST.isSupported(ChronoField.AMPM_OF_DAY), false);
175         assertEquals(Month.AUGUST.isSupported(ChronoField.DAY_OF_WEEK), false);
176         assertEquals(Month.AUGUST.isSupported(ChronoField.ALIGNED_DAY_OF_WEEK_IN_MONTH), false);
177         assertEquals(Month.AUGUST.isSupported(ChronoField.ALIGNED_DAY_OF_WEEK_IN_YEAR), false);
178         assertEquals(Month.AUGUST.isSupported(ChronoField.DAY_OF_MONTH), false);
179         assertEquals(Month.AUGUST.isSupported(ChronoField.DAY_OF_YEAR), false);
180         assertEquals(Month.AUGUST.isSupported(ChronoField.EPOCH_DAY), false);
181         assertEquals(Month.AUGUST.isSupported(ChronoField.ALIGNED_WEEK_OF_MONTH), false);
182         assertEquals(Month.AUGUST.isSupported(ChronoField.ALIGNED_WEEK_OF_YEAR), false);
183         assertEquals(Month.AUGUST.isSupported(ChronoField.MONTH_OF_YEAR), true);
184         assertEquals(Month.AUGUST.isSupported(ChronoField.PROLEPTIC_MONTH), false);
185         assertEquals(Month.AUGUST.isSupported(ChronoField.YEAR), false);
186         assertEquals(Month.AUGUST.isSupported(ChronoField.YEAR_OF_ERA), false);
187         assertEquals(Month.AUGUST.isSupported(ChronoField.ERA), false);
188         assertEquals(Month.AUGUST.isSupported(ChronoField.INSTANT_SECONDS), false);
189         assertEquals(Month.AUGUST.isSupported(ChronoField.OFFSET_SECONDS), false);
190     }
191 
192     //-----------------------------------------------------------------------
193     // get(TemporalField)
194     //-----------------------------------------------------------------------
195     @Test
test_get_TemporalField()196     public void test_get_TemporalField() {
197         assertEquals(Month.JULY.get(ChronoField.MONTH_OF_YEAR), 7);
198     }
199 
200     @Test
test_getLong_TemporalField()201     public void test_getLong_TemporalField() {
202         assertEquals(Month.JULY.getLong(ChronoField.MONTH_OF_YEAR), 7);
203     }
204 
205     //-----------------------------------------------------------------------
206     // query(TemporalQuery)
207     //-----------------------------------------------------------------------
208     @DataProvider(name="query")
data_query()209     Object[][] data_query() {
210         return new Object[][] {
211                 {Month.JUNE, TemporalQueries.chronology(), IsoChronology.INSTANCE},
212                 {Month.JUNE, TemporalQueries.zoneId(), null},
213                 {Month.JUNE, TemporalQueries.precision(), ChronoUnit.MONTHS},
214                 {Month.JUNE, TemporalQueries.zone(), null},
215                 {Month.JUNE, TemporalQueries.offset(), null},
216                 {Month.JUNE, TemporalQueries.localDate(), null},
217                 {Month.JUNE, TemporalQueries.localTime(), null},
218         };
219     }
220 
221     @Test(dataProvider="query")
test_query(TemporalAccessor temporal, TemporalQuery<T> query, T expected)222     public <T> void test_query(TemporalAccessor temporal, TemporalQuery<T> query, T expected) {
223         assertEquals(temporal.query(query), expected);
224     }
225 
226     @Test(dataProvider="query")
test_queryFrom(TemporalAccessor temporal, TemporalQuery<T> query, T expected)227     public <T> void test_queryFrom(TemporalAccessor temporal, TemporalQuery<T> query, T expected) {
228         assertEquals(query.queryFrom(temporal), expected);
229     }
230 
231     @Test(expectedExceptions=NullPointerException.class)
test_query_null()232     public void test_query_null() {
233         Month.JUNE.query(null);
234     }
235 
236     //-----------------------------------------------------------------------
237     // getText()
238     //-----------------------------------------------------------------------
239     @Test
test_getText()240     public void test_getText() {
241         assertEquals(Month.JANUARY.getDisplayName(TextStyle.SHORT, Locale.US), "Jan");
242     }
243 
244     @Test(expectedExceptions = NullPointerException.class)
test_getText_nullStyle()245     public void test_getText_nullStyle() {
246         Month.JANUARY.getDisplayName(null, Locale.US);
247     }
248 
249     @Test(expectedExceptions = NullPointerException.class)
test_getText_nullLocale()250     public void test_getText_nullLocale() {
251         Month.JANUARY.getDisplayName(TextStyle.FULL, null);
252     }
253 
254     //-----------------------------------------------------------------------
255     // plus(long), plus(long,unit)
256     //-----------------------------------------------------------------------
257     @DataProvider(name="plus")
data_plus()258     Object[][] data_plus() {
259         return new Object[][] {
260             {1, -13, 12},
261             {1, -12, 1},
262             {1, -11, 2},
263             {1, -10, 3},
264             {1, -9, 4},
265             {1, -8, 5},
266             {1, -7, 6},
267             {1, -6, 7},
268             {1, -5, 8},
269             {1, -4, 9},
270             {1, -3, 10},
271             {1, -2, 11},
272             {1, -1, 12},
273             {1, 0, 1},
274             {1, 1, 2},
275             {1, 2, 3},
276             {1, 3, 4},
277             {1, 4, 5},
278             {1, 5, 6},
279             {1, 6, 7},
280             {1, 7, 8},
281             {1, 8, 9},
282             {1, 9, 10},
283             {1, 10, 11},
284             {1, 11, 12},
285             {1, 12, 1},
286             {1, 13, 2},
287 
288             {1, 1, 2},
289             {2, 1, 3},
290             {3, 1, 4},
291             {4, 1, 5},
292             {5, 1, 6},
293             {6, 1, 7},
294             {7, 1, 8},
295             {8, 1, 9},
296             {9, 1, 10},
297             {10, 1, 11},
298             {11, 1, 12},
299             {12, 1, 1},
300 
301             {1, -1, 12},
302             {2, -1, 1},
303             {3, -1, 2},
304             {4, -1, 3},
305             {5, -1, 4},
306             {6, -1, 5},
307             {7, -1, 6},
308             {8, -1, 7},
309             {9, -1, 8},
310             {10, -1, 9},
311             {11, -1, 10},
312             {12, -1, 11},
313         };
314     }
315 
316     @Test(dataProvider="plus")
test_plus_long(int base, long amount, int expected)317     public void test_plus_long(int base, long amount, int expected) {
318         assertEquals(Month.of(base).plus(amount), Month.of(expected));
319     }
320 
321     //-----------------------------------------------------------------------
322     // minus(long), minus(long,unit)
323     //-----------------------------------------------------------------------
324     @DataProvider(name="minus")
data_minus()325     Object[][] data_minus() {
326         return new Object[][] {
327             {1, -13, 2},
328             {1, -12, 1},
329             {1, -11, 12},
330             {1, -10, 11},
331             {1, -9, 10},
332             {1, -8, 9},
333             {1, -7, 8},
334             {1, -6, 7},
335             {1, -5, 6},
336             {1, -4, 5},
337             {1, -3, 4},
338             {1, -2, 3},
339             {1, -1, 2},
340             {1, 0, 1},
341             {1, 1, 12},
342             {1, 2, 11},
343             {1, 3, 10},
344             {1, 4, 9},
345             {1, 5, 8},
346             {1, 6, 7},
347             {1, 7, 6},
348             {1, 8, 5},
349             {1, 9, 4},
350             {1, 10, 3},
351             {1, 11, 2},
352             {1, 12, 1},
353             {1, 13, 12},
354         };
355     }
356 
357     @Test(dataProvider="minus")
test_minus_long(int base, long amount, int expected)358     public void test_minus_long(int base, long amount, int expected) {
359         assertEquals(Month.of(base).minus(amount), Month.of(expected));
360     }
361 
362     //-----------------------------------------------------------------------
363     // length(boolean)
364     //-----------------------------------------------------------------------
365     @Test
test_length_boolean_notLeapYear()366     public void test_length_boolean_notLeapYear() {
367         assertEquals(Month.JANUARY.length(false), 31);
368         assertEquals(Month.FEBRUARY.length(false), 28);
369         assertEquals(Month.MARCH.length(false), 31);
370         assertEquals(Month.APRIL.length(false), 30);
371         assertEquals(Month.MAY.length(false), 31);
372         assertEquals(Month.JUNE.length(false), 30);
373         assertEquals(Month.JULY.length(false), 31);
374         assertEquals(Month.AUGUST.length(false), 31);
375         assertEquals(Month.SEPTEMBER.length(false), 30);
376         assertEquals(Month.OCTOBER.length(false), 31);
377         assertEquals(Month.NOVEMBER.length(false), 30);
378         assertEquals(Month.DECEMBER.length(false), 31);
379     }
380 
381     @Test
test_length_boolean_leapYear()382     public void test_length_boolean_leapYear() {
383         assertEquals(Month.JANUARY.length(true), 31);
384         assertEquals(Month.FEBRUARY.length(true), 29);
385         assertEquals(Month.MARCH.length(true), 31);
386         assertEquals(Month.APRIL.length(true), 30);
387         assertEquals(Month.MAY.length(true), 31);
388         assertEquals(Month.JUNE.length(true), 30);
389         assertEquals(Month.JULY.length(true), 31);
390         assertEquals(Month.AUGUST.length(true), 31);
391         assertEquals(Month.SEPTEMBER.length(true), 30);
392         assertEquals(Month.OCTOBER.length(true), 31);
393         assertEquals(Month.NOVEMBER.length(true), 30);
394         assertEquals(Month.DECEMBER.length(true), 31);
395     }
396 
397     //-----------------------------------------------------------------------
398     // minLength()
399     //-----------------------------------------------------------------------
400     @Test
test_minLength()401     public void test_minLength() {
402         assertEquals(Month.JANUARY.minLength(), 31);
403         assertEquals(Month.FEBRUARY.minLength(), 28);
404         assertEquals(Month.MARCH.minLength(), 31);
405         assertEquals(Month.APRIL.minLength(), 30);
406         assertEquals(Month.MAY.minLength(), 31);
407         assertEquals(Month.JUNE.minLength(), 30);
408         assertEquals(Month.JULY.minLength(), 31);
409         assertEquals(Month.AUGUST.minLength(), 31);
410         assertEquals(Month.SEPTEMBER.minLength(), 30);
411         assertEquals(Month.OCTOBER.minLength(), 31);
412         assertEquals(Month.NOVEMBER.minLength(), 30);
413         assertEquals(Month.DECEMBER.minLength(), 31);
414     }
415 
416     //-----------------------------------------------------------------------
417     // maxLength()
418     //-----------------------------------------------------------------------
419     @Test
test_maxLength()420     public void test_maxLength() {
421         assertEquals(Month.JANUARY.maxLength(), 31);
422         assertEquals(Month.FEBRUARY.maxLength(), 29);
423         assertEquals(Month.MARCH.maxLength(), 31);
424         assertEquals(Month.APRIL.maxLength(), 30);
425         assertEquals(Month.MAY.maxLength(), 31);
426         assertEquals(Month.JUNE.maxLength(), 30);
427         assertEquals(Month.JULY.maxLength(), 31);
428         assertEquals(Month.AUGUST.maxLength(), 31);
429         assertEquals(Month.SEPTEMBER.maxLength(), 30);
430         assertEquals(Month.OCTOBER.maxLength(), 31);
431         assertEquals(Month.NOVEMBER.maxLength(), 30);
432         assertEquals(Month.DECEMBER.maxLength(), 31);
433     }
434 
435     //-----------------------------------------------------------------------
436     // firstDayOfYear(boolean)
437     //-----------------------------------------------------------------------
438     @Test
test_firstDayOfYear_notLeapYear()439     public void test_firstDayOfYear_notLeapYear() {
440         assertEquals(Month.JANUARY.firstDayOfYear(false), 1);
441         assertEquals(Month.FEBRUARY.firstDayOfYear(false), 1 + 31);
442         assertEquals(Month.MARCH.firstDayOfYear(false), 1 + 31 + 28);
443         assertEquals(Month.APRIL.firstDayOfYear(false), 1 + 31 + 28 + 31);
444         assertEquals(Month.MAY.firstDayOfYear(false), 1 + 31 + 28 + 31 + 30);
445         assertEquals(Month.JUNE.firstDayOfYear(false), 1 + 31 + 28 + 31 + 30 + 31);
446         assertEquals(Month.JULY.firstDayOfYear(false), 1 + 31 + 28 + 31 + 30 + 31 + 30);
447         assertEquals(Month.AUGUST.firstDayOfYear(false), 1 + 31 + 28 + 31 + 30 + 31 + 30 + 31);
448         assertEquals(Month.SEPTEMBER.firstDayOfYear(false), 1 + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31);
449         assertEquals(Month.OCTOBER.firstDayOfYear(false), 1 + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30);
450         assertEquals(Month.NOVEMBER.firstDayOfYear(false), 1 + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31);
451         assertEquals(Month.DECEMBER.firstDayOfYear(false), 1 + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30);
452     }
453 
454     @Test
test_firstDayOfYear_leapYear()455     public void test_firstDayOfYear_leapYear() {
456         assertEquals(Month.JANUARY.firstDayOfYear(true), 1);
457         assertEquals(Month.FEBRUARY.firstDayOfYear(true), 1 + 31);
458         assertEquals(Month.MARCH.firstDayOfYear(true), 1 + 31 + 29);
459         assertEquals(Month.APRIL.firstDayOfYear(true), 1 + 31 + 29 + 31);
460         assertEquals(Month.MAY.firstDayOfYear(true), 1 + 31 + 29 + 31 + 30);
461         assertEquals(Month.JUNE.firstDayOfYear(true), 1 + 31 + 29 + 31 + 30 + 31);
462         assertEquals(Month.JULY.firstDayOfYear(true), 1 + 31 + 29 + 31 + 30 + 31 + 30);
463         assertEquals(Month.AUGUST.firstDayOfYear(true), 1 + 31 + 29 + 31 + 30 + 31 + 30 + 31);
464         assertEquals(Month.SEPTEMBER.firstDayOfYear(true), 1 + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31);
465         assertEquals(Month.OCTOBER.firstDayOfYear(true), 1 + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30);
466         assertEquals(Month.NOVEMBER.firstDayOfYear(true), 1 + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31);
467         assertEquals(Month.DECEMBER.firstDayOfYear(true), 1 + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30);
468     }
469 
470     //-----------------------------------------------------------------------
471     // firstMonthOfQuarter()
472     //-----------------------------------------------------------------------
473     @Test
test_firstMonthOfQuarter()474     public void test_firstMonthOfQuarter() {
475         assertEquals(Month.JANUARY.firstMonthOfQuarter(), Month.JANUARY);
476         assertEquals(Month.FEBRUARY.firstMonthOfQuarter(), Month.JANUARY);
477         assertEquals(Month.MARCH.firstMonthOfQuarter(), Month.JANUARY);
478         assertEquals(Month.APRIL.firstMonthOfQuarter(), Month.APRIL);
479         assertEquals(Month.MAY.firstMonthOfQuarter(), Month.APRIL);
480         assertEquals(Month.JUNE.firstMonthOfQuarter(), Month.APRIL);
481         assertEquals(Month.JULY.firstMonthOfQuarter(), Month.JULY);
482         assertEquals(Month.AUGUST.firstMonthOfQuarter(), Month.JULY);
483         assertEquals(Month.SEPTEMBER.firstMonthOfQuarter(), Month.JULY);
484         assertEquals(Month.OCTOBER.firstMonthOfQuarter(), Month.OCTOBER);
485         assertEquals(Month.NOVEMBER.firstMonthOfQuarter(), Month.OCTOBER);
486         assertEquals(Month.DECEMBER.firstMonthOfQuarter(), Month.OCTOBER);
487     }
488 
489     //-----------------------------------------------------------------------
490     // toString()
491     //-----------------------------------------------------------------------
492     @Test
test_toString()493     public void test_toString() {
494         assertEquals(Month.JANUARY.toString(), "JANUARY");
495         assertEquals(Month.FEBRUARY.toString(), "FEBRUARY");
496         assertEquals(Month.MARCH.toString(), "MARCH");
497         assertEquals(Month.APRIL.toString(), "APRIL");
498         assertEquals(Month.MAY.toString(), "MAY");
499         assertEquals(Month.JUNE.toString(), "JUNE");
500         assertEquals(Month.JULY.toString(), "JULY");
501         assertEquals(Month.AUGUST.toString(), "AUGUST");
502         assertEquals(Month.SEPTEMBER.toString(), "SEPTEMBER");
503         assertEquals(Month.OCTOBER.toString(), "OCTOBER");
504         assertEquals(Month.NOVEMBER.toString(), "NOVEMBER");
505         assertEquals(Month.DECEMBER.toString(), "DECEMBER");
506     }
507 
508     //-----------------------------------------------------------------------
509     // generated methods
510     //-----------------------------------------------------------------------
511     @Test
test_enum()512     public void test_enum() {
513         assertEquals(Month.valueOf("JANUARY"), Month.JANUARY);
514         assertEquals(Month.values()[0], Month.JANUARY);
515     }
516 
517 }
518