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1   /*
2    *  Copyright 2001-2009 Stephen Colebourne
3    *
4    *  Licensed under the Apache License, Version 2.0 (the "License");
5    *  you may not use this file except in compliance with the License.
6    *  You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   *  Unless required by applicable law or agreed to in writing, software
11   *  distributed under the License is distributed on an "AS IS" BASIS,
12   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *  See the License for the specific language governing permissions and
14   *  limitations under the License.
15   */
16  package org.joda.time;
17  
18  import java.io.ByteArrayInputStream;
19  import java.io.ByteArrayOutputStream;
20  import java.io.ObjectInputStream;
21  import java.io.ObjectOutputStream;
22  import java.lang.reflect.Modifier;
23  import java.util.Date;
24  import java.util.Locale;
25  import java.util.TimeZone;
26  
27  import junit.framework.TestCase;
28  import junit.framework.TestSuite;
29  
30  import org.joda.time.base.AbstractInstant;
31  import org.joda.time.chrono.GregorianChronology;
32  import org.joda.time.chrono.ISOChronology;
33  
34  /**
35   * This class is a Junit unit test for Instant.
36   *
37   * @author Stephen Colebourne
38   */
39  public class TestInstant_Basics extends TestCase {
40      // Test in 2002/03 as time zones are more well known
41      // (before the late 90's they were all over the place)
42  
43      private static final DateTimeZone PARIS = DateTimeZone.forID("Europe/Paris");
44      private static final DateTimeZone LONDON = DateTimeZone.forID("Europe/London");
45      
46      long y2002days = 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 + 
47                       366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 
48                       365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 +
49                       366 + 365;
50      long y2003days = 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 + 
51                       366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 
52                       365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 +
53                       366 + 365 + 365;
54      
55      // 2002-06-09
56      private long TEST_TIME_NOW =
57              (y2002days + 31L + 28L + 31L + 30L + 31L + 9L -1L) * DateTimeConstants.MILLIS_PER_DAY;
58              
59      // 2002-04-05
60      private long TEST_TIME1 =
61              (y2002days + 31L + 28L + 31L + 5L -1L) * DateTimeConstants.MILLIS_PER_DAY
62              + 12L * DateTimeConstants.MILLIS_PER_HOUR
63              + 24L * DateTimeConstants.MILLIS_PER_MINUTE;
64          
65      // 2003-05-06
66      private long TEST_TIME2 =
67              (y2003days + 31L + 28L + 31L + 30L + 6L -1L) * DateTimeConstants.MILLIS_PER_DAY
68              + 14L * DateTimeConstants.MILLIS_PER_HOUR
69              + 28L * DateTimeConstants.MILLIS_PER_MINUTE;
70          
71      private DateTimeZone originalDateTimeZone = null;
72      private TimeZone originalTimeZone = null;
73      private Locale originalLocale = null;
74  
75      public static void main(String[] args) {
76          junit.textui.TestRunner.run(suite());
77      }
78  
79      public static TestSuite suite() {
80          return new TestSuite(TestInstant_Basics.class);
81      }
82  
83      public TestInstant_Basics(String name) {
84          super(name);
85      }
86  
87      protected void setUp() throws Exception {
88          DateTimeUtils.setCurrentMillisFixed(TEST_TIME_NOW);
89          originalDateTimeZone = DateTimeZone.getDefault();
90          originalTimeZone = TimeZone.getDefault();
91          originalLocale = Locale.getDefault();
92          DateTimeZone.setDefault(LONDON);
93          TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
94          Locale.setDefault(Locale.UK);
95      }
96  
97      protected void tearDown() throws Exception {
98          DateTimeUtils.setCurrentMillisSystem();
99          DateTimeZone.setDefault(originalDateTimeZone);
100         TimeZone.setDefault(originalTimeZone);
101         Locale.setDefault(originalLocale);
102         originalDateTimeZone = null;
103         originalTimeZone = null;
104         originalLocale = null;
105     }
106 
107     //-----------------------------------------------------------------------
108     public void testTest() {
109         assertEquals("2002-06-09T00:00:00.000Z", new Instant(TEST_TIME_NOW).toString());
110         assertEquals("2002-04-05T12:24:00.000Z", new Instant(TEST_TIME1).toString());
111         assertEquals("2003-05-06T14:28:00.000Z", new Instant(TEST_TIME2).toString());
112     }
113 
114     //-----------------------------------------------------------------------
115     public void testGet_DateTimeFieldType() {
116         Instant test = new Instant();  // 2002-06-09
117         assertEquals(1, test.get(DateTimeFieldType.era()));
118         assertEquals(20, test.get(DateTimeFieldType.centuryOfEra()));
119         assertEquals(2, test.get(DateTimeFieldType.yearOfCentury()));
120         assertEquals(2002, test.get(DateTimeFieldType.yearOfEra()));
121         assertEquals(2002, test.get(DateTimeFieldType.year()));
122         assertEquals(6, test.get(DateTimeFieldType.monthOfYear()));
123         assertEquals(9, test.get(DateTimeFieldType.dayOfMonth()));
124         assertEquals(2002, test.get(DateTimeFieldType.weekyear()));
125         assertEquals(23, test.get(DateTimeFieldType.weekOfWeekyear()));
126         assertEquals(7, test.get(DateTimeFieldType.dayOfWeek()));
127         assertEquals(160, test.get(DateTimeFieldType.dayOfYear()));
128         assertEquals(0, test.get(DateTimeFieldType.halfdayOfDay()));
129         assertEquals(0, test.get(DateTimeFieldType.hourOfHalfday()));  // UTC zone
130         assertEquals(24, test.get(DateTimeFieldType.clockhourOfDay()));  // UTC zone
131         assertEquals(12, test.get(DateTimeFieldType.clockhourOfHalfday()));  // UTC zone
132         assertEquals(0, test.get(DateTimeFieldType.hourOfDay()));  // UTC zone
133         assertEquals(0, test.get(DateTimeFieldType.minuteOfHour()));
134         assertEquals(0, test.get(DateTimeFieldType.minuteOfDay()));
135         assertEquals(0, test.get(DateTimeFieldType.secondOfMinute()));
136         assertEquals(0, test.get(DateTimeFieldType.secondOfDay()));
137         assertEquals(0, test.get(DateTimeFieldType.millisOfSecond()));
138         assertEquals(0, test.get(DateTimeFieldType.millisOfDay()));
139         try {
140             test.get((DateTimeFieldType) null);
141             fail();
142         } catch (IllegalArgumentException ex) {}
143     }
144 
145     public void testGet_DateTimeField() {
146         Instant test = new Instant();  // 2002-06-09
147         assertEquals(1, test.get(ISOChronology.getInstance().era()));
148         assertEquals(20, test.get(ISOChronology.getInstance().centuryOfEra()));
149         assertEquals(2, test.get(ISOChronology.getInstance().yearOfCentury()));
150         assertEquals(2002, test.get(ISOChronology.getInstance().yearOfEra()));
151         assertEquals(2002, test.get(ISOChronology.getInstance().year()));
152         assertEquals(6, test.get(ISOChronology.getInstance().monthOfYear()));
153         assertEquals(9, test.get(ISOChronology.getInstance().dayOfMonth()));
154         assertEquals(2002, test.get(ISOChronology.getInstance().weekyear()));
155         assertEquals(23, test.get(ISOChronology.getInstance().weekOfWeekyear()));
156         assertEquals(7, test.get(ISOChronology.getInstance().dayOfWeek()));
157         assertEquals(160, test.get(ISOChronology.getInstance().dayOfYear()));
158         assertEquals(0, test.get(ISOChronology.getInstance().halfdayOfDay()));
159         assertEquals(1, test.get(ISOChronology.getInstance().hourOfHalfday()));
160         assertEquals(1, test.get(ISOChronology.getInstance().clockhourOfDay()));
161         assertEquals(1, test.get(ISOChronology.getInstance().clockhourOfHalfday()));
162         assertEquals(1, test.get(ISOChronology.getInstance().hourOfDay()));
163         assertEquals(0, test.get(ISOChronology.getInstance().minuteOfHour()));
164         assertEquals(60, test.get(ISOChronology.getInstance().minuteOfDay()));
165         assertEquals(0, test.get(ISOChronology.getInstance().secondOfMinute()));
166         assertEquals(60 * 60, test.get(ISOChronology.getInstance().secondOfDay()));
167         assertEquals(0, test.get(ISOChronology.getInstance().millisOfSecond()));
168         assertEquals(60 * 60 * 1000, test.get(ISOChronology.getInstance().millisOfDay()));
169         try {
170             test.get((DateTimeField) null);
171             fail();
172         } catch (IllegalArgumentException ex) {}
173     }
174 
175     public void testGetMethods() {
176         Instant test = new Instant();
177         
178         assertEquals(ISOChronology.getInstanceUTC(), test.getChronology());
179         assertEquals(DateTimeZone.UTC, test.getZone());
180         assertEquals(TEST_TIME_NOW, test.getMillis());
181     }
182 
183     public void testEqualsHashCode() {
184         Instant test1 = new Instant(TEST_TIME1);
185         Instant test2 = new Instant(TEST_TIME1);
186         assertEquals(true, test1.equals(test2));
187         assertEquals(true, test2.equals(test1));
188         assertEquals(true, test1.equals(test1));
189         assertEquals(true, test2.equals(test2));
190         assertEquals(true, test1.hashCode() == test2.hashCode());
191         assertEquals(true, test1.hashCode() == test1.hashCode());
192         assertEquals(true, test2.hashCode() == test2.hashCode());
193         
194         Instant test3 = new Instant(TEST_TIME2);
195         assertEquals(false, test1.equals(test3));
196         assertEquals(false, test2.equals(test3));
197         assertEquals(false, test3.equals(test1));
198         assertEquals(false, test3.equals(test2));
199         assertEquals(false, test1.hashCode() == test3.hashCode());
200         assertEquals(false, test2.hashCode() == test3.hashCode());
201         
202         assertEquals(false, test1.equals("Hello"));
203         assertEquals(true, test1.equals(new MockInstant()));
204         assertEquals(false, test1.equals(new DateTime(TEST_TIME1)));
205     }
206     
207     class MockInstant extends AbstractInstant {
208         public String toString() {
209             return null;
210         }
211         public long getMillis() {
212             return TEST_TIME1;
213         }
214         public Chronology getChronology() {
215             return ISOChronology.getInstanceUTC();
216         }
217     }
218 
219     public void testCompareTo() {
220         Instant test1 = new Instant(TEST_TIME1);
221         Instant test1a = new Instant(TEST_TIME1);
222         assertEquals(0, test1.compareTo(test1a));
223         assertEquals(0, test1a.compareTo(test1));
224         assertEquals(0, test1.compareTo(test1));
225         assertEquals(0, test1a.compareTo(test1a));
226         
227         Instant test2 = new Instant(TEST_TIME2);
228         assertEquals(-1, test1.compareTo(test2));
229         assertEquals(+1, test2.compareTo(test1));
230         
231         DateTime test3 = new DateTime(TEST_TIME2, GregorianChronology.getInstance(PARIS));
232         assertEquals(-1, test1.compareTo(test3));
233         assertEquals(+1, test3.compareTo(test1));
234         assertEquals(0, test3.compareTo(test2));
235         
236         assertEquals(+1, test2.compareTo(new MockInstant()));
237         assertEquals(0, test1.compareTo(new MockInstant()));
238         
239         try {
240             test1.compareTo(null);
241             fail();
242         } catch (NullPointerException ex) {}
243 //        try {
244 //            test1.compareTo(new Date());
245 //            fail();
246 //        } catch (ClassCastException ex) {}
247     }
248     
249     //-----------------------------------------------------------------------
250     public void testIsEqual_long() {
251         assertEquals(false, new Instant(TEST_TIME1).isEqual(TEST_TIME2));
252         assertEquals(true, new Instant(TEST_TIME1).isEqual(TEST_TIME1));
253         assertEquals(false, new Instant(TEST_TIME2).isEqual(TEST_TIME1));
254     }
255     
256     public void testIsEqualNow() {
257         assertEquals(false, new Instant(TEST_TIME_NOW - 1).isEqualNow());
258         assertEquals(true, new Instant(TEST_TIME_NOW).isEqualNow());
259         assertEquals(false, new Instant(TEST_TIME_NOW + 1).isEqualNow());
260     }
261     
262     public void testIsEqual_RI() {
263         Instant test1 = new Instant(TEST_TIME1);
264         Instant test1a = new Instant(TEST_TIME1);
265         assertEquals(true, test1.isEqual(test1a));
266         assertEquals(true, test1a.isEqual(test1));
267         assertEquals(true, test1.isEqual(test1));
268         assertEquals(true, test1a.isEqual(test1a));
269         
270         Instant test2 = new Instant(TEST_TIME2);
271         assertEquals(false, test1.isEqual(test2));
272         assertEquals(false, test2.isEqual(test1));
273         
274         DateTime test3 = new DateTime(TEST_TIME2, GregorianChronology.getInstance(PARIS));
275         assertEquals(false, test1.isEqual(test3));
276         assertEquals(false, test3.isEqual(test1));
277         assertEquals(true, test3.isEqual(test2));
278         
279         assertEquals(false, test2.isEqual(new MockInstant()));
280         assertEquals(true, test1.isEqual(new MockInstant()));
281         
282         assertEquals(false, new Instant(TEST_TIME_NOW + 1).isEqual(null));
283         assertEquals(true, new Instant(TEST_TIME_NOW).isEqual(null));
284         assertEquals(false, new Instant(TEST_TIME_NOW - 1).isEqual(null));
285     }
286     
287     //-----------------------------------------------------------------------
288     public void testIsBefore_long() {
289         assertEquals(true, new Instant(TEST_TIME1).isBefore(TEST_TIME2));
290         assertEquals(false, new Instant(TEST_TIME1).isBefore(TEST_TIME1));
291         assertEquals(false, new Instant(TEST_TIME2).isBefore(TEST_TIME1));
292     }
293     
294     public void testIsBeforeNow() {
295         assertEquals(true, new Instant(TEST_TIME_NOW - 1).isBeforeNow());
296         assertEquals(false, new Instant(TEST_TIME_NOW).isBeforeNow());
297         assertEquals(false, new Instant(TEST_TIME_NOW + 1).isBeforeNow());
298     }
299     
300     public void testIsBefore_RI() {
301         Instant test1 = new Instant(TEST_TIME1);
302         Instant test1a = new Instant(TEST_TIME1);
303         assertEquals(false, test1.isBefore(test1a));
304         assertEquals(false, test1a.isBefore(test1));
305         assertEquals(false, test1.isBefore(test1));
306         assertEquals(false, test1a.isBefore(test1a));
307         
308         Instant test2 = new Instant(TEST_TIME2);
309         assertEquals(true, test1.isBefore(test2));
310         assertEquals(false, test2.isBefore(test1));
311         
312         DateTime test3 = new DateTime(TEST_TIME2, GregorianChronology.getInstance(PARIS));
313         assertEquals(true, test1.isBefore(test3));
314         assertEquals(false, test3.isBefore(test1));
315         assertEquals(false, test3.isBefore(test2));
316         
317         assertEquals(false, test2.isBefore(new MockInstant()));
318         assertEquals(false, test1.isBefore(new MockInstant()));
319         
320         assertEquals(false, new Instant(TEST_TIME_NOW + 1).isBefore(null));
321         assertEquals(false, new Instant(TEST_TIME_NOW).isBefore(null));
322         assertEquals(true, new Instant(TEST_TIME_NOW - 1).isBefore(null));
323     }
324     
325     //-----------------------------------------------------------------------
326     public void testIsAfter_long() {
327         assertEquals(false, new Instant(TEST_TIME1).isAfter(TEST_TIME2));
328         assertEquals(false, new Instant(TEST_TIME1).isAfter(TEST_TIME1));
329         assertEquals(true, new Instant(TEST_TIME2).isAfter(TEST_TIME1));
330     }
331     
332     public void testIsAfterNow() {
333         assertEquals(false, new Instant(TEST_TIME_NOW - 1).isAfterNow());
334         assertEquals(false, new Instant(TEST_TIME_NOW).isAfterNow());
335         assertEquals(true, new Instant(TEST_TIME_NOW + 1).isAfterNow());
336     }
337     
338     public void testIsAfter_RI() {
339         Instant test1 = new Instant(TEST_TIME1);
340         Instant test1a = new Instant(TEST_TIME1);
341         assertEquals(false, test1.isAfter(test1a));
342         assertEquals(false, test1a.isAfter(test1));
343         assertEquals(false, test1.isAfter(test1));
344         assertEquals(false, test1a.isAfter(test1a));
345         
346         Instant test2 = new Instant(TEST_TIME2);
347         assertEquals(false, test1.isAfter(test2));
348         assertEquals(true, test2.isAfter(test1));
349         
350         DateTime test3 = new DateTime(TEST_TIME2, GregorianChronology.getInstance(PARIS));
351         assertEquals(false, test1.isAfter(test3));
352         assertEquals(true, test3.isAfter(test1));
353         assertEquals(false, test3.isAfter(test2));
354         
355         assertEquals(true, test2.isAfter(new MockInstant()));
356         assertEquals(false, test1.isAfter(new MockInstant()));
357         
358         assertEquals(true, new Instant(TEST_TIME_NOW + 1).isAfter(null));
359         assertEquals(false, new Instant(TEST_TIME_NOW).isAfter(null));
360         assertEquals(false, new Instant(TEST_TIME_NOW - 1).isAfter(null));
361     }
362     
363     //-----------------------------------------------------------------------
364     public void testSerialization() throws Exception {
365         Instant test = new Instant(TEST_TIME_NOW);
366         
367         ByteArrayOutputStream baos = new ByteArrayOutputStream();
368         ObjectOutputStream oos = new ObjectOutputStream(baos);
369         oos.writeObject(test);
370         byte[] bytes = baos.toByteArray();
371         oos.close();
372         
373         ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
374         ObjectInputStream ois = new ObjectInputStream(bais);
375         Instant result = (Instant) ois.readObject();
376         ois.close();
377         
378         assertEquals(test, result);
379     }
380 
381     //-----------------------------------------------------------------------
382     public void testToString() {
383         Instant test = new Instant(TEST_TIME_NOW);
384         assertEquals("2002-06-09T00:00:00.000Z", test.toString());
385     }
386 
387     //-----------------------------------------------------------------------
388     public void testToInstant() {
389         Instant test = new Instant(TEST_TIME1);
390         Instant result = test.toInstant();
391         assertSame(test, result);
392     }
393 
394     public void testToDateTime() {
395         Instant test = new Instant(TEST_TIME1);
396         DateTime result = test.toDateTime();
397         assertEquals(TEST_TIME1, result.getMillis());
398         assertEquals(ISOChronology.getInstance(), result.getChronology());
399     }
400 
401     public void testToDateTimeISO() {
402         Instant test = new Instant(TEST_TIME1);
403         DateTime result = test.toDateTimeISO();
404         assertSame(DateTime.class, result.getClass());
405         assertSame(ISOChronology.class, result.getChronology().getClass());
406         assertEquals(test.getMillis(), result.getMillis());
407         assertEquals(ISOChronology.getInstance(), result.getChronology());
408     }
409 
410     public void testToDateTime_DateTimeZone() {
411         Instant test = new Instant(TEST_TIME1);
412         DateTime result = test.toDateTime(LONDON);
413         assertEquals(test.getMillis(), result.getMillis());
414         assertEquals(ISOChronology.getInstance(LONDON), result.getChronology());
415 
416         test = new Instant(TEST_TIME1);
417         result = test.toDateTime(PARIS);
418         assertEquals(test.getMillis(), result.getMillis());
419         assertEquals(ISOChronology.getInstance(PARIS), result.getChronology());
420 
421         test = new Instant(TEST_TIME1);
422         result = test.toDateTime((DateTimeZone) null);
423         assertEquals(test.getMillis(), result.getMillis());
424         assertEquals(ISOChronology.getInstance(), result.getChronology());
425     }
426 
427     public void testToDateTime_Chronology() {
428         Instant test = new Instant(TEST_TIME1);
429         DateTime result = test.toDateTime(ISOChronology.getInstance());
430         assertEquals(test.getMillis(), result.getMillis());
431         assertEquals(ISOChronology.getInstance(), result.getChronology());
432 
433         test = new Instant(TEST_TIME1);
434         result = test.toDateTime(GregorianChronology.getInstance(PARIS));
435         assertEquals(test.getMillis(), result.getMillis());
436         assertEquals(GregorianChronology.getInstance(PARIS), result.getChronology());
437 
438         test = new Instant(TEST_TIME1);
439         result = test.toDateTime((Chronology) null);
440         assertEquals(ISOChronology.getInstance(), result.getChronology());
441     }
442 
443     public void testToMutableDateTime() {
444         Instant test = new Instant(TEST_TIME1);
445         MutableDateTime result = test.toMutableDateTime();
446         assertEquals(test.getMillis(), result.getMillis());
447         assertEquals(ISOChronology.getInstance(), result.getChronology());
448     }
449 
450     public void testToMutableDateTimeISO() {
451         Instant test = new Instant(TEST_TIME1);
452         MutableDateTime result = test.toMutableDateTimeISO();
453         assertSame(MutableDateTime.class, result.getClass());
454         assertSame(ISOChronology.class, result.getChronology().getClass());
455         assertEquals(test.getMillis(), result.getMillis());
456         assertEquals(ISOChronology.getInstance(), result.getChronology());
457     }
458 
459     public void testToMutableDateTime_DateTimeZone() {
460         Instant test = new Instant(TEST_TIME1);
461         MutableDateTime result = test.toMutableDateTime(LONDON);
462         assertEquals(test.getMillis(), result.getMillis());
463         assertEquals(ISOChronology.getInstance(), result.getChronology());
464 
465         test = new Instant(TEST_TIME1);
466         result = test.toMutableDateTime(PARIS);
467         assertEquals(test.getMillis(), result.getMillis());
468         assertEquals(ISOChronology.getInstance(PARIS), result.getChronology());
469 
470         test = new Instant(TEST_TIME1);
471         result = test.toMutableDateTime((DateTimeZone) null);
472         assertEquals(test.getMillis(), result.getMillis());
473         assertEquals(ISOChronology.getInstance(), result.getChronology());
474     }
475 
476     public void testToMutableDateTime_Chronology() {
477         Instant test = new Instant(TEST_TIME1);
478         MutableDateTime result = test.toMutableDateTime(ISOChronology.getInstance());
479         assertEquals(test.getMillis(), result.getMillis());
480         assertEquals(ISOChronology.getInstance(), result.getChronology());
481 
482         test = new Instant(TEST_TIME1);
483         result = test.toMutableDateTime(GregorianChronology.getInstance(PARIS));
484         assertEquals(test.getMillis(), result.getMillis());
485         assertEquals(GregorianChronology.getInstance(PARIS), result.getChronology());
486 
487         test = new Instant(TEST_TIME1);
488         result = test.toMutableDateTime((Chronology) null);
489         assertEquals(test.getMillis(), result.getMillis());
490         assertEquals(ISOChronology.getInstance(), result.getChronology());
491     }
492 
493     public void testToDate() {
494         Instant test = new Instant(TEST_TIME1);
495         Date result = test.toDate();
496         assertEquals(test.getMillis(), result.getTime());
497     }
498 
499     //-----------------------------------------------------------------------
500     public void testWithMillis_long() {
501         Instant test = new Instant(TEST_TIME1);
502         Instant result = test.withMillis(TEST_TIME2);
503         assertEquals(TEST_TIME2, result.getMillis());
504         assertEquals(test.getChronology(), result.getChronology());
505         
506         test = new Instant(TEST_TIME1);
507         result = test.withMillis(TEST_TIME1);
508         assertSame(test, result);
509     }
510 
511     //-----------------------------------------------------------------------
512     public void testWithDurationAdded_long_int() {
513         Instant test = new Instant(TEST_TIME1);
514         Instant result = test.withDurationAdded(123456789L, 1);
515         Instant expected = new Instant(TEST_TIME1 + 123456789L);
516         assertEquals(expected, result);
517         
518         result = test.withDurationAdded(123456789L, 0);
519         assertSame(test, result);
520         
521         result = test.withDurationAdded(123456789L, 2);
522         expected = new Instant(TEST_TIME1 + (2L * 123456789L));
523         assertEquals(expected, result);
524         
525         result = test.withDurationAdded(123456789L, -3);
526         expected = new Instant(TEST_TIME1 - (3L * 123456789L));
527         assertEquals(expected, result);
528     }
529     
530     //-----------------------------------------------------------------------
531     public void testWithDurationAdded_RD_int() {
532         Instant test = new Instant(TEST_TIME1);
533         Instant result = test.withDurationAdded(new Duration(123456789L), 1);
534         Instant expected = new Instant(TEST_TIME1 + 123456789L);
535         assertEquals(expected, result);
536         
537         result = test.withDurationAdded(null, 1);
538         assertSame(test, result);
539         
540         result = test.withDurationAdded(new Duration(123456789L), 0);
541         assertSame(test, result);
542         
543         result = test.withDurationAdded(new Duration(123456789L), 2);
544         expected = new Instant(TEST_TIME1 + (2L * 123456789L));
545         assertEquals(expected, result);
546         
547         result = test.withDurationAdded(new Duration(123456789L), -3);
548         expected = new Instant(TEST_TIME1 - (3L * 123456789L));
549         assertEquals(expected, result);
550     }
551     
552     //-----------------------------------------------------------------------    
553     public void testPlus_long() {
554         Instant test = new Instant(TEST_TIME1);
555         Instant result = test.plus(123456789L);
556         Instant expected = new Instant(TEST_TIME1 + 123456789L);
557         assertEquals(expected, result);
558     }
559     
560     public void testPlus_RD() {
561         Instant test = new Instant(TEST_TIME1);
562         Instant result = test.plus(new Duration(123456789L));
563         Instant expected = new Instant(TEST_TIME1 + 123456789L);
564         assertEquals(expected, result);
565         
566         result = test.plus((ReadableDuration) null);
567         assertSame(test, result);
568     }
569     
570     //-----------------------------------------------------------------------    
571     public void testMinus_long() {
572         Instant test = new Instant(TEST_TIME1);
573         Instant result = test.minus(123456789L);
574         Instant expected = new Instant(TEST_TIME1 - 123456789L);
575         assertEquals(expected, result);
576     }
577     
578     public void testMinus_RD() {
579         Instant test = new Instant(TEST_TIME1);
580         Instant result = test.minus(new Duration(123456789L));
581         Instant expected = new Instant(TEST_TIME1 - 123456789L);
582         assertEquals(expected, result);
583         
584         result = test.minus((ReadableDuration) null);
585         assertSame(test, result);
586     }
587     
588     //-----------------------------------------------------------------------
589     public void testImmutable() {
590         assertTrue(Modifier.isFinal(Instant.class.getModifiers()));
591     }
592 
593 }