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Java > Open Source Codes > org > joda > time > chrono > TestGregorianChronology


1 /*
2  * Copyright 2001-2005 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.chrono;
17
18 import java.util.Locale JavaDoc;
19 import java.util.TimeZone JavaDoc;
20
21 import junit.framework.TestCase;
22 import junit.framework.TestSuite;
23
24 import org.joda.time.Chronology;
25 import org.joda.time.DateMidnight;
26 import org.joda.time.DateTimeConstants;
27 import org.joda.time.DateTimeUtils;
28 import org.joda.time.DateTimeZone;
29 import org.joda.time.YearMonthDay;
30
31 /**
32  * This class is a Junit unit test for GregorianChronology.
33  *
34  * @author Stephen Colebourne
35  */
36 public class TestGregorianChronology extends TestCase {
37
38     private static final DateTimeZone PARIS = DateTimeZone.forID("Europe/Paris");
39     private static final DateTimeZone LONDON = DateTimeZone.forID("Europe/London");
40     private static final DateTimeZone TOKYO = DateTimeZone.forID("Asia/Tokyo");
41
42     long y2002days = 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 +
43                      366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 +
44                      365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 +
45                      366 + 365;
46     // 2002-06-09
47 private long TEST_TIME_NOW =
48             (y2002days + 31L + 28L + 31L + 30L + 31L + 9L -1L) * DateTimeConstants.MILLIS_PER_DAY;
49
50     private DateTimeZone originalDateTimeZone = null;
51     private TimeZone JavaDoc originalTimeZone = null;
52     private Locale JavaDoc originalLocale = null;
53
54     public static void main(String JavaDoc[] args) {
55         junit.textui.TestRunner.run(suite());
56     }
57
58     public static TestSuite suite() {
59         return new TestSuite(TestGregorianChronology.class);
60     }
61
62     public TestGregorianChronology(String JavaDoc name) {
63         super(name);
64     }
65
66     protected void setUp() throws Exception JavaDoc {
67         DateTimeUtils.setCurrentMillisFixed(TEST_TIME_NOW);
68         originalDateTimeZone = DateTimeZone.getDefault();
69         originalTimeZone = TimeZone.getDefault();
70         originalLocale = Locale.getDefault();
71         DateTimeZone.setDefault(LONDON);
72         TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
73         Locale.setDefault(Locale.UK);
74     }
75
76     protected void tearDown() throws Exception JavaDoc {
77         DateTimeUtils.setCurrentMillisSystem();
78         DateTimeZone.setDefault(originalDateTimeZone);
79         TimeZone.setDefault(originalTimeZone);
80         Locale.setDefault(originalLocale);
81         originalDateTimeZone = null;
82         originalTimeZone = null;
83         originalLocale = null;
84     }
85
86     //-----------------------------------------------------------------------
87 public void testFactoryUTC() {
88         assertEquals(DateTimeZone.UTC, GregorianChronology.getInstanceUTC().getZone());
89         assertSame(GregorianChronology.class, GregorianChronology.getInstanceUTC().getClass());
90     }
91
92     public void testFactory() {
93         assertEquals(LONDON, GregorianChronology.getInstance().getZone());
94         assertSame(GregorianChronology.class, GregorianChronology.getInstance().getClass());
95     }
96
97     public void testFactory_Zone() {
98         assertEquals(TOKYO, GregorianChronology.getInstance(TOKYO).getZone());
99         assertEquals(PARIS, GregorianChronology.getInstance(PARIS).getZone());
100         assertEquals(LONDON, GregorianChronology.getInstance(null).getZone());
101         assertSame(GregorianChronology.class, GregorianChronology.getInstance(TOKYO).getClass());
102     }
103
104     public void testFactory_Zone_int() {
105         GregorianChronology chrono = GregorianChronology.getInstance(TOKYO, 2);
106         assertEquals(TOKYO, chrono.getZone());
107         assertEquals(2, chrono.getMinimumDaysInFirstWeek());
108         
109         try {
110             GregorianChronology.getInstance(TOKYO, 0);
111             fail();
112         } catch (IllegalArgumentException JavaDoc ex) {}
113         try {
114             GregorianChronology.getInstance(TOKYO, 8);
115             fail();
116         } catch (IllegalArgumentException JavaDoc ex) {}
117     }
118
119     //-----------------------------------------------------------------------
120 public void testEquality() {
121         assertSame(GregorianChronology.getInstance(TOKYO), GregorianChronology.getInstance(TOKYO));
122         assertSame(GregorianChronology.getInstance(LONDON), GregorianChronology.getInstance(LONDON));
123         assertSame(GregorianChronology.getInstance(PARIS), GregorianChronology.getInstance(PARIS));
124         assertSame(GregorianChronology.getInstanceUTC(), GregorianChronology.getInstanceUTC());
125         assertSame(GregorianChronology.getInstance(), GregorianChronology.getInstance(LONDON));
126     }
127
128     public void testWithUTC() {
129         assertSame(GregorianChronology.getInstanceUTC(), GregorianChronology.getInstance(LONDON).withUTC());
130         assertSame(GregorianChronology.getInstanceUTC(), GregorianChronology.getInstance(TOKYO).withUTC());
131         assertSame(GregorianChronology.getInstanceUTC(), GregorianChronology.getInstanceUTC().withUTC());
132         assertSame(GregorianChronology.getInstanceUTC(), GregorianChronology.getInstance().withUTC());
133     }
134
135     public void testWithZone() {
136         assertSame(GregorianChronology.getInstance(TOKYO), GregorianChronology.getInstance(TOKYO).withZone(TOKYO));
137         assertSame(GregorianChronology.getInstance(LONDON), GregorianChronology.getInstance(TOKYO).withZone(LONDON));
138         assertSame(GregorianChronology.getInstance(PARIS), GregorianChronology.getInstance(TOKYO).withZone(PARIS));
139         assertSame(GregorianChronology.getInstance(LONDON), GregorianChronology.getInstance(TOKYO).withZone(null));
140         assertSame(GregorianChronology.getInstance(PARIS), GregorianChronology.getInstance().withZone(PARIS));
141         assertSame(GregorianChronology.getInstance(PARIS), GregorianChronology.getInstanceUTC().withZone(PARIS));
142     }
143
144     public void testToString() {
145         assertEquals("GregorianChronology[Europe/London]", GregorianChronology.getInstance(LONDON).toString());
146         assertEquals("GregorianChronology[Asia/Tokyo]", GregorianChronology.getInstance(TOKYO).toString());
147         assertEquals("GregorianChronology[Europe/London]", GregorianChronology.getInstance().toString());
148         assertEquals("GregorianChronology[UTC]", GregorianChronology.getInstanceUTC().toString());
149         assertEquals("GregorianChronology[UTC,mdfw=2]", GregorianChronology.getInstance(DateTimeZone.UTC, 2).toString());
150     }
151
152     //-----------------------------------------------------------------------
153 public void testDurationFields() {
154         assertEquals("eras", GregorianChronology.getInstance().eras().getName());
155         assertEquals("centuries", GregorianChronology.getInstance().centuries().getName());
156         assertEquals("years", GregorianChronology.getInstance().years().getName());
157         assertEquals("weekyears", GregorianChronology.getInstance().weekyears().getName());
158         assertEquals("months", GregorianChronology.getInstance().months().getName());
159         assertEquals("weeks", GregorianChronology.getInstance().weeks().getName());
160         assertEquals("days", GregorianChronology.getInstance().days().getName());
161         assertEquals("halfdays", GregorianChronology.getInstance().halfdays().getName());
162         assertEquals("hours", GregorianChronology.getInstance().hours().getName());
163         assertEquals("minutes", GregorianChronology.getInstance().minutes().getName());
164         assertEquals("seconds", GregorianChronology.getInstance().seconds().getName());
165         assertEquals("millis", GregorianChronology.getInstance().millis().getName());
166         
167         assertEquals(false, GregorianChronology.getInstance().eras().isSupported());
168         assertEquals(true, GregorianChronology.getInstance().centuries().isSupported());
169         assertEquals(true, GregorianChronology.getInstance().years().isSupported());
170         assertEquals(true, GregorianChronology.getInstance().weekyears().isSupported());
171         assertEquals(true, GregorianChronology.getInstance().months().isSupported());
172         assertEquals(true, GregorianChronology.getInstance().weeks().isSupported());
173         assertEquals(true, GregorianChronology.getInstance().days().isSupported());
174         assertEquals(true, GregorianChronology.getInstance().halfdays().isSupported());
175         assertEquals(true, GregorianChronology.getInstance().hours().isSupported());
176         assertEquals(true, GregorianChronology.getInstance().minutes().isSupported());
177         assertEquals(true, GregorianChronology.getInstance().seconds().isSupported());
178         assertEquals(true, GregorianChronology.getInstance().millis().isSupported());
179         
180         assertEquals(false, GregorianChronology.getInstance().centuries().isPrecise());
181         assertEquals(false, GregorianChronology.getInstance().years().isPrecise());
182         assertEquals(false, GregorianChronology.getInstance().weekyears().isPrecise());
183         assertEquals(false, GregorianChronology.getInstance().months().isPrecise());
184         assertEquals(false, GregorianChronology.getInstance().weeks().isPrecise());
185         assertEquals(false, GregorianChronology.getInstance().days().isPrecise());
186         assertEquals(false, GregorianChronology.getInstance().halfdays().isPrecise());
187         assertEquals(true, GregorianChronology.getInstance().hours().isPrecise());
188         assertEquals(true, GregorianChronology.getInstance().minutes().isPrecise());
189         assertEquals(true, GregorianChronology.getInstance().seconds().isPrecise());
190         assertEquals(true, GregorianChronology.getInstance().millis().isPrecise());
191         
192         assertEquals(false, GregorianChronology.getInstanceUTC().centuries().isPrecise());
193         assertEquals(false, GregorianChronology.getInstanceUTC().years().isPrecise());
194         assertEquals(false, GregorianChronology.getInstanceUTC().weekyears().isPrecise());
195         assertEquals(false, GregorianChronology.getInstanceUTC().months().isPrecise());
196         assertEquals(true, GregorianChronology.getInstanceUTC().weeks().isPrecise());
197         assertEquals(true, GregorianChronology.getInstanceUTC().days().isPrecise());
198         assertEquals(true, GregorianChronology.getInstanceUTC().halfdays().isPrecise());
199         assertEquals(true, GregorianChronology.getInstanceUTC().hours().isPrecise());
200         assertEquals(true, GregorianChronology.getInstanceUTC().minutes().isPrecise());
201         assertEquals(true, GregorianChronology.getInstanceUTC().seconds().isPrecise());
202         assertEquals(true, GregorianChronology.getInstanceUTC().millis().isPrecise());
203     }
204
205     public void testDateFields() {
206         assertEquals("era", GregorianChronology.getInstance().era().getName());
207         assertEquals("centuryOfEra", GregorianChronology.getInstance().centuryOfEra().getName());
208         assertEquals("yearOfCentury", GregorianChronology.getInstance().yearOfCentury().getName());
209         assertEquals("yearOfEra", GregorianChronology.getInstance().yearOfEra().getName());
210         assertEquals("year", GregorianChronology.getInstance().year().getName());
211         assertEquals("monthOfYear", GregorianChronology.getInstance().monthOfYear().getName());
212         assertEquals("weekyearOfCentury", GregorianChronology.getInstance().weekyearOfCentury().getName());
213         assertEquals("weekyear", GregorianChronology.getInstance().weekyear().getName());
214         assertEquals("weekOfWeekyear", GregorianChronology.getInstance().weekOfWeekyear().getName());
215         assertEquals("dayOfYear", GregorianChronology.getInstance().dayOfYear().getName());
216         assertEquals("dayOfMonth", GregorianChronology.getInstance().dayOfMonth().getName());
217         assertEquals("dayOfWeek", GregorianChronology.getInstance().dayOfWeek().getName());
218         
219         assertEquals(true, GregorianChronology.getInstance().era().isSupported());
220         assertEquals(true, GregorianChronology.getInstance().centuryOfEra().isSupported());
221         assertEquals(true, GregorianChronology.getInstance().yearOfCentury().isSupported());
222         assertEquals(true, GregorianChronology.getInstance().yearOfEra().isSupported());
223         assertEquals(true, GregorianChronology.getInstance().year().isSupported());
224         assertEquals(true, GregorianChronology.getInstance().monthOfYear().isSupported());
225         assertEquals(true, GregorianChronology.getInstance().weekyearOfCentury().isSupported());
226         assertEquals(true, GregorianChronology.getInstance().weekyear().isSupported());
227         assertEquals(true, GregorianChronology.getInstance().weekOfWeekyear().isSupported());
228         assertEquals(true, GregorianChronology.getInstance().dayOfYear().isSupported());
229         assertEquals(true, GregorianChronology.getInstance().dayOfMonth().isSupported());
230         assertEquals(true, GregorianChronology.getInstance().dayOfWeek().isSupported());
231     }
232
233     public void testTimeFields() {
234         assertEquals("halfdayOfDay", GregorianChronology.getInstance().halfdayOfDay().getName());
235         assertEquals("clockhourOfHalfday", GregorianChronology.getInstance().clockhourOfHalfday().getName());
236         assertEquals("hourOfHalfday", GregorianChronology.getInstance().hourOfHalfday().getName());
237         assertEquals("clockhourOfDay", GregorianChronology.getInstance().clockhourOfDay().getName());
238         assertEquals("hourOfDay", GregorianChronology.getInstance().hourOfDay().getName());
239         assertEquals("minuteOfDay", GregorianChronology.getInstance().minuteOfDay().getName());
240         assertEquals("minuteOfHour", GregorianChronology.getInstance().minuteOfHour().getName());
241         assertEquals("secondOfDay", GregorianChronology.getInstance().secondOfDay().getName());
242         assertEquals("secondOfMinute", GregorianChronology.getInstance().secondOfMinute().getName());
243         assertEquals("millisOfDay", GregorianChronology.getInstance().millisOfDay().getName());
244         assertEquals("millisOfSecond", GregorianChronology.getInstance().millisOfSecond().getName());
245         
246         assertEquals(true, GregorianChronology.getInstance().halfdayOfDay().isSupported());
247         assertEquals(true, GregorianChronology.getInstance().clockhourOfHalfday().isSupported());
248         assertEquals(true, GregorianChronology.getInstance().hourOfHalfday().isSupported());
249         assertEquals(true, GregorianChronology.getInstance().clockhourOfDay().isSupported());
250         assertEquals(true, GregorianChronology.getInstance().hourOfDay().isSupported());
251         assertEquals(true, GregorianChronology.getInstance().minuteOfDay().isSupported());
252         assertEquals(true, GregorianChronology.getInstance().minuteOfHour().isSupported());
253         assertEquals(true, GregorianChronology.getInstance().secondOfDay().isSupported());
254         assertEquals(true, GregorianChronology.getInstance().secondOfMinute().isSupported());
255         assertEquals(true, GregorianChronology.getInstance().millisOfDay().isSupported());
256         assertEquals(true, GregorianChronology.getInstance().millisOfSecond().isSupported());
257     }
258
259     public void testMaximumValue() {
260         YearMonthDay ymd1 = new YearMonthDay(1999, DateTimeConstants.FEBRUARY, 1);
261         DateMidnight dm1 = new DateMidnight(1999, DateTimeConstants.FEBRUARY, 1);
262         Chronology chrono = GregorianChronology.getInstance();
263         assertEquals(28, chrono.dayOfMonth().getMaximumValue(ymd1));
264         assertEquals(28, chrono.dayOfMonth().getMaximumValue(dm1.getMillis()));
265     }
266
267 }
268
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