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Java > Open Source Codes > org > joda > time > convert > TestReadableInstantConverter


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.convert;
17
18 import java.lang.reflect.Constructor JavaDoc;
19 import java.lang.reflect.Field JavaDoc;
20 import java.lang.reflect.Modifier JavaDoc;
21 import java.util.Arrays JavaDoc;
22
23 import junit.framework.TestCase;
24 import junit.framework.TestSuite;
25
26 import org.joda.time.Chronology;
27 import org.joda.time.DateTime;
28 import org.joda.time.DateTimeZone;
29 import org.joda.time.Instant;
30 import org.joda.time.MutableDateTime;
31 import org.joda.time.ReadableInstant;
32 import org.joda.time.TimeOfDay;
33 import org.joda.time.chrono.ISOChronology;
34 import org.joda.time.chrono.JulianChronology;
35
36 /**
37  * This class is a Junit unit test for ReadableInstantConverter.
38  *
39  * @author Stephen Colebourne
40  */
41 public class TestReadableInstantConverter extends TestCase {
42
43     private static final DateTimeZone UTC = DateTimeZone.UTC;
44     private static final DateTimeZone PARIS = DateTimeZone.forID("Europe/Paris");
45     private static final Chronology ISO_PARIS = ISOChronology.getInstance(PARIS);
46     private static Chronology JULIAN;
47     private static Chronology ISO;
48     
49     private DateTimeZone zone = null;
50
51     public static void main(String JavaDoc[] args) {
52         junit.textui.TestRunner.run(suite());
53     }
54
55     public static TestSuite suite() {
56         return new TestSuite(TestReadableInstantConverter.class);
57     }
58
59     public TestReadableInstantConverter(String JavaDoc name) {
60         super(name);
61     }
62
63     protected void setUp() throws Exception JavaDoc {
64         JULIAN = JulianChronology.getInstance();
65         ISO = ISOChronology.getInstance();
66     }
67
68     //-----------------------------------------------------------------------
69 public void testSingleton() throws Exception JavaDoc {
70         Class JavaDoc cls = ReadableInstantConverter.class;
71         assertEquals(false, Modifier.isPublic(cls.getModifiers()));
72         assertEquals(false, Modifier.isProtected(cls.getModifiers()));
73         assertEquals(false, Modifier.isPrivate(cls.getModifiers()));
74         
75         Constructor JavaDoc con = cls.getDeclaredConstructor((Class JavaDoc[]) null);
76         assertEquals(1, cls.getDeclaredConstructors().length);
77         assertEquals(true, Modifier.isProtected(con.getModifiers()));
78         
79         Field JavaDoc fld = cls.getDeclaredField("INSTANCE");
80         assertEquals(false, Modifier.isPublic(fld.getModifiers()));
81         assertEquals(false, Modifier.isProtected(fld.getModifiers()));
82         assertEquals(false, Modifier.isPrivate(fld.getModifiers()));
83     }
84
85     //-----------------------------------------------------------------------
86 public void testSupportedType() throws Exception JavaDoc {
87         assertEquals(ReadableInstant.class, ReadableInstantConverter.INSTANCE.getSupportedType());
88     }
89
90     //-----------------------------------------------------------------------
91 public void testGetInstantMillis_Object_Chronology() throws Exception JavaDoc {
92         assertEquals(123L, ReadableInstantConverter.INSTANCE.getInstantMillis(new Instant(123L), JULIAN));
93         assertEquals(123L, ReadableInstantConverter.INSTANCE.getInstantMillis(new DateTime(123L), JULIAN));
94         assertEquals(123L, ReadableInstantConverter.INSTANCE.getInstantMillis(new Instant(123L), (Chronology) null));
95         assertEquals(123L, ReadableInstantConverter.INSTANCE.getInstantMillis(new DateTime(123L), (Chronology) null));
96     }
97
98     //-----------------------------------------------------------------------
99 public void testGetChronology_Object_Zone() throws Exception JavaDoc {
100         assertEquals(ISO_PARIS, ReadableInstantConverter.INSTANCE.getChronology(new Instant(123L), PARIS));
101         assertEquals(ISO_PARIS, ReadableInstantConverter.INSTANCE.getChronology(new DateTime(123L), PARIS));
102         assertEquals(ISO, ReadableInstantConverter.INSTANCE.getChronology(new Instant(123L), DateTimeZone.getDefault()));
103         assertEquals(ISO, ReadableInstantConverter.INSTANCE.getChronology(new DateTime(123L), DateTimeZone.getDefault()));
104         assertEquals(ISO, ReadableInstantConverter.INSTANCE.getChronology(new Instant(123L), (DateTimeZone) null));
105         assertEquals(ISO, ReadableInstantConverter.INSTANCE.getChronology(new DateTime(123L), (DateTimeZone) null));
106         
107         assertEquals(ISO_PARIS, ReadableInstantConverter.INSTANCE.getChronology(new DateTime(123L, new MockBadChronology()), PARIS));
108         
109         MutableDateTime mdt = new MutableDateTime() {
110             public Chronology getChronology() {
111                 return null; // bad
112 }
113         };
114         assertEquals(ISO_PARIS, ReadableInstantConverter.INSTANCE.getChronology(mdt, PARIS));
115     }
116
117     public void testGetChronology_Object_nullChronology() throws Exception JavaDoc {
118         assertEquals(ISO.withUTC(), ReadableInstantConverter.INSTANCE.getChronology(new Instant(123L), (Chronology) null));
119         assertEquals(ISO, ReadableInstantConverter.INSTANCE.getChronology(new DateTime(123L), (Chronology) null));
120         
121         MutableDateTime mdt = new MutableDateTime() {
122             public Chronology getChronology() {
123                 return null; // bad
124 }
125         };
126         assertEquals(ISO, ReadableInstantConverter.INSTANCE.getChronology(mdt, (Chronology) null));
127     }
128
129     public void testGetChronology_Object_Chronology() throws Exception JavaDoc {
130         assertEquals(JULIAN, ReadableInstantConverter.INSTANCE.getChronology(new Instant(123L), JULIAN));
131         assertEquals(JULIAN, ReadableInstantConverter.INSTANCE.getChronology(new DateTime(123L), JULIAN));
132     }
133
134     //-----------------------------------------------------------------------
135 public void testGetPartialValues() throws Exception JavaDoc {
136         TimeOfDay tod = new TimeOfDay();
137         int[] expected = ISOChronology.getInstance().get(tod, 12345678L);
138         int[] actual = ReadableInstantConverter.INSTANCE.getPartialValues(tod, new Instant(12345678L), ISOChronology.getInstance());
139         assertEquals(true, Arrays.equals(expected, actual));
140     }
141
142     //-----------------------------------------------------------------------
143 public void testToString() {
144         assertEquals("Converter[org.joda.time.ReadableInstant]", ReadableInstantConverter.INSTANCE.toString());
145     }
146
147 }
148
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