001    /*
002     *  Copyright 2001-2005 Stephen Colebourne
003     *
004     *  Licensed under the Apache License, Version 2.0 (the "License");
005     *  you may not use this file except in compliance with the License.
006     *  You may obtain a copy of the License at
007     *
008     *      http://www.apache.org/licenses/LICENSE-2.0
009     *
010     *  Unless required by applicable law or agreed to in writing, software
011     *  distributed under the License is distributed on an "AS IS" BASIS,
012     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     *  See the License for the specific language governing permissions and
014     *  limitations under the License.
015     */
016    package org.joda.time.convert;
017    
018    import java.lang.reflect.Constructor;
019    import java.lang.reflect.Field;
020    import java.lang.reflect.Modifier;
021    import java.util.Arrays;
022    
023    import junit.framework.TestCase;
024    import junit.framework.TestSuite;
025    
026    import org.joda.time.Chronology;
027    import org.joda.time.DateTime;
028    import org.joda.time.DateTimeZone;
029    import org.joda.time.Instant;
030    import org.joda.time.MutableDateTime;
031    import org.joda.time.ReadableInstant;
032    import org.joda.time.TimeOfDay;
033    import org.joda.time.chrono.ISOChronology;
034    import org.joda.time.chrono.JulianChronology;
035    
036    /**
037     * This class is a Junit unit test for ReadableInstantConverter.
038     *
039     * @author Stephen Colebourne
040     */
041    public class TestReadableInstantConverter extends TestCase {
042    
043        private static final DateTimeZone UTC = DateTimeZone.UTC;
044        private static final DateTimeZone PARIS = DateTimeZone.forID("Europe/Paris");
045        private static final Chronology ISO_PARIS = ISOChronology.getInstance(PARIS);
046        private static Chronology JULIAN;
047        private static Chronology ISO;
048        
049        private DateTimeZone zone = null;
050    
051        public static void main(String[] args) {
052            junit.textui.TestRunner.run(suite());
053        }
054    
055        public static TestSuite suite() {
056            return new TestSuite(TestReadableInstantConverter.class);
057        }
058    
059        public TestReadableInstantConverter(String name) {
060            super(name);
061        }
062    
063        protected void setUp() throws Exception {
064            JULIAN = JulianChronology.getInstance();
065            ISO = ISOChronology.getInstance();
066        }
067    
068        //-----------------------------------------------------------------------
069        public void testSingleton() throws Exception {
070            Class cls = ReadableInstantConverter.class;
071            assertEquals(false, Modifier.isPublic(cls.getModifiers()));
072            assertEquals(false, Modifier.isProtected(cls.getModifiers()));
073            assertEquals(false, Modifier.isPrivate(cls.getModifiers()));
074            
075            Constructor con = cls.getDeclaredConstructor((Class[]) null);
076            assertEquals(1, cls.getDeclaredConstructors().length);
077            assertEquals(true, Modifier.isProtected(con.getModifiers()));
078            
079            Field fld = cls.getDeclaredField("INSTANCE");
080            assertEquals(false, Modifier.isPublic(fld.getModifiers()));
081            assertEquals(false, Modifier.isProtected(fld.getModifiers()));
082            assertEquals(false, Modifier.isPrivate(fld.getModifiers()));
083        }
084    
085        //-----------------------------------------------------------------------
086        public void testSupportedType() throws Exception {
087            assertEquals(ReadableInstant.class, ReadableInstantConverter.INSTANCE.getSupportedType());
088        }
089    
090        //-----------------------------------------------------------------------
091        public void testGetInstantMillis_Object_Chronology() throws Exception {
092            assertEquals(123L, ReadableInstantConverter.INSTANCE.getInstantMillis(new Instant(123L), JULIAN));
093            assertEquals(123L, ReadableInstantConverter.INSTANCE.getInstantMillis(new DateTime(123L), JULIAN));
094            assertEquals(123L, ReadableInstantConverter.INSTANCE.getInstantMillis(new Instant(123L), (Chronology) null));
095            assertEquals(123L, ReadableInstantConverter.INSTANCE.getInstantMillis(new DateTime(123L), (Chronology) null));
096        }
097    
098        //-----------------------------------------------------------------------
099        public void testGetChronology_Object_Zone() throws Exception {
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 {
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 {
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 {
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    }