001    /*
002     *  Copyright 2001-2012 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.tz;
017    
018    import java.io.ByteArrayInputStream;
019    import java.io.ByteArrayOutputStream;
020    import java.io.ObjectInputStream;
021    import java.io.ObjectOutputStream;
022    
023    import junit.framework.TestCase;
024    import junit.framework.TestSuite;
025    
026    import org.joda.time.DateTimeZone;
027    
028    /**
029     * Test cases for FixedDateTimeZone.
030     *
031     * @author Stephen Colebourne
032     */
033    public class TestCachedDateTimeZone extends TestCase {
034    
035        public static void main(String[] args) {
036            junit.textui.TestRunner.run(suite());
037        }
038    
039        public static TestSuite suite() {
040            return new TestSuite(TestCachedDateTimeZone.class);
041        }
042    
043        private DateTimeZone originalDateTimeZone = null;
044    
045        public TestCachedDateTimeZone(String name) {
046            super(name);
047        }
048    
049        protected void setUp() throws Exception {
050            originalDateTimeZone = DateTimeZone.getDefault();
051            DateTimeZone.setDefault(DateTimeZone.UTC);
052        }
053    
054        protected void tearDown() throws Exception {
055            DateTimeZone.setDefault(originalDateTimeZone);
056        }
057    
058        public void test_caching() throws Exception {
059            CachedDateTimeZone zone1 = CachedDateTimeZone.forZone(DateTimeZone.forID("Europe/Paris"));
060            CachedDateTimeZone zone2 = CachedDateTimeZone.forZone(DateTimeZone.forID("Europe/Paris"));
061            assertSame(zone1, zone2);
062        }
063    
064        //-----------------------------------------------------------------------
065        public void testSerialization() throws Exception {
066            CachedDateTimeZone test = CachedDateTimeZone.forZone(DateTimeZone.forID("Europe/Paris"));
067            
068            ByteArrayOutputStream baos = new ByteArrayOutputStream();
069            ObjectOutputStream oos = new ObjectOutputStream(baos);
070            oos.writeObject(test);
071            byte[] bytes = baos.toByteArray();
072            oos.close();
073            
074            ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
075            ObjectInputStream ois = new ObjectInputStream(bais);
076            CachedDateTimeZone result = (CachedDateTimeZone) ois.readObject();
077            ois.close();
078            
079            assertEquals(test, result);
080        }
081    
082    }