/*
    *  Copyright 2001-2012 Stephen Colebourne
    *
    *  Licensed under the Apache License, Version 2.0 (the "License");
    *  you may not use this file except in compliance with the License.
    *  You may obtain a copy of the License at
    *
    *      http://www.apache.org/licenses/LICENSE-2.0
    *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   */
  package org.joda.time.tz;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutputStream;
  
  import junit.framework.TestCase;
  import junit.framework.TestSuite;
  
  import org.joda.time.DateTimeZone;
  
  /**
   * Test cases for FixedDateTimeZone.
   *
   * @author Stephen Colebourne
   */
  public class TestCachedDateTimeZone extends TestCase {
  
      public static void main(String[] args) {
          junit.textui.TestRunner.run(suite());
      }
  
      public static TestSuite suite() {
          return new TestSuite(TestCachedDateTimeZone.class);
      }
  
      private DateTimeZone originalDateTimeZone = null;
  
      public TestCachedDateTimeZone(String name) {
          super(name);
      }
  
      protected void setUp() throws Exception {
          originalDateTimeZone = DateTimeZone.getDefault();
          DateTimeZone.setDefault(DateTimeZone.UTC);
      }
  
      protected void tearDown() throws Exception {
          DateTimeZone.setDefault(originalDateTimeZone);
      }
  
      public void test_caching() throws Exception {
          CachedDateTimeZone zone1 = CachedDateTimeZone.forZone(DateTimeZone.forID("Europe/Paris"));
          CachedDateTimeZone zone2 = CachedDateTimeZone.forZone(DateTimeZone.forID("Europe/Paris"));
          assertSame(zone1, zone2);
      }
  
      //-----------------------------------------------------------------------
      public void testSerialization() throws Exception {
          CachedDateTimeZone test = CachedDateTimeZone.forZone(DateTimeZone.forID("Europe/Paris"));
          
          ByteArrayOutputStream baos = new ByteArrayOutputStream();
          ObjectOutputStream oos = new ObjectOutputStream(baos);
          oos.writeObject(test);
          byte[] bytes = baos.toByteArray();
          oos.close();
          
          ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
          ObjectInputStream ois = new ObjectInputStream(bais);
          CachedDateTimeZone result = (CachedDateTimeZone) ois.readObject();
          ois.close();
          
          assertEquals(test, result);
      }
  
  }