/*
    *  Copyright 2001-2005 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.lang.reflect.Constructor;
  import java.lang.reflect.Modifier;
  import java.util.Set;
  
  import junit.framework.TestCase;
  import junit.framework.TestSuite;
  
  import org.joda.time.DateTimeZone;
  
  /**
   * This class is a JUnit test for UTCProvider.
   *
   * @author Stephen Colebourne
   */
  public class TestUTCProvider extends TestCase {
  
      private DateTimeZone zone = null;
  
      public static void main(String[] args) {
          junit.textui.TestRunner.run(suite());
      }
  
      public static TestSuite suite() {
          return new TestSuite(TestUTCProvider.class);
      }
  
      public TestUTCProvider(String name) {
          super(name);
      }
  
      //-----------------------------------------------------------------------
      public void testClass() throws Exception {
          Class cls = UTCProvider.class;
          assertEquals(true, Modifier.isPublic(cls.getModifiers()));
          
          Constructor con = cls.getDeclaredConstructor((Class[]) null);
          assertEquals(1, cls.getDeclaredConstructors().length);
          assertEquals(true, Modifier.isPublic(con.getModifiers()));
      }
  
      //-----------------------------------------------------------------------
      public void testGetAvailableIDs() throws Exception {
          Provider p = new UTCProvider();
          Set set = p.getAvailableIDs();
          assertEquals(1, set.size());
          assertEquals("UTC", set.iterator().next());
      }
  
      //-----------------------------------------------------------------------
      public void testGetZone_String() throws Exception {
          Provider p = new UTCProvider();
          assertSame(DateTimeZone.UTC, p.getZone("UTC"));
          assertEquals(null, p.getZone(null));
          assertEquals(null, p.getZone("Europe/London"));
          assertEquals(null, p.getZone("Blah"));
      }
  
  }