/*
    *  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.convert;
  
  import java.lang.reflect.Constructor;
  import java.lang.reflect.Field;
  import java.lang.reflect.Modifier;
  
  import junit.framework.TestCase;
  import junit.framework.TestSuite;
  
  import org.joda.time.Chronology;
  import org.joda.time.DateTimeConstants;
  import org.joda.time.DateTimeZone;
  import org.joda.time.Duration;
  import org.joda.time.PeriodType;
  import org.joda.time.MutablePeriod;
  import org.joda.time.ReadableDuration;
  import org.joda.time.chrono.ISOChronology;
  import org.joda.time.chrono.JulianChronology;
  
  /**
   * This class is a Junit unit test for ReadableDurationConverter.
   *
   * @author Stephen Colebourne
   */
  public class TestReadableDurationConverter extends TestCase {
  
      private static final DateTimeZone UTC = DateTimeZone.UTC;
      private static final DateTimeZone PARIS = DateTimeZone.forID("Europe/Paris");
      private static final Chronology ISO_PARIS = ISOChronology.getInstance(PARIS);
      private static Chronology JULIAN;
      private static Chronology ISO;
      
      private DateTimeZone zone = null;
  
      public static void main(String[] args) {
          junit.textui.TestRunner.run(suite());
      }
  
      public static TestSuite suite() {
          return new TestSuite(TestReadableDurationConverter.class);
      }
  
      public TestReadableDurationConverter(String name) {
          super(name);
      }
  
      @Override
      protected void setUp() throws Exception {
          super.setUp();
          JULIAN = JulianChronology.getInstance();
          ISO = ISOChronology.getInstance();
          zone = DateTimeZone.getDefault();
          DateTimeZone.setDefault(PARIS);
      }
  
      @Override
      protected void tearDown() throws Exception {
          super.tearDown();
          DateTimeZone.setDefault(zone);
      }
  
      //-----------------------------------------------------------------------
      public void testSingleton() throws Exception {
          Class cls = ReadableDurationConverter.class;
          assertEquals(false, Modifier.isPublic(cls.getModifiers()));
          assertEquals(false, Modifier.isProtected(cls.getModifiers()));
          assertEquals(false, Modifier.isPrivate(cls.getModifiers()));
          
          Constructor con = cls.getDeclaredConstructor((Class[]) null);
          assertEquals(1, cls.getDeclaredConstructors().length);
          assertEquals(true, Modifier.isProtected(con.getModifiers()));
          
          Field fld = cls.getDeclaredField("INSTANCE");
          assertEquals(false, Modifier.isPublic(fld.getModifiers()));
          assertEquals(false, Modifier.isProtected(fld.getModifiers()));
          assertEquals(false, Modifier.isPrivate(fld.getModifiers()));
      }
  
      //-----------------------------------------------------------------------
      public void testSupportedType() throws Exception {
          assertEquals(ReadableDuration.class, ReadableDurationConverter.INSTANCE.getSupportedType());
      }
  
      //-----------------------------------------------------------------------
     public void testGetDurationMillis_Object() throws Exception {
         assertEquals(123L, ReadableDurationConverter.INSTANCE.getDurationMillis(new Duration(123L)));
     }
 
     //-----------------------------------------------------------------------
     public void testGetPeriodType_Object() throws Exception {
         assertEquals(PeriodType.standard(),
             ReadableDurationConverter.INSTANCE.getPeriodType(new Duration(123L)));
     }
 
     public void testSetInto_Object() throws Exception {
         MutablePeriod m = new MutablePeriod(PeriodType.yearMonthDayTime());
         ReadableDurationConverter.INSTANCE.setInto(m, new Duration(
             3L * DateTimeConstants.MILLIS_PER_DAY +
             4L * DateTimeConstants.MILLIS_PER_MINUTE + 5L
         ), null);
         assertEquals(0, m.getYears());
         assertEquals(0, m.getMonths());
         assertEquals(0, m.getWeeks());
         assertEquals(0, m.getDays());
         assertEquals(3 * 24, m.getHours());
         assertEquals(4, m.getMinutes());
         assertEquals(0, m.getSeconds());
         assertEquals(5, m.getMillis());
     }
 
     //-----------------------------------------------------------------------
     public void testToString() {
         assertEquals("Converter[org.joda.time.ReadableDuration]", ReadableDurationConverter.INSTANCE.toString());
     }
 
 }