package org.opentrafficsim.base.parameters;
   
   import static org.junit.Assert.assertEquals;
   import static org.junit.Assert.assertNotNull;
   import static org.junit.Assert.assertTrue;
   
   import java.util.ArrayList;
   import java.util.List;
   
  import org.opentrafficsim.base.modelproperties.PickList;
  import org.opentrafficsim.base.modelproperties.PickListItem;
  
  /**
   * Test the PickList class and closely related classes.
   * <p>
   * Copyright (c) 2013-2018 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="http://opentrafficsim.org/node/13">OpenTrafficSim License</a>.
   * <p>
   * @version $Revision$, $LastChangedDate$, by $Author$, initial version Aug 16, 2017 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
   * @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
   */
  public class PickTest
  {
  
      /**
       * Test the PickList class.
       * @throws ParameterException if this happens uncaught; this test has failed
       */
      // TODO: The testPickList unit test giver errors!!
      // @Test
      public final void testPickList() throws ParameterException
      {
          PickListItem<String> item1 = new PickListItem<>("id1", "description1", "long description 1");
          assertEquals("can retrieve id", "id1", item1.getId());
          assertEquals("can retrieve display text", "description1", item1.getDisplayText());
          assertEquals("can retrieve description", "long description 1", item1.getDescription());
          assertTrue("toString returns something with PickListItem in it", item1.toString().indexOf("PickListItem") >= 0);
          PickList<String> pl = new PickList<>("id", "description", item1);
          assertEquals("can retrieve id", "id", pl.getId());
          assertEquals("can retrieve description", "description", pl.getDescription());
          assertTrue("toString returns something with PickList in it", pl.toString().indexOf("PickList") >= 0);
          PickListItem<String> item2 = new PickListItem<>("id1", "description2"); // Same id!
          assertEquals("using 2 arg constructor sets description to display text", "description2", item2.getDisplayText());
          assertEquals("using 2 arg constructor sets description to display text", "description2", item2.getDescription());
          try
          {
              pl.addItem(item2);
          }
          catch (ParameterException pe)
          {
              // Ignore expected exception
          }
          item2 = new PickListItem<>("id2", "description2", "long description 2");
          pl.addItem(item2); // should not throw an exception
          String constraintDescription = pl.getConstraint().toString();
          assertNotNull("constraint toString may not be null", constraintDescription);
          assertTrue("constraint toString contains id1", constraintDescription.indexOf("id1") >= 0);
          assertTrue("constraint toString contains id2", constraintDescription.indexOf("id2") >= 0);
  
          pl = new PickList<>("id", "description", item1, item2);
          List<PickListItem<String>> list = new ArrayList<>();
          try
          {
              new PickList<>("idXX", "descriptionXX", list);
          }
          catch (ParameterException pe)
          {
              // Ignore expected exception
          }
          list.add(item1);
          pl = new PickList<>("idXX", "descriptionXX", list);
          assertEquals("can retrieve id", "idXX", pl.getId());
          assertEquals("can retrieve description", "descriptionXX", pl.getDescription());
          assertTrue("toString returns something with PickList in it", pl.toString().indexOf("PickList") >= 0);
      }
  }