package org.opentrafficsim.core.gtu;
   
   import static org.junit.Assert.assertEquals;
   import static org.junit.Assert.assertNotNull;
   import static org.junit.Assert.assertTrue;
   import static org.junit.Assert.fail;
   
   import org.djutils.exceptions.Throw;
   import org.junit.Test;
  
  /**
   * Test the GTUException class.
   * <p>
   * Copyright (c) 2013-2019 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/docs/current/license.html">OpenTrafficSim License</a>.
   * <p>
   * @version $Revision$, $LastChangedDate$, by $Author$, initial version Mar 11, 2016 <br>
   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
   */
  public class GTUExceptionTest
  {
  
      /**
       * Test the GTUException class.
       */
      @Test
      public final void gtuExceptionTest()
      {
          GTUException e = new GTUException();
          assertNotNull("result should not be null", e);
          String message = "test message";
          e = new GTUException(message);
          assertEquals("message should be " + message, message, e.getMessage());
          String causeMessage = "cause message";
          Throwable cause = new Throwable(causeMessage);
          e = new GTUException(cause);
          assertEquals("cause message should be" + causeMessage, causeMessage, e.getCause().getMessage());
          e = new GTUException(message, cause);
          assertEquals("message should be " + message, message, e.getMessage());
          assertEquals("cause message should be" + causeMessage, causeMessage, e.getCause().getMessage());
          e = new GTUException(message, cause, false, false);
          assertEquals("message should be " + message, message, e.getMessage());
          assertEquals("cause message should be" + causeMessage, causeMessage, e.getCause().getMessage());
          // TODO check that the values of enableSuppresion and writableStackTrace are correctly reflected in e
          e = new GTUException(message, cause, false, true);
          assertEquals("message should be " + message, message, e.getMessage());
          assertEquals("cause message should be" + causeMessage, causeMessage, e.getCause().getMessage());
          e = new GTUException(message, cause, true, false);
          assertEquals("message should be " + message, message, e.getMessage());
          assertEquals("cause message should be" + causeMessage, causeMessage, e.getCause().getMessage());
          e = new GTUException(message, cause, true, true);
          assertEquals("message should be " + message, message, e.getMessage());
          assertEquals("cause message should be" + causeMessage, causeMessage, e.getCause().getMessage());
      }
  
      /**
       * Test the throwIf method.
       * @throws GTUException should not happen (this test has failed if it does)
       */
      @Test
      public final void throwIfTest() throws GTUException
      {
          String message = "message";
          try
          {
              Throw.when(true, GTUException.class, message);
              fail("Previous statement should have thrown a GTUException");
          }
          catch (GTUException e)
          {
              assertTrue(e.getMessage().endsWith(message));
          }
  
          Throw.when(false, GTUException.class, message);
      }
  }