/**
    * Copyright 2005-2011 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.kew.engine.node;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertTrue;
  
  import java.util.List;
  
  import org.junit.Test;
  import org.kuali.rice.kew.test.KEWTestCase;
  
  /**
   * 
   * Tests on functionality within the Branch class.
   *
   */
  public class BranchTest extends KEWTestCase {
  
      private Branch branch;
      
      public BranchTest() {
          super();
      }
      
      @Test public void testBranchStateIsLazyLoadable() {
          branch = new Branch();
          List<BranchState> branchStates = branch.getBranchState();
          assertNotNull("new branchStates should not be null", branchStates);
          assertEquals("new branchStates should be empty", 0, branchStates.size());
          
          //  it should fail with out of bounds error if you try to access an invalid 
          // index directly on the get() method of the List, as we're not using a lazy list
          boolean errorThrown = false;
          try {
              branchStates.get(0);
          }
          catch (IndexOutOfBoundsException e) {
              errorThrown = true;
          }
          assertTrue("An IndexOutOfBoundsException should have been thrown", errorThrown);
          
          //  it should not fail if using the getBranchStates(int index) method
          errorThrown = false;
          try {
              branch.getDocBranchState(0);
          }
          catch (Exception e) {
              errorThrown = true;
          }
          assertFalse("No exception should have been thrown", errorThrown);
          assertEquals("There should now be one element in the list (empty)", 1, branchStates.size());
      }
      
  }