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  package org.apache.cayenne.map.event;
  
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertTrue;
  
  /**
   */
  public class MapEventTest {
  
      @Test
      public void testNoNameChange() throws Exception {
          MapEvent event = new MapEventFixture(new Object(), "someName");
          assertEquals("someName", event.getNewName());
          assertFalse(event.isNameChange());
      }
  
      @Test
      public void testNameChange() throws Exception {
          MapEvent event = new MapEventFixture(new Object(), "someName", "someOldName");
          assertEquals("someName", event.getNewName());
          assertTrue(event.isNameChange());
      }
  
      @Test
      public void testOldName() throws Exception {
          MapEvent event = new MapEventFixture(new Object(), "someName");
          assertNull(event.getOldName());
  
          event.setOldName("oldName");
          assertEquals("oldName", event.getOldName());
      }
  
      final class MapEventFixture extends MapEvent {
  
          String newName;
  
          public MapEventFixture(Object source, String newName) {
              super(source);
              this.newName = newName;
          }
  
          public MapEventFixture(Object source, String newName, String oldName) {
              super(source, oldName);
              this.newName = newName;
          }
  
          @Override
          public String getNewName() {
              return newName;
          }
      }
  }
  