package com.atlassian.plugin.event;
   
   import junit.framework.TestCase;
   
   import java.util.ArrayList;
   import java.util.List;
   
   /**
    * @since 2.3.0
   */
  @SuppressWarnings({"ThrowableResultOfMethodCallIgnored", "ThrowableInstanceNeverThrown"})
  public class TestNotificationException extends TestCase {
      public void testSingletonConstructor() throws Exception {
          Exception cause = new Exception("I don't like it");
          NotificationException notificationException = new NotificationException(cause);
  
          assertEquals(cause, notificationException.getCause());
          assertEquals(1, notificationException.getAllCauses().size());
          assertEquals(cause, notificationException.getAllCauses().get(0));
      }
  
      public void testListConstructor() throws Exception {
          Exception cause1 = new Exception("I don't like it");
          Exception cause2 = new Exception("Me neither");
          final List<Throwable> causes = new ArrayList<Throwable>();
          causes.add(cause1);
          causes.add(cause2);
  
          NotificationException notificationException = new NotificationException(causes);
  
          assertEquals(cause1, notificationException.getCause());
          assertEquals(2, notificationException.getAllCauses().size());
          assertEquals(cause1, notificationException.getAllCauses().get(0));
          assertEquals(cause2, notificationException.getAllCauses().get(1));
      }
  
      public void testListConstructorInvalid() throws Exception {
          try {
              new NotificationException((List) null);
              fail("Expected NullPointerException");
          } catch (NullPointerException e) {
              // Expected.
          }
  
          try {
              new NotificationException(new ArrayList<Throwable>());
              fail("Expected IndexOutOfBoundsException");
          } catch (IndexOutOfBoundsException e) {
              // Expected.
          }
      }
  }