content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache 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.apache.org/licenses/LICENSE-2.0
   *
   * 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.apache.activemq.artemis.tests.unit.util;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.fail;
  
  import java.util.Iterator;
  import java.util.NoSuchElementException;
  
  import org.apache.activemq.artemis.utils.collections.EmptyList;
  import org.apache.activemq.artemis.utils.collections.LinkedList;
  import org.junit.jupiter.api.Test;
  
  public class EmptyListTest {
  
     @Test
     public void testEmpty() {
        LinkedList<String> stringEmpty = EmptyList.getEmptyList();
        assertEquals(0, stringEmpty.size());
        Iterator<String> stringIterator = stringEmpty.iterator();
        assertFalse(stringIterator.hasNext());
  
        try {
           stringIterator.next();
           fail("Exception expected");
        } catch (NoSuchElementException e) {
        }
  
        try {
           stringEmpty.get(0);
           fail("Exception expected");
        } catch (IndexOutOfBoundsException e) {
        }
     }
  
  }
  