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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.atlas.repository.impexp;
  
  import org.apache.atlas.repository.util.UniqueList;
  import org.testng.annotations.BeforeClass;
  import org.testng.annotations.Test;
  
  import static org.testng.Assert.assertEquals;
  
  public class UniqueListTest {
      private final String             firstElement = "firstElement";
      private       UniqueList<String> uniqueList;
  
      @BeforeClass
      public void setup() {
          uniqueList = new UniqueList();
          uniqueList.add(firstElement);
          uniqueList.add("def");
          uniqueList.add("firstElement");
          uniqueList.add("ghi");
      }
  
      @Test
      public void add3Elements_ListHas2() {
          assertEquals(3, uniqueList.size());
      }
  
      @Test
      public void addAllList_ListHas2() {
          UniqueList<String> uniqueList2 = new UniqueList<>();
          uniqueList2.addAll(uniqueList);
  
          assertEquals(3, uniqueList2.size());
      }
  
      @Test
      public void attemptClear_SizeIsZero() {
          UniqueList<String> uniqueList2 = new UniqueList<>();
          uniqueList2.addAll(uniqueList);
          uniqueList2.clear();
  
          assertEquals(0, uniqueList2.size());
      }
  
      @Test
      public void attemptOneRemove_SizeIsReduced() {
          UniqueList<String> uniqueList2 = new UniqueList<>();
          uniqueList2.addAll(uniqueList);
          String removedElement = uniqueList2.remove(0);
  
          assertEquals(2, uniqueList2.size());
          assertEquals(firstElement, removedElement);
      }
  }
  