/*
    * 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.commons.collections4.set;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * Extension of {@link AbstractSetTest} for exercising the {@link ListOrderedSet}
   * implementation.
   */
  public class ListOrderedSet2Test<E> extends AbstractSetTest<E> {
  
      private static final Integer ZERO = Integer.valueOf(0);
      private static final Integer ONE = Integer.valueOf(1);
      private static final Integer TWO = Integer.valueOf(2);
      private static final Integer THREE = Integer.valueOf(3);
  
      @Override
      public String getCompatibilityVersion() {
          return "4";
      }
  
      @Override
      public ListOrderedSet<E> makeObject() {
          return new ListOrderedSet<>();
      }
  
      @SuppressWarnings("unchecked")
      protected ListOrderedSet<E> setupSet() {
          final ListOrderedSet<E> set = makeObject();
  
          for (int i = 0; i < 10; i++) {
              set.add((E) Integer.toString(i));
          }
          return set;
      }
  
      @Test
      @SuppressWarnings("unchecked")
      public void testListAddIndexed() {
          final ListOrderedSet<E> set = makeObject();
          set.add((E) ZERO);
          set.add((E) TWO);
  
          set.add(1, (E) ONE);
          assertEquals(3, set.size());
          assertSame(ZERO, set.get(0));
          assertSame(ONE, set.get(1));
          assertSame(TWO, set.get(2));
  
          set.add(0, (E) ONE);
          assertEquals(3, set.size());
          assertSame(ZERO, set.get(0));
          assertSame(ONE, set.get(1));
          assertSame(TWO, set.get(2));
  
          final List<E> list = new ArrayList<>();
          list.add((E) ZERO);
          list.add((E) TWO);
  
          set.addAll(0, list);
          assertEquals(3, set.size());
          assertSame(ZERO, set.get(0));
          assertSame(ONE, set.get(1));
          assertSame(TWO, set.get(2));
  
          list.add(0, (E) THREE); // list = [3,0,2]
          set.remove(TWO);    //  set = [0,1]
          set.addAll(1, list);
          assertEquals(4, set.size());
          assertSame(ZERO, set.get(0));
          assertSame(THREE, set.get(1));
          assertSame(TWO, set.get(2));
          assertSame(ONE, set.get(3));
      }
  
      @Test
     @SuppressWarnings("unchecked")
     public void testListAddRemove() {
         final ListOrderedSet<E> set = makeObject();
         final List<E> view = set.asList();
         set.add((E) ZERO);
         set.add((E) ONE);
         set.add((E) TWO);
 
         assertEquals(3, set.size());
         assertSame(ZERO, set.get(0));
         assertSame(ONE, set.get(1));
         assertSame(TWO, set.get(2));
         assertEquals(3, view.size());
         assertSame(ZERO, view.get(0));
         assertSame(ONE, view.get(1));
         assertSame(TWO, view.get(2));
 
         assertEquals(0, set.indexOf(ZERO));
         assertEquals(1, set.indexOf(ONE));
         assertEquals(2, set.indexOf(TWO));
 
         set.remove(1);
         assertEquals(2, set.size());
         assertSame(ZERO, set.get(0));
         assertSame(TWO, set.get(1));
         assertEquals(2, view.size());
         assertSame(ZERO, view.get(0));
         assertSame(TWO, view.get(1));
     }
 
     @Test
     @SuppressWarnings("unchecked")
     public void testOrdering() {
         final ListOrderedSet<E> set = setupSet();
         Iterator<E> it = set.iterator();
 
         for (int i = 0; i < 10; i++) {
             assertEquals(Integer.toString(i), it.next(), "Sequence is wrong");
         }
 
         for (int i = 0; i < 10; i += 2) {
             assertTrue(set.remove(Integer.toString(i)), "Must be able to remove int");
         }
 
         it = set.iterator();
         for (int i = 1; i < 10; i += 2) {
             assertEquals(Integer.toString(i), it.next(), "Sequence is wrong after remove ");
         }
 
         for (int i = 0; i < 10; i++) {
             set.add((E) Integer.toString(i));
         }
 
         assertEquals(10, set.size(), "Size of set is wrong!");
 
         it = set.iterator();
         for (int i = 1; i < 10; i += 2) {
             assertEquals(Integer.toString(i), it.next(), "Sequence is wrong");
         }
         for (int i = 0; i < 10; i += 2) {
             assertEquals(Integer.toString(i), it.next(), "Sequence is wrong");
         }
     }
 
 //    public void testCreate() throws Exception {
 //        resetEmpty();
 //        writeExternalFormToDisk((java.io.Serializable) collection, "D:/dev/collections/data/test/ListOrderedSet.emptyCollection.version3.1.obj");
 //        resetFull();
 //        writeExternalFormToDisk((java.io.Serializable) collection, "D:/dev/collections/data/test/ListOrderedSet.fullCollection.version3.1.obj");
 //    }
 
 }