/*
    * 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.list;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.commons.collections4.Predicate;
  import org.apache.commons.collections4.functors.TruePredicate;
  import org.junit.jupiter.api.Test;
  
  /**
   * Extension of {@link AbstractListTest} for exercising the
   * {@link PredicatedList} implementation.
   */
  public class PredicatedListTest<E> extends AbstractListTest<E> {
  
      protected Predicate<E> truePredicate = TruePredicate.<E>truePredicate();
  
      protected Predicate<E> testPredicate =
          String.class::isInstance;
  
      public PredicatedListTest() {
          super(PredicatedListTest.class.getSimpleName());
      }
  
      protected List<E> decorateList(final List<E> list, final Predicate<E> predicate) {
          return PredicatedList.predicatedList(list, predicate);
      }
  
      @Override
      public String getCompatibilityVersion() {
          return "4";
      }
  
      @Override
      @SuppressWarnings("unchecked")
      public E[] getFullElements() {
          return (E[]) new Object[] { "1", "3", "5", "7", "2", "4", "6" };
      }
  
      @Override
      public List<E> makeObject() {
          return decorateList(new ArrayList<>(), truePredicate);
      }
  
      public List<E> makeTestList() {
          return decorateList(new ArrayList<>(), testPredicate);
      }
  
      @Test
      @SuppressWarnings("unchecked")
      public void testIllegalAdd() {
          final List<E> list = makeTestList();
          final Integer i = Integer.valueOf(3);
  
          assertThrows(IllegalArgumentException.class, () -> list.add((E) i),
                  "Integer should fail string predicate.");
  
          assertFalse(list.contains(i), "Collection shouldn't contain illegal element");
      }
  
      @Test
      @SuppressWarnings("unchecked")
      public void testIllegalAddAll() {
          final List<E> list = makeTestList();
          final List<E> elements = new ArrayList<>();
          elements.add((E) "one");
          elements.add((E) "two");
          elements.add((E) Integer.valueOf(3));
          elements.add((E) "four");
  
          assertThrows(IllegalArgumentException.class, () -> list.addAll(0, elements),
                  "Integer should fail string predicate.");
  
          assertFalse(list.contains("one"), "List shouldn't contain illegal element");
          assertFalse(list.contains("two"), "List shouldn't contain illegal element");
          assertFalse(list.contains(Integer.valueOf(3)), "List shouldn't contain illegal element");
          assertFalse(list.contains("four"), "List shouldn't contain illegal element");
     }
 
     @Test
     @SuppressWarnings("unchecked")
     public void testIllegalSet() {
         final List<E> list = makeTestList();
         assertThrows(IllegalArgumentException.class, () -> list.set(0, (E) Integer.valueOf(3)),
                 "Integer should fail string predicate.");
     }
 
     @Test
     @SuppressWarnings("unchecked")
     public void testLegalAddAll() {
         final List<E> list = makeTestList();
         list.add((E) "zero");
         final List<E> elements = new ArrayList<>();
         elements.add((E) "one");
         elements.add((E) "two");
         elements.add((E) "three");
         list.addAll(1, elements);
         assertTrue(list.contains("zero"), "List should contain legal element");
         assertTrue(list.contains("one"), "List should contain legal element");
         assertTrue(list.contains("two"), "List should contain legal element");
         assertTrue(list.contains("three"), "List should contain legal element");
     }
 
     @Test
     public void testSubList() {
         final List<E> list = makeTestList();
         list.add((E) "zero");
         //subList without any element of list
         List<E> subList = list.subList(0, 0);
         assertNotNull(subList);
         assertEquals(0, subList.size());
 
         //subList with one element oif list
         subList = list.subList(0, 1);
         assertEquals(1, subList.size());
 
         final List<E> elements = new ArrayList<>();
         elements.add((E) "one");
         elements.add((E) "two");
         elements.add((E) "three");
         list.addAll(1, elements);
         //subList with all elements of list
         subList = list.subList(0, list.size());
         assertEquals(list.size(), subList.size());
     }
 
 //    public void testCreate() throws Exception {
 //        resetEmpty();
 //        writeExternalFormToDisk((java.io.Serializable) getCollection(), "src/test/resources/data/test/PredicatedList.emptyCollection.version4.obj");
 //        resetFull();
 //        writeExternalFormToDisk((java.io.Serializable) getCollection(), "src/test/resources/data/test/PredicatedList.fullCollection.version4.obj");
 //    }
 
 }