/*
    * 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.comparators;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Comparator;
  import java.util.List;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests for {@link BooleanComparator}.
   */
  @SuppressWarnings("boxing")
  public class BooleanComparatorTest extends AbstractComparatorTest<Boolean> {
  
      protected void allTests(final boolean trueFirst, final BooleanComparator comp) {
          orderIndependentTests(comp);
          if (trueFirst) {
              trueFirstTests(comp);
          } else {
              falseFirstTests(comp);
          }
      }
  
      protected void falseFirstTests(final BooleanComparator comp) {
          assertNotNull(comp);
          assertEquals(0, comp.compare(true, true));
          assertEquals(0, comp.compare(false, false));
          assertTrue(comp.compare(false, true) < 0);
          assertTrue(comp.compare(true, false) > 0);
      }
  
      @Override
      public List<Boolean> getComparableObjectsOrdered() {
          return new ArrayList<>(Arrays.asList(Boolean.FALSE, Boolean.FALSE, Boolean.FALSE, Boolean.TRUE, Boolean.TRUE,
                  true));
      }
  
  //    public void testCreate() throws Exception {
  //        writeExternalFormToDisk((java.io.Serializable) makeObject(), "src/test/resources/data/test/BooleanComparator.version4.obj");
  //    }
  
      @Override
      public String getCompatibilityVersion() {
          return "4";
      }
  
      @Override
      public Comparator<Boolean> makeObject() {
          return new BooleanComparator();
      }
  
      protected void nullArgumentTests(final BooleanComparator comp) {
          assertNotNull(comp);
          assertThrows(NullPointerException.class, () -> comp.compare(null, null));
          assertThrows(NullPointerException.class, () -> comp.compare(Boolean.TRUE, null));
          assertThrows(NullPointerException.class, () -> comp.compare(Boolean.FALSE, null));
          assertThrows(NullPointerException.class, () -> comp.compare(null, Boolean.TRUE));
          assertThrows(NullPointerException.class, () -> comp.compare(null, Boolean.FALSE));
      }
  
      protected void orderIndependentTests(final BooleanComparator comp) {
          nullArgumentTests(comp);
      }
  
      @Test
      public void testConstructors() {
          allTests(false, new BooleanComparator());
          allTests(false, new BooleanComparator(false));
          allTests(true, new BooleanComparator(true));
      }
  
      @Test
      public void testEqualsCompatibleInstance() {
          assertEquals(new BooleanComparator(), new BooleanComparator(false));
          assertEquals(new BooleanComparator(false), new BooleanComparator(false));
         assertEquals(new BooleanComparator(false), BooleanComparator.getFalseFirstComparator());
         assertSame(BooleanComparator.getFalseFirstComparator(), BooleanComparator.booleanComparator(false));
 
         assertEquals(new BooleanComparator(true), new BooleanComparator(true));
         assertEquals(new BooleanComparator(true), BooleanComparator.getTrueFirstComparator());
         assertSame(BooleanComparator.getTrueFirstComparator(), BooleanComparator.booleanComparator(true));
 
         assertNotEquals(new BooleanComparator(), new BooleanComparator(true));
         assertNotEquals(new BooleanComparator(true), new BooleanComparator(false));
     }
 
     @Test
     public void testStaticFactoryMethods() {
         allTests(false, BooleanComparator.getFalseFirstComparator());
         allTests(false, BooleanComparator.booleanComparator(false));
         allTests(true, BooleanComparator.getTrueFirstComparator());
         allTests(true, BooleanComparator.booleanComparator(true));
     }
 
     protected void trueFirstTests(final BooleanComparator comp) {
         assertNotNull(comp);
         assertEquals(0, comp.compare(true, true));
         assertEquals(0, comp.compare(false, false));
         assertTrue(comp.compare(false, true) > 0);
         assertTrue(comp.compare(true, false) < 0);
     }
 
 }