/*
    * 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
    *
    *      https://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.lang3.mutable;
  
  import static org.apache.commons.lang3.LangAssertions.assertNullPointerException;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import org.apache.commons.lang3.AbstractLangTest;
  import org.junit.jupiter.api.Test;
  
  /**
   * JUnit tests.
   *
   * @see MutableBoolean
   */
  class MutableBooleanTest extends AbstractLangTest {
  
      @Test
      void testCompareTo() {
          final MutableBoolean mutBool = new MutableBoolean(false);
  
          assertEquals(0, mutBool.compareTo(new MutableBoolean(false)));
          assertEquals(-1, mutBool.compareTo(new MutableBoolean(true)));
          mutBool.setValue(true);
          assertEquals(+1, mutBool.compareTo(new MutableBoolean(false)));
          assertEquals(0, mutBool.compareTo(new MutableBoolean(true)));
      }
  
      @Test
      void testCompareToNull() {
          final MutableBoolean mutBool = new MutableBoolean(false);
          assertNullPointerException(() -> mutBool.compareTo(null));
      }
  
      @Test
      void testConstructorNull() {
          assertNullPointerException(() -> new MutableBoolean(null));
      }
  
      @Test
      void testConstructors() {
          assertFalse(new MutableBoolean().booleanValue());
  
          assertTrue(new MutableBoolean(true).booleanValue());
          assertFalse(new MutableBoolean(false).booleanValue());
  
          assertTrue(new MutableBoolean(Boolean.TRUE).booleanValue());
          assertFalse(new MutableBoolean(Boolean.FALSE).booleanValue());
  
      }
  
      @Test
      void testEquals() {
          final MutableBoolean mutBoolA = new MutableBoolean(false);
          final MutableBoolean mutBoolB = new MutableBoolean(false);
          final MutableBoolean mutBoolC = new MutableBoolean(true);
  
          assertEquals(mutBoolA, mutBoolA);
          assertEquals(mutBoolA, mutBoolB);
          assertEquals(mutBoolB, mutBoolA);
          assertEquals(mutBoolB, mutBoolB);
          assertNotEquals(mutBoolA, mutBoolC);
          assertNotEquals(mutBoolB, mutBoolC);
          assertEquals(mutBoolC, mutBoolC);
          assertNotEquals(null, mutBoolA);
          assertNotEquals(mutBoolA, Boolean.FALSE);
          assertNotEquals("false", mutBoolA);
      }
  
      @Test
      void testGetSet() {
          assertFalse(new MutableBoolean().booleanValue());
          assertEquals(Boolean.FALSE, new MutableBoolean().get());
          assertEquals(Boolean.FALSE, new MutableBoolean().getValue());
  
          final MutableBoolean mutBool = new MutableBoolean(false);
          assertEquals(Boolean.FALSE, mutBool.toBoolean());
          assertFalse(mutBool.booleanValue());
          assertTrue(mutBool.isFalse());
          assertFalse(mutBool.isTrue());
  
         mutBool.setValue(Boolean.TRUE);
         assertEquals(Boolean.TRUE, mutBool.toBoolean());
         assertTrue(mutBool.booleanValue());
         assertFalse(mutBool.isFalse());
         assertTrue(mutBool.isTrue());
 
         mutBool.setValue(false);
         assertFalse(mutBool.booleanValue());
 
         mutBool.setValue(true);
         assertTrue(mutBool.booleanValue());
 
         mutBool.setFalse();
         assertFalse(mutBool.booleanValue());
 
         mutBool.setTrue();
         assertTrue(mutBool.booleanValue());
 
     }
 
     @Test
     void testHashCode() {
         final MutableBoolean mutBoolA = new MutableBoolean(false);
         final MutableBoolean mutBoolB = new MutableBoolean(false);
         final MutableBoolean mutBoolC = new MutableBoolean(true);
 
         assertEquals(mutBoolA.hashCode(), mutBoolA.hashCode());
         assertEquals(mutBoolA.hashCode(), mutBoolB.hashCode());
         assertNotEquals(mutBoolA.hashCode(), mutBoolC.hashCode());
         assertEquals(mutBoolA.hashCode(), Boolean.FALSE.hashCode());
         assertEquals(mutBoolC.hashCode(), Boolean.TRUE.hashCode());
     }
 
     @Test
     void testSetNull() {
         final MutableBoolean mutBool = new MutableBoolean(false);
         assertNullPointerException(() -> mutBool.setValue(null));
     }
 
     @Test
     void testToString() {
         assertEquals(Boolean.FALSE.toString(), new MutableBoolean(false).toString());
         assertEquals(Boolean.TRUE.toString(), new MutableBoolean(true).toString());
     }
 
 }