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    * 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
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  package org.apache.commons.text.similarity;
  
  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 org.junit.jupiter.api.Test;
  
  class LevenshteinResultsTest {
  
      @Test
      void testEqualsDifferenceInSubstitutionCount() {
          final Integer integer = 1662;
          final LevenshteinResults levenshteinResults = new LevenshteinResults(integer, integer, integer, integer);
          final LevenshteinResults levenshteinResultsTwo = new LevenshteinResults(integer, integer, integer, null);
          assertNotEquals(levenshteinResults, levenshteinResultsTwo);
      }
  
      @Test
      void testEqualsDifferentDistance() {
          final Integer integerOne = 1662;
          final Integer integerTwo = 1164;
          final LevenshteinResults levenshteinResults = new LevenshteinResults(integerOne, integerOne, integerOne, integerOne);
          final LevenshteinResults levenshteinResultsTwo = new LevenshteinResults(integerTwo, integerOne, integerOne, integerOne);
          assertNotEquals(levenshteinResults, levenshteinResultsTwo);
      }
  
      @Test
      void testEqualsReturningFalse() {
          final Integer integerOne = 1662;
          final Integer integerTwo = 1164;
          final LevenshteinResults levenshteinResults = new LevenshteinResults(integerOne, integerOne, integerOne, integerOne);
          final LevenshteinResults levenshteinResultsTwo = new LevenshteinResults(integerOne, integerOne, integerTwo, integerTwo);
          assertNotEquals(levenshteinResults, levenshteinResultsTwo);
      }
  
      @Test
      void testEqualsSameObject() {
          final Integer integer = 1662;
          final LevenshteinResults levenshteinResults = new LevenshteinResults(integer, integer, integer, null);
          assertEquals(levenshteinResults, levenshteinResults);
      }
  
      @Test
      void testEqualsWithDifferentObject() {
          final Integer integer = -647;
          final LevenshteinResults levenshteinResults = new LevenshteinResults(integer, null, null, integer);
          assertFalse(levenshteinResults.equals("Test"));
      }
  
      @Test
      void testEqualsWithNonNull() {
          final Integer integer = 1;
          final LevenshteinResults levenshteinResults = new LevenshteinResults(null, integer, integer, null);
          final LevenshteinResults levenshteinResultsTwo = new LevenshteinResults(null, null, null, null);
          assertNotEquals(levenshteinResults, levenshteinResultsTwo);
      }
  
      @Test
      void testEqualsWithNull() {
          final Integer integer = -647;
          final LevenshteinResults levenshteinResults = new LevenshteinResults(integer, null, null, integer);
          assertFalse(levenshteinResults.equals(null));
      }
  
  }