/*
    * Copyright 2018 Andrew Rucker Jones.
    *
    * Licensed 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 com.opencsv.bean.comparator;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.Arrays;
  
  import static org.junit.jupiter.api.Assertions.assertArrayEquals;
  
  @SuppressWarnings("deprecation")
  public class ComparatorTest {
  
      @Test
      public void testComparatorNull() {
          String[] array = new String[]{"abc", null, "bcd", "cde", "def", "xyz", "wxy"};
          Arrays.sort(array, new LiteralComparator<String>(null));
          assertArrayEquals(new String[]{null, "abc", "bcd", "cde", "def", "wxy", "xyz"}, array);
      }
  
      /**
       * Tests a {@link LiteralComparator} with an array of {@link java.lang.Integer}s.
       * <p>Also incidentally tests:</p>
       * <ul><li>Having a null in the data with no null in the comparator</li>
       * <li>Having data otherwise not in the comparator</li></ul>
       */
      @Test
      public void testLiteralComparatorInteger() {
          Integer[] array = new Integer[]{1, 2, 3, 4, 5, 6, null, 12, 10};
          Arrays.sort(array, new LiteralComparator<>(new Integer[]{2, 4, 6, 8, 1, 3, 5, 7}));
          assertArrayEquals(new Integer[]{2, 4, 6, 1, 3, 5, null, 10, 12}, array);
      }
  
      /**
       * Tests a {@link LiteralComparator} with an array of {@link java.lang.String}s.
       * <p>Also incidentally tests:</p>
       * <ul><li>Having a null in the data with a null in the comparator</li></ul>
       */
      @Test
      public void testLiteralComparatorString() {
          String[] array = new String[]{"abc", null, "bcd", "cde", "def", "xyz", "wxy"};
          Arrays.sort(array, new LiteralComparator<>(new String[]{null, "efg", "bcd", "cde", "abc", "def"}));
          assertArrayEquals(new String[]{null, "bcd", "cde", "abc", "def", "wxy", "xyz"}, array);
      }
  }