/*
    * 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.lang3;
  
  import static org.junit.jupiter.api.Assertions.assertArrayEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  import java.util.Arrays;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests {@link ArraySorter}.
   */
  public class ArraySorterTest extends AbstractLangTest {
  
      @Test
      public void testSortByteArray() {
          final byte[] array1 = {2, 1};
          final byte[] array2 = array1.clone();
          Arrays.sort(array1);
          assertArrayEquals(array1, ArraySorter.sort(array2));
          assertNull(ArraySorter.sort((byte[]) null));
      }
  
      @Test
      public void testSortCharArray() {
          final char[] array1 = {2, 1};
          final char[] array2 = array1.clone();
          Arrays.sort(array1);
          assertArrayEquals(array1, ArraySorter.sort(array2));
          assertNull(ArraySorter.sort((char[]) null));
      }
  
      @Test
      public void testSortComparable() {
          final String[] array1 = ArrayUtils.toArray("foo", "bar");
          final String[] array2 = array1.clone();
          Arrays.sort(array1);
          assertArrayEquals(array1, ArraySorter.sort(array2, String::compareTo));
          assertNull(ArraySorter.sort((String[]) null));
      }
  
      @Test
      public void testSortDoubleArray() {
          final double[] array1 = {2, 1};
          final double[] array2 = array1.clone();
          Arrays.sort(array1);
          assertArrayEquals(array1, ArraySorter.sort(array2));
          assertNull(ArraySorter.sort((double[]) null));
      }
  
      @Test
      public void testSortFloatArray() {
          final float[] array1 = {2, 1};
          final float[] array2 = array1.clone();
          Arrays.sort(array1);
          assertArrayEquals(array1, ArraySorter.sort(array2));
          assertNull(ArraySorter.sort((float[]) null));
      }
  
      @Test
      public void testSortIntArray() {
          final int[] array1 = {2, 1};
          final int[] array2 = array1.clone();
          Arrays.sort(array1);
          assertArrayEquals(array1, ArraySorter.sort(array2));
          assertNull(ArraySorter.sort((int[]) null));
      }
  
      @Test
      public void testSortLongArray() {
          final long[] array1 = {2, 1};
          final long[] array2 = array1.clone();
          Arrays.sort(array1);
          assertArrayEquals(array1, ArraySorter.sort(array2));
          assertNull(ArraySorter.sort((long[]) null));
      }
  
      @Test
      public void testSortObjects() {
          final String[] array1 = ArrayUtils.toArray("foo", "bar");
          final String[] array2 = array1.clone();
          Arrays.sort(array1);
         assertArrayEquals(array1, ArraySorter.sort(array2));
         assertNull(ArraySorter.sort((String[]) null));
     }
 
     @Test
     public void testSortShortArray() {
         final short[] array1 = {2, 1};
         final short[] array2 = array1.clone();
         Arrays.sort(array1);
         assertArrayEquals(array1, ArraySorter.sort(array2));
         assertNull(ArraySorter.sort((short[]) null));
     }
 
 }