assertThat(input).isEqualTo(expectedOutput);
  }

  private static void testSortDescending(
      byte[] input, int fromIndex, int toIndex, byte[] expectedOutput) {
    input = Arrays.copyOf(input, input.length);
    SignedBytes.sortDescending(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testSortDescendingIndexed() {

    Doubles.reverse(input);
    assertThat(input).isEqualTo(expectedOutput);
  }

  private static void testReverse(
      double[] input, int fromIndex, int toIndex, double[] expectedOutput) {
    input = Arrays.copyOf(input, input.length);
    Doubles.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {

    }

    @Override
    public ListIterator<T> listIterator(int index) {
      return standardListIterator(index);
    }

    @Override
    public List<T> subList(int fromIndex, int toIndex) {
      return standardSubList(fromIndex, toIndex);
    }
  }

  @AndroidIncompatible // test-suite builders
  public static Test suite() {
    TestSuite suite = new TestSuite();

    Ints.reverse(input);
    assertThat(input).isEqualTo(expectedOutput);
  }

  private static void testReverse(int[] input, int fromIndex, int toIndex, int[] expectedOutput) {
    input = Arrays.copyOf(input, input.length);
    Ints.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {
    testReverse(new int[] {}, 0, 0, new int[] {});

    Bytes.reverse(input);
    assertThat(input).isEqualTo(expectedOutput);
  }

  private static void testReverse(byte[] input, int fromIndex, int toIndex, byte[] expectedOutput) {
    input = Arrays.copyOf(input, input.length);
    Bytes.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {

        if (size == 0) {
            return docs; // empty
        }
        int fromIndex = startPosition;
        if (fromIndex >= size) {
            fromIndex = size - 1;
        }
        int toIndex = startPosition + pageSize;
        if (toIndex >= size) {
            toIndex = size;
        }
        return docs.subList(fromIndex, toIndex);
    }

    /**

        }

        public ListIterator<E> listIterator(final int index) {
            return parent.listIterator(index);
        }

        public List<E> subList(final int fromIndex, final int toIndex) {
            return parent.subList(fromIndex, toIndex);
        }

        public RequestOptionCall<BulkRequestBuilder> getCall() {
            return call;
        }

    }

    @Override
    public int size() {
        return parent.size();
    }

    @Override
    public List<Map<String, Object>> subList(final int fromIndex, final int toIndex) {
        return parent.subList(fromIndex, toIndex);
    }

    @Override
    public Object[] toArray() {
        return parent.toArray();
    }

    @Override
    public <T> T[] toArray(final T[] a) {

    Doubles.reverse(input);
    assertThat(input).isEqualTo(expectedOutput);
  }

  private static void testReverse(
      double[] input, int fromIndex, int toIndex, double[] expectedOutput) {
    input = Arrays.copyOf(input, input.length);
    Doubles.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {

    Longs.reverse(input);
    assertThat(input).isEqualTo(expectedOutput);
  }

  private static void testReverse(long[] input, int fromIndex, int toIndex, long[] expectedOutput) {
    input = Arrays.copyOf(input, input.length);
    Longs.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {