input = Arrays.copyOf(input, input.length);
    Bytes.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {
    testReverse(new byte[] {}, 0, 0, new byte[] {});
    testReverse(new byte[] {1}, 0, 1, new byte[] {1});
    testReverse(new byte[] {1, 2}, 0, 2, new byte[] {2, 1});

    input = Arrays.copyOf(input, input.length);
    Chars.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {
    testReverse(new char[] {}, 0, 0, new char[] {});
    testReverse(new char[] {'1'}, 0, 1, new char[] {'1'});
    testReverse(new char[] {'1', '2'}, 0, 2, new char[] {'2', '1'});

    input = Arrays.copyOf(input, input.length);
    Doubles.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {
    testReverse(new double[] {}, 0, 0, new double[] {});
    testReverse(new double[] {1}, 0, 1, new double[] {1});
    testReverse(new double[] {1, 2}, 0, 2, new double[] {2, 1});

    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[] {});
    testReverse(new int[] {1}, 0, 1, new int[] {1});
    testReverse(new int[] {1, 2}, 0, 2, new int[] {2, 1});

    input = Arrays.copyOf(input, input.length);
    Booleans.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {
    testReverse(new boolean[] {}, 0, 0, new boolean[] {});
    testReverse(new boolean[] {true}, 0, 1, new boolean[] {true});
    testReverse(new boolean[] {false, true}, 0, 2, new boolean[] {true, false});

    input = Arrays.copyOf(input, input.length);
    Doubles.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {
    testReverse(new double[] {}, 0, 0, new double[] {});
    testReverse(new double[] {1}, 0, 1, new double[] {1});
    testReverse(new double[] {1, 2}, 0, 2, new double[] {2, 1});

    input = Arrays.copyOf(input, input.length);
    Longs.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {
    testReverse(new long[] {}, 0, 0, new long[] {});
    testReverse(new long[] {1}, 0, 1, new long[] {1});
    testReverse(new long[] {1, 2}, 0, 2, new long[] {2, 1});

    input = Arrays.copyOf(input, input.length);
    Shorts.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {
    testReverse(new short[] {}, 0, 0, new short[] {});
    testReverse(new short[] {1}, 0, 1, new short[] {1});
    testReverse(new short[] {1, 2}, 0, 2, new short[] {2, 1});

    input = Arrays.copyOf(input, input.length);
    Floats.reverse(input, fromIndex, toIndex);
    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {
    testReverse(new float[] {}, 0, 0, new float[] {});
    testReverse(new float[] {1}, 0, 1, new float[] {1});
    testReverse(new float[] {1, 2}, 0, 2, new float[] {2, 1});

    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[] {});
    testReverse(new int[] {1}, 0, 1, new int[] {1});
    testReverse(new int[] {1, 2}, 0, 2, new int[] {2, 1});