@Test
void mapShort() {

    final ToShort<Short> toShort = s -> s;
    final ToShortMapper<Short, ToShort<Short>, ShortUnaryOperator> toShortMapper =
            (ToShortMapper<Short, ToShort<Short>, ShortUnaryOperator>)
                    MapperUtil.mapShort(toShort, s -> s);
    assertEquals(MapperType.SHORT_TO_SHORT, toShortMapper.mapperType());
}