public void Cast_char_values_to_jchar_and_vice_versa(char value)
        {
            jchar jc_value = value;

            Assert.Equal <char>(value, jc_value);
        }
        public void Cast_ushort_values_to_jchar_and_vice_versa(ushort value)
        {
            jchar jc_value = value;

            Assert.Equal <ushort>(value, jc_value);
        }
        public void Check_jchar_default_value()
        {
            jchar jc_value = default;

            Assert.Equal <ushort>(0, jc_value);
        }