ByteHolder a_byte = new ByteHolder((byte) 0);
ShortHolder a_short = new ShortHolder((short) 3);
StringHolder a_string = new StringHolder("[string 4]");
// This is an 'out' parameter; the value must not be passed to servant.
DoubleHolder a_double = new DoubleHolder(56.789);
int returned = object.passSimple(a_byte, 2, a_short, a_string, a_double);
assertEquals("Returned value", returned, 452572);