int result = SessionServicePacket.readInt4(src, 0);

        assertEquals(-1, result);
    }

    @Test
    @DisplayName("readLength should extract length from packet header")
    void testReadLength() {
        byte[] src = { (byte) 0x00, (byte) 0x01, (byte) 0x23, (byte) 0x45 };
        int length = SessionServicePacket.readLength(src, 0);

        // Bit 0 of byte 1 is MSB, followed by bytes 2 and 3