assertEquals(SID.SID_TYPE_DOMAIN, domainSid.getType());
    }

    /**
     * Test getting the RID.
     *
     * @throws SmbException if the SID string is invalid
     */
    @Test
    void testGetRid() throws SmbException {
        // Create a mock RPC SID to simulate a user SID
        rpc.sid_t rpcSid = new rpc.sid_t();
        rpcSid.revision = 1;

            testMessage.setExtendedSecurity(false);
            // Method is empty, just ensure no exception
        }

        @Test
        @DisplayName("Should ignore UID setting")
        void testSetUid() {
            testMessage.setUid(123);
            // Method is empty, just ensure no exception
        }
    }

    @Nested
    @DisplayName("Equals and HashCode Tests")