);
        when(mockNdrBuffer.dec_ndr_small()).thenReturn(4, 5);

        dnsDomainInfo.decode(mockNdrBuffer);

        assertNull(dnsDomainInfo.name.buffer);
        assertNull(dnsDomainInfo.dns_domain.buffer);
        assertNull(dnsDomainInfo.dns_forest.buffer);
        assertNull(dnsDomainInfo.sid);
        assertNotNull(dnsDomainInfo.domain_guid.node); // Should be initialized even if null in encode