sidPtr.decode(mockNdrBuffer);

        assertNotNull(sidPtr.sid);
        verify(sidPtr.sid).decode(mockDeferredNdrBuffer);
    }

    @Test
    void testLsarSidPtrDecodeNullSid() throws NdrException {
        lsarpc.LsarSidPtr sidPtr = new lsarpc.LsarSidPtr();

        when(mockNdrBuffer.dec_ndr_long()).thenReturn(0); // _sidp (null)

        sidPtr.decode(mockNdrBuffer);