verify(mockDeferredNdrBuffer, never()).advance(anyInt());
        // Note: NdrBuffer does not have encode method
    }

    @Test
    void testLsarSidArrayDecode() throws NdrException {
        lsarpc.LsarSidArray sidArray = new lsarpc.LsarSidArray();

        when(mockNdrBuffer.dec_ndr_long()).thenReturn(2, 1); // num_sids, _sidsp