when(mockNdrBuffer.dec_ndr_long()).thenReturn(1, 123); // _infop, retval
        when(mockNdrBuffer.dec_ndr_short()).thenReturn((int) (short) 0); // union discriminant

        queryInfoPolicy.decode_out(mockNdrBuffer);

        verify(mockInfo).decode(mockNdrBuffer);
        assertEquals(123, queryInfoPolicy.retval);
    }

    @Test