byte[] fileId = new byte[16];
        Arrays.fill(fileId, (byte) 0xCC);

        byte[] header = buildSmb2Header();
        int ctxOffsetFromHeader = 256; // arbitrary aligned location beyond header
        byte[] baseBody = buildCreateBodyWithContext(fileId, ctxOffsetFromHeader);

        // Build actual context bytes matching the pointers inside baseBody
        byte[] ctx = new byte[0x40];

            int expectedAligned = (int) size8Method.invoke(req, expectedUnaligned);

            // Then
            assertEquals(expectedAligned, actualSize);
            assertEquals(0, actualSize % 8); // Should be 8-byte aligned
        }
    }

    @Test
    @DisplayName("Should write proper wire format structure")
    void testWireFormatStructure() throws Exception {
        // Given

            assertEquals(expectedSize, req.size());
        }

        @Test
        @DisplayName("Should align size to 8-byte boundary")
        void testSizeAlignment() {
            int size = request.size();
            assertEquals(0, size % 8, "Size should be aligned to 8-byte boundary");
        }

        @ParameterizedTest
        @DisplayName("Should calculate size for various lock counts")

            assertEquals(expectedSize, request.size());
        }

        @Test
        @DisplayName("Should align size to 8-byte boundary")
        void testSizeAlignment() {
            int size = request.size();
            assertEquals(0, size % 8, "Size should be aligned to 8-byte boundary");
        }

        @Test
        @DisplayName("Should have consistent size regardless of parameters")

            int expectedLength = (Math.min(256, 128) - Smb2QueryInfoResponse.OVERHEAD) & ~0x7;
            assertEquals(expectedLength, actualOutputBufferLength);

            // Result should be aligned to 8 bytes
            assertEquals(0, actualOutputBufferLength % 8);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

        when(mockRequest.getCapabilities()).thenReturn(0);

        // When
        boolean valid = response.isValid(mockContext, mockRequest);

        // Then
        assertTrue(valid);
        // Should be aligned to 8-byte boundary
        assertEquals(32768 & ~0x7, response.getReceiveBufferSize());
        assertEquals(32768 & ~0x7, response.getSendBufferSize());
        assertTrue(response.getTransactionBufferSize() <= 65536);
    }

        return this.buf;
    }

    /**
     * Aligns the buffer index to the specified boundary with a fill value.
     *
     * @param boundary the alignment boundary
     * @param value the fill value for padding
     * @return the number of bytes added for alignment
     */
    public int align(final int boundary, final byte value) {
        final int n = align(boundary);
        int i = n;
        while (i > 0) {

        return buf;
    }

    /**
     * Aligns the buffer index to the specified boundary with a fill value.
     *
     * @param boundary the alignment boundary
     * @param value the fill value for padding
     * @return the number of bytes added for alignment
     */
    public int align(final int boundary, final byte value) {
        final int n = align(boundary);
        int i = n;
        while (i > 0) {

        this.dis = new DataInputStream(in);
        this.size = in.available();
    }

    /**
     * Aligns the stream position to the specified boundary.
     * @param mask the alignment mask (typically 2, 4, or 8)
     * @throws IOException if an I/O error occurs
     */
    public void align(final int mask) throws IOException {
        final int position = this.size - this.dis.available();

                }
            }
        }

        @Override
        public void decode(NdrBuffer _src) throws NdrException {
            _src.align(4);
            this.idx = _src.dec_ndr_long();
            _src.align(4);
            if (this.name == null) {
                this.name = new rpc.unicode_string();
            }
            this.name.length = (short) _src.dec_ndr_short();