// When
        int size = request.size();

        // Then
        // Verify size includes SMB2_HEADER_LENGTH
        assertTrue(size >= Smb2Constants.SMB2_HEADER_LENGTH);

        // The actual calculation: (SMB2_HEADER_LENGTH + 4 + 7) & ~7
        int expectedBase = Smb2Constants.SMB2_HEADER_LENGTH + 4;
        int expectedAligned = (expectedBase + 7) & ~7;
        assertEquals(expectedAligned, size);
    }

        request.encode(buffer, 0);

        // Then
        int bodyOffset = Smb2Constants.SMB2_HEADER_LENGTH;
        int securityBufferOffset = SMBUtil.readInt2(buffer, bodyOffset + 12);

        // The offset should point to the location after the fixed structure (relative to header start)
        int expectedOffset = Smb2Constants.SMB2_HEADER_LENGTH + 24;
        while ((expectedOffset % 8) != 0) {

        buildHeader(buf, headerStart, NtStatus.NT_STATUS_MORE_PROCESSING_REQUIRED, 0x0001, expectedSessionId);

        int bodyStart = headerStart + Smb2Constants.SMB2_HEADER_LENGTH;
        byte[] blob = new byte[] { 10, 20, 30, 40, 50 };
        int secBufOffset = Smb2Constants.SMB2_HEADER_LENGTH + 8; // directly after fixed part
        int sessionFlags = Smb2SessionSetupResponse.SMB2_SESSION_FLAGS_IS_GUEST;

            assertEquals(Smb2Constants.SMB2_HEADER_LENGTH + 48, Smb2WriteRequest.OVERHEAD);
        }

        @Test
        @DisplayName("Should handle boundary conditions")
        void testBoundaryConditions() {
            // Test with exactly aligned data
            request.setData(new byte[8], 0, 8); // 8-byte aligned
            assertEquals(((Smb2Constants.SMB2_HEADER_LENGTH + 48 + 8 + 7) / 8) * 8, request.size());

        // FileIndex is at offset 4 in the request structure
        int readIndex = (buffer[Smb2Constants.SMB2_HEADER_LENGTH + 4] & 0xFF) | ((buffer[Smb2Constants.SMB2_HEADER_LENGTH + 5] & 0xFF) << 8)
                | ((buffer[Smb2Constants.SMB2_HEADER_LENGTH + 6] & 0xFF) << 16)
                | ((buffer[Smb2Constants.SMB2_HEADER_LENGTH + 7] & 0xFF) << 24);

            Smb2LockRequest req = new Smb2LockRequest(mockConfig, testFileId, singleLock);

            int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 24 + 24; // header + structure + 1 lock
            expectedSize = ((expectedSize + 7) / 8) * 8; // 8-byte alignment
            assertEquals(expectedSize, req.size());
        }

        @Test

        int shortSize = shortReq.size();
        int longSize = longReq.size();

        // Then
        // SMB2_HEADER_LENGTH + 8 + path.length() * 2 (UTF-16LE)
        int expectedShortSize = Smb2Constants.SMB2_HEADER_LENGTH + 8 + shortPath.length() * 2;
        int expectedLongSize = Smb2Constants.SMB2_HEADER_LENGTH + 8 + longPath.length() * 2;

        // size8 method aligns to 8-byte boundary

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#size()
     */
    @Override
    public int size() {
        return size8(Smb2Constants.SMB2_HEADER_LENGTH + 4);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#writeBytesWireFormat(byte[], int)
     */
    @Override

    void testSize() {
        // When
        int size = request.size();

        // Then
        // Size should be aligned to 8 bytes: SMB2_HEADER_LENGTH + 32
        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 32;
        // The size8 method aligns to 8-byte boundary
        int alignedSize = (expectedSize + 7) & ~7;
        assertEquals(alignedSize, size);
    }

    @Test

        return new Smb2LeaseBreakResponse(tc.getConfig());
    }

    @Override
    public int size() {
        return size8(Smb2Constants.SMB2_HEADER_LENGTH + STRUCTURE_SIZE);
    }

    @Override
    protected int writeBytesWireFormat(byte[] dst, int dstIndex) {
        int start = dstIndex;

        // StructureSize (2 bytes) - must be 36