// Given
        byte[] buffer = new byte[512];
        int bodyStart = 0;
        int dataLength = 10;
        // Use a large but safe offset value that fits in signed byte range (120)
        int dataOffsetValue = 120;

        // Write structure
        SMBUtil.writeInt2(17, buffer, bodyStart);
        buffer[bodyStart + 2] = (byte) dataOffsetValue;
        SMBUtil.writeInt4(dataLength, buffer, bodyStart + 4);

        Smb2IoctlRequest request = new Smb2IoctlRequest(mockConfig, TEST_CONTROL_CODE);

        int size = request.size();

        // Base size: SMB2_HEADER_LENGTH (64) + 56 = 120, aligned to 8
        assertEquals(120, size);
    }

    @Test
    @DisplayName("Test size calculation with input data")
    void testSizeWithInputData() {
        setupMockConfig();

mvn formatter:format           # Format code
mvn license:format             # Update license headers
```

### Code Style

- 4 spaces (no tabs)
- Opening brace on same line
- Max line length: 120
- JavaDoc required for public APIs
- License headers required

### Testing

**Structure**: `src/test/java/org/codelibs/fess/crawler/`
**Frameworks**: JUnit 4, UTFlute, Mockito, Testcontainers

    /**
     * The flag to use ECS format.
     */
    protected boolean useEcsFormat = false;

    /**
     * The ECS version.
     */
    protected String ecsVersion = "1.2.0";

    /**
     * The ECS service name.
     */
    protected String ecsServiceName = "fess";

    /**
     * The ECS event dataset.
     */
    protected String ecsEventDataset = "app";

    /**

            Type2Message.writeULong(truncatedMessage, 8, Type2Message.NTLMSSP_TYPE2);
            // Set empty target name buffer
            Type2Message.writeUShort(truncatedMessage, 12, 0); // length
            Type2Message.writeUShort(truncatedMessage, 14, 0); // max length
            Type2Message.writeULong(truncatedMessage, 16, 48); // offset (past the end)
            // Set flags

        System.arraycopy("file1".getBytes("UnicodeLittleUnmarked"), 0, buffer, notifyOffset + 12, 10);

        // Second notification at offset 120 (80 + 40)
        notifyOffset = 120;
        SMBUtil.writeInt4(44, buffer, notifyOffset); // NextEntryOffset
        SMBUtil.writeInt4(2, buffer, notifyOffset + 4); // Action (REMOVED)
        SMBUtil.writeInt4(10, buffer, notifyOffset + 8);

            System.arraycopy(SMBUtil.SMB_HEADER, 0, buffer, 0, SMBUtil.SMB_HEADER.length);
            buffer[SmbConstants.SMB1_HEADER_LENGTH] = 10;
            SMBUtil.writeInt2(0, buffer, SmbConstants.SMB1_HEADER_LENGTH + 1 + 20);

            int length = customBlock.decode(buffer, 0);

            assertTrue(length > 0);
            assertEquals(10, customBlock.getWordCount());
        }

        @Test

        
        writeInt8(buffer, dataOffset, timeout);  // Timeout
        writeInt4(buffer, dataOffset + 8, flags);  // Flags
        writeInt8(buffer, dataOffset + 12, 0);  // Reserved
        System.arraycopy(createGuid.toBytes(), 0, buffer, dataOffset + 20, 16);  // CreateGuid
    }
}
```

### 4.4 Durable Handle Reconnect Context
```java