// Check information level (first 2 bytes)
        int actualInfoLevel = SMBUtil.readInt2(buffer, 0);
        assertEquals(0x0101, actualInfoLevel); // FILE_BASIC_INFO maps to 0x0101

        // Check reserved bytes (4 bytes of 0x00)
        assertEquals(0x00, buffer[2]);
        assertEquals(0x00, buffer[3]);
        assertEquals(0x00, buffer[4]);
        assertEquals(0x00, buffer[5]);

    // Query Reserved Characters and Patterns
    // ============================================================

    /** Array of reserved characters for query processing. */
    public static final String[] RESERVED =
            { "\\", "+", "-", "&&", "||", "!", "(", ")", "{", "}", "[", "]", "^", "~", "*", "?", ";", ":", "/" };

    /** Pattern for detecting reserved characters in Lucene field queries. */

        this.dataLength = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.dataRemaining = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        bufferIndex += 4; // Reserved2

        final int dataStart = getHeaderStart() + dataOffset;

        if (this.dataLength + this.outputBufferOffset > this.outputBuffer.length) {

        // Then
        assertEquals(4, bytesWritten);

        // Verify structure size (4) is written at offset
        assertEquals(4, SMBUtil.readInt2(buffer, offset));

        // Verify reserved field (0) is written at offset + 2
        assertEquals(0, SMBUtil.readInt2(buffer, offset + 2));
    }

    @Test
    @DisplayName("Should write exact wire format structure")

    /**
     * Pending cancel flag - indicates cancel was pending at sender
     */
    int DCERPC_PENDING_CANCEL = 0x04; /* Cancel was pending at sender */
    /**
     * Reserved flag for future use
     */
    int DCERPC_RESERVED_1 = 0x08;
    /**
     * Supports concurrent multiplexing flag.
     */
    int DCERPC_CONC_MPX = 0x10; /* supports concurrent multiplexing */
    /**

        }

        this.resumeKey = new byte[24];
        System.arraycopy(buffer, bufferIndex, this.resumeKey, 0, 24);
        bufferIndex += 24;

        SMBUtil.readInt4(buffer, bufferIndex); // contextLength - reserved
        bufferIndex += 4;

        return bufferIndex - start;
    }

            byte[] buffer = new byte[10];
            int bufferIndex = 0;
            SMBUtil.writeInt2(4, buffer, bufferIndex); // Write structure size = 4
            SMBUtil.writeInt2(0, buffer, bufferIndex + 2); // Reserved field

            // When
            int bytesRead = response.readBytesWireFormat(buffer, bufferIndex);

            // Then
            assertEquals(4, bytesRead);
        }

        @Test

        assertEquals(expected, actual, "size() must be 8-byte aligned");
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 5 })
    @DisplayName("writeBytesWireFormat writes StructureSize=4 and Reserved=0 at given offset")
    void writeBytesWireFormat_writesExpectedValuesAtOffset(int offset) {
        // Arrange
        Smb2LogoffRequest req = newRequest();
        byte[] buf = new byte[offset + 8]; // extra space for safety

        // Write context header
        writeInt4(buffer, offset, getName().length());  // NameOffset
        writeInt4(buffer, offset + 4, getName().length());  // NameLength
        writeInt4(buffer, offset + 8, 16);  // Reserved
        
        int dataOffset = offset + 16 + getName().length();
        dataOffset = (dataOffset + 7) & ~7;  // 8-byte alignment
        
        writeInt4(buffer, offset + 12, dataOffset - offset);  // DataOffset

        SMBUtil.writeInt2(this.dialects.length, dst, dstIndex + 2);
        dstIndex += 4;

        SMBUtil.writeInt2(this.securityMode, dst, dstIndex);
        SMBUtil.writeInt2(0, dst, dstIndex + 2); // Reserved
        dstIndex += 4;

        SMBUtil.writeInt4(this.capabilities, dst, dstIndex);
        dstIndex += 4;

        System.arraycopy(this.clientGuid, 0, dst, dstIndex, 16);
        dstIndex += 16;