byte[] buffer = new byte[256];
            System.arraycopy(SMBUtil.SMB2_HEADER, 0, buffer, 0, 4);
            // Set up sync message fields
            SMBUtil.writeInt4(0, buffer, 16); // flags (no async flag)
            SMBUtil.writeInt4(123, buffer, 36); // tree ID
            SMBUtil.writeInt8(456L, buffer, 40); // session ID
            return buffer;
        }

        long lastWriteTime = System.currentTimeMillis();
        int fileSize = 12345678;

        SMBUtil.writeInt2(fileAttributes, buffer, bufferIndex);
        SMBUtil.writeUTime(lastWriteTime, buffer, bufferIndex + 2);
        SMBUtil.writeInt4(fileSize, buffer, bufferIndex + 6);

        // Read the data
        int bytesRead = response.readParameterWordsWireFormat(buffer, bufferIndex);

            System.arraycopy(SMBUtil.SMB_HEADER, 0, buffer, 0, SMBUtil.SMB_HEADER.length);

            buffer[SmbConstants.CMD_OFFSET] = 0x25;
            SMBUtil.writeInt4(0, buffer, SmbConstants.ERROR_CODE_OFFSET);
            buffer[SmbConstants.FLAGS_OFFSET] = 0x12;
            SMBUtil.writeInt2(0x3456, buffer, SmbConstants.FLAGS_OFFSET + 1);
            SMBUtil.writeInt2(0x1234, buffer, SmbConstants.TID_OFFSET);

 */
package jcifs.internal.fscc;

import java.nio.charset.StandardCharsets;

import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;

/**
 * File System Control Code (FSCC) structure for File Rename Information.
 * Used in SMB2/SMB3 set file information operations to rename files or directories,

            SMBUtil.writeInt2(transformOffset, dst, dstIndex); // writeChannelInfoOffset
            SMBUtil.writeInt2(16, dst, dstIndex + 2); // writeChannelInfoLength (size of SMB2_RDMA_TRANSFORM)
        } else {
            SMBUtil.writeInt2(0, dst, dstIndex); // writeChannelInfoOffset
            SMBUtil.writeInt2(0, dst, dstIndex + 2); // writeChannelInfoLength
        }

        if (this.inputData != null) {
            SMBUtil.writeInt4(dstIndex - getHeaderStart(), dst, inputOffsetOffset);
            final int len = this.inputData.encode(dst, dstIndex);
            SMBUtil.writeInt4(len, dst, inputLengthOffset);
            dstIndex += len;
        } else {
            SMBUtil.writeInt4(0, dst, inputOffsetOffset);
            SMBUtil.writeInt4(0, dst, inputLengthOffset);
        }

        int offset = 0;
        SMBUtil.writeInt4(idFileSystem, buffer, offset); // idFileSystem (skipped)
        offset += 4;
        SMBUtil.writeInt4(sectPerAlloc, buffer, offset);
        offset += 4;
        SMBUtil.writeInt4((int) alloc, buffer, offset);
        offset += 4;
        SMBUtil.writeInt4((int) free, buffer, offset);
        offset += 4;
        SMBUtil.writeInt2(bytesPerSect, buffer, offset);

            // Verify first chunk
            assertEquals(100L, SMBUtil.readInt8(buffer, 0));
            assertEquals(200L, SMBUtil.readInt8(buffer, 8));
            assertEquals(300, SMBUtil.readInt4(buffer, 16));

            // Verify second chunk
            assertEquals(400L, SMBUtil.readInt8(buffer, EXPECTED_SIZE));
            assertEquals(500L, SMBUtil.readInt8(buffer, EXPECTED_SIZE + 8));

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for FileRenameInformation2
 */
@DisplayName("FileRenameInformation2 Tests")
class FileRenameInformation2Test {

    private FileRenameInformation2 fileRenameInfo;

    @BeforeEach

     * @param dstIndex starting index
     * @return number of bytes written
     */
    public int encode(byte[] dst, int dstIndex) {
        SMBUtil.writeInt8(offset, dst, dstIndex);
        SMBUtil.writeInt4(token, dst, dstIndex + 8);
        SMBUtil.writeInt4(length, dst, dstIndex + 12);
        return 16;
    }

    /**
     * Decode from byte array
     *
     * @param buffer source buffer