// ensure file is open
        if (!file.isOpen()) {
            file.open(openFlags, 0, SmbFile.ATTR_NORMAL, options);
        }

        int w;
        do {
            w = len > writeSize ? writeSize : len;
            file.send(new SmbComWriteAndX(file.fid, fp, len - w, b, off, w, null), write_andx_resp);
            fp += write_andx_resp.count;
            len -= write_andx_resp.count;

    }

    /**
     * Verify that writeParameterWordsWireFormat writes the file id and the
     * unsigned time correctly.  The last write time is zero which should be
     * encoded as four 0xFF bytes by {@code writeUTime}.
     */
    @ParameterizedTest(name = "fid={0}, lastWriteTime={1}")
    @MethodSource("validParams")
    @DisplayName("happy: writeParameterWordsWireFormat writes correct bytes")

    writeFile(getCleanFile("g2", 0), "C")
    writeFile(getCleanFile("g2", 1), "D")
    writeFile(getCleanFile("g2", 1), "D")
    writeFile(cacheDir / "otherFile0", "E")
    writeFile(dir2 / "otherFile1", "F")
  }

  private fun assertGarbageFilesAllDeleted() {
    assertThat(filesystem.exists(getCleanFile("g1", 0))).isFalse()
    assertThat(filesystem.exists(getCleanFile("g1", 1))).isFalse()

        final int sendBufferSize = th.getSendBufferSize();
        if (this.smb2) {
            this.writeSize = sendBufferSize;
            this.writeSizeFile = sendBufferSize;
            return;
        }

        this.openFlags &= ~(SmbConstants.O_CREAT | SmbConstants.O_TRUNC); /* in case we close and reopen */
        this.writeSize = sendBufferSize - 70;

        this.useNTSmbs = th.hasCapability(SmbConstants.CAP_NT_SMBS);

 * <li> <code>TransactNamedPipe</code> A message-type pipe call that
 *      writes to and reads from an existing pipe descriptor in one operation.
 * <li> <code>CreateFile</code>, <code>ReadFile</code>,
 *      <code>WriteFile</code>, and <code>CloseFile</code> A byte-type pipe can
 *      be opened, written to, read from and closed using the standard Win32
 *      file operations.
 * </ul>
 *

    protected int writeParameterWordsWireFormat(final byte[] dst, int dstIndex) {
        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        dstIndex += 2;
        if (this.digest != null) {
            SMB1SigningDigest.writeUTime(getConfig(), this.lastWriteTime, dst, dstIndex);
        } else {
            log.trace("SmbComClose without a digest");
        }
        return 6;
    }

    @Override

        if (LogStream.level >= 4) {
            SmbFile.log.println("write: fid=" + file.fid + ",off=" + off + ",len=" + len);
        }

        int w;
        do {
            w = len > writeSize ? writeSize : len;
            if (useNTSmbs) {
                reqx.setParam(file.fid, fp, len - w, b, off, w);
                if ((flags & 1) != 0) {
                    reqx.setParam(file.fid, fp, len, b, off, w);

        buffer[1] = 0x00;
        // Last Write Time (UTime): A sample timestamp in milliseconds
        long sampleTimeMillis = 1672531200000L; // Represents a specific date in milliseconds
        ServerMessageBlock.writeUTime(sampleTimeMillis, buffer, 2);
        // File Size: 1024 bytes
        ServerMessageBlock.writeInt4(1024, buffer, 6);

        response.wordCount = 10; // Must be non-zero to read

    protected int writeParameterWordsWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt2(this.fileAttributes, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeUTime(this.lastWriteTime, dst, dstIndex);
        dstIndex += 4;
        // reserved
        dstIndex += 10;
        return dstIndex - start;
    }

    @Override

 * <li><code>TransactNamedPipe</code> A message-type pipe call that
 * writes to and reads from an existing pipe descriptor in one operation.
 * <li><code>CreateFile</code>, <code>ReadFile</code>,
 * <code>WriteFile</code>, and <code>CloseFile</code> A byte-type pipe can
 * be opened, written to, read from and closed using the standard Win32
 * file operations.
 * </ul>
 *
 * <p>