* Defines common functionality for various SMB2/SMB3 file information classes used in
 * query and set file information operations, with constants for information levels.
 *
 * @author mbechler
 */
public interface FileInformation extends Decodable, Encodable {

    // information levels

    /**
     * File end-of-file information class constant.
     */
    byte FILE_ENDOFFILE_INFO = 20;

    /**

    void testConstantsAreUnique() {
        byte[] constants = { FileInformation.FILE_ENDOFFILE_INFO, FileInformation.FILE_BASIC_INFO, FileInformation.FILE_STANDARD_INFO,
                FileInformation.FILE_INTERNAL_INFO, FileInformation.FILE_RENAME_INFO };

        // Check all constants are unique
        for (int i = 0; i < constants.length; i++) {
            for (int j = i + 1; j < constants.length; j++) {

    private final int fid;
    private final FileInformation info;

    /**
     * Constructs a Trans2SetFileInformation request with file information object.
     *
     * @param config the SMB configuration
     * @param fid the file identifier
     * @param info the file information to set
     */
    public Trans2SetFileInformation(final Configuration config, final int fid, final FileInformation info) {

        final int start = bufferIndex;
        final FileInformation inf = createFileInformation();
        if (inf != null) {
            bufferIndex += inf.decode(buffer, bufferIndex, getDataCount());
            this.info = inf;
        }
        return bufferIndex - start;
    }

    private FileInformation createFileInformation() {
        FileInformation inf;
        switch (this.informationLevel) {

 * providing access to fundamental file metadata used in SMB file system operations.
 *
 * @author mbechler
 */
public interface BasicFileInformation extends SmbBasicFileInfo, FileInformation {

 *
 * @author mbechler
 */
public class FileEndOfFileInformation implements FileInformation, Encodable {

    private long endOfFile;

    /**
     * Default constructor for decoding.
     */
    public FileEndOfFileInformation() {
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.fscc.FileInformation#getFileInformationLevel()
     */
    @Override

        config = new PropertyConfiguration(props);
    }

    @Test
    @DisplayName("Test constructor with FileInformation parameter")
    void testConstructorWithFileInformation() {
        // Setup mock FileInformation
        when(mockFileInfo.getFileInformationLevel()).thenReturn((byte) FileInformation.FILE_BASIC_INFO);

        // Create instance

 *
 * @author mbechler
 */
public class FileInternalInfo implements FileInformation {

    private long indexNumber;

    /**
     * Default constructor for decoding file internal information.
     */
    public FileInternalInfo() {
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.fscc.FileInformation#getFileInformationLevel()
     */
    @Override

        return 20 + 2 * this.fileName.length();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.fscc.FileInformation#getFileInformationLevel()
     */
    @Override
    public byte getFileInformationLevel() {
        return FileInformation.FILE_RENAME_INFO;
    }

import org.mockito.junit.jupiter.MockitoSettings;
import org.mockito.quality.Strictness;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.Encodable;
import jcifs.internal.fscc.FileInformation;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for Smb2SetInfoRequest functionality
 */