@DisplayName("Test constructor initializes fields correctly")
    public void testConstructor() throws Exception {
        // Given
        String oldFileName = "oldFile.txt";
        String newFileName = "newFile.txt";

        // When
        smbComRename = new SmbComRename(config, oldFileName, newFileName);

        // Then
        assertEquals(ServerMessageBlock.SMB_COM_RENAME, smbComRename.getCommand());

class SmbComRename extends ServerMessageBlock {

    private final int searchAttributes;
    private final String oldFileName;
    private final String newFileName;

    SmbComRename(final String oldFileName, final String newFileName) {
        command = SMB_COM_RENAME;
        this.oldFileName = oldFileName;
        this.newFileName = newFileName;
        searchAttributes = ATTR_HIDDEN | ATTR_SYSTEM | ATTR_DIRECTORY;
    }

    private final int searchAttributes;
    private final String oldFileName;
    private final String newFileName;

    /**
     * Constructs a rename request.
     *
     * @param config the configuration
     * @param oldFileName the current file name
     * @param newFileName the new file name
     */
    public SmbComRename(final Configuration config, final String oldFileName, final String newFileName) {