/* jcifs smb client library in Java
 * Copyright (C) 2005  "Michael B. Allen" <jcifs at samba dot org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,

/* jcifs smb client library in Java
 * Copyright (C) 2005  "Michael B. Allen" <jcifs at samba dot org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,

        String longFileName = "verylongfilename_with_many_characters.txt";
        FileRenameInformation2 info = new FileRenameInformation2(longFileName, false);
        // 20 bytes fixed + 2 * length
        assertEquals(20 + 2 * longFileName.length(), info.size());
    }

    @Test
    @DisplayName("Test size calculation with empty filename")
    void testSizeWithEmptyFilename() {

/* jcifs smb client library in Java
 * Copyright (C) 2005  "Michael B. Allen" <jcifs at samba dot org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,

/* jcifs smb client library in Java
 * Copyright (C) 2005  "Michael B. Allen" <jcifs at samba dot org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,

        return dstIndex - start;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#size()
     */
    @Override
    public int size() {
        return 20 + 2 * this.fileName.length();
    }

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

     */
    @Test
    public void testSecureDefaults() throws CIFSException {
        BaseConfiguration config = new BaseConfiguration(true);

        // Verify minimum SMB version is at least SMB 2.0.2 (SMB1 disabled)
        assertTrue("Minimum version should be at least SMB2.0.2", config.getMinimumVersion().atLeast(DialectVersion.SMB202));

        // Verify LM compatibility level is 3 or higher (NTLMv2 only)

    /**
     * SMB2 negotiate flag indicating signing is required
     */
    public static final int SMB2_NEGOTIATE_SIGNING_REQUIRED = 0x0002;

    /**
     * SMB 2.0.2 dialect (Windows Vista/Server 2008)
     */
    public static final int SMB2_DIALECT_0202 = 0x0202;

    /**
     * SMB 2.1 dialect (Windows 7/Server 2008R2)
     */

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## Overview

## Features

### Protocol Support
The library supports a full range of SMB protocols with automatic negotiation:

**Supported Protocols:**
- **SMB1/CIFS**: Legacy support via `jcifs.smb1/` package
- **SMB 2.0.2**: Windows Vista+ (0x0202)
- **SMB 2.1**: Windows 7/Server 2008R2 (0x0210)
- **SMB 3.0**: Windows 8/Server 2012 (0x0300) - AES-128-CCM encryption
- **SMB 3.0.2**: Windows 8.1/Server 2012R2 (0x0302) - Enhanced encryption