@DisplayName("SMB 2.0.2 dialect should be 0x0202")
        void testDialect0202() {
            assertEquals(0x0202, Smb2Constants.SMB2_DIALECT_0202, "SMB 2.0.2 dialect must be 0x0202");
        }

        @Test
        @DisplayName("SMB 2.1 dialect should be 0x0210")
        void testDialect0210() {
            assertEquals(0x0210, Smb2Constants.SMB2_DIALECT_0210, "SMB 2.1 dialect must be 0x0210");
        }

        @Test

    /**
     * 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)
     */
    public static final int SMB2_DIALECT_0210 = 0x0210;

    /**
     * SMB 3.0 dialect (Windows 8/Server 2012)
     */
    public static final int SMB2_DIALECT_0300 = 0x0300;

    /**

        for (int i = 0; i < 16; i++) {
            defaultClientGuid[i] = (byte) (i + 1);
        }

        // Initialize default dialects
        defaultDialects = new int[] { 0x0202, 0x0210, 0x0300, 0x0302, 0x0311 };
    }

    @Test
    @DisplayName("Test constructor with valid parameters")
    void testConstructor() {
        ValidateNegotiateInfoRequest request =

                Arguments.of(DialectVersion.SMB202, DialectVersion.SMB210, new int[] { 0x0202, 0x0210 }),
                Arguments.of(DialectVersion.SMB210, DialectVersion.SMB300, new int[] { 0x0210, 0x0300 }),
                Arguments.of(DialectVersion.SMB202, DialectVersion.SMB311, new int[] { 0x0202, 0x0210, 0x0300, 0x0302, 0x0311 }),

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

    /**
     * Lock and read operation is supported capability.
     */
    int CAP_LOCK_AND_READ = 0x0100;
    /**
     * NT find operations are supported capability.
     */
    int CAP_NT_FIND = 0x0200;
    /**
     * DFS operations are supported capability.
     */
    int CAP_DFS = 0x1000;
    /**
     * Large read operations are supported capability.
     */
    int CAP_LARGE_READX = 0x4000;

    /** NT find capability */
    int CAP_NT_FIND = 0x0200;
    /** DFS capability */
    int CAP_DFS = 0x1000;
    /** Extended security capability */
    int CAP_EXTENDED_SECURITY = 0x80000000;

    // file attribute encoding
    /** Read-only file attribute */
    int ATTR_READONLY = 0x01;
    /** Hidden file attribute */
    int ATTR_HIDDEN = 0x02;
    /** System file attribute */
    int ATTR_SYSTEM = 0x04;

    /**
     * Pipe operations should behave like the <code>TransactNamedPipe</code> Win32 Named Pipe function.
     */

    int PIPE_TYPE_TRANSACT = 0x0200;

    /**
     * Pipe is used for DCE
     */
    int PIPE_TYPE_DCE_TRANSACT = 0x0200 | 0x0400;

    /**
     * Pipe should use it's own exclusive transport connection
     */
    int PIPE_TYPE_UNSHARED = 0x800;

    /**

    hasher.putBytes(new byte[] {});
    hasher.putBytes(new byte[] {8});
    hasher.assertBytes(expected);
  }

  public void testShort() {
    TestHasher hasher = new TestHasher();
    hasher.putShort((short) 0x0201);
    hasher.assertBytes(new byte[] {1, 2});
  }

  public void testInt() {
    TestHasher hasher = new TestHasher();
    hasher.putInt(0x04030201);
    hasher.assertBytes(new byte[] {1, 2, 3, 4});
  }

    HashCode unused = sink.hash();
    sink.assertInvariants(8);
    sink.assertBytes(expected);
  }

  public void testShort() {
    Sink sink = new Sink(4);
    sink.putShort((short) 0x0201);
    HashCode unused = sink.hash();
    sink.assertInvariants(2);
    sink.assertBytes(new byte[] {1, 2, 0, 0}); // padded with zeros
  }

  public void testInt() {
    Sink sink = new Sink(4);