/** MPX mode capability */
    int CAP_MPX_MODE = 0x0002;
    /** Unicode capability */
    int CAP_UNICODE = 0x0004;
    /** Large files capability */
    int CAP_LARGE_FILES = 0x0008;
    /** NT SMBs capability */
    int CAP_NT_SMBS = 0x0010;
    /** RPC remote APIs capability */
    int CAP_RPC_REMOTE_APIS = 0x0020;
    /** 32-bit status codes capability */
    int CAP_STATUS32 = 0x0040;

    void testCapabilityConstants() {
        assertEquals(0x0000, SmbConstants.CAP_NONE);
        assertEquals(0x0001, SmbConstants.CAP_RAW_MODE);
        assertEquals(0x0002, SmbConstants.CAP_MPX_MODE);
        assertEquals(0x0004, SmbConstants.CAP_UNICODE);
        assertEquals(0x0008, SmbConstants.CAP_LARGE_FILES);
        assertEquals(0x0010, SmbConstants.CAP_NT_SMBS);
        assertEquals(0x0020, SmbConstants.CAP_RPC_REMOTE_APIS);

    }
  }

  // 128 - [chars 0x0000 to 0x007f]
  private static final long ONE_BYTE_ROUNDTRIPPABLE_CHARACTERS = 0x007f - 0x0000 + 1;

  // 128
  private static final long EXPECTED_ONE_BYTE_ROUNDTRIPPABLE_COUNT =
      ONE_BYTE_ROUNDTRIPPABLE_CHARACTERS;

  // 1920 [chars 0x0080 to 0x07FF]
  private static final long TWO_BYTE_ROUNDTRIPPABLE_CHARACTERS = 0x07FF - 0x0080 + 1;

  // 18,304

    /**
     * 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;
    /**
     * Large write operations are supported capability.
     */
    int CAP_LARGE_WRITEX = 0x8000;

        assertEquals(0, bytesRead);
        assertEquals(0, response.getAttributes());
        assertEquals(0, response.getSize());
    }

    @ParameterizedTest
    @ValueSource(ints = { 0x0001, 0x0002, 0x0004, 0x0010, 0x0020, 0x0080, 0x0100 })
    void testDifferentFileAttributes(int fileAttribute) {
        // Test various file attribute values
        response = new SmbComQueryInformationResponse(mockConfig, 0L);

        byte[] wireData = new byte[] { 0x10, 0x00, // StructureSize (must be 16)
                0x01, // ShareType (DISK)
                0x00, // Reserved
                0x01, 0x00, 0x00, 0x00, // ShareFlags
                0x08, 0x00, 0x00, 0x00, // Capabilities
                (byte) 0xFF, 0x01, 0x1F, 0x00 // MaximalAccess
        };

        // When

            assertEquals("Unknown dialect", exception.getMessage());
        }

        @ParameterizedTest
        @ValueSource(ints = { 0x0000, 0x0100, 0x0201, 0x0303, 0x0400, 0xFFFF })
        @DisplayName("Should throw exception for invalid dialects")
        void testConstructorInvalidDialects(int dialect) {
            IllegalArgumentException exception =

            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 =

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

        @Test
        @DisplayName("SMB 3.0 dialect should be 0x0300")
        void testDialect0300() {
            assertEquals(0x0300, Smb2Constants.SMB2_DIALECT_0300, "SMB 3.0 dialect must be 0x0300");
        }

        @Test

	// but these seem to be the values agreed on by tools.
	s_IFMT   = 0xf000
	s_IFSOCK = 0xc000
	s_IFLNK  = 0xa000
	s_IFREG  = 0x8000
	s_IFBLK  = 0x6000
	s_IFDIR  = 0x4000
	s_IFCHR  = 0x2000
	s_IFIFO  = 0x1000
	s_ISUID  = 0x800
	s_ISGID  = 0x400
	s_ISVTX  = 0x200

	msdosDir      = 0x10
	msdosReadOnly = 0x01
)