* Mapping table from DOS error codes to NT status codes.
     * Each entry contains a pair of [DOS error code, NT status code].
     */
    int[][] DOS_ERROR_CODES =
            { { 0x00000000, 0x00000000 }, { 0x00010001, 0xc0000002 }, { 0x00010002, 0xc0000002 }, { 0x00020001, 0xc000000f },
                    { 0x00020002, 0xc000006a }, { 0x00030001, 0xc000003a }, { 0x00030002, 0xc00000cb }, { 0x00040002, 0xc00000ca },

    * client workstation has membership is supplied in the Type-1 message.
    * This is used in the negotation of local authentication.
    */
    int NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED = 0x00001000;

    /**
    * Indicates whether the OEM-formatted workstation name is supplied
    * in the Type-1 message.  This is used in the negotiation of local
    * authentication.
    */

     */
    public static final int FILE_OPEN_REPARSE_POINT = 0x200000;
    /**
     * Open does not cause an opportunistic lock break for the file
     */
    public static final int FILE_NOP_RECALL = 0x400000;
    /**
     * The file is being opened solely to query its free space
     */
    public static final int FILE_OPEN_FOR_FREE_SPACE_QUERY = 0x800000;

    private byte securityFlags;

    /**
     * Permission to write file attributes
     */
    int FILE_WRITE_ATTRIBUTES = 0x00000100; // 9
    /**
     * Standard delete permission
     */
    int DELETE = 0x00010000; // 16
    /**
     * Permission to read the security descriptor
     */
    int READ_CONTROL = 0x00020000; // 17
    /**
     * Permission to write the discretionary access control list
     */

        assertEquals(0x00010000, SmbConstants.DELETE);
        assertEquals(0x00020000, SmbConstants.READ_CONTROL);
        assertEquals(0x00040000, SmbConstants.WRITE_DAC);
        assertEquals(0x00080000, SmbConstants.WRITE_OWNER);
        assertEquals(0x00100000, SmbConstants.SYNCHRONIZE);
        assertEquals(0x10000000, SmbConstants.GENERIC_ALL);

    int FILE_READ_ATTRIBUTES = 0x00000080; // 8
    /** File write attributes access right */
    int FILE_WRITE_ATTRIBUTES = 0x00000100; // 9
    /** Delete access right */
    int DELETE = 0x00010000; // 16
    /** Read control access right */
    int READ_CONTROL = 0x00020000; // 17
    /** Write DAC access right */
    int WRITE_DAC = 0x00040000; // 18
    /** Write owner access right */

    /**
     * Permission to write file attributes.
     */
    int FILE_WRITE_ATTRIBUTES = 0x00000100; // 9
    /**
     * Permission to delete the object.
     */
    int DELETE = 0x00010000; // 16
    /**
     * Permission to read the security descriptor.
     */
    int READ_CONTROL = 0x00020000; // 17
    /**
     * Permission to write the discretionary access control list.
     */

    /** Permission to write file attributes */
    public static final int FILE_WRITE_ATTRIBUTES = 0x00000100; // 9
    /** Standard delete permission */
    public static final int DELETE = 0x00010000; // 16
    /** Permission to read the security descriptor */
    public static final int READ_CONTROL = 0x00020000; // 17
    /** Permission to write the discretionary access control list */

            0x00000002, // FILE_WRITE_DATA
            0x00000004, // FILE_APPEND_DATA
            0x00010000, // DELETE
            0x00020000, // READ_CONTROL
            0x00040000, // WRITE_DAC
            0x00080000, // WRITE_OWNER
            0x00100000, // SYNCHRONIZE
            0x10000000, // GENERIC_ALL
            0x20000000, // GENERIC_EXECUTE
            0x40000000, // GENERIC_WRITE

        }
    }

    @Test
    @DisplayName("Known DOS error is correctly mapped to NTSTATUS")
    void testKnownMapping() {
        final int dosErr = 0x00010001;
        final int expectedNt = 0xc0000002;
        Optional<Integer> actual = findNtStatus(dosErr);
        assertTrue(actual.isPresent(), String.format("Mapping for %08x should exist", dosErr));