// Encode "TEST" (0x54 0x45 0x53 0x54)
        // T=0x54: upper nibble 0x5->F(0x46), lower nibble 0x4->E(0x45)
        src[1] = 'F';
        src[2] = 'E'; // T
        // E=0x45: upper nibble 0x4->E(0x45), lower nibble 0x5->F(0x46)
        src[3] = 'E';
        src[4] = 'F'; // E
        // S=0x53: upper nibble 0x5->F(0x46), lower nibble 0x3->D(0x44)
        src[5] = 'F';
        src[6] = 'D'; // S

    static final int QUERY = 0;
    static final int WACK = 7;

    // rcode
    static final int FMT_ERR = 0x1;
    static final int SRV_ERR = 0x2;
    static final int IMP_ERR = 0x4;
    static final int RFS_ERR = 0x5;
    static final int ACT_ERR = 0x6;
    static final int CFT_ERR = 0x7;

    // type/class
    static final int NB_IN = 0x00200001;
    static final int NBSTAT_IN = 0x00210001;
    static final int NB = 0x0020;

    static final int QUERY = 0;
    static final int WACK = 7;

    // rcode
    static final int FMT_ERR = 0x1;
    static final int SRV_ERR = 0x2;
    static final int IMP_ERR = 0x4;
    static final int RFS_ERR = 0x5;
    static final int ACT_ERR = 0x6;
    static final int CFT_ERR = 0x7;

    // type/class
    static final int NB_IN = 0x00200001;
    static final int NBSTAT_IN = 0x00210001;
    static final int NB = 0x0020;

        // Verify all constants have expected values
        assertEquals((byte) 20, FileInformation.FILE_ENDOFFILE_INFO);
        assertEquals((byte) 0x4, FileInformation.FILE_BASIC_INFO);
        assertEquals((byte) 0x5, FileInformation.FILE_STANDARD_INFO);
        assertEquals((byte) 0x6, FileInformation.FILE_INTERNAL_INFO);
        assertEquals((byte) 10, FileInformation.FILE_RENAME_INFO);
    }

    /**

      0xfc,
      0x73,
      0xfd,
      0x1ffb,
      0x7fff0,
      0x1ffc,
      0x3ffc,
      0x22,
      0x7ffd,
      0x3,
      0x23,
      0x4,
      0x24,
      0x5,
      0x25,
      0x26,
      0x27,
      0x6,
      0x74,
      0x75,
      0x28,
      0x29,
      0x2a,
      0x7,
      0x2b,
      0x76,
      0x2c,
      0x8,

    assertThrows(NumberFormatException.class, () -> UnsignedLongs.decode("-5"));

    assertThrows(NumberFormatException.class, () -> UnsignedLongs.decode("-0x5"));

    assertThrows(NumberFormatException.class, () -> UnsignedLongs.decode("-05"));
  }

  public void testParseLongWithRadix() {
    assertThat(UnsignedLongs.parseUnsignedLong("ffffffffffffffff", 16))

        assertEquals(0x2, Smb2CreateRequest.FILE_CREATE);
        assertEquals(0x3, Smb2CreateRequest.FILE_OPEN_IF);
        assertEquals(0x4, Smb2CreateRequest.FILE_OVERWRITE);
        assertEquals(0x5, Smb2CreateRequest.FILE_OVERWRITE_IF);
    }

    @Test
    @DisplayName("Test file create options constants")
    void testFileCreateOptionsConstants() {

        }

        @Test
        @DisplayName("Textual constructor with hex identifier authority")
        void testTextualConstructorHexAuthority() throws Exception {
            // Arrange: 0x5 == decimal 5 results in decimal authority in toString
            SID sid = new SID("S-1-0x000000000005-21-99");

            // Act
            String s = sid.toString();

            // Assert

      encodings[ 0x1] = encoding // Start of Header
      encodings[ 0x2] = encoding // Start of Text
      encodings[ 0x3] = encoding // End of Text
      encodings[ 0x4] = encoding // End of Transmission
      encodings[ 0x5] = encoding // Enquiry
      encodings[ 0x6] = encoding // Acknowledgment
      encodings[ 0x7] = encoding // Bell
      encodings['\b'.code] = encoding // Backspace
      encodings[ 0xb] = encoding // Vertical Tab

     */
    public static final int FILE_OVERWRITE = 0x4;
    /**
     * If file exists, overwrite it. Otherwise create the file
     */
    public static final int FILE_OVERWRITE_IF = 0x5;

    /**
     * File being created or opened must be a directory
     */
    public static final int FILE_DIRECTORY_FILE = 0x1;
    /**
     * Write operations go directly to persistent storage
     */