/** Helper to manually escape a 7-bit ascii character */
  private String escapeAscii(char c) {
    Preconditions.checkArgument(c < 128);
    String hex = "0123456789ABCDEF";
    return "%" + hex.charAt((c >> 4) & 0xf) + hex.charAt(c & 0xf);
  }

        assertEquals(0xE, PacConstants.DEVICE_INFO_TYPE, "DEVICE_INFO_TYPE should be 0xE");
        assertEquals(0xF, PacConstants.DEVICE_CLAIMS_TYPE, "DEVICE_CLAIMS_TYPE should be 0xF");

        // Verify PAC logon info constants
        assertEquals(0x20, PacConstants.LOGON_EXTRA_SIDS, "LOGON_EXTRA_SIDS should be 0x20");

    /**
     * Buffer type for device information.
     */
    int DEVICE_INFO_TYPE = 0xE;
    /**
     * Buffer type for device claims information.
     */
    int DEVICE_CLAIMS_TYPE = 0xF;

    /**
     * Flag for extra SIDs in logon information.
     */
    int LOGON_EXTRA_SIDS = 0x20;
    /**
     * Flag for resource groups in logon information.
     */
    int LOGON_RESOURCE_GROUPS = 0x200;

  /** Helper to manually escape a 7-bit ascii character */
  private String escapeAscii(char c) {
    Preconditions.checkArgument(c < 128);
    String hex = "0123456789ABCDEF";
    return "%" + hex.charAt((c >> 4) & 0xf) + hex.charAt(c & 0xf);
  }

  @Override
  public final String toString() {
    byte[] bytes = getBytesInternal();
    StringBuilder sb = new StringBuilder(2 * bytes.length);
    for (byte b : bytes) {
      sb.append(hexDigits[(b >> 4) & 0xf]).append(hexDigits[b & 0xf]);
    }
    return sb.toString();
  }

  private static final char[] hexDigits = "0123456789abcdef".toCharArray();

        final byte b3 = DECODE_TABLE[inData.charAt(inIndex + 3)];
        outData[outIndex] = (byte) (b0 << 2 & 0xfc | b1 >> 4 & 0x3);
        outData[outIndex + 1] = (byte) (b1 << 4 & 0xf0 | b2 >> 2 & 0xf);
        outData[outIndex + 2] = (byte) (b2 << 6 & 0xc0 | b3 & 0x3f);
    }

    private static void decode1byte(final String inData, final int inIndex, final byte[] outData, final int outIndex) {

        final int start = dstIndex;
        SMBUtil.writeInt2(48, dst, dstIndex);
        SMBUtil.writeInt2(this.locks.length, dst, dstIndex + 2);
        dstIndex += 4;
        SMBUtil.writeInt4((this.lockSequenceNumber & 0xF) << 28 | this.lockSequenceIndex & 0x0FFFFFFF, dst, dstIndex);
        dstIndex += 4;
        System.arraycopy(this.fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;

        for (final Smb2Lock l : this.locks) {

    private static String bin_to_hex(int value, final int length) {
        final char[] arr = new char[length];
        int ai = arr.length;
        while (ai-- > 0) {
            arr[ai] = HEXCHARS[value & 0xF];
            value >>>= 4;
        }
        return new String(arr);
    }

    private static byte B(final int i) {
        return (byte) (i & 0xFF);
    }

    private static short S(final int i) {

     */
    public static String bin_to_hex(int value, final int length) {
        final char[] arr = new char[length];
        int ai = arr.length;
        while (ai-- > 0) {
            arr[ai] = HEXCHARS[value & 0xF];
            value >>>= 4;
        }
        return new String(arr);
    }

    private static byte B(final int i) {
        return (byte) (i & 0xFF);
    }

    private static short S(final int i) {

        int allStandard = SecurityInfo.OWNER_SECURITY_INFO | SecurityInfo.GROUP_SECURITY_INFO | SecurityInfo.DACL_SECURITY_INFO
                | SecurityInfo.SACL_SECURITY_INFO;
        assertEquals(0xF, allStandard);
    }

    @Test
    @DisplayName("Test flag checking with bitwise AND")
    void testFlagChecking() {
        int flags = SecurityInfo.OWNER_SECURITY_INFO | SecurityInfo.DACL_SECURITY_INFO;