assertTrue(result.startsWith("Smb2OpblockBreakNotification["));
            assertTrue(result.contains("oplockLevel=" + oplockLevel));
            assertTrue(result.contains("fileId=" + Hexdump.toHexString(fileId)));
            assertTrue(result.endsWith("]"));
        }

        @Test
        @DisplayName("Should handle null fileId in toString")
        void testToStringWithNullFileId() throws Exception {

        @Override
        public String toString() {
            return ("ServerInfo1[" + "name=" + this.name + ",versionMajor=" + this.versionMajor + ",versionMinor=" + this.versionMinor
                    + ",type=0x" + Hexdump.toHexString(this.type, 8) + ",commentOrMasterBrowser=" + this.commentOrMasterBrowser + "]");
        }
    }

    private int converter, totalAvailableEntries;

    private String lastName;

    /**

    public String toString() {
        return ("SmbComTreeConnectAndX[" + super.toString() + ",disconnectTid=" + this.disconnectTid + ",passwordLength="
                + this.passwordLength + ",password=" + Hexdump.toHexString(this.password, this.passwordLength, 0) + ",path=" + this.path
                + ",service=" + this.service + "]");
    }

                + (suppliedWorkstationString == null ? "null" : suppliedWorkstationString) + ",flags=0x"
                + jcifs.util.Hexdump.toHexString(getFlags(), 8) + "]";
    }

    private void parse(final byte[] material) throws IOException {
        int pos = 0;
        for (int i = 0; i < 8; i++) {
            if (material[i] != NTLMSSP_SIGNATURE[i]) {

    public int instanceHash() {
        return super.hashCode();
    }

    @Override
    public String toString() {
        return getClass().getSimpleName() + ":" + doBuildColumnString(", ") + "@" + Integer.toHexString(hashCode());
    }

    protected abstract String doBuildColumnString(String dm);

    @Override
    public String toStringWithRelation() { // #pending
        return toString();
    }

     * Generates a unique registration ID.
     *
     * @return a unique registration identifier
     */
    private String generateRegistrationId() {
        return "REG-" + System.currentTimeMillis() + "-" + Integer.toHexString(System.identityHashCode(this));
    }

    /**
     * Gets the next sequence number for this registration.
     *
     * @return the next sequence number
     */
    public long getNextSequenceNumber() {

        final StringBuffer sb = new StringBuffer();
        sb.append(isAllow() ? "Allow " : "Deny  ");
        appendCol(sb, this.sid.toDisplayString(), 25);
        sb.append(" 0x").append(Hexdump.toHexString(this.access, 8)).append(' ');
        sb.append(isInherited() ? "Inherited " : "Direct    ");
        appendCol(sb, getApplyToText(), 34);
        return sb.toString();
    }

        case ERROR_ACCESS_DENIED:
            return "Access denied";
        case ERROR_INVALID_STATE:
            return "Invalid state";
        default:
            return "Unknown error: 0x" + Integer.toHexString(returnCode);
        }
    }

    /**
     * Encodes the witness RPC message parameters to NDR format.
     * Subclasses must implement this method to encode their specific parameters.
     *

        this.fileAttributes = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        if (log.isDebugEnabled()) {
            log.debug(String.format("Closed %s (%s)", Hexdump.toHexString(this.fileId), this.fileName));
        }

        return bufferIndex - start;
    }

    byte[] quad = textToNumericFormatV4(dottedQuad);
    if (quad == null) {
      return null;
    }
    String penultimate = Integer.toHexString(((quad[0] & 0xff) << 8) | (quad[1] & 0xff));
    String ultimate = Integer.toHexString(((quad[2] & 0xff) << 8) | (quad[3] & 0xff));
    return initialPart + penultimate + ":" + ultimate;
  }

  private static byte parseOctet(String ipString, int start, int end) {