log.debug("Sign key is " + Hexdump.toHexString(this.signKey));
            log.debug("Verify key is " + Hexdump.toHexString(this.verifyKey));
        }

        this.sealClientKey = deriveKey(mk, C2S_SEAL_CONSTANT);
        this.sealClientHandle = Crypto.getArcfour(this.sealClientKey);
        if (log.isDebugEnabled()) {
            log.debug("Seal key is " + Hexdump.toHexString(this.sealClientKey));
        }

        // Test zero
        assertEquals("00000000", Hexdump.toHexString(0, 8));
        assertEquals("0000", Hexdump.toHexString(0, 4));
        assertEquals("00", Hexdump.toHexString(0, 2));

        // Test positive values
        assertEquals("000000FF", Hexdump.toHexString(255, 8));
        assertEquals("00FF", Hexdump.toHexString(255, 4));
        assertEquals("FF", Hexdump.toHexString(255, 2));

        // Test larger values

        String str = notifyChange.toString();
        assertTrue(str.contains("NtTransNotifyChange"));
        assertTrue(str.contains("fid=0x" + Hexdump.toHexString(fid, 4)));
        assertTrue(str.contains("filter=0x" + Hexdump.toHexString(completionFilter, 4)));
        assertTrue(str.contains("watchTree=" + watchTree));
    }

    @Test
    @DisplayName("Test constructor with watchTree enabled")

                if (log.isDebugEnabled()) {
                    log.debug("signature verification failure"); //$NON-NLS-1$
                    log.debug("Expect: " + Hexdump.toHexString(signature, 0, 8));
                    log.debug("Have: " + Hexdump.toHexString(data, offset + SmbConstants.SIGNATURE_OFFSET, 8));
                }
                return true;
            }
        }

        return false;
    }

                + ",maxBufferSize=" + this.server.maxBufferSize + ",maxRawSize=" + this.server.maxRawSize + ",sessionKey=0x"
                + Hexdump.toHexString(this.server.sessKey, 8) + ",capabilities=0x" + Hexdump.toHexString(this.server.scapabilities, 8)
                + ",serverTime=" + new Date(this.server.serverTime) + ",serverTimeZone=" + this.server.serverTimeZone

        // Test toString contains the expected values to verify field initialization
        String str = querySecurityDesc.toString();
        assertTrue(str.contains("fid=0x" + Hexdump.toHexString(fid, 4)));
        assertTrue(str.contains("securityInformation=0x" + Hexdump.toHexString(securityInfo, 8)));
    }

    @Test
    @DisplayName("Test constructor with different security information flags")
    void testConstructorWithDifferentSecurityFlags() {

      else -> {
        throw ProtocolException("Unknown control opcode: " + opcode.toHexString())
      }
    }
  }

  @Throws(IOException::class)
  private fun readMessageFrame() {
    val opcode = this.opcode
    if (opcode != OPCODE_TEXT && opcode != OPCODE_BINARY) {
      throw ProtocolException("Unknown opcode: ${opcode.toHexString()}")
    }

    readMessage()

    if (readingCompressedMessage) {

        case ACT_ERR -> "ACT_ERR";
        case CFT_ERR -> "CFT_ERR";
        default -> "0x" + Hexdump.toHexString(resultCode, 1);
        };
        questionTypeString = switch (questionType) {
        case NB -> "NB";
        case NBSTAT -> "NBSTAT";
        default -> "0x" + Hexdump.toHexString(questionType, 4);
        };
        recordTypeString = switch (recordType) {
        case A -> "A";

        case ACT_ERR -> "ACT_ERR";
        case CFT_ERR -> "CFT_ERR";
        default -> "0x" + Hexdump.toHexString(this.resultCode, 1);
        };
        questionTypeString = switch (this.questionType) {
        case NB -> "NB";
        case NBSTAT -> "NBSTAT";
        default -> "0x" + Hexdump.toHexString(this.questionType, 4);
        };
        recordTypeString = switch (this.recordType) {
        case A -> "A";

  try {
    close()
  } catch (rethrown: RuntimeException) {
    throw rethrown
  } catch (_: Exception) {
  }
}

internal fun Long.toHexString(): String = java.lang.Long.toHexString(this)

internal fun Int.toHexString(): String = Integer.toHexString(this)

internal fun <T> readFieldOrNull(
  instance: Any,
  fieldType: Class<T>,
  fieldName: String,
): T? {
  var c: Class<*> = instance.javaClass