}

        @ParameterizedTest
        @DisplayName("Should read different oplock levels correctly")
        @ValueSource(bytes = { 0x00, 0x01, 0x02, 0x08, (byte) 0xFF })
        void testReadDifferentOplockLevels(byte oplockLevel) throws Exception {
            byte[] buffer = createValidOplockBreakBuffer(oplockLevel, createTestData(16));

        @Test
        @DisplayName("Should not modify reserved field bytes")
        void testReservedFieldNotModified() {
            lock = new Smb2Lock(999L, 888L, 0xFF);

            // Fill buffer with non-zero values
            Arrays.fill(buffer, (byte) 0xFF);

            lock.encode(buffer, 0);

            // Reserved field bytes are not modified by the encode method

      return strideTable[3][word & 0xFF]
          ^ strideTable[2][(word >>> 8) & 0xFF]
          ^ strideTable[1][(word >>> 16) & 0xFF]
          ^ strideTable[0][word >>> 24];
    }

    static int combine(int csum, int crc) {
      csum ^= crc;
      for (int i = 0; i < 4; i++) {
        csum = (csum >>> 8) ^ byteTable[csum & 0xFF];
      }
      return csum;
    }

            e.name = readString(buffer, bufferIndex, 16, false);
            bufferIndex += 16;
            e.versionMajor = buffer[bufferIndex] & 0xFF;
            bufferIndex++;
            e.versionMinor = buffer[bufferIndex++] & 0xFF;
            e.type = SMBUtil.readInt4(buffer, bufferIndex);
            bufferIndex += 4;
            int off = SMBUtil.readInt4(buffer, bufferIndex);

        dialectIndex = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        if (dialectIndex > 10) {
            return bufferIndex - start;
        }
        server.securityMode = buffer[bufferIndex] & 0xFF;
        bufferIndex++;
        server.security = server.securityMode & 0x01;
        server.encryptedPasswords = (server.securityMode & 0x02) == 0x02;
        server.signaturesEnabled = (server.securityMode & 0x04) == 0x04;

        assertTrue(messageBytes.length >= 12);
        // Message type should be 3 (little endian)
        assertEquals(3, messageBytes[8] & 0xFF);
        assertEquals(0, messageBytes[9] & 0xFF);
        assertEquals(0, messageBytes[10] & 0xFF);
        assertEquals(0, messageBytes[11] & 0xFF);
    }

    @Test
    @DisplayName("Should generate LM and NTLM responses")
    void testLMAndNTLMResponses() throws Exception {

        for (int i = 0; i < dst.length; i++) {
            dst[i] = (byte) (i & 0xFF);
        }

        int startIndex = 5;
        int bytesWritten = notifyChange.writeSetupWireFormat(dst, startIndex);

        // Check that bytes before startIndex are unchanged
        for (int i = 0; i < startIndex; i++) {
            assertEquals((byte) (i & 0xFF), dst[i]);
        }

            e.name = readString(buffer, bufferIndex, 16, false);
            bufferIndex += 16;
            e.versionMajor = buffer[bufferIndex] & 0xFF;
            bufferIndex++;
            e.versionMinor = buffer[bufferIndex++] & 0xFF;
            e.type = readInt4(buffer, bufferIndex);
            bufferIndex += 4;
            int off = readInt4(buffer, bufferIndex);
            bufferIndex += 4;

            baos.write(content.length);
        } else {
            baos.write(0x82); // length of length = 2
            baos.write((content.length >> 8) & 0xFF);
            baos.write(content.length & 0xFF);
        }

        baos.write(content);
        return baos.toByteArray();
    }

                buffer[i] = (byte) 0xFF;
            }

            int startIndex = 50;
            echoRequest.writeBytesWireFormat(buffer, startIndex);

            // Check bytes before written area are unchanged
            for (int i = 0; i < startIndex; i++) {
                assertEquals((byte) 0xFF, buffer[i]);
            }