// Act & Assert - getOpnum is inherited from SamrConnect2
            assertDoesNotThrow(() -> msg.getOpnum());
            assertEquals(0x39, msg.getOpnum(), "getOpnum should return 0x39 as defined in SamrConnect2");
        }
    }

            ownerNodeType = (src[srcIndex + 16] & 0x60) >> 5;
            isBeingDeleted = ((src[srcIndex + 16] & 0x10) == 0x10) == true;
            isInConflict = ((src[srcIndex + 16] & 0x08) == 0x08) == true;
            isActive = ((src[srcIndex + 16] & 0x04) == 0x04) == true;
            isPermanent = ((src[srcIndex + 16] & 0x02) == 0x02) == true;

            /*

        assertEquals(0x6, AvPair.MsvAvFlags, "MsvAvFlags constant should be 0x6.");
        assertEquals(0x7, AvPair.MsvAvTimestamp, "MsvAvTimestamp constant should be 0x7.");
        assertEquals(0x08, AvPair.MsvAvSingleHost, "MsvAvSingleHost constant should be 0x08.");
        assertEquals(0x09, AvPair.MsvAvTargetName, "MsvAvTargetName constant should be 0x09.");
        assertEquals(0x0A, AvPair.MsvAvChannelBindings, "MsvAvChannelBindings constant should be 0x0A.");

        byte[] dst = new byte[8];
        SessionServicePacket.writeInt4(0x12345678, dst, 0);

        assertEquals((byte) 0x12, dst[0]);
        assertEquals((byte) 0x34, dst[1]);
        assertEquals((byte) 0x56, dst[2]);
        assertEquals((byte) 0x78, dst[3]);
    }

    @ParameterizedTest
    @MethodSource("provideInt4TestValues")
    @DisplayName("writeInt4 should handle various values")

        assertEquals(0x08, SmbConstants.ATTR_VOLUME);
        assertEquals(0x10, SmbConstants.ATTR_DIRECTORY);
    }

    /**
     * Test FLAGS constants.
     */
    @Test
    @DisplayName("FLAGS constants are correct")
    void flagsTest() {
        assertEquals(0x00, SmbConstants.FLAGS_NONE);
        assertEquals(0x08, SmbConstants.FLAGS_PATH_NAMES_CASELESS);

        assertEquals(0x00, SmbConstants.FLAGS_NONE);
        assertEquals(0x01, SmbConstants.FLAGS_LOCK_AND_READ_WRITE_AND_UNLOCK);
        assertEquals(0x02, SmbConstants.FLAGS_RECEIVE_BUFFER_POSTED);
        assertEquals(0x08, SmbConstants.FLAGS_PATH_NAMES_CASELESS);
        assertEquals(0x10, SmbConstants.FLAGS_PATH_NAMES_CANONICALIZED);
        assertEquals(0x20, SmbConstants.FLAGS_OPLOCK_REQUESTED_OR_GRANTED);

        assertEquals((byte) 0x34, dst[1]);
    }

    @Test
    void testWriteInt4() {
        byte[] dst = new byte[4];
        NameServicePacket.writeInt4(0x12345678, dst, 0);
        assertEquals((byte) 0x12, dst[0]);
        assertEquals((byte) 0x34, dst[1]);
        assertEquals((byte) 0x56, dst[2]);
        assertEquals((byte) 0x78, dst[3]);
    }

    @Test
    void testReadInt2() {

        context.initSecContext(new byte[0], 0, 0);

        // Create a mock Type 2 message (server challenge)
        byte[] serverChallenge = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
        int type2Flags = NtlmFlags.NTLMSSP_NEGOTIATE_NTLM | NtlmFlags.NTLMSSP_REQUEST_TARGET | NtlmFlags.NTLMSSP_NEGOTIATE_KEY_EXCH
                | NtlmFlags.NTLMSSP_NEGOTIATE_SIGN;

            byte[] buffer = new byte[24];
            // Skip idFileSystem (4 bytes)
            buffer[4] = 0x08; // sectPerAlloc = 8
            buffer[8] = 0x00;
            buffer[9] = 0x10; // alloc = 4096
            buffer[12] = 0x00;
            buffer[13] = 0x08; // free = 2048
            buffer[16] = 0x00;
            buffer[17] = 0x02; // bytesPerSect = 512

            byte[] buffer2 = createValidOplockBreakBuffer((byte) 0x08, fileId2);
            notification.readBytesWireFormat(buffer2, 0);

            // Verify second read overwrote first read values
            Field oplockLevelField = Smb2OplockBreakNotification.class.getDeclaredField("oplockLevel");
            oplockLevelField.setAccessible(true);
            assertEquals((byte) 0x08, oplockLevelField.get(notification));