int maxReferralLevel = -1;

            buffer = new DfsReferralRequestBuffer(path, maxReferralLevel);

            assertNotNull(buffer);
            // Negative values will be cast to unsigned when encoded
            assertEquals(4 + 2 * path.length(), buffer.size());
        }
    }

    @Nested
    @DisplayName("Size Calculation Tests")
    class SizeTests {

        @ParameterizedTest

            assertEquals(maxInt, SMBUtil.readInt4(buffer, startIndex + 16));
        }

        @Test
        @DisplayName("Should encode negative values as unsigned")
        void testEncodeNegativeValues() {
            // Given
            long negativeOffset = -1L;
            int negativeLength = -1;

        }

        @Test
        @DisplayName("Should handle negative structure size as unsigned")
        void testReadBytesWireFormatNegativeAsUnsigned() {
            // Given
            byte[] buffer = new byte[10];
            // Write -1 which will be read as 65535 unsigned
            buffer[0] = (byte) 0xFF;
            buffer[1] = (byte) 0xFF;

            // When & Then

        // The verification should succeed (return false) since we're using the same key
        assertFalse(result);
    }

    @Test
    @DisplayName("Test verify method with unsigned response")
    void testVerifyWithUnsignedResponse() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey);
        byte[] data = new byte[100];

    }

    @Test
    void testMaximumFileSize() {
        // Test with maximum unsigned 32-bit file size
        // Note: fileSize is stored as signed int in SmbComQueryInformationResponse
        // 0xFFFFFFFF becomes -1 when interpreted as signed int
        response = new SmbComQueryInformationResponse(mockConfig, 0L);
        setFieldValue(response, "wordCount", 10);

        assertEquals("1234", Hexdump.toHexString(0x1234, 4));
        assertEquals("34", Hexdump.toHexString(0x1234, 2));

        // Test negative values (treated as unsigned)
        assertEquals("FFFFFFFF", Hexdump.toHexString(-1, 8));
        assertEquals("FFFF", Hexdump.toHexString(-1, 4));
        assertEquals("FF", Hexdump.toHexString(-1, 2));
    }

    @Test

        void testEncodingWithNegativeValues() {
            long negativeOffset = -1L;
            long negativeLength = -100L;
            int negativeFlags = -1;

            lock = new Smb2Lock(negativeOffset, negativeLength, negativeFlags);
            lock.encode(buffer, 0);

            // Negative values should be encoded as unsigned

        public byte[] calculateMIC(byte[] data) throws CIFSException {
            if (data == null) {
                throw new CIFSException("data is null");
            }
            // Trivial MIC: 1-byte sum of all unsigned bytes
            int sum = 0;
            for (byte b : data) {
                sum = (sum + (b & 0xFF)) & 0xFF;
            }
            return new byte[] { (byte) sum };
        }

        @Override

    @Test
    public void testByteOperations() {
        // Test byte operations that were used in the original test
        byte b = (byte) 0xFF;
        int value = b & 0xFF;
        assertEquals(255, value, "Byte to unsigned conversion should work");

        // Test comparison operation
        assertTrue(value == 255, "Comparison should work correctly");
    }

    /**
     * Encode a string as 16-bit little-endian Unicode

    void testReadBytesWireFormatNegativeStructureSize() {
        byte[] buffer = new byte[1024];
        int bufferIndex = 0;

        // Set structure size to -1 (0xFFFF when read as unsigned)
        SMBUtil.writeInt2(0xFFFF, buffer, bufferIndex);

        SMBProtocolDecodingException exception =