verify(mockNdrBuffer).enc_ndr_long(123);
            verify(mockSidT).encode(mockNdrBuffer);
        }

        @Test
        @DisplayName("Should decode output correctly")
        void testDecodeOut() throws NdrException {
            // Given: Open domain message with mocked return value
            samr.SamrOpenDomain message = new samr.SamrOpenDomain(mockPolicyHandle, 123, mockSidT, mockPolicyHandle);

    }

    /**
     * Test decode with only EOL
     */
    @Test
    @DisplayName("Decode empty list with only EOL")
    void testDecodeEmptyList() throws CIFSException {
        byte[] eolData = createEolData();
        List<AvPair> pairs = AvPairs.decode(eolData);

        assertNotNull(pairs, "Decoded pairs should not be null");

    /**
     * Test decode with null
     *
     * @throws Exception
     */
    public void testDecode_Null() throws Exception {
        final byte[] result = Base64Util.decode(null);
        assertNull("Null should return null", result);
    }

    /**
     * Test encode/decode round trip with various data
     *
     * @throws Exception
     */
    public void testEncodeDecode_RoundTrip() throws Exception {

            verify(mockNdrBuffer).enc_ndr_long(123);
            verify(mockSidT).encode(mockNdrBuffer);
        }

        @Test
        @DisplayName("Should decode output correctly")
        void testDecodeOut() throws NdrException {
            // Given: Open domain message with mocked return value
            samr.SamrOpenDomain message = new samr.SamrOpenDomain(mockPolicyHandle, 123, mockSidT, mockPolicyHandle);

        FileRenameInformation2 original = new FileRenameInformation2(fileName, replaceIfExists);

        // Encode
        byte[] buffer = new byte[200];
        int bytesWritten = original.encode(buffer, 0);

        // Decode
        FileRenameInformation2 decoded = new FileRenameInformation2();
        int bytesRead = decoded.decode(buffer, 0, bytesWritten);

        // Verify round trip
        assertEquals(bytesWritten, bytesRead);

            // When: Decoding the value
            ndrShort.decode(mockBuffer);

            // Then: Should set the negative value directly (no masking on decode)
            verify(mockBuffer).dec_ndr_short();
            assertEquals(negativeValue, ndrShort.value);
        }

        @Test
        @DisplayName("Should decode large value correctly")
        void testDecodeLargeValue() throws NdrException {

        // The actual implementation reassigns _dst = _dst.deferred inside encode(), so we can't verify the exact buffer
        verify(objAttr.root_directory).encode(any(NdrBuffer.class));
        verify(objAttr.object_name).encode(any(NdrBuffer.class));
        verify(objAttr.security_quality_of_service).encode(any(NdrBuffer.class));
    }

    @Test

        // Encode to buffer
        byte[] buffer = new byte[1024];
        NdrBuffer encodeBuffer = new NdrBuffer(buffer, 0);
        domainInfo.encode(encodeBuffer);

        // Decode from buffer
        NdrBuffer decodeBuffer = new NdrBuffer(buffer, 0);
        lsarpc.LsarDomainInfo decodedInfo = new lsarpc.LsarDomainInfo();
        decodedInfo.decode(decodeBuffer);

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {
            _dst.align(4);
            _dst.enc_ndr_referent(this.entry_path, 1);

            if (this.entry_path != null) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(this.entry_path);

            }
        }

        @Override
        public void decode(NdrBuffer _src) throws NdrException {

        // Simulate info pointer (non-null)
        dstOut.enc_ndr_long(1); // Non-null pointer for info
        info.encode(dstOut); // Encode the info structure

        // Simulate totalentries pointer (non-null)
        dstOut.enc_ndr_long(1); // Non-null pointer for totalentries
        totalentries.encode(dstOut); // Encode the totalentries

        dstOut.enc_ndr_long(0); // Simulate retval