assertEquals(FileSystemInformation.FS_FULL_SIZE_INFO, fileFsFullSizeInfo.getFileSystemInformationClass());
        }
    }

    @Nested
    @DisplayName("Decode Method Tests")
    class DecodeMethodTests {

        @Test
        @DisplayName("Should decode buffer with typical values correctly")
        void shouldDecodeBufferWithTypicalValues() throws SMBProtocolDecodingException {

    @Test
    @DisplayName("Should define decode method")
    void testDecodeMethod() throws SMBProtocolDecodingException {
        // Given
        byte[] buffer = new byte[10];
        int bufferIndex = 0;
        int len = 10;
        when(mockDecodable.decode(buffer, bufferIndex, len)).thenReturn(10);

        // When
        int decodedLength = mockDecodable.decode(buffer, bufferIndex, len);

        // Then

                _src = _src.deferred;
                this.root_directory.decode(_src);

            }
            if (_object_namep != 0) {
                if (this.object_name == null) { /* YOYOYO */
                    this.object_name = new rpc.unicode_string();
                }
                _src = _src.deferred;
                this.object_name.decode(_src);

            }

            // Setup for SamrSamEntry decode chain
            mockDeferredBuffer.deferred = mockDeferredBuffer;
            when(mockDeferredBuffer.dec_ndr_short()).thenReturn(0, 0, 0);

            // When: Decoding output
            message.decode_out(mockNdrBuffer);

            // Then: Should decode all output parameters
            verify(samArray).decode(mockNdrBuffer);

            int decodedSize = context.decode(buffer, 0, buffer.length);

            // Assert
            assertEquals(12, decodedSize);
            assertArrayEquals(new int[] { 1, 2 }, context.getHashAlgos());
            assertArrayEquals(new byte[] { 0x0A, 0x0B, 0x0C, 0x0D }, context.getSalt());
        }

        @Test
        @DisplayName("Should handle empty arrays in decode")

        m.ptype = 0; // Request type
        NdrBuffer buf = new NdrBuffer(new byte[1024], 0);
        m.encode(buf);

        buf.setIndex(0);
        // Decode will throw exception as ptype 0 is not a valid response type
        assertThrows(NdrException.class, () -> m.decode(buf));
    }

    @Test
    void testRoundTripEncodeDecodeForResponseType() throws Exception {
        // Create a properly formatted response message

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

            }
        }

        @Override
        public void decode(NdrBuffer _src) throws NdrException {
            _src.align(4);
            final int _netnamep = _src.dec_ndr_long();

            if (_netnamep != 0) {
                _src = _src.deferred;

        // Use the encoded buffer for decoding
        NdrBuffer src = new NdrBuffer(encodeBuffer, 0);
        netdfs.DfsInfo1 decodedInfo1 = new netdfs.DfsInfo1();
        decodedInfo1.decode(src);

        assertEquals(info1.entry_path, decodedInfo1.entry_path);
    }

    @Test
    void testDfsInfo1_EncodeDecode_NullEntryPath() throws NdrException {
        netdfs.DfsInfo1 info1 = new netdfs.DfsInfo1();

        bb.putShort((short) 0);

        // Decode with exact length
        int decodedSize = referral.decode(testBuffer, 0, 24);
        assertEquals(24, decodedSize);

        // Decode with excess length
        Referral referral2 = new Referral();
        decodedSize = referral2.decode(testBuffer, 0, 512);
        assertEquals(24, decodedSize);
    }

        // Test decode
        int size = ace.decode(testBuffer, 0, testBuffer.length);

        // Verify results
        assertEquals(32, size);
        assertTrue(ace.isAllow());
        assertEquals(0x03, ace.getFlags());
        assertEquals(0x001200A9, ace.getAccessMask());
        assertNotNull(ace.getSID());
    }

    @Test
    @DisplayName("Test decode with deny ACE")