readn(this.in, buffer, Smb2Constants.SMB2_HEADER_LENGTH, rl - Smb2Constants.SMB2_HEADER_LENGTH);

                len = cur.decode(buffer, 0, true);
                if (len > rl) {
                    throw new IOException(String.format("WHAT? ( read %d decoded %d ): %s", rl, len, cur));
                }
                if (nextCommand != 0 && len > nextCommand) {

        SMBUtil.writeInt8(expectedIndexNumber, buffer, bufferIndex);

        // Decode
        int bytesDecoded = fileInternalInfo.decode(buffer, bufferIndex, 8);

        // Verify
        assertEquals(8, bytesDecoded);
        assertEquals(expectedIndexNumber, fileInternalInfo.getIndexNumber());
    }

    @Test
    @DisplayName("Test decode with zero index number")

        // Decode
        fileBothDirectoryInfo.decode(buffer, 0, buffer.length);

        // Verify - the decode method strips null termination, so filename should match
        assertEquals(expectedFilename, fileBothDirectoryInfo.getFilename());
    }

    @Test
    @DisplayName("Test decode with null-terminated non-Unicode filename")

    }

    @Test
    @DisplayName("Test decode with minimum valid length")
    void testDecodeMinimumValidLength() throws SMBProtocolDecodingException {
        // Prepare minimum valid buffer - exactly 24 bytes
        byte[] buffer = new byte[28];
        Arrays.fill(buffer, 0, 24, (byte) 0xAA);

        // Decode with len = 24 (minimum valid)
        int bytesConsumed = response.decode(buffer, 0, 24);

        // Decode and verify
        fileStandardInfo.decode(buffer, 0, buffer.length);
        assertEquals(expectedEndOfFile, fileStandardInfo.getSize());
    }

    @Test
    @DisplayName("Test size method returns 22")
    void testSize() {
        assertEquals(22, fileStandardInfo.size());
    }

    @Test
    @DisplayName("Test decode with valid data")

            // 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);

        assertEquals(0x1111, response.getSecurityMode(), "First decode security mode");
        assertEquals(0x0210, response.getDialect(), "First decode dialect");

        // Second decode - should overwrite values
        byte[] buffer2 = new byte[50];
        SMBUtil.writeInt4(0x22222222, buffer2, 0);
        SMBUtil.writeInt2(0x2222, buffer2, 20);
        SMBUtil.writeInt2(0x0311, buffer2, 22);

        SMBUtil.writeInt4(messageLength, buffer, bufferIndex + 12);
        System.arraycopy(testData, 0, buffer, bufferIndex + 16, testData.length);

        // Decode
        int bytesDecoded = response.decode(buffer, bufferIndex, buffer.length);

        // Verify results
        assertEquals(namedPipeState, response.getNamedPipeState());
        assertEquals(readDataAvailable, response.getReadDataAvailable());

            // 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 {

            assertEquals(0, buffer.getNumReferrals());
            assertEquals(0, buffer.getTflags());
        }
    }

    @Nested
    @DisplayName("Decode Tests")
    class DecodeTests {

        @Test
        @DisplayName("Should decode buffer with no referrals")
        void testDecodeNoReferrals() {
            // Prepare test data: pathConsumed=0, numReferrals=0, tflags=0