assertTrue(result > 0);

            // Verify header
            for (int i = 0; i < 8; i++) {
                assertEquals((byte) 0xFF, testBuffer[i]);
            }

            // Verify name was copied
            byte[] nameCheck = new byte[testName.length];
            System.arraycopy(testBuffer, 8, nameCheck, 0, testName.length);
            assertArrayEquals(testName, nameCheck);
        }

        @Test

            int dataOffsetValue = SMBUtil.readInt2(buffer, headerStart + 2);
            assertEquals(headerStart - 0 + 48, dataOffsetValue); // Assuming getHeaderStart() returns 0

            // Verify data is copied
            assertArrayEquals(data, Arrays.copyOfRange(buffer, headerStart + 48, headerStart + 48 + data.length));

            // Verify total bytes written
            assertEquals(48 + data.length, bytesWritten);

                    }

                    i = i == 1 ? 0 : 1;
                    off += read;
                }

                if (log.isDebugEnabled()) {
                    log.debug(String.format("Copied a total of %d bytes", off));
                }

                if (dh.isSMB2()) {
                    final Smb2SetInfoRequest req = new Smb2SetInfoRequest(dh.getConfig(), dfd.getFileId());

        assertEquals(0, SMBUtil.readInt2(buffer, offset + 2));

        // Verify Reserved2 (4 bytes at offset+4, should be 0)
        assertEquals(0, SMBUtil.readInt4(buffer, offset + 4));

        // Verify file ID is copied correctly (16 bytes starting at offset+8)
        byte[] copiedFileId = new byte[16];
        System.arraycopy(buffer, offset + 8, copiedFileId, 0, 16);
        assertArrayEquals(testFileId, copiedFileId);
    }

        assertEquals(5, d.getBufferDataStart(), "bufDataStart inferred from totalParameterCount");
    }

    /**
     * Exercise readBytesWireFormat where both parameter and data are
     * copied in a single call.
     */
    @Test
    public void readBytesWireFormat_succeedsWithSingleRead() {
        DummyResponse d = new DummyResponse();
        // Allocate a transaction buffer large enough for the copy

            assertEquals(1, testResponse.getDecodeCallCount());
            assertNotNull(testResponse.getData());
            assertEquals(length, testResponse.getData().length);

            // Verify data was copied correctly
            for (int i = 0; i < length; i++) {
                assertEquals(testBuffer[10 + i], testResponse.getData()[i]);
            }
        }

        @Test

        assertEquals(0, SMBUtil.readInt2(buffer, offset + 2));

        // Verify Reserved (4 bytes at offset+4, should be 0)
        assertEquals(0, SMBUtil.readInt4(buffer, offset + 4));

        // Verify file ID is copied correctly (16 bytes starting at offset+8)
        byte[] copiedFileId = new byte[16];
        System.arraycopy(buffer, offset + 8, copiedFileId, 0, 16);
        assertArrayEquals(testFileId, copiedFileId);
    }

        @Test
        @DisplayName("Should handle partial copy operations")
        void testPartialCopyOperation() throws SMBProtocolDecodingException {
            // Simulate partial copy where not all requested bytes were copied
            byte[] buffer = createValidCopyChunkResponse(3, // Only 3 chunks written (maybe less than requested)
                    65536, // 64KB per chunk
                    196608 // 192KB total (3 * 64KB)
            );

            // When
            int bytesWritten = copy.encode(buffer, startIndex);

            // Then
            assertEquals(HEADER_SIZE, bytesWritten);

            // Verify source key is copied correctly
            for (int i = 0; i < SOURCE_KEY_SIZE; i++) {
                assertEquals(sourceKey[i], buffer[startIndex + i], "Source key byte at position " + i + " doesn't match");
            }
        }

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