// Act
        int actual = req.size();

        // Assert
        assertEquals(expected, actual, "size() must be 8-byte aligned");
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 5 })
    @DisplayName("writeBytesWireFormat writes StructureSize=4 and Reserved=0 at given offset")
    void writeBytesWireFormat_writesExpectedValuesAtOffset(int offset) {
        // Arrange

        // Verify watchTree flag is set to 0x01
        assertEquals(0x01, dst[dstIndex + 6]);
    }

    @ParameterizedTest
    @DisplayName("Test writeSetupWireFormat with various FID values")
    @ValueSource(ints = { 0x0000, 0x0001, 0x7FFF, 0xFFFF, 0x1234, 0xABCD })
    void testWriteSetupWireFormatWithVariousFids(int fid) {
        notifyChange = new NtTransNotifyChange(mockConfig, fid, FILE_NOTIFY_CHANGE_FILE_NAME, false);

        int reserved = SMBUtil.readInt2(buffer, 4);
        assertEquals(0, reserved);
    }

    @DisplayName("Test writeParametersWireFormat with different FIDs")
    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 0xFFFF, 0x8000, 0x7FFF })
    void testWriteParametersWireFormatWithDifferentFids(int fid) {
        when(mockFileInfo.getFileInformationLevel()).thenReturn((byte) FileInformation.FILE_BASIC_INFO);

        assertEquals(0x34, buffer[1] & 0xFF);
        assertEquals(0x56, buffer[2] & 0xFF);
        assertEquals(0x78, buffer[3] & 0xFF);
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 255, 256, 65535, 65536, Integer.MAX_VALUE })
    @DisplayName("Should handle boundary values")
    void testBoundaryValues(int value) {
        // Given
        byte[] buffer = new byte[4];

        // When

            assertDoesNotThrow(() -> request.setData(emptyData, 0, 0));
        }

        @ParameterizedTest
        @DisplayName("Should handle various data sizes")
        @ValueSource(ints = { 0, 1, 100, 1024, 4096, 65536, 1048576 })
        void testVariousDataSizes(int size) {
            byte[] data = new byte[size];
            assertDoesNotThrow(() -> request.setData(data, 0, size));
        }

            startLatch.countDown();
            assertTrue(endLatch.await(1, TimeUnit.SECONDS));
            assertTrue(response.isError());
        }
    }

    @ParameterizedTest
    @ValueSource(ints = { NtStatus.NT_STATUS_SUCCESS, NtStatus.NT_STATUS_PENDING, NtStatus.NT_STATUS_ACCESS_DENIED,
            NtStatus.NT_STATUS_INVALID_PARAMETER })
    @DisplayName("Should handle various status codes")

    void decodesSrvCopyChunkCopyResponse() throws Exception {
        // Validate createOutputDecodable() mapping and Decodable decode
        byte[] header = buildHeader(NtStatus.NT_STATUS_SUCCESS);

        // Prepare 3 ints: chunksWritten=1, chunkBytesWritten=2, totalBytesWritten=3
        byte[] out = new byte[12];
        SMBUtil.writeInt4(1, out, 0);
        SMBUtil.writeInt4(2, out, 4);
        SMBUtil.writeInt4(3, out, 8);

//
// floating point conditional branch
//
//	LBRA rel
label4:
	BFPT	1(PC)	// BFPT 1(PC)			// 4501000100000000
	BFPT	label4	// BFPT 24			// 4501fffd00000000

//inst:
//
// load ints and bytes
//
//	LMOVV rreg ',' rreg
//	{
//		outcode(int($1), &$2, 0, &$4);
//	}
	MOVV	R25, R17	// 00198825
	MOVV	R1, R2		// 00011025
	MOVV	LO, R1		// 00000812
	MOVV	HI, R1		// 00000810

        // Valid inputs: each known code must map to its documented message
        assertEquals(expectedMessage, lookupMessage(code).orElse(null));
    }

    @ParameterizedTest
    @ValueSource(ints = { -1, Integer.MIN_VALUE, Integer.MAX_VALUE })
    @DisplayName("Unknown codes: lookup returns empty Optional")
    void lookup_returns_empty_for_unknown_codes(int unknownCode) {

     * CRC(A000A000A000...), CRC(0B000B000B...), CRC(00C000C000C...), CRC(000D000D000D...)
     * and then to XOR them together.  The strideTable enables us to hash an int followed by 12
     * zero bytes (3 ints), while the byteTable is for advancing one byte at a time.
     * This algorithm is due to the paper "Everything we know about CRC but [are] afraid to forget"
     * by Kadatch and Jenkins, 2010.
     */

    Crc32cHasher() {