}

    @Test
    @DisplayName("Should handle output buffer with offset")
    void testReadBytesWireFormatWithOutputOffset() throws Exception {
        // Given
        int offset = 100;
        byte[] largeOutputBuffer = new byte[1024];
        Smb2ReadResponse offsetResponse = new Smb2ReadResponse(mockConfig, largeOutputBuffer, offset);

        byte[] buffer = new byte[256];
        int bodyStart = 0;

        int offset = 64; // Start at offset to test proper indexing

        int written = request.writeBytesWireFormat(buffer, offset);

        // Verify bytes written
        assertEquals(24, written);

        // Verify structure size (should be 24)
        assertEquals(24, SMBUtil.readInt2(buffer, offset));

        // Verify Reserved1 (2 bytes at offset+2, should be 0)

    @Test
    @DisplayName("Test decode with buffer offset")
    void testDecodeWithBufferOffset() throws SMBProtocolDecodingException {
        // Prepare test data with offset
        byte[] buffer = new byte[20]; // Extra space to test offset
        int bufferIndex = 7; // Start at offset 7
        long expectedIndexNumber = 0xFEDCBA9876543210L;

        // Encode test data at offset

            assertEquals(expected[i], dst[offset + i], () -> "byte index " + idx);
        }
        // The region before offset and after the payload must remain untouched.
        for (int i = 0; i < offset; i++) {
            final int idx = i;
            assertEquals(0, dst[i], () -> "pre-offset byte " + idx + " modified");
        }
        for (int i = offset + 8; i < dst.length; i++) {
            final int idx = i;

        SMBUtil.writeInt2(0x8004, buffer, 22); // Control flags
        SMBUtil.writeInt4(0, buffer, 24); // Owner offset
        SMBUtil.writeInt4(0, buffer, 28); // Group offset
        SMBUtil.writeInt4(0, buffer, 32); // SACL offset
        SMBUtil.writeInt4(0, buffer, 36); // DACL offset

        int result = response.readBytesWireFormat(buffer, bufferIndex);

        assertNotNull(response.getInfo());

     * @param offset the file offset at which to write
     * @param remaining the number of bytes remaining to be written
     * @param b the data buffer containing bytes to write
     * @param off the offset in the buffer where data starts
     * @param len the number of bytes to write
     */
    public SmbComWrite(final Configuration config, final int fid, final int offset, final int remaining, final byte[] b, final int off,

     */
    public Smb2RdmaTransform(long offset, int token, int length) {
        this.offset = offset;
        this.token = token;
        this.length = length;
    }

    /**
     * Get buffer offset
     *
     * @return offset within registered buffer
     */
    public long getOffset() {
        return offset;
    }

    /**
     * Get RDMA token
     *
     * @return RDMA provider token

        // Test reading data from different buffer offsets
        byte[] testData = "Test data with offset".getBytes();
        byte[] buffer = new byte[200];
        int offset = 50;
        System.arraycopy(testData, 0, buffer, offset, testData.length);

        int result = response.readDataWireFormat(buffer, offset, testData.length);

        assertEquals(testData.length, result);

}

// ARM64RegisterListOffset generates offset encoding according to AArch64 specification.
func ARM64RegisterListOffset(firstReg, regCnt int, arrangement int64) (int64, error) {
	offset := int64(firstReg)
	switch regCnt {
	case 1:
		offset |= 0x7 << 12
	case 2:
		offset |= 0xa << 12
	case 3:
		offset |= 0x6 << 12
	case 4:
		offset |= 0x2 << 12
	default:

        final int offset = readULong(src, index + 4);
        final byte[] buffer = new byte[length];
        System.arraycopy(src, offset, buffer, 0, length);
        return buffer;
    }

    static void writeULong(final byte[] dest, final int offset, final int ulong) {
        dest[offset] = (byte) (ulong & 0xff);
        dest[offset + 1] = (byte) (ulong >> 8 & 0xff);