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());

            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;

    @DisplayName("writeAndXWireFormat without andx writes 0xFF and sentinel offset")
    void testWriteAndXWireFormatWithoutAndx() {
        DummyAndXBlock block = new DummyAndXBlock();
        byte[] buf = new byte[128];
        int n = block.writeAndXWireFormat(buf, 0);

        assertTrue(n > 0);
        // Common AndX header: command at +1, reserved at +2, offset at +3/+4

						Name:     "gnu-sparse",
						Size:     6e10,
						SparseHoles: []sparseEntry{
							{Offset: 0e10, Length: 1e10 - 100},
							{Offset: 1e10, Length: 1e10 - 100},
							{Offset: 2e10, Length: 1e10 - 100},
							{Offset: 3e10, Length: 1e10 - 100},
							{Offset: 4e10, Length: 1e10 - 100},
							{Offset: 5e10, Length: 1e10 - 100},
						},
					}, nil},
					testReadFrom{fileOps{

    @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

}

// 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:

     * @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

        if (startPosition * 2 >= windowSize) {
            int offset = params.getOffset();
            if (offset < 0) {
                offset = 0;
            } else if (offset > windowSize / 2) {
                offset = windowSize / 2;
            }
            int start = startPosition - offset;
            if (start < 0) {
                start = 0;
            }

        byte[] buffer = new byte[10];
        int offset = 2;

        // Act
        int bytesWritten = transPeekNamedPipe.writeSetupWireFormat(buffer, offset);

        // Assert
        assertEquals(4, bytesWritten);
        assertEquals(SmbComTransaction.TRANS_PEEK_NAMED_PIPE, buffer[offset]);
        assertEquals((byte) 0x00, buffer[offset + 1]);

        // Verify FID is written correctly (little-endian)