int bytesWritten = packet.writeTrailerWireFormat(dst, offset);

        assertTrue(bytesWritten > 0);
        // Check that bytes before offset are unchanged
        for (int i = 0; i < offset; i++) {
            assertEquals((byte) 0xFF, dst[i]);
        }
        // Check that bytes after offset are written
        assertNotEquals((byte) 0xFF, dst[offset]);
    }

    @Test

        this.fid = fid;
        this.offset = offset;
        this.remaining = remaining;
        this.b = b;
        this.off = off;
        dataLength = len;
        command = SMB_COM_WRITE_ANDX;
    }

    void setParam(final int fid, final long offset, final int remaining, final byte[] b, final int off, final int len) {
        this.fid = fid;
        this.offset = offset;
        this.remaining = remaining;

            return;
        }

        int offset = 0;

        while (offset < outputBuffer.length) {
            // Parse FILE_NOTIFY_INFORMATION structure
            int nextEntryOffset = SMBUtil.readInt4(outputBuffer, offset);
            int action = SMBUtil.readInt4(outputBuffer, offset + 4);
            int fileNameLength = SMBUtil.readInt4(outputBuffer, offset + 8);

            // Extract filename

        assertArrayEquals(new byte[] { 0x02, 0x03, 0x04, 0x00, 0x00 }, dest, "Encoded bytes should match the expected subset");
    }

    @Test
    void testEncodeWithOffset() {
        // Test encoding with a destination offset
        byte[] data = { 0x01, 0x02, 0x03, 0x04, 0x05 };
        ByteEncodable encodable = new ByteEncodable(data, 0, 3);
        byte[] dest = new byte[5]; // {0,0,0,0,0}

        }
    }

    /*
     * static class SynInfo { final String src; final int offset, length; final String[] synonyms; Mode mode; int count;
     * SynInfo(String src, int offset, int length, String[] synonyms){ this.src = src; this.offset = offset; this.length
     * = length; this.synonyms = synonyms; }
     *
     * static enum Mode { PREV, SYN, AFTER; } }
     */

     * Verifies that the method returns the correct time zone offset.
     * @throws CIFSException
     */
    @Test
    void testGetServerTimeZoneOffset() throws CIFSException {
        when(smbTreeHandle.getServerTimeZoneOffset()).thenReturn(0L);
        assertEquals(0L, smbTreeHandle.getServerTimeZoneOffset(), "Server time zone offset should be 0");
        when(smbTreeHandle.getServerTimeZoneOffset()).thenReturn(3600000L);

            assertEquals(12, bytesWritten);
            assertEquals(1, SMBUtil.readInt2(buffer, offset));
            assertEquals(6, SMBUtil.readInt2(buffer, offset + 2));
            assertEquals(PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512, SMBUtil.readInt2(buffer, offset + 4));
            assertArrayEquals(salt, Arrays.copyOfRange(buffer, offset + 6, offset + 12));
        }

 *
 * ```
 *  0..63 : Length of the UTF-16 sequence that this range maps to. The offset is b2b3.
 * 64..79 : Offset by a fixed negative offset. The bottom 4 bits of b1 are the top 4 bits of the offset.
 * 80..95 : Offset by a fixed positive offset. The bottom 4 bits of b1 are the top 4 bits of the offset.
 *    119 : Ignored.
 *    120 : Valid.
 *    121 : Disallowed
 *    122 : Mapped inline to the sequence: [b2].

        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);
    }

        byte[] buffer = new byte[100];
        int offset = 10;

        // When
        int bytesWritten = request.writeBytesWireFormat(buffer, offset);

        // Then
        assertEquals(4, bytesWritten, "Should write 4 bytes");
        // Check that structure size (4) is written as 2-byte little-endian
        assertEquals(4, buffer[offset] | (buffer[offset + 1] << 8), "Structure size should be 4");