int bytesEncoded = fileInternalInfo.encode(destinationBuffer, 0);

        // Verify
        assertEquals(8, bytesEncoded);
        assertEquals(expectedIndexNumber, SMBUtil.readInt8(destinationBuffer, 0));
    }

    @Test
    @DisplayName("Test encode with buffer offset")
    void testEncodeWithBufferOffset() throws SMBProtocolDecodingException {
        // First decode to set internal state

        // Verify token length
        assertEquals(TEST_TOKEN.length, SMBUtil.readInt2(buffer, bodyOffset + 14));

        // Verify previous session ID
        assertEquals(TEST_PREVIOUS_SESSION_ID, SMBUtil.readInt8(buffer, bodyOffset + 16));

        // Verify token content at the security buffer offset
        int securityBufferOffset = SMBUtil.readInt2(buffer, bodyOffset + 12);

        bufferIndex += 8;
        this.extFileAttributes = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.allocationSize = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.fileType = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;

        bufferIndex += 8;
        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.allocationSize = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.extFileAttributes = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        int fileNameLength = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        this.leaseKey = new Smb2LeaseKey(keyBytes);
        bufferIndex += 16;

        // LeaseState (4 bytes)
        this.leaseState = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        // LeaseDuration (8 bytes)
        this.leaseDuration = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;

        return bufferIndex - start;
    }

    @Override

        assertEquals(22, bytesEncoded);

        // Verify encoded data
        assertEquals(expectedAllocationSize, SMBUtil.readInt8(destinationBuffer, dstIndex));
        assertEquals(expectedEndOfFile, SMBUtil.readInt8(destinationBuffer, dstIndex + 8));
        assertEquals(expectedNumberOfLinks, SMBUtil.readInt4(destinationBuffer, dstIndex + 16));
        assertEquals(1, destinationBuffer[dstIndex + 20]); // deletePending

        assertEquals(0, SMBUtil.readInt4(buffer, 0));

        // NameOffset field (2 bytes) - should be 16 (after header)
        assertEquals(16, SMBUtil.readInt2(buffer, 4));

        // NameLength field (2 bytes) - should be 4 for "RqLs"
        assertEquals(4, SMBUtil.readInt2(buffer, 6));

        // Reserved field (2 bytes) - should be 0
        assertEquals(0, SMBUtil.readInt2(buffer, 8));

        assertEquals(expectedTimestamp, avTimestamp.getTimestamp());
    }

    /**
     * Test getTimestamp method with a negative timestamp (though timestamps are usually positive).
     * This tests the underlying SMBUtil.readInt8 behavior.
     */
    @Test
    public void testGetTimestampNegative() {
        long expectedTimestamp = -1L; // Represents all bits set to 1 for an 8-byte long
        byte[] rawBytes = new byte[8];

                int cci = createContextStart;
                next = SMBUtil.readInt4(buffer, cci);
                cci += 4;

                final int nameOffset = SMBUtil.readInt2(buffer, cci);
                final int nameLength = SMBUtil.readInt2(buffer, cci + 2);
                cci += 4;

                final int dataOffset = SMBUtil.readInt2(buffer, cci + 2);
                cci += 4;

     * @see jcifs.Decodable#decode(byte[], int, int)
     */
    @Override
    public int decode(final byte[] buffer, final int bufferIndex, final int len) throws SMBProtocolDecodingException {
        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        return 8;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#size()
     */
    @Override
    public int size() {
        return 8;
    }