<Policies>
				<TimeBasedTriggeringPolicy />
				<SizeBasedTriggeringPolicy size="100 MB" />
			</Policies>
			<DefaultRolloverStrategy fileIndex="max" min="1"
				max="${backup.max.history}" compressionLevel="9" />
		</RollingFile>
		<LogNotificationAppender name="LogNotification"
			minLevel="${sys:fess.log.notification.level:-ERROR}" />
	</Appenders>

			<Policies>
				<TimeBasedTriggeringPolicy />
				<SizeBasedTriggeringPolicy size="100 MB" />
			</Policies>
			<DefaultRolloverStrategy fileIndex="max" min="1"
				max="${backup.max.history}" compressionLevel="9" />
		</RollingFile>
		<LogNotificationAppender name="LogNotification"
			minLevel="${sys:fess.log.notification.level:-ERROR}" />
	</Appenders>

        }

        @Test
        @DisplayName("fileIndex should return valid index")
        void testFileIndex() throws CIFSException {
            // Given
            long expectedIndex = 12345L;
            when(mockResource.fileIndex()).thenReturn(expectedIndex);

            // When
            long index = mockResource.fileIndex();

            // Then

    /**
     * Get the file index
     *
     * @return server side file index, 0 if unavailable
     * @throws CIFSException if an error occurs accessing the resource
     */
    long fileIndex() throws CIFSException;

    /**
     * Return the attributes of this file. Attributes are represented as a
     * bitset that must be masked with <code>ATTR_*</code> constants to determine

            for (ai = 0; ai < aces.length; ai++) {
                aces[ai].getSID().initContext(server, getContext());
            }
        }
    }

    @Override
    public long fileIndex() throws SmbException {

        try (SmbTreeHandleImpl th = ensureTreeConnected()) {

            if (th.isSMB2()) {
                final Smb2QueryInfoRequest req = new Smb2QueryInfoRequest(th.getConfig());