// Given
            when(mockResource.openRandomAccess("rw")).thenReturn(mockRandomAccess);
            when(mockResource.openRandomAccess("r", 1)).thenReturn(mockRandomAccess);

            // When
            SmbRandomAccess ra1 = mockResource.openRandomAccess("rw");
            SmbRandomAccess ra2 = mockResource.openRandomAccess("r", 1);

            // Then

     * @return random access file, needs to be closed when finished
     * @throws CIFSException if an error occurs accessing the resource
     *
     */
    SmbRandomAccess openRandomAccess(String mode, int sharing) throws CIFSException;

    /**
     * Opens the file for random access
     *
     * @param mode
     *            access mode (r|rw)