function test_cdata(varargin)

if nargin == 0
  [conn, username] = mysql_connect('130.75.117.67', 'ltpda_test');
else
  conn = varargin{1};
  username = varargin{2};
end
%% Submit a mfir
p = cdata(complex(randn(4,4), randn(4,4)));

sinfo.conn                   = conn;
sinfo.username               = username;
sinfo.experiment_title       = 'submit cdata';
sinfo.experiment_description = 'this is just a test of the whole thing';
sinfo.reference_ids          = '';
sinfo.additional_comments    = 'none';
sinfo.additional_authors     = 'no one';


[ids, cid] = ltpda_obj_submit(p, sinfo)

%% Retrieve the object

q = ltpda_obj_retrieve(conn, cid)

%% Close connection
if nargin == 0
  close(conn);
end


%% Test

if p ~= q
  error('### cdata objects are not the same.')
end