diff --git a/tests/internals/tests.m b/tests/internals/tests.m
new file mode 100644
index 000000000..f755cbedf
--- /dev/null
+++ b/tests/internals/tests.m
@@ -0,0 +1,52 @@
+% matlab script for testing matlab routines.
+
+% Copyright (C) 2011 Dynare Team
+% stephane DOT adjemian AT ens DOT fr
+%    
+% This file is part of Dynare.
+%
+% Dynare is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 3 of the License, or
+% (at your option) any later version.
+%
+% Dynare is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
+
+list_of_routines = cell(1);
+
+list_of_routines(1,1) = {'../../matlab/@dynSeries'};         % path
+list_of_routines(1,2) = {'dynSeries'};                    % name
+
+% list_of_routines = [list_of_routines ; { '../../matlab/kalman/likelihood' , 'kalman_filter' } ];
+
+
+
+% Temporarely add ../matlab/utilities/tests to the path.
+addpath('../../matlab/utilities/tests')
+
+% Copy output to a file.
+dirlog = datestr(now, 'dddd-mmm-yy');
+if ~exist(dirlog)
+    mkdir(dirlog);
+end
+diary([dirlog '/errors.log'])
+
+% Run tests.
+n = size(list_of_routines,1);
+c = zeros(n,1);
+
+for i=1:n
+    c(i) = mtest(list_of_routines{1,2},list_of_routines{1,1});
+end
+
+if all(c)
+    disp('Nothing to report!')
+end
+
+diary off