Added a routine that tests if unitary tests are available in a matlab routine.

matlab/utilities/tests/is_unitary_test_available.m

@@ -0,0 +1,52 @@
+function info = is_unitary_test_available(fun)
+
+%@info:
+%! @deftypefn {Function File} {@var{info} =} is_unitary_test_available (@var{fun})
+%! @anchor{is_unitary_test_available}
+%! @sp 1
+%! Tests if matlab/octave routine @var{fun} has unitary tests.
+%! @sp 2
+%! @strong{Inputs}
+%! @sp 1
+%! @table @ @var
+%! @item fun
+%! string, name of the matlab/octave routine to be tested.
+%! @end table
+%! @sp 2
+%! @strong{Outputs}
+%! @sp 1
+%! @table @ @var
+%! @item info
+%! Integer scalar equal to one if unitary tests are available, zero otherwise.
+%! @end table
+%! @sp 2
+%! @end deftypefn
+%@eod:
+
+% Copyright (C) 2013 Dynare Team
+%
+% 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/>.
+    
+info = 0;
+
+fid = fopen(fun,'r');
+first_line = fgetl(fid);
+
+if strcmp(first_line,'% --*-- Unitary tests --*--')
+    info = 1;
+end
+
+fclose(fid);