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## Copyright (C) 2020-2024 The Octave Project Developers
##
## See the file COPYRIGHT.md in the top-level directory of this
## distribution or <https://octave.org/copyright/>.
##
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%!function __mktestfun_40117__ (file, varargin)
%!  unwind_protect
%!    fid = fopen (file, "w");
%!    fprintf (fid, "%s\n", varargin{:});
%!  unwind_protect_cleanup
%!    if (fid > 0)
%!      fclose (fid);
%!    endif
%!  end_unwind_protect
%!endfunction

%!test <*40117>
%! unwind_protect
%!   tmp_dir = tempname ();
%!   mkdir (tmp_dir);
%!   a_dir = fullfile (tmp_dir, "a");
%!   a_private_dir = fullfile (a_dir, "private");
%!   mkdir (a_dir);
%!   mkdir (a_private_dir);
%!   __mktestfun_40117__ (fullfile (a_dir, "main_40117.m"),
%!                        "function r = main_40117 ()",
%!                        "  r = p1_40117 ();",
%!                        "endfunction");
%!   __mktestfun_40117__ (fullfile (a_private_dir, "p1_40117.m"),
%!                        "function r = p1_40117 ()",
%!                        "  r = p2_40117 ();",
%!                        "endfunction");
%!   __mktestfun_40117__ (fullfile (a_private_dir, "p2_40117.m"),
%!                        "function r = p2_40117 ()",
%!                        "  r = 'a_p2_40117';",
%!                        "endfunction");
%!   addpath (a_dir);
%!   assert (main_40117 (), "a_p2_40117");
%!
%!   ## Update the secondary private function, attempting to avoid
%!   ## filesystem timestamp resolution problems.
%!   pause (1);
%!   __mktestfun_40117__ (fullfile (a_private_dir, "p2_40117.m"),
%!                        "function r = p2_40117 ()",
%!                        "  r = 'new function!';",
%!                        "endfunction");
%!
%!   ## Force new functions to be found.
%!   rehash ();
%!
%!   assert (main_40117 (), "new function!");
%! unwind_protect_cleanup
%!   rmpath (a_dir);
%!   confirm_recursive_rmdir (false, "local");
%!   rmdir (tmp_dir, "s");
%! end_unwind_protect