Mercurial > octave
view test/recursion.tst @ 33251:93b856b2d87e
don't allow error_if and error_unless macros to be defined to be empty
* error.h (error_if, error_unless): Don't allow these macros to be
defined away by compiling with NDEBUG defined. Update comments to
discourage using error_if, error_impossible, and error_unless.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Mon, 25 Mar 2024 13:49:47 -0400 |
parents | 2e484f9f1f18 |
children |
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######################################################################## ## ## Copyright (C) 2006-2024 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this ## distribution or <https://octave.org/copyright/>. ## ## This file is part of Octave. ## ## Octave 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. ## ## Octave 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 Octave; see the file COPYING. If not, see ## <https://www.gnu.org/licenses/>. ## ######################################################################## %!function y = f (x) %! if (x == 1) %! y = x; %! return; %! else %! y = x * f (x-1); %! endif %!endfunction %! %!assert (f (5), 120) %!function y = f (x) %! if (x == 1) %! y = x; %! return; %! else %! y = f (x-1) * x; %! endif %!endfunction %! %!assert (f (5), 120) %!function r = f (x) %! persistent p = 1; %! if (x == 1) %! f (x + 1); %! r = p; %! else %! clear p %! p = 13; %! endif %!endfunction %! %!error <'p' undefined> f (1) %!function r = f (x) %! persistent p = 1; %! if (x == 1) %! f (x + 1); %! r = p; %! else %! p = 13; %! endif %!endfunction %! %!assert (f (1), 13) %%FIXME: Need test for maximum recursion depth