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########################################################################
##
## Copyright (C) 2006-2025 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/>.
##
########################################################################
%!test
%! i = 0;
%! while (eye (2))
%! i++;
%! __printf_assert__ ("%d\n", i);
%! end # "end" is part of test, check not using "endwhile"
%! assert (__prog_output_assert__ (""));
%!test
%! i = 5;
%! while (--i)
%! __printf_assert__ ("%d", i);
%! endwhile
%! __printf_assert__ ("\n");
%! assert (__prog_output_assert__ ("4321"));
%!test
%! i = 5;
%! while (i)
%! i--;
%! __printf_assert__ ("%d", i);
%! endwhile
%! __printf_assert__ ("\n");
%! assert (__prog_output_assert__ ("43210"));
%!test
%! i = 0;
%! while (i++ < 20)
%! if (i > 2)
%! break;
%! endif
%! __printf_assert__ ("%d", i);
%! endwhile
%! __printf_assert__ ("\n");
%! assert (__prog_output_assert__ ("12"));
%!test
%! i = 0;
%! while (++i < 5)
%! if (i < 3)
%! continue;
%! endif
%! __printf_assert__ ("%d", i);
%! endwhile
%! __printf_assert__ ("\n");
%! assert (__prog_output_assert__ ("34"));
%% test parsing of single-quoted character string appearing immediately
%% after a while condition.
%!test
%! i = 0;
%! while (++i < 5)
%! 'foo';
%! endwhile
%! assert (i, 5);
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