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## Copyright (C) 2018-2023 The Octave Project Developers
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## See the file COPYRIGHT.md in the top-level directory of this
## distribution or <https://octave.org/copyright/>.
##
## This file is part of Octave.
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%!test <*55308>
%! hf = figure ("visible", "off");
%! unwind_protect
%!   hg = hggroup ();
%!   axis ([-2, 2, -2, 2]);
%!   hl = line ([0;1], [0;0], "color", "r");
%!   set (hl, "parent", hg);
%! unwind_protect_cleanup
%!   close (hf);
%! end_unwind_protect