[Octave-bug-tracker] [bug #61627] [octave forge] (statistics): dendrogram test displays figure window even with visibility off

[Nicholas Jankowski]

URL:
  <https://savannah.gnu.org/bugs/?61627>

                 Summary: [octave forge] (statistics): dendrogram test
displays figure window even with visibility off
                 Project: GNU Octave
            Submitted by: nrjank
            Submitted on: Mon 06 Dec 2021 09:53:20 AM EST
                Category: Octave Forge Package
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Nicholas Jankowski
        Originator Email: 
             Open/Closed: Open
                 Release: 6.4.0
         Discussion Lock: Any
        Operating System: Microsoft Windows

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Details:

noticed in the recent statistics package release (1.4.3) that when running the
test suite dendrogram flashes a figure window.  this was suppressed in other
functions by capturing the DefaultFigureVisible setting, turning it off before
the test, then restoring the original value after the test. the following
test, however, displays despite this being done:


##%!test
%! set (0, "DefaultFigureVisible", "off");
%! fail ('dendrogram ([1 2 1], "Orientation", "north")', "invalid orientation
.*")
%! set (0, "DefaultFigureVisible", visibility_setting);


is it something about the Orientation setting call that causes the figure
window to popup? Is there a better way to suppress figure display during
tests? 




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