[Octave-bug-tracker] [bug #59334] [octave forge] (interval) Failing BISTs with Octave 6.0.92

[Markus Mützel]

Follow-up Comment #1, bug #59334 (project octave):

I re-ran `pkg test interval` with a recent build from the stable branch (hg id
370b5ded5e6a) on Windows 10.
The number of failing tests is now down to 34:

>> pkg test interval
...
Summary:

  PASS                             2356
  FAIL                               34


I'm attaching the log file from that run.

Most of these seem to fail with an error similar to this one:

nargin: invalid function name: @infsup\inf


It looks like the input argument of `nargin` might contain a forward slash.
But it doesn't work with back slashes:

>> pkg load interval
>> nargin('@infsup/inf')
ans =  1
>> nargin('@infsup\inf')
error: nargin: invalid function name: @infsup\inf


The error is the same in previous versions of Octave. So it doesn't look like
a regression.

This looks like it might be easy to fix. Please, see the attached changeset.


The last test that is failing after that change is this one:

>> test @infsup\display.m
***** test
 if (compare_versions (OCTAVE_VERSION, "4.2", ">="))
   assert (evalc ("display (infsup ())"), "[Empty]\n\n");
   assert (evalc ("display (infsupdec ())"), "[Empty]_trv\n\n");
 endif
!!!!! test failed
'argn' undefined near line 80, column 80


The automatic variable `argn` was removed in Octave 6. See e.g. bug #59342 for
possible alternatives.


(file #50536)
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Additional Item Attachment:

File name: bug59334_subsref.patch         Size:1 KB
    <https://file.savannah.gnu.org/file/bug59334_subsref.patch?file_id=50536>



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