Test failures with Octave 10

[mmuetzel]

The CI is up and running again after the merge of the default branch to the stable branch in preparation of Octave 10.

With that, I see the following failing tests for the symbolic package:
https://github.com/gnu-octave/octave-buildbot/actions/runs/13273893349/job/37059415356#step:14:15753

  Failure Summary:
  
    ..gw64\share\octave\packages\symbolic-3.2.1\@double\bernoulli.m  pass   15/16  
                                                  (expected failure) XFAIL   1
    ..w64\share\octave\packages\symbolic-3.2.1\@double\chebyshevT.m  pass   10/11  
                                                  (expected failure) XFAIL   1
    ..w64\share\octave\packages\symbolic-3.2.1\@double\chebyshevU.m  pass   10/11  
                                                  (expected failure) XFAIL   1
    ..mingw64\share\octave\packages\symbolic-3.2.1\@double\cosint.m  pass   15/16  
                                                  (expected failure) XFAIL   1
    ..\mingw64\share\octave\packages\symbolic-3.2.1\@double\dilog.m  pass    4/5   
                                                  (expected failure) XFAIL   1
    ..\mingw64\share\octave\packages\symbolic-3.2.1\@sym\children.m  pass    9/10  
                                                  (expected failure) XFAIL   1
    ..4\mingw64\share\octave\packages\symbolic-3.2.1\@sym\coshint.m  pass    4/5   
                                                  (expected failure) XFAIL   1
    ..64\mingw64\share\octave\packages\symbolic-3.2.1\@sym\cosint.m  pass    5/6   
                                                  (expected failure) XFAIL   1
    ..ingw64\share\octave\packages\symbolic-3.2.1\@sym\ellipticPi.m  pass    7/9   
                                                  (expected failure) XFAIL   2
    ..3-w64\mingw64\share\octave\packages\symbolic-3.2.1\@sym\eye.m  pass    8/9   
                                                  (expected failure) XFAIL   1
    ..mingw64\share\octave\packages\symbolic-3.2.1\@sym\factorial.m  pass    4/5   
                                                  (expected failure) XFAIL   1
    ..4\mingw64\share\octave\packages\symbolic-3.2.1\@sym\fourier.m  pass    4/5   
                                                  (expected failure) XFAIL   1
    ..\mingw64\share\octave\packages\symbolic-3.2.1\@sym\harmonic.m  pass    5/6   
                                                  (expected failure) XFAIL   1
    ..\mingw64\share\octave\packages\symbolic-3.2.1\@sym\ifourier.m  pass    7/8   
                                                  (expected failure) XFAIL   1
    ..4\mingw64\share\octave\packages\symbolic-3.2.1\@sym\isempty.m  pass    9/10  
                                                  (expected failure) XFAIL   1
    ..\mingw64\share\octave\packages\symbolic-3.2.1\@sym\lambertw.m  pass   10/11  
                                                  (expected failure) XFAIL   1
    ..4\mingw64\share\octave\packages\symbolic-3.2.1\@sym\laplace.m  pass    8/9   
                                                  (expected failure) XFAIL   1
    ..64\mingw64\share\octave\packages\symbolic-3.2.1\@sym\logint.m  pass    4/5   
                                                  (expected failure) XFAIL   1
    ..\mingw64\share\octave\packages\symbolic-3.2.1\@sym\mldivide.m  pass    4/6   
                                                                     FAIL    2
    ..64\mingw64\share\octave\packages\symbolic-3.2.1\@sym\mpower.m  pass    8/9   
                                                  (expected failure) XFAIL   1
    ..-w64\mingw64\share\octave\packages\symbolic-3.2.1\@sym\ones.m  pass    8/9   
                                                  (expected failure) XFAIL   1
    ..mingw64\share\octave\packages\symbolic-3.2.1\@sym\potential.m  pass    5/6   
                                                  (expected failure) XFAIL   1
    ..w64\mingw64\share\octave\packages\symbolic-3.2.1\@sym\round.m  pass    6/7   
                                                  (expected failure) XFAIL   1
    ..4\mingw64\share\octave\packages\symbolic-3.2.1\@sym\sinhint.m  pass    4/5   
                                                  (expected failure) XFAIL   1
    ..64\mingw64\share\octave\packages\symbolic-3.2.1\@sym\sinint.m  pass    5/6   
                                                  (expected failure) XFAIL   1
    ..-w64\mingw64\share\octave\packages\symbolic-3.2.1\@sym\size.m  pass    4/7   
                                                  (expected failure) XFAIL   3
    ..3-w64\mingw64\share\octave\packages\symbolic-3.2.1\@sym\sym.m  pass   79/86  
                                                                     FAIL    7
    ..\mingw64\share\octave\packages\symbolic-3.2.1\@sym\toeplitz.m  pass    4/6   
                                                                     FAIL    2
    ..4\mingw64\share\octave\packages\symbolic-3.2.1\@sym\vertcat.m  pass   10/11  
                                                  (expected failure) XFAIL   1
    ..w64\mingw64\share\octave\packages\symbolic-3.2.1\@sym\zeros.m  pass    8/9   
                                                  (expected failure) XFAIL   1
    ..-02-23-w64\mingw64\share\octave\packages\symbolic-3.2.1\vpa.m  pass   31/34  
                                                                     FAIL    2
                                                  (expected failure) XFAIL   1
  
  Summary:
  
    PASS                             2431
    FAIL                               13
    XFAIL (expected failure)           31

Part of the verbose log:

  >>>>> processing D:\a\octave-buildbot\octave-buildbot\octave-2025-02-11-02-23-w64\mingw64\share\octave\packages\symbolic-3.2.1\@sym\mldivide.m
  ***** warning <vpa backslash>
   % vpa, nearly singular matrix
   A = sym([1 2; 2 4]);
   A(1,1) = vpa('1.001');
   b = sym([1; 2]);
   x = A \ b;
   y = [sym(0); vpa('0.5')];
   assert (isequal (x, y))
  !!!!! warning failed.
  Expected <vpa backslash>, but got <implicit conversion from string to real N-D array>
  
  ***** warning <vpa backslash>
   % vpa, singular rhs
   A = sym([1 2; 2 4]);
   b = [vpa('1.01'); vpa('2')];
   x = A \ b;
   assert (all(isnan(x)))
  !!!!! warning failed.
  Expected <vpa backslash>, but got <implicit conversion from string to real N-D array>
  
[...]

  >>>>> processing D:\a\octave-buildbot\octave-buildbot\octave-2025-02-11-02-23-w64\mingw64\share\octave\packages\symbolic-3.2.1\@sym\sym.m
  ***** warning <dangerous> x = sym (1/2);
  !!!!! warning failed.
  Expected <dangerous>, but got <concatenation of single and double quoted string objects creates a single quoted string object>
  
  ***** warning <dangerous> sym (1e16);
  !!!!! warning failed.
  Expected <dangerous>, but got <concatenation of single and double quoted string objects creates a single quoted string object>
  
  ***** warning <dangerous> sym (-1e16);
  !!!!! warning failed.
  Expected <dangerous>, but got <concatenation of single and double quoted string objects creates a single quoted string object>
  
  ***** warning <dangerous> sym (10.33);
  !!!!! warning failed.
  Expected <dangerous>, but got <concatenation of single and double quoted string objects creates a single quoted string object>
  
  ***** warning <dangerous> sym (-5.23);
  !!!!! warning failed.
  Expected <dangerous>, but got <concatenation of single and double quoted string objects creates a single quoted string object>
  
  ***** warning <dangerous> sym (sqrt (1.4142135623731));
  !!!!! warning failed.
  Expected <dangerous>, but got <concatenation of single and double quoted string objects creates a single quoted string object>
  
  ***** warning <dangerous> sym ([1.2 1.3]);
  !!!!! warning failed.
  Expected <dangerous>, but got <implicit conversion from string to real N-D array>
  
[...]

  >>>>> processing D:\a\octave-buildbot\octave-buildbot\octave-2025-02-11-02-23-w64\mingw64\share\octave\packages\symbolic-3.2.1\@sym\toeplitz.m
  ***** warning <diagonal conflict>
   % mismatch
   syms x
   B = toeplitz([10 x], [1 3 x]);
  !!!!! warning failed.
  Expected <diagonal conflict>, but got <implicit conversion from string to real N-D array>
  
  ***** warning <diagonal conflict>
   % scalar
   B = toeplitz(sym(2), 3);
   assert (isequal (B, sym(2)))
  !!!!! warning failed.
  Expected <diagonal conflict>, but got <implicit conversion from string to real N-D array>
  
[...]

  >>>>> processing D:\a\octave-buildbot\octave-buildbot\octave-2025-02-11-02-23-w64\mingw64\share\octave\packages\symbolic-3.2.1\vpa.m
  ***** xtest
   % non-equality of vpa that "might be" be integers: Issue #1285
   a = vpa ("123", 32);
   b = vpa ("123", 64);
   assert (~ logical (a == b))
  !!!!! known failure
  assert (!logical (a == b)) failed
  ***** warning <dangerous> vpa ('sqrt(2.0)');
  !!!!! warning failed.
  Expected <dangerous>, but got <concatenation of single and double quoted string objects creates a single quoted string object>
  
  ***** warning <dangerous>
   a = vpa('2**0.5');
   b = vpa(sqrt(sym(2)));
   assert (isequal (a, b))
  !!!!! warning failed.
  Expected <dangerous>, but got <implicit conversion from string to real N-D array>
  

It looks like different warnings (or different wording?) are triggered with Octave 10 compared to previous versions.

[mmuetzel]

Maybe related to the changes in bug #41028.

[cbm755]

regarding warning('on', 'all'), see also #1310, #1317.