To jwe: fntests errors on mingw-Octave 1:dispatch.cc

[Tatsuro MATSUOKA]

Hello John
cc. Michael

First I'll move this topic to from the help ML to the maintainers ML

> Oh! I forget to discuss that it is allowable the 'fntests' have platform 
> dependent parts.
> Otherwise nothing goes forward.
> 
> I'll wait the replies.

Did read this ?

I am now preparing the forge-packages for my mingw-octave.
After it will have been finished, I will go to this issue.

Please wait a while.

Regards

Tatsuro

--- Tatsuro MATSUOKA <address@hidden> wrote:

> Hello John
> 
> --- "John W. Eaton" <address@hidden> wrote:
> > I don't think it would be a waste of time to fix these tests so that
> > they work properly on Windows and Unixy systems.
> 
> OK. I see!!  We have to solve the problems.  
> As I have reported, the test under the cygwin was almost complete except for 
> rand.cc.
> The rand.cc problem has been aalready solved by David. 
> The cygwin environments give posix emulation so that it is rather unixy but 
> not windows like
> from the
> point of view of the fntests.    
> 
> We have to come back to Michael's first mail which is cited at the end of the 
> main for
> convinience. 
> This is because the failures on mingw are similar to those by Michael. 
> 
> The differences are described the below:
> 
> ****************
> Mingw intrinsic;
> >  octave-3.0.0\src/ov-fcn-handle.cc  PASS    2/3    FAIL 1
>   ***** test
>  a = 2;
>  f = @(x) a + x;
>  g = @(x) 2 * x;
>  h = @log2;
>  f2 = f;
>  g2 = g;
>  h2 = h;
>  nm = tmpnam();
>  unwind_protect
>    save ("-text", nm, "f2", "g2", "h2");
>    clear f2 g2 h2
>    load (nm);
>    assert (f(2),f2(2));
>    assert (g(2),g2(2));
>    assert (g(3),g2(3));
>    unlink (nm);
>    save ("-text", nm, "f2", "g2", "h2");
>  unwind_protect_cleanup
>    unlink (nm);
>  end_unwind_protect
> !!!!! test failed
> error: function handle points to non-existent function
> 
> >  + test_io.m freezes during the test.
> ***************
> MSVC intrinsic
> ***************
> While
>  test_string - 1 failure
> 
> 
> ********************
> We have to discuss the common problems and the intrinsic problems
> separately.
> 
> We begin with the commom problem first.
>  1.dispatch.cc - 2 failures
>  2.general/bitcmp.m - 1 failure
>  3.test_system - 14 failures
> 
> Oh! I forget to discuss that it is allowable the 'fntests' have platform 
> dependent parts.
> Otherwise nothing goes forward.
> 
> I'll wait the replies.
> 
> Regards
> 
> Tatsuro
> 
> 
> 
> Michel's mail
> ===============================================
> 
> The package compiles fine under MSVC. I ran the test suite and
> here are the results:
> 
> dispatch.cc - 2 failures
> These are due to the fact the argument to
> "system" is not run into a shell, so something like
> system("echo 'something'>file.out") does not generate file.out; hence
> the dispatch tests that use this trick to produce temporary m-file fail.
> 
> general/bitcmp.m - 1 failure
>  ***** assert(bitcmp(A,Amax),bitor(bitshift(1,Amax-1),bitshift(1,Amax-2)));
> !!!!! test failed
> error: assert (bitcmp (A, Amax),bitor (bitshift (1, Amax - 1),
> bitshift (1, Amax - 2))) expected
> 6.7554e+015
> but got
> 1.1259e+016
> values do not match
> shared variables {
>  Amax =  53
>  Bmax = 9.0072e+015
>  A = 2.2518e+015
> }
> 
> test_string - 1 failure
> This is due to the fact that under MSVC: isprint(setstr(9)) == 1,
> while the test expects 0.
> 
> test_system - 14 failures
> The reasons are various:
> - stat(filesep) fails; what works is stat('\\') or stat('C:\')
> - getpwuid, getprgp, getppid, getpwent, getgrent are not implemented
> - doing "cd /" and "pwd ()" does not give you "/", but something
> including the current drive letter (like "d:\")
> 
> In summary, almost all failures are "expected" under MSVC. The only
> one that could be problematic is the one related to bitcmp. However,
> as I'm no expert, I don't really understand what's going on.
> 
> 
> 
> 
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