[Octave-bug-tracker] [bug #49509] [mxe] failing tests on WinXP, including "test help"

[Hartmut]

URL:
  <http://savannah.gnu.org/bugs/?49509>

                 Summary: [mxe] failing tests on WinXP, including "test help"
                 Project: GNU Octave
            Submitted by: hardy
            Submitted on: Tue 01 Nov 2016 08:47:03 PM GMT
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Regression
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.2.0-rc3
        Operating System: Microsoft Windows

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Details:

I have observed this with the current pre-release 4.2.0-rc3  under Windows XP
(without a Java JRE installed, I don't know if this is relevant).

The following tests of the test suite fail:

test __unimplemented__
test get_first_help_sentence
test help
test test


The function calls in those test just return nothing instead of the expected
strings. This is especially bad becaus this also means that "help" does not
work at all.

On Windows 7 (but with JRE) this does NOT happen.

On the same WinXP machine, this does NOT happen with Octave 4.2.0-rc2. So we
spoilt something between rc2 and rc3.

Here are the details from the fntests.log file:


>>>>> processing
C:\Octave\Octave-4.2.0-rc3\share\octave\4.2.0-rc3\m\help\__unimplemented__.m
***** test
 str = __unimplemented__ ("no_name_function");
 assert (isempty (str));
 str = __unimplemented__ ("quad2d");
 assert (str(1:51), "quad2d is not implemented.  Consider using dblquad.");
 str = __unimplemented__ ("MException");
 assert (str(1:58), "the 'MException' function is not yet implemented in
Octave");
!!!!! test failed
str(51): out of bound 0

>>>>> processing
C:\Octave\Octave-4.2.0-rc3\share\octave\4.2.0-rc3\m\help\get_first_help_sentence.m
***** assert (get_first_help_sentence ('get_first_help_sentence'), ...
        "Return the first sentence of a function's help text.")
!!!!! test failed
ASSERT errors for:  assert (get_first_help_sentence
('get_first_help_sentence'),"Return the first sentence of a function's help
text.")

  Location  |  Observed  |  Expected  |  Reason
     []                   Return the first sentence of a function's help text.
  Strings don't match

>>>>> processing
C:\Octave\Octave-4.2.0-rc3\share\octave\4.2.0-rc3\m\help\help.m
***** assert (! isempty (strfind (help ("ls"), "List directory contents")))
!!!!! test failed
assert (!isempty (strfind (help ("ls"), "List directory contents"))) failed

>>>>> processing
C:\Octave\Octave-4.2.0-rc3\share\octave\4.2.0-rc3\m\testfun\test.m
***** fail ("test (1,2,3,4)", "usage.*test") # too many args, generates
usage()
!!!!! test failed
expected error <usage.*test>
but got <Invalid call to test.  Correct usage is:
 >



I have also found (by chance) a patch that resolves this issue for me (already
discussed before in bug #49118 comment #25). I will attach this as soon as I
have a bug number.






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