Item9133: TimeTests fail on strawberry perl 5.12

strawberry perl 5.12

Running TimeTests
        1257 TimeTests::test_generateIsoOffset
POSIX::tzset not implemented on this architecture at C:/src/svn.foswiki.org/trunk/core/test/unit/TimeTests.pm line 22.
 at C:/src/svn.foswiki.org/trunk/core/test/unit/FoswikiTestCase.pm line 38
        FoswikiTestCase::__ANON__ called at C:/strawberry/perl/lib/diagnostics.pm line 525
        diagnostics::death_trap('POSIX::tzset not implemented on this architecture at C:/src/s...') called at C:/src/svn
.foswiki.org/trunk/core/test/unit/TimeTests.pm line 22
        TimeTests::set_up('TimeTests=HASH(0xb4306bc)') called at C:\src\svn.foswiki.org\trunk\core\lib/Unit/TestRunner.p
m line 316
        Unit::TestRunner::runOne('TimeTests=HASH(0xb4306bc)', 'TimeTests', undef) called at C:\src\svn.foswiki.org\trunk
\core\lib/Unit/TestRunner.pm line 124
        Unit::TestRunner::start('Unit::TestRunner=HASH(0x1001824)', 'FoswikiSuite.pm') called at ..\bin\TestRunner.pl li
ne 120

-- SvenDowideit - 10 Jun 2010

I've essentially removed all TimeTests on windows due to this - we'll need to figure out an alternative later.

-- SvenDowideit - 13 Jun 2010

http://aspn.activestate.com/ASPN/Mail/Message/perl-mod_perl/3594080

I think i'd like to keep this open until we either can't find a way to run these tests and give up, or it can be made useful. one approach might be to implement it upstream in POSIX - no idea how impossible this is (AS Perl has something that apparently works some of the time, but eventually crashes perl nastily)

-- SvenDowideit - 13 Jun 2010

A number of problems in the ActiveState perl 5.10.1

1. localtime on a negative number returns undef, which banjaxes Time::Local::timelocal. This happens when you specify a timezone. Worked around it in Foswiki::Time.
2. The $ENV{TZ} spec on windows is quite different to sensible platforms, affecting the unit test.
3. If you call POSIX::tzset when $ENV{TZ} is undef, it segfaults.

All resolved, but leaving open for Sven's confirmation on 5.12.

-- CrawfordCurrie - 13 Jun 2010

nope. this is not a 5.10 vs 5.12 issue, its that strawberry perl does not implement POSIX::Tzset at all - and in the process of warning the user of this, does a fatal.

-- SvenDowideit - 14 Jun 2010

OK. Well, tzset is never used in the core, only in the unit tests, so we can accept this until a strawberry perl dev has a chance to give it some TLC. headline changed accordingly, from "TimeTests fail on windows"

-- CrawfordCurrie - 14 Jun 2010

too many things to do - I might look into why mingw64's tzset crashes for no good reason, but not today.

-- SvenDowideit - 15 Jun 2010

applied to 1.0.10 too

-- SvenDowideit - 27 Aug 2010

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