NAME

       Test2::Require::Threads - Skip a test file unless the system supports threading

DESCRIPTION

       It is fairly common to write tests that need to use threads. Not all systems support
       threads. This library does the hard work of checking if threading is supported on the
       current system. If threading is not supported then this will skip all tests and exit true.

SYNOPSIS

           use Test2::Require::Threads;

           ... Code that uses threads ...

EXPLANATION

       Checking if the current system supports threading is not simple, here is an example of how
       to do it:

           use Config;

           sub CAN_THREAD {
               # Threads are not reliable before 5.008001
               return 0 unless $] >= 5.008001;
               return 0 unless $Config{'useithreads'};

               # Devel::Cover currently breaks with threads
               return 0 if $INC{'Devel/Cover.pm'};
               return 1;
           }

       Duplicating this non-trivial code in all tests that need to use threads is error-prone. It
       is easy to forget bits, or get it wrong. On top of these checks you also need to tell the
       harness that no tests should run and why.

SEE ALSO

       Test2::Require::CanFork
           Skip the test file if the system does not support forking.

       Test2
           Test2::Require::Threads uses Test2 under the hood.

SOURCE

       The source code repository for Test2-Suite can be found at
       https://github.com/Test-More/Test2-Suite/.

MAINTAINERS

       Chad Granum <exodist@cpan.org>

AUTHORS

       Chad Granum <exodist@cpan.org>

COPYRIGHT

       Copyright 2018 Chad Granum <exodist@cpan.org>.

       This program is free software; you can redistribute it and/or modify it under the same
       terms as Perl itself.

       See http://dev.perl.org/licenses/