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

Authors

       Chad Granum <exodist@cpan.org>

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.

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.

Maintainers

       Chad Granum <exodist@cpan.org>

Name

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

See Also

       Test2::Require::Fork
           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/.

Synopsis

           use Test2::Require::Threads;

           ... Code that uses threads ...

See Also