perl-5.16.2/cpan/Test-Simple/t/threads.t

#!/usr/bin/perl -w

BEGIN {
    if( $ENV{PERL_CORE} ) {
        chdir 't';
        @INC = '../lib';
    }
}

use Config;
BEGIN {
    unless ( $] >= 5.008001 && $Config{'useithreads'} && 
             eval { require threads; 'threads'->import; 1; }) 
    {
        print "1..0 # Skip: no working threads\n";
        exit 0;
    }
}

use strict;
use Test::Builder;

my $Test = Test::Builder->new;
$Test->exported_to('main');
$Test->plan(tests => 6);

for(1..5) {
	'threads'->create(sub { 
          $Test->ok(1,"Each of these should app the test number") 
    })->join;
}

$Test->is_num($Test->current_test(), 5,"Should be five");