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[p5sagit/p5-mst-13.2.git] / ext / threads / t / list.t

use strict;
use warnings;

BEGIN {
    if ($ENV{'PERL_CORE'}){
        chdir 't';
        unshift @INC, '../lib';
    }
    use Config;
    unless ($Config{'useithreads'}) {
        print "1..0 # Skip: no useithreads\n";
        exit 0;
    }
}

use ExtUtils::testlib;



BEGIN { $| = 1; print "1..15\n" };
use threads;



print "ok 1\n";


#########################
sub ok {	
    my ($id, $ok, $name) = @_;

    # You have to do it this way or VMS will get confused.
    print $ok ? "ok $id - $name\n" : "not ok $id - $name\n";

    printf "# Failed test at line %d\n", (caller)[2] unless $ok;

    return $ok;
}

### Start of Testing ###

ok(2, scalar @{[threads->list()]} == 0, 'No threads yet');

threads->create(sub {})->join();
ok(3, scalar @{[threads->list()]} == 0, 'Empty thread list after join');

my $thread = threads->create(sub {});
ok(4, scalar(threads->list()) == 1, 'Non-empty thread list');
ok(5, threads->list() == 1,             'Non-empty thread list');
$thread->join();
ok(6, scalar @{[threads->list()]} == 0, 'Thread list empty again');
ok(7, threads->list() == 0,             'Thread list empty again');

$thread = threads->create(sub {
    ok(8, threads->list() == 1, 'Non-empty thread list in thread');
    ok(9, threads->self == (threads->list())[0], 'Self in thread list')
});

threads->yield; # help out non-preemptive thread implementations
sleep 1;

ok(10, scalar(threads->list()) == 1, 'Thread count 1');
ok(11, threads->list() == 1,             'Thread count 1');
my $cnt = threads->list();
ok(12, $cnt == 1,                        'Thread count 1');
my ($thr_x) = threads->list();
ok(13, $thread == $thr_x,                'Thread in list');
$thread->join();
ok(14, scalar @{[threads->list()]} == 0, 'Thread list empty');
ok(15, threads->list() == 0,             'Thread list empty');

# EOF