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t/join.t  view on Meta::CPAN

use strict;
use warnings;

BEGIN {
    use Config;
    if (! $Config{'useithreads'}) {
        print("1..0 # SKIP Perl not compiled with 'useithreads'\n");
        exit(0);
    }
}

use ExtUtils::testlib;

use threads;

BEGIN {
    if (! eval 'use threads::shared; 1') {
        print("1..0 # SKIP threads::shared not available\n");
        exit(0);
    }

    $| = 1;
    print("1..20\n");   ### Number of tests that will be run ###
};

my $TEST;
BEGIN {
    share($TEST);
    $TEST = 1;
}

ok(1, 'Loaded');

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

    lock($TEST);
    my $id = $TEST++;

    # You have to do it this way or VMS will get confused.
    if ($ok) {
        print("ok $id - $name\n");
    } else {
        print("not ok $id - $name\n");
        printf("# Failed test at line %d\n", (caller)[2]);
    }

    return ($ok);
}

sub skip {
    ok(1, '# SKIP ' . $_[0]);
}


### Start of Testing ###

{
    my $retval = threads->create(sub { return ("hi") })->join();
    ok($retval eq 'hi', "Check basic returnvalue");
}
{
    my ($thread) = threads->create(sub { return (1,2,3) });
    my @retval = $thread->join();
    ok($retval[0] == 1 && $retval[1] == 2 && $retval[2] == 3,'');
}
{
    my $retval = threads->create(sub { return [1] })->join();
    ok($retval->[0] == 1,"Check that a array ref works",);
}
{
    my $retval = threads->create(sub { return { foo => "bar" }})->join();
    ok($retval->{foo} eq 'bar',"Check that hash refs work");
}
{
    my $retval = threads->create( sub {
        open(my $fh, "+>threadtest") || die $!;
        print $fh "test\n";
        return $fh;
    })->join();
    ok(ref($retval) eq 'GLOB', "Check that we can return FH $retval");
    print $retval "test2\n";
    close($retval);
    unlink("threadtest");
}
{
    my $test = "hi";
    my $retval = threads->create(sub { return $_[0]}, \$test)->join();
    ok($$retval eq 'hi','');
}
{
    my $test = "hi";
    share($test);
    my $retval = threads->create(sub { return $_[0]}, \$test)->join();
    ok($$retval eq 'hi','');
    $test = "foo";
    ok($$retval eq 'foo','');
}
{
    my %foo;
    share(%foo);
    threads->create(sub { 
        my $foo;
        share($foo);
        $foo = "thread1";