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#!perl -T
use strict;
use warnings;
use lib 't/lib';
use Scope::Upper::TestThreads;
use Test::Leaner;
use Scope::Upper qw<uid validate_uid UP HERE>;
my $top = uid;
sub cb {
my $tid = threads->tid();
my $here = uid;
my $up;
{
$up = uid HERE;
is uid(UP), $here, "uid(UP) == \$here in block (in thread $tid)";
}
is uid(UP), $top, "uid(UP) == \$top (in thread $tid)";
usleep rand(1e6);
ok validate_uid($here), "\$here is valid (in thread $tid)";
ok !validate_uid($up), "\$up is no longer valid (in thread $tid)";
return $here;
}
my %uids;
my $threads = 0;
for my $thread (map threads->create(\&cb), 1 .. 30) {
++$threads;
my $tid = $thread->tid;
my $uid = $thread->join;
++$uids{$uid};
ok !validate_uid($uid), "\$here is no longer valid (out of thread $tid)";
}
is scalar(keys %uids), $threads, 'all the UIDs were different';
done_testing($threads * 5 + 1);
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