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use strict;
use warnings;
use Test::More;
use Test::Refcount;
use Variable::Disposition qw(retain dispose);
my $copy;
{
my $x = [];
Scalar::Util::weaken($copy = $x);
ok($x, 'have a variable');
is_refcount($x, 1, 'refcount is now 1');
Scalar::Util::weaken($copy = $x);
is_refcount($x, 1, 'refcount is still 1');
retain($x);
is_refcount($x, 2, 'refcount is now 2');
}
is_refcount($copy, 1, 'refcount is still 1');
ok($copy, 'copy still exists');
dispose($copy);
is($copy, undef, 'copy went away');
done_testing;
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