use strictures 1;
use Test::More;
use Moo::_Utils;
ok(Moo::_Utils::lt_5_8_3, "pretending to be pre-5.8.3")
if $ENV{MOO_TEST_PRE_583};
{
package Foo;
use Moo;
has one => (is => 'rw', weak_ref => 1);
package Foo2;
use Moo;
our $preexist = {};
has one => (is => 'rw', lazy => 1, weak_ref => 1, default => sub { $preexist });
has two => (is => 'rw', lazy => 1, weak_ref => 1, default => sub { {} });
}
my $ref = {};
my $foo = Foo->new(one => $ref);
is($foo->one, $ref, 'value present');
ok(Scalar::Util::isweak($foo->{one}), 'value weakened');
undef $ref;
ok(!defined $foo->{one}, 'weak value gone');
my $foo2 = Foo2->new;
ok(my $ref2 = $foo2->one, 'external value returned');
is($foo2->one, $ref2, 'value maintained');
ok(Scalar::Util::isweak($foo2->{one}), 'value weakened');
is($foo2->one($ref2), $ref2, 'value returned from setter');
undef $ref2;
ok(!defined $foo->{one}, 'weak value gone');
is($foo2->two, undef, 'weak+lazy ref not returned');
is($foo2->{two}, undef, 'internal value not set');
my $ref3 = {};
is($foo2->two($ref3), $ref3, 'value returned from setter');
undef $ref3;
ok(!defined $foo->{two}, 'weak value gone');
# test readonly SVs
sub mk_ref { \ 'yay' };
my $foo_ro = eval { Foo->new(one => mk_ref()) };
if ($] < 5.008003) {
like(
$@,
qr/\QReference to readonly value in "one" can not be weakened on Perl < 5.8.3/,
'Expected exception thrown on old perls'
);
}
elsif ($^O eq 'cygwin' and $] < 5.012000) {
SKIP: { skip 'Static coderef reaping seems nonfunctional on cygwin < 5.12', 1 }
}
else {
is(${$foo_ro->one},'yay', 'value present');
ok(Scalar::Util::isweak($foo_ro->{one}), 'value weakened');
{ no warnings 'redefine'; *mk_ref = sub {} }
ok (!defined $foo_ro->{one}, 'optree reaped, ro static value gone');
}
done_testing;