The Perl Toolchain Summit 2025 Needs You: You can help 🙏 Learn more

use strict;
{
package Foo;
use Moose;
eval {
has 'foo' => (
reader => 'get_foo'
);
};
::ok(!$@, '... created the reader method okay');
eval {
has 'lazy_foo' => (
reader => 'get_lazy_foo',
lazy => 1,
default => sub { 10 }
);
};
::ok(!$@, '... created the lazy reader method okay') or warn $@;
eval {
has 'lazy_weak_foo' => (
reader => 'get_lazy_weak_foo',
lazy => 1,
default => sub { our $AREF = [] },
weak_ref => 1,
);
};
::ok(!$@, '... created the lazy weak reader method okay') or warn $@;
my $warn;
eval {
local $SIG{__WARN__} = sub { $warn = $_[0] };
has 'mtfnpy' => (
reder => 'get_mftnpy'
);
};
::ok($warn, '... got a warning for mispelled attribute argument');
}
{
my $foo = Foo->new;
isa_ok($foo, 'Foo');
can_ok($foo, 'get_foo');
is($foo->get_foo(), undef, '... got an undefined value');
isnt( exception {
$foo->get_foo(100);
}, undef, '... get_foo is a read-only' );
ok(!exists($foo->{lazy_foo}), '... no value in get_lazy_foo slot');
can_ok($foo, 'get_lazy_foo');
is($foo->get_lazy_foo(), 10, '... got an deferred value');
isnt( exception {
$foo->get_lazy_foo(100);
}, undef, '... get_lazy_foo is a read-only' );
is($foo->get_lazy_weak_foo(), $Foo::AREF, 'got the right value');
ok($foo->meta->get_meta_instance->slot_value_is_weak($foo, 'lazy_weak_foo'),
'... and it is weak');
}
{
my $foo = Foo->new;
isa_ok($foo, 'Foo');
my $attr = $foo->meta->find_attribute_by_name("lazy_foo");
isa_ok( $attr, "Moose::Meta::Attribute" );
ok( $attr->is_lazy, "it's lazy" );
is( $attr->get_raw_value($foo), undef, "raw value" );
is( $attr->get_value($foo), 10, "lazy value" );
is( $attr->get_raw_value($foo), 10, "raw value" );
my $lazy_weak_attr = $foo->meta->find_attribute_by_name("lazy_weak_foo");
is( $lazy_weak_attr->get_value($foo), $Foo::AREF, "it's the right value" );
ok( $foo->meta->get_meta_instance->slot_value_is_weak($foo, 'lazy_weak_foo'), "and it is weak");
}
{
my $foo = Foo->new(foo => 10, lazy_foo => 100);
isa_ok($foo, 'Foo');
is($foo->get_foo(), 10, '... got the correct value');
is($foo->get_lazy_foo(), 100, '... got the correct value');
}
done_testing;