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#!/usr/bin/perl
use strict;
use warnings;
use Test::More tests => 47;
use Test::Exception;
use Scalar::Util qw/isweak reftype/;
BEGIN {
use_ok('Class::MOP::Instance');
}
can_ok( "Class::MOP::Instance", $_ ) for qw/
new
create_instance
bless_instance_structure
get_all_slots
initialize_all_slots
deinitialize_all_slots
get_slot_value
set_slot_value
initialize_slot
deinitialize_slot
is_slot_initialized
weaken_slot_value
strengthen_slot_value
inline_get_slot_value
inline_set_slot_value
inline_initialize_slot
inline_deinitialize_slot
inline_is_slot_initialized
inline_weaken_slot_value
inline_strengthen_slot_value
/;
{
package Foo;
use metaclass;
Foo->meta->add_attribute('moosen');
package Bar;
use metaclass;
use base qw/Foo/;
Bar->meta->add_attribute('elken');
}
my $mi_foo = Foo->meta->get_meta_instance;
isa_ok($mi_foo, "Class::MOP::Instance");
is_deeply(
[ $mi_foo->get_all_slots ],
[ "moosen" ],
'... get all slots for Foo');
my $mi_bar = Bar->meta->get_meta_instance;
isa_ok($mi_bar, "Class::MOP::Instance");
isnt($mi_foo, $mi_bar, '... they are not the same instance');
is_deeply(
[ sort $mi_bar->get_all_slots ],
[ "elken", "moosen" ],
'... get all slots for Bar');
my $i_foo = $mi_foo->create_instance;
isa_ok($i_foo, "Foo");
{
my $i_foo_2 = $mi_foo->create_instance;
isa_ok($i_foo_2, "Foo");
isnt($i_foo_2, $i_foo, '... not the same instance');
is_deeply($i_foo, $i_foo_2, '... but the same structure');
}
ok(!$mi_foo->is_slot_initialized( $i_foo, "moosen" ), "slot not initialized");
ok(!defined($mi_foo->get_slot_value( $i_foo, "moosen" )), "... no value for slot");
$mi_foo->initialize_slot( $i_foo, "moosen" );
ok($mi_foo->is_slot_initialized( $i_foo, "moosen" ), "slot initialized");
ok(!defined($mi_foo->get_slot_value( $i_foo, "moosen" )), "... but no value for slot");
$mi_foo->set_slot_value( $i_foo, "moosen", "the value" );
is($mi_foo->get_slot_value( $i_foo, "moosen" ), "the value", "... get slot value");
ok(!$i_foo->can('moosen'), '... Foo cant moosen');
my $ref = [];
$mi_foo->set_slot_value( $i_foo, "moosen", $ref );
$mi_foo->weaken_slot_value( $i_foo, "moosen" );
ok( isweak($i_foo->{moosen}), '... white box test of weaken' );
is( $mi_foo->get_slot_value( $i_foo, "moosen" ), $ref, "weak value is fetchable" );
ok( !isweak($mi_foo->get_slot_value( $i_foo, "moosen" )), "return value not weak" );
undef $ref;
is( $mi_foo->get_slot_value( $i_foo, "moosen" ), undef, "weak value destroyed" );
$ref = [];
$mi_foo->set_slot_value( $i_foo, "moosen", $ref );
undef $ref;
is( reftype( $mi_foo->get_slot_value( $i_foo, "moosen" ) ), "ARRAY", "value not weak yet" );
$mi_foo->weaken_slot_value( $i_foo, "moosen" );
is( $mi_foo->get_slot_value( $i_foo, "moosen" ), undef, "weak value destroyed" );
$ref = [];
$mi_foo->set_slot_value( $i_foo, "moosen", $ref );
$mi_foo->weaken_slot_value( $i_foo, "moosen" );
ok( isweak($i_foo->{moosen}), '... white box test of weaken' );
$mi_foo->strengthen_slot_value( $i_foo, "moosen" );
ok( !isweak($i_foo->{moosen}), '... white box test of weaken' );
undef $ref;
is( reftype( $mi_foo->get_slot_value( $i_foo, "moosen" ) ), "ARRAY", "weak value can be strengthened" );
$mi_foo->deinitialize_slot( $i_foo, "moosen" );
ok(!$mi_foo->is_slot_initialized( $i_foo, "moosen" ), "slot deinitialized");
ok(!defined($mi_foo->get_slot_value( $i_foo, "moosen" )), "... no value for slot");
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