Current File : //usr/share/doc/perl-Moose-2.1005/t/cmop/anon_class.t
use strict;
use warnings;
use Test::More;
use Test::Fatal;
use Class::MOP;
{
package Foo;
use strict;
use warnings;
use metaclass;
sub bar { 'Foo::bar' }
}
my $anon_class_id;
{
my $instance;
{
my $anon_class = Class::MOP::Class->create_anon_class();
isa_ok($anon_class, 'Class::MOP::Class');
($anon_class_id) = ($anon_class->name =~ /Class::MOP::Class::__ANON__::SERIAL::(\d+)/);
ok(exists $main::Class::MOP::Class::__ANON__::SERIAL::{$anon_class_id . '::'}, '... the package exists');
like($anon_class->name, qr/Class::MOP::Class::__ANON__::SERIAL::[0-9]+/, '... got an anon class package name');
is_deeply(
[$anon_class->superclasses],
[],
'... got an empty superclass list');
is( exception {
$anon_class->superclasses('Foo');
}, undef, '... can add a superclass to anon class' );
is_deeply(
[$anon_class->superclasses],
[ 'Foo' ],
'... got the right superclass list');
ok(!$anon_class->has_method('foo'), '... no foo method');
is( exception {
$anon_class->add_method('foo' => sub { "__ANON__::foo" });
}, undef, '... added a method to my anon-class' );
ok($anon_class->has_method('foo'), '... we have a foo method now');
$instance = $anon_class->new_object();
isa_ok($instance, $anon_class->name);
isa_ok($instance, 'Foo');
is($instance->foo, '__ANON__::foo', '... got the right return value of our foo method');
is($instance->bar, 'Foo::bar', '... got the right return value of our bar method');
}
ok(exists $main::Class::MOP::Class::__ANON__::SERIAL::{$anon_class_id . '::'}, '... the package still exists');
}
ok(!exists $main::Class::MOP::Class::__ANON__::SERIAL::{$anon_class_id . '::'}, '... the package no longer exists');
# but it breaks down when we try to create another one ...
my $instance_2 = bless {} => ('Class::MOP::Class::__ANON__::SERIAL::' . $anon_class_id);
isa_ok($instance_2, ('Class::MOP::Class::__ANON__::SERIAL::' . $anon_class_id));
ok(!$instance_2->isa('Foo'), '... but the new instance is not a Foo');
ok(!$instance_2->can('foo'), '... and it can no longer call the foo method');
done_testing;
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