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|
use strict;
use warnings;
use FindBin;
use File::Spec::Functions;
use Test::More;
use Test::Exception;
use Scalar::Util;
use Class::MOP;
use lib catdir( $FindBin::Bin, 'lib' );
{
package Foo;
use strict;
use warnings;
use metaclass;
__PACKAGE__->meta->make_immutable;
package Bar;
use strict;
use warnings;
use metaclass;
__PACKAGE__->meta->make_immutable;
package Baz;
use strict;
use warnings;
use metaclass 'MyMetaClass';
sub mymetaclass_attributes {
shift->meta->mymetaclass_attributes;
}
::lives_ok{ Baz->meta->superclasses('Bar') }
'... we survive the metaclass incompatibility test';
}
{
my $meta = Baz->meta;
ok( $meta->is_mutable, '... Baz is mutable' );
is(
Scalar::Util::blessed( Foo->meta ),
Scalar::Util::blessed( Bar->meta ),
'Foo and Bar immutable metaclasses match'
);
is( Scalar::Util::blessed($meta), 'MyMetaClass',
'Baz->meta blessed as MyMetaClass' );
ok( Baz->can('mymetaclass_attributes'),
'... Baz can do method before immutable' );
ok( $meta->can('mymetaclass_attributes'),
'... meta can do method before immutable' );
lives_ok { $meta->make_immutable } "Baz is now immutable";
ok( $meta->is_immutable, '... Baz is immutable' );
isa_ok( $meta, 'MyMetaClass', 'Baz->meta' );
ok( Baz->can('mymetaclass_attributes'),
'... Baz can do method after imutable' );
ok( $meta->can('mymetaclass_attributes'),
'... meta can do method after immutable' );
isnt( Scalar::Util::blessed( Baz->meta ),
Scalar::Util::blessed( Bar->meta ),
'Baz and Bar immutable metaclasses are different' );
lives_ok { $meta->make_mutable } "Baz is now mutable";
ok( $meta->is_mutable, '... Baz is mutable again' );
}
done_testing;
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