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-rw-r--r--lib/MooseX/NonMoose/Meta/Role/Class.pm16
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/MooseX/NonMoose/Meta/Role/Class.pm b/lib/MooseX/NonMoose/Meta/Role/Class.pm
index 5f78326..cc7275e 100644
--- a/lib/MooseX/NonMoose/Meta/Role/Class.pm
+++ b/lib/MooseX/NonMoose/Meta/Role/Class.pm
@@ -142,6 +142,22 @@ sub _check_superclass_constructor {
? $class->FOREIGNBUILDARGS(@_)
: @_;
my $instance = $super_new->execute($class, @foreign_params);
+ if (!blessed($instance)) {
+ confess "The constructor for "
+ . $super_new->associated_metaclass->name
+ . " did not return a blessed instance";
+ }
+ elsif (!$instance->isa($class)) {
+ if (!$class->isa(blessed($instance))) {
+ confess "The constructor for "
+ . $super_new->associated_metaclass->name
+ . " returned an object whose class is not a parent of "
+ . $class;
+ }
+ else {
+ bless $instance, $class;
+ }
+ }
return Class::MOP::Class->initialize($class)->new_object(
__INSTANCE__ => $instance,
%$params,