1 files changed, 88 insertions, 0 deletions
diff --git a/t/compat/foreign_inheritence.t b/t/compat/foreign_inheritence.t
new file mode 100644
index 0000000..1d3b0d8
--- /dev/null
+++ b/t/compat/foreign_inheritence.t
@@ -0,0 +1,88 @@
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Fatal;
+
+
+{
+
+    package Elk;
+    use strict;
+    use warnings;
+
+    sub new {
+        my $class = shift;
+        bless { no_moose => "Elk" } => $class;
+    }
+
+    sub no_moose { $_[0]->{no_moose} }
+
+    package Foo::Moose;
+    use Moose;
+
+    extends 'Elk';
+
+    has 'moose' => ( is => 'ro', default => 'Foo' );
+
+    sub new {
+        my $class = shift;
+        my $super = $class->SUPER::new(@_);
+        return $class->meta->new_object( '__INSTANCE__' => $super, @_ );
+    }
+
+    __PACKAGE__->meta->make_immutable( inline_constructor => 0, debug => 0 );
+
+    package Bucket;
+    use metaclass 'Class::MOP::Class';
+
+    __PACKAGE__->meta->add_attribute(
+        'squeegee' => ( accessor => 'squeegee' ) );
+
+    package Old::Bucket::Nose;
+
+    # see http://www.moosefoundation.org/moose_facts.htm
+    use Moose;
+
+    extends 'Bucket';
+
+    package MyBase;
+    sub foo { }
+
+    package Custom::Meta1;
+    use parent 'Moose::Meta::Class';
+
+    package Custom::Meta2;
+    use parent 'Moose::Meta::Class';
+
+    package SubClass1;
+    use metaclass 'Custom::Meta1';
+    use Moose;
+
+    extends 'MyBase';
+
+    package SubClass2;
+    use metaclass 'Custom::Meta2';
+    use Moose;
+
+    # XXX FIXME subclassing meta-attrs and immutable-ing the subclass fails
+}
+
+my $foo_moose = Foo::Moose->new();
+isa_ok( $foo_moose, 'Foo::Moose' );
+isa_ok( $foo_moose, 'Elk' );
+
+is( $foo_moose->no_moose, 'Elk',
+    '... got the right value from the Elk method' );
+is( $foo_moose->moose, 'Foo',
+    '... got the right value from the Foo::Moose method' );
+
+is( exception {
+    Old::Bucket::Nose->meta->make_immutable( debug => 0 );
+}, undef, 'Immutability on Moose class extending Class::MOP class ok' );
+
+is( exception {
+    SubClass2->meta->superclasses('MyBase');
+}, undef, 'Can subclass the same non-Moose class twice with different metaclasses' );
+
+done_testing;