Moose-2.1405HEADMoose-2.1405master

1 files changed, 76 insertions, 0 deletions

diff --git a/t/metaclasses/moose_for_meta.t b/t/metaclasses/moose_for_meta.t
new file mode 100644
index 0000000..8956380
--- /dev/null
+++ b/t/metaclasses/moose_for_meta.t
@@ -0,0 +1,76 @@
+use strict;
+use warnings;
+
+use Test::More;
+
+
+=pod
+
+This test demonstrates the ability to extend
+Moose meta-level classes using Moose itself.
+
+=cut
+
+{
+    package My::Meta::Class;
+    use Moose;
+
+    extends 'Moose::Meta::Class';
+
+    around 'create_anon_class' => sub {
+        my $next = shift;
+        my ($self, %options) = @_;
+        $options{superclasses} = [ 'Moose::Object' ]
+            unless exists $options{superclasses};
+        $next->($self, %options);
+    };
+}
+
+my $anon = My::Meta::Class->create_anon_class();
+isa_ok($anon, 'My::Meta::Class');
+isa_ok($anon, 'Moose::Meta::Class');
+isa_ok($anon, 'Class::MOP::Class');
+
+is_deeply(
+    [ $anon->superclasses ],
+    [ 'Moose::Object' ],
+    '... got the default superclasses');
+
+{
+    package My::Meta::Attribute::DefaultReadOnly;
+    use Moose;
+
+    extends 'Moose::Meta::Attribute';
+
+    around 'new' => sub {
+        my $next = shift;
+        my ($self, $name, %options) = @_;
+        $options{is} = 'ro'
+            unless exists $options{is};
+        $next->($self, $name, %options);
+    };
+}
+
+{
+    my $attr = My::Meta::Attribute::DefaultReadOnly->new('foo');
+    isa_ok($attr, 'My::Meta::Attribute::DefaultReadOnly');
+    isa_ok($attr, 'Moose::Meta::Attribute');
+    isa_ok($attr, 'Class::MOP::Attribute');
+
+    ok($attr->has_reader, '... the attribute has a reader (as expected)');
+    ok(!$attr->has_writer, '... the attribute does not have a writer (as expected)');
+    ok(!$attr->has_accessor, '... the attribute does not have an accessor (as expected)');
+}
+
+{
+    my $attr = My::Meta::Attribute::DefaultReadOnly->new('foo', (is => 'rw'));
+    isa_ok($attr, 'My::Meta::Attribute::DefaultReadOnly');
+    isa_ok($attr, 'Moose::Meta::Attribute');
+    isa_ok($attr, 'Class::MOP::Attribute');
+
+    ok(!$attr->has_reader, '... the attribute does not have a reader (as expected)');
+    ok(!$attr->has_writer, '... the attribute does not have a writer (as expected)');
+    ok($attr->has_accessor, '... the attribute does have an accessor (as expected)');
+}
+
+done_testing;