--- /dev/null
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More tests => 23;
+use Test::Exception;
+use Test::Moose;
+
+
+
+{
+ package My::Attribute::Trait;
+ use Moose::Role;
+
+ has 'alias_to' => (is => 'ro', isa => 'Str');
+
+ has foo => ( is => "ro", default => "blah" );
+
+ after 'install_accessors' => sub {
+ my $self = shift;
+ $self->associated_class->add_method(
+ $self->alias_to,
+ $self->get_read_method_ref
+ );
+ };
+
+ package Moose::Meta::Attribute::Custom::Trait::Aliased;
+ sub register_implementation { 'My::Attribute::Trait' }
+}
+
+{
+ package My::Other::Attribute::Trait;
+ use Moose::Role;
+
+ my $method = sub {
+ 42;
+ };
+
+ has the_other_attr => ( isa => "Str", is => "rw", default => "oink" );
+
+ after 'install_accessors' => sub {
+ my $self = shift;
+ $self->associated_class->add_method(
+ 'additional_method',
+ $method
+ );
+ };
+
+ package Moose::Meta::Attribute::Custom::Trait::Other;
+ sub register_implementation { 'My::Other::Attribute::Trait' }
+}
+
+{
+ package My::Class;
+ use Moose;
+
+ has 'bar' => (
+ traits => [qw/Aliased/],
+ is => 'ro',
+ isa => 'Int',
+ alias_to => 'baz',
+ );
+}
+
+{
+ package My::Derived::Class;
+ use Moose;
+
+ extends 'My::Class';
+
+ has '+bar' => (
+ traits => [qw/Other/],
+ );
+}
+
+my $c = My::Class->new(bar => 100);
+isa_ok($c, 'My::Class');
+
+is($c->bar, 100, '... got the right value for bar');
+
+can_ok($c, 'baz') and
+is($c->baz, 100, '... got the right value for baz');
+
+my $bar_attr = $c->meta->get_attribute('bar');
+does_ok($bar_attr, 'My::Attribute::Trait');
+is($bar_attr->foo, "blah", "attr initialized");
+
+ok(!$bar_attr->meta->does_role('Aliased'), "does_role ignores aliases for sanity");
+ok($bar_attr->does('Aliased'), "attr->does uses aliases");
+ok(!$bar_attr->meta->does_role('Fictional'), "does_role returns false for nonexistent roles");
+ok(!$bar_attr->does('Fictional'), "attr->does returns false for nonexistent roles");
+
+my $quux = My::Derived::Class->new(bar => 1000);
+
+is($quux->bar, 1000, '... got the right value for bar');
+
+can_ok($quux, 'baz');
+is($quux->baz, 1000, '... got the right value for baz');
+
+my $derived_bar_attr = $quux->meta->get_attribute("bar");
+does_ok($derived_bar_attr, 'My::Attribute::Trait' );
+
+is( $derived_bar_attr->foo, "blah", "attr initialized" );
+
+does_ok($derived_bar_attr, 'My::Other::Attribute::Trait' );
+
+is($derived_bar_attr->the_other_attr, "oink", "attr initialized" );
+
+ok(!$derived_bar_attr->meta->does_role('Aliased'), "does_role ignores aliases for sanity");
+ok($derived_bar_attr->does('Aliased'), "attr->does uses aliases");
+ok(!$derived_bar_attr->meta->does_role('Fictional'), "does_role returns false for nonexistent roles");
+ok(!$derived_bar_attr->does('Fictional'), "attr->does returns false for nonexistent roles");
+
+can_ok($quux, 'additional_method');
+is(eval { $quux->additional_method }, 42, '... got the right value for additional_method');
+
--- /dev/null
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More tests => 7;
+use Test::Exception;
+
+use lib 't/lib';
+use Test::Mouse;
+
+{
+ package My::Meta::Attribute::DefaultReadOnly;
+ use Mouse;
+
+ extends 'Mouse::Meta::Attribute';
+
+ around 'new' => sub {
+ my $next = shift;
+ my ($self, $name, %options) = @_;
+ $options{is} = 'ro'
+ unless exists $options{is};
+ $next->($self, $name, %options);
+ };
+}
+
+{
+ package My::Attribute::Trait;
+ use Mouse::Role;
+
+ has 'alias_to' => (is => 'ro', isa => 'Str');
+
+ after 'install_accessors' => sub {
+ my $self = shift;
+ $self->associated_class->add_method(
+ $self->alias_to,
+ $self->get_read_method_ref
+ );
+ };
+}
+
+{
+ package My::Class;
+ use Mouse;
+
+ has 'bar' => (
+ metaclass => 'My::Meta::Attribute::DefaultReadOnly',
+ traits => [qw/My::Attribute::Trait/],
+ isa => 'Int',
+ alias_to => 'baz',
+ );
+}
+
+my $c = My::Class->new(bar => 100);
+isa_ok($c, 'My::Class');
+
+is($c->bar, 100, '... got the right value for bar');
+
+can_ok($c, 'baz');
+is($c->baz, 100, '... got the right value for baz');
+
+isa_ok($c->meta->get_attribute('bar'), 'My::Meta::Attribute::DefaultReadOnly');
+does_ok($c->meta->get_attribute('bar'), 'My::Attribute::Trait');
+is($c->meta->get_attribute('bar')->_is_metadata, 'ro', '... got the right metaclass customization');
+
+
+
+