--- /dev/null
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More;
+
+use Moose::Util qw( resolve_metaclass_alias resolve_metatrait_alias );
+
+use lib 't/lib';
+
+# Doing each test twice is intended to make sure that the caching
+# doesn't break name resolution. It doesn't actually test that
+# anything is cached.
+is( resolve_metaclass_alias( 'Attribute', 'Moose::Meta::Attribute::Custom::Foo' ),
+ 'Moose::Meta::Attribute::Custom::Foo',
+ 'resolve_metaclass_alias finds Moose::Meta::Attribute::Custom::Foo' );
+
+is( resolve_metaclass_alias( 'Attribute', 'Moose::Meta::Attribute::Custom::Foo' ),
+ 'Moose::Meta::Attribute::Custom::Foo',
+ 'resolve_metaclass_alias finds Moose::Meta::Attribute::Custom::Foo second time' );
+
+is( resolve_metaclass_alias( 'Attribute', 'Foo' ),
+ 'Moose::Meta::Attribute::Custom::Foo',
+ 'resolve_metaclass_alias finds Moose::Meta::Attribute::Custom::Foo via alias (Foo)' );
+
+is( resolve_metaclass_alias( 'Attribute', 'Foo' ),
+ 'Moose::Meta::Attribute::Custom::Foo',
+ 'resolve_metaclass_alias finds Moose::Meta::Attribute::Custom::Foo via alias (Foo) a second time' );
+
+is( resolve_metaclass_alias( 'Attribute', 'Moose::Meta::Attribute::Custom::Bar' ),
+ 'My::Bar',
+ 'resolve_metaclass_alias finds Moose::Meta::Attribute::Custom::Bar as My::Bar' );
+
+is( resolve_metaclass_alias( 'Attribute', 'Moose::Meta::Attribute::Custom::Bar' ),
+ 'My::Bar',
+ 'resolve_metaclass_alias finds Moose::Meta::Attribute::Custom::Bar as My::Bar a second time' );
+
+is( resolve_metaclass_alias( 'Attribute', 'Bar' ),
+ 'My::Bar',
+ 'resolve_metaclass_alias finds Moose::Meta::Attribute::Custom::Bar as My::Bar via alias (Bar)' );
+
+is( resolve_metaclass_alias( 'Attribute', 'Bar' ),
+ 'My::Bar',
+ 'resolve_metaclass_alias finds Moose::Meta::Attribute::Custom::Bar as My::Bar via alias (Bar) a second time' );
+
+is( resolve_metatrait_alias( 'Attribute', 'Moose::Meta::Attribute::Custom::Trait::Foo' ),
+ 'Moose::Meta::Attribute::Custom::Trait::Foo',
+ 'resolve_metatrait_alias finds Moose::Meta::Attribute::Custom::Trait::Foo' );
+
+is( resolve_metatrait_alias( 'Attribute', 'Moose::Meta::Attribute::Custom::Trait::Foo' ),
+ 'Moose::Meta::Attribute::Custom::Trait::Foo',
+ 'resolve_metatrait_alias finds Moose::Meta::Attribute::Custom::Trait::Foo second time' );
+
+is( resolve_metatrait_alias( 'Attribute', 'Foo' ),
+ 'Moose::Meta::Attribute::Custom::Trait::Foo',
+ 'resolve_metatrait_alias finds Moose::Meta::Attribute::Custom::Trait::Foo via alias (Foo)' );
+
+is( resolve_metatrait_alias( 'Attribute', 'Foo' ),
+ 'Moose::Meta::Attribute::Custom::Trait::Foo',
+ 'resolve_metatrait_alias finds Moose::Meta::Attribute::Custom::Trait::Foo via alias (Foo) a second time' );
+
+is( resolve_metatrait_alias( 'Attribute', 'Moose::Meta::Attribute::Custom::Trait::Bar' ),
+ 'My::Trait::Bar',
+ 'resolve_metatrait_alias finds Moose::Meta::Attribute::Custom::Trait::Bar as My::Trait::Bar' );
+
+is( resolve_metatrait_alias( 'Attribute', 'Moose::Meta::Attribute::Custom::Trait::Bar' ),
+ 'My::Trait::Bar',
+ 'resolve_metatrait_alias finds Moose::Meta::Attribute::Custom::Trait::Bar as My::Trait::Bar a second time' );
+
+is( resolve_metatrait_alias( 'Attribute', 'Bar' ),
+ 'My::Trait::Bar',
+ 'resolve_metatrait_alias finds Moose::Meta::Attribute::Custom::Trait::Bar as My::Trait::Bar via alias (Bar)' );
+
+is( resolve_metatrait_alias( 'Attribute', 'Bar' ),
+ 'My::Trait::Bar',
+ 'resolve_metatrait_alias finds Moose::Meta::Attribute::Custom::Trait::Bar as My::Trait::Bar via alias (Bar) a second time' );
+
+done_testing;