public function testBuildRoles()
{
$config = ['admin' => ['user', 'staff'], 'staff' => ['user'], 'user'];
$instance = new Acl();
$instance->setRoleRegistry(new Registry($config));
self::assertTrue($instance->hasRole('user'));
self::assertTrue($instance->hasRole('admin'));
self::assertTrue($instance->hasRole('staff'));
self::assertTrue($instance->inheritsRole('admin', 'user'));
self::assertTrue($instance->inheritsRole('admin', 'staff'));
self::assertTrue($instance->inheritsRole('staff', 'user'));
}
