use strict;
use warnings;
use Test::More;
use Test::Fatal;
use Moose();
{
    my $exception =  exception {
        package Foo;
        use Moose;
        __PACKAGE__->meta->make_immutable;
        Foo->meta->does_role;
    };
    like(
        $exception,
        qr/You must supply a role name to look for/,
        "no role_name supplied to does_role");
    isa_ok(
        $exception,
        "Moose::Exception::RoleNameRequired",
        "no role_name supplied to does_role");
}
done_testing;