source include/not_embedded.inc;

create role role1;

--error ER_INVALID_ROLE
create role none;
--error ER_INVALID_ROLE
create role public;
--error ER_CANNOT_USER
drop role none;
--error ER_CANNOT_USER
drop role public;

--error ER_INVALID_ROLE
grant none to role1;
--error ER_INVALID_ROLE
grant role1 to none;
--error ER_INVALID_ROLE
grant select on *.* to none;
--error ER_INVALID_ROLE
grant public to role1;
grant role1 to public;
grant select on *.* to public;

--error ER_INVALID_ROLE
grant role1 to current_role;

--error ER_INVALID_ROLE
revoke none from role1;
--error ER_INVALID_ROLE
revoke role1 from none;
--error ER_INVALID_ROLE
revoke select on *.* from none;
--error ER_INVALID_ROLE
revoke public from role1;
revoke role1 from public;
revoke select on *.* from public;

--error ER_INVALID_ROLE
show grants for none;
show grants for public;

--error ER_INVALID_ROLE
create definer=none view test.v1 as select 1;
--error ER_INVALID_ROLE
create definer=public view test.v1 as select 1;

drop role role1;

create user foo@localhost;
connect foo,localhost,foo;
--error ER_INVALID_ROLE
set default role public;
disconnect foo;

connection default;
update mysql.global_priv set priv=json_insert(priv, '$.default_role', 'none') where user='foo';
connect foo,localhost,foo;
show grants;
select * from information_schema.enabled_roles;
disconnect foo;

connection default;
update mysql.global_priv set priv=json_insert(priv, '$.default_role', 'public') where user='foo';
connect foo,localhost,foo;
show grants;
select * from information_schema.enabled_roles;
disconnect foo;

connection default;
drop user foo@localhost;

insert mysql.global_priv values ('', 'none', '{"is_role":true}');
flush privileges;
delete from mysql.global_priv where host='';