source include/not_embedded.inc;

connect (mysql, localhost, root,,);
use mysql;

#test valid syntax
--error ER_PARSE_ERROR
create role test_role1@host1;
--error ER_PARSE_ERROR
create role test_role2@host2, test_role1@host1;

create role test_role1;
create role test_role2, test_role3;

--sorted_result
select user, host, is_role from user where user like 'test%';

drop role test_role1;
drop role test_role2, test_role3;

create role test_role1;
--error ER_CANNOT_USER
create role test_role1;
--error ER_CANNOT_USER
create role test_role1, test_role2;

--sorted_result
select user, host, is_role from user where user like 'test%';

drop role test_role1;
--error ER_CANNOT_USER
drop role test_role1;
--error ER_CANNOT_USER
drop role test_role1, test_role2;

#test that we can not drop users when calling drop role
--error ER_CANNOT_USER
drop role root;
create user dummy@'';
--error ER_CANNOT_USER
drop role dummy;
drop user dummy@'';

--sorted_result
select user, host, is_role from user where user like 'test%';
disconnect mysql;
connection default;

#
# MDEV-5520 Connection lost on wrong CREATE ROLE
#
--error ER_INVALID_ROLE
create role '';

#
# MDEV-8609 Server crashes in is_invalid_role_name on reloading ACL with a blank role name
#
--error ER_INVALID_ROLE
create role ' ';
create role 'foo  ';
drop role foo;

#
# MDEV-5523 Server crashes on DROP USER <rolename>
#
create role r1;
--error ER_CANNOT_USER
drop user r1;
drop role r1;

#
# MDEV-5525 Assertion `status == 0' fails on creating user after granting it role admin option
# 
create role r1 with admin u1;
create user foo@bar;
drop user foo@bar;
drop role r1;

#
# MDEV-7774 Assertion `status == 0' fails when dropping in this order:
#
CREATE USER u1;
CREATE ROLE r1;
CREATE USER r1@localhost;
CREATE ROLE r2;
GRANT r2 to r1;
GRANT r2 to r1@localhost;
# MDEV-7774: Dropping in this order caused the crash.
DROP ROLE r1;
--sorted_result
SELECT * FROM mysql.roles_mapping;
SHOW GRANTS FOR r1@localhost; # Related to MDEV-7774, also caused a crash, by
                              # not updating the internal acl_roles_mapping
                              # data structure correctly;
DROP USER u1;
DROP ROLE r2;
DROP USER r1@localhost;

#
# MDEV-11533: Roles with trailing white spaces are not cleared correctly
#
create role 'foo  ';
select concat(user, '__'), is_role from mysql.user where user like 'foo%';
select * from mysql.roles_mapping;
drop role foo;
select concat(user, '__'), is_role from mysql.user where user like 'foo%';
select * from mysql.roles_mapping;
--sorted_result
show grants;