--source include/not_embedded.inc
--source include/have_binlog_format_mixed.inc
--source include/master-slave.inc

#
# BUG#13427949: CHANGE MASTER TO USER='' (EMPTY USER) CAUSES ERRORS ON VALGRING 
#

--connection slave
call mtr.add_suppression(".*Invalid .* username when attempting to connect to the master server.*");


# Assert that we disallow empty users and that no problem
--source include/stop_slave.inc
CHANGE MASTER TO MASTER_USER= '', MASTER_PASSWORD= '';
START SLAVE;
--let $slave_io_errno= 1045, 1593
--source include/wait_for_slave_io_error.inc
--source include/stop_slave_sql.inc

CHANGE MASTER TO MASTER_USER= 'root', MASTER_PASSWORD= '';
START SLAVE;

--source include/rpl_end.inc