--source include/galera_cluster.inc
--source include/have_innodb.inc

set @start_value = @@wsrep_start_position;

--error 1231
set @@global.wsrep_start_position='foo:bar';
--error 1231
set @@global.wsrep_start_position=NULL;
--Error 1232
SET @@global.wsrep_start_position = -1;

set @@global.wsrep_start_position = @start_value;