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

set @start_value = @@wsrep_cluster_name;

set @@global.wsrep_cluster_name='test';
--Error 1231
set @@global.wsrep_cluster_name=NULL;
--Error 1232
SET @@global.wsrep_cluster_name = 1;

set @@global.wsrep_cluster_name = @start_value;