#
# wsrep_restart_slave
#
# save the initial value
SET @wsrep_restart_slave_global_saved = @@global.wsrep_restart_slave;
# default
SELECT @@global.wsrep_restart_slave;
@@global.wsrep_restart_slave
0
SELECT @@session.wsrep_restart_slave;
ERROR HY000: Variable 'wsrep_restart_slave' is a GLOBAL variable

# scope and valid values
SET @@global.wsrep_restart_slave=OFF;
SELECT @@global.wsrep_restart_slave;
@@global.wsrep_restart_slave
0
SET @@global.wsrep_restart_slave=ON;
SELECT @@global.wsrep_restart_slave;
@@global.wsrep_restart_slave
1

# invalid values
SET @@global.wsrep_restart_slave=NULL;
ERROR 42000: Variable 'wsrep_restart_slave' can't be set to the value of 'NULL'
SET @@global.wsrep_restart_slave='junk';
ERROR 42000: Variable 'wsrep_restart_slave' can't be set to the value of 'junk'

# restore the initial value
SET @@global.wsrep_restart_slave = @wsrep_restart_slave_global_saved;
# End of test