#
# wsrep_start_position
#
# save the initial value
SET @wsrep_start_position_global_saved = @@global.wsrep_start_position;
# default
SELECT @@global.wsrep_start_position;
@@global.wsrep_start_position
00000000-0000-0000-0000-000000000000:-1

# scope
SELECT @@session.wsrep_start_position;
ERROR HY000: Variable 'wsrep_start_position' is a GLOBAL variable
SET @@global.wsrep_start_position='00000000-0000-0000-0000-000000000000:-1';
SELECT @@global.wsrep_start_position;
@@global.wsrep_start_position
00000000-0000-0000-0000-000000000000:-1

# valid values
SET @@global.wsrep_start_position='00000000-0000-0000-0000-000000000000:-2';
SELECT @@global.wsrep_start_position;
@@global.wsrep_start_position
00000000-0000-0000-0000-000000000000:-2
SET @@global.wsrep_start_position='12345678-1234-1234-1234-123456789012:100';
SELECT @@global.wsrep_start_position;
@@global.wsrep_start_position
12345678-1234-1234-1234-123456789012:100
SET @@global.wsrep_start_position=default;
SELECT @@global.wsrep_start_position;
@@global.wsrep_start_position
00000000-0000-0000-0000-000000000000:-1

# invalid values
SET @@global.wsrep_start_position='000000000000000-0000-0000-0000-000000000000:-1';
ERROR 42000: Variable 'wsrep_start_position' can't be set to the value of '000000000000000-0000-0000-0000-000000000000:-1'
SET @@global.wsrep_start_position='12345678-1234-1234-12345-123456789012:100';
ERROR 42000: Variable 'wsrep_start_position' can't be set to the value of '12345678-1234-1234-12345-123456789012:100'
SET @@global.wsrep_start_position='12345678-1234-123-12345-123456789012:0';
ERROR 42000: Variable 'wsrep_start_position' can't be set to the value of '12345678-1234-123-12345-123456789012:0'
SET @@global.wsrep_start_position='12345678-1234-1234-1234-123456789012:_99999';
ERROR 42000: Variable 'wsrep_start_position' can't be set to the value of '12345678-1234-1234-1234-123456789012:_99999'
SET @@global.wsrep_start_position='12345678-1234-1234-1234-123456789012:a';
ERROR 42000: Variable 'wsrep_start_position' can't be set to the value of '12345678-1234-1234-1234-123456789012:a'
SET @@global.wsrep_start_position='OFF';
ERROR 42000: Variable 'wsrep_start_position' can't be set to the value of 'OFF'
SET @@global.wsrep_start_position=ON;
ERROR 42000: Variable 'wsrep_start_position' can't be set to the value of 'ON'
SET @@global.wsrep_start_position='';
ERROR 42000: Variable 'wsrep_start_position' can't be set to the value of ''
SET @@global.wsrep_start_position=NULL;
ERROR 42000: Variable 'wsrep_start_position' can't be set to the value of 'NULL'
SET @@global.wsrep_start_position='junk';
ERROR 42000: Variable 'wsrep_start_position' can't be set to the value of 'junk'

# restore the initial value
SET @@global.wsrep_start_position = @wsrep_start_position_global_saved;
# End of test