system sh/stop_dnodes.sh
system sh/deploy.sh -n dnode1 -i 1
system sh/cfg.sh -n dnode1 -c wallevel -v 0
system sh/exec.sh -n dnode1 -s start
sleep 3000
sql connect

print ============= step1
sql create user read pass 'taosdata1'
sql create user write pass 'taosdata1'

sql alter user read pass 'taosdata'
sql alter user write pass 'taosdata'

sql show users
if $rows != 5 then 
  return -1
endi

print ============= step2
sql close
sql connect read
sleep 2000
sql alter user read pass 'taosdata'
sql alter user write pass 'taosdata1' -x step2
  return -1
step2:


print ============= step3
sql close
sql connect write
sleep 2000
sql alter user write pass 'taosdata'
sql alter user read pass 'taosdata' -x step3
  return -1
step3:

print ============= step4
sql close 
sql connect
sleep 2000
sql create user oroot pass 'taosdata'
sql show users
if $rows != 6 then 
  return -1
endi

system sh/exec.sh -n dnode1 -s stop -x SIGINT