mariadb/mysql-test/suite/sys_vars/t/all_vars.test

--source include/not_embedded.inc

#
# This test verifies that *all* system variables are tested
# by the sys_vars suite. For every system variable
# there must be a <variable_name>_basic.test file.
#

#
# we can diff in perl or in sql, as it's my_SQL_test suite, do it in sql
#

perl;
  use File::Basename;
  my $dirname=dirname($ENV{MYSQLTEST_FILE});
  my @all_tests=<$dirname/*_basic{,_32,_64}.test>;
  open(F, '>', "$ENV{MYSQLTEST_VARDIR}/tmp/sys_vars.all_vars.txt") or die;
  binmode F;
  print F join "\n", sort map { s/_basic(_32|_64)?\.test$//; basename $_ } @all_tests;
EOF

create table t1 (test_name text);
--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
eval load data infile "$MYSQLTEST_VARDIR/tmp/sys_vars.all_vars.txt" into table t1;

select variable_name as `There should be *no* variables listed below:`
                    from information_schema.global_variables
                       left join t1 on variable_name=test_name where
                         test_name is null
  union
select variable_name from information_schema.session_variables
                       left join t1 on variable_name=test_name where
                         test_name is null;

drop table t1;