1 files changed, 47 insertions, 0 deletions
diff --git a/mysql-test/suite/sys_vars/t/innodb_stats_modified_counter_basic.test b/mysql-test/suite/sys_vars/t/innodb_stats_modified_counter_basic.test
new file mode 100644
index 00000000000..98fc804906b
--- /dev/null
+++ b/mysql-test/suite/sys_vars/t/innodb_stats_modified_counter_basic.test
@@ -0,0 +1,47 @@
+--source include/have_innodb.inc
+
+SET @start_global_value = @@global.innodb_stats_modified_counter;
+SELECT @start_global_value;
+
+#
+# exists as global only
+#
+--echo Valid values are one or above
+select @@global.innodb_stats_modified_counter >=1;
+select @@global.innodb_stats_modified_counter;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+select @@session.innodb_stats_modified_counter;
+show global variables like 'innodb_stats_modified_counter';
+show session variables like 'innodb_stats_modified_counter';
+select * from information_schema.global_variables where variable_name='innodb_stats_modified_counter';
+select * from information_schema.session_variables where variable_name='innodb_stats_modified_counter';
+
+#
+# show that it's writable
+#
+set global innodb_stats_modified_counter=10;
+select @@global.innodb_stats_modified_counter;
+select * from information_schema.global_variables where variable_name='innodb_stats_modified_counter';
+select * from information_schema.session_variables where variable_name='innodb_stats_modified_counter';
+--error ER_GLOBAL_VARIABLE
+set session innodb_stats_modified_counter=1;
+
+#
+# incorrect types
+#
+--error ER_WRONG_TYPE_FOR_VAR
+set global innodb_stats_modified_counter=1.1;
+--error ER_WRONG_TYPE_FOR_VAR
+set global innodb_stats_modified_counter=1e1;
+--error ER_WRONG_TYPE_FOR_VAR
+set global innodb_stats_modified_counter="foo";
+
+set global innodb_stats_modified_counter=-7;
+select @@global.innodb_stats_modified_counter;
+select * from information_schema.global_variables where variable_name='innodb_stats_modified_counter';
+
+#
+# cleanup
+#
+SET @@global.innodb_stats_modified_counter = @start_global_value;
+SELECT @@global.innodb_stats_modified_counter;