1 files changed, 64 insertions, 0 deletions
diff --git a/mysql-test/suite/sys_vars/t/innodb_simulate_comp_failures_basic.test b/mysql-test/suite/sys_vars/t/innodb_simulate_comp_failures_basic.test
new file mode 100644
index 00000000000..97e69e3f324
--- /dev/null
+++ b/mysql-test/suite/sys_vars/t/innodb_simulate_comp_failures_basic.test
@@ -0,0 +1,64 @@
+--source include/have_innodb.inc
+
+SET @start_global_value = @@global.innodb_simulate_comp_failures;
+SELECT @start_global_value;
+
+#
+# exists as global only
+#
+
+--echo Valid values are between 0 and 99
+select @@global.innodb_simulate_comp_failures between 0 and 99;
+select @@global.innodb_simulate_comp_failures;
+
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+select @@session.innodb_simulate_comp_failures;
+
+show global variables like 'innodb_simulate_comp_failures';
+show session variables like 'innodb_simulate_comp_failures';
+select * from information_schema.global_variables where variable_name='innodb_simulate_comp_failures';
+select * from information_schema.session_variables where variable_name='innodb_simulate_comp_failures';
+
+#
+# show that it's writable
+#
+
+set global innodb_simulate_comp_failures=10;
+select @@global.innodb_simulate_comp_failures;
+select * from information_schema.global_variables where variable_name='innodb_simulate_comp_failures';
+select * from information_schema.session_variables where variable_name='innodb_simulate_comp_failures';
+
+--error ER_GLOBAL_VARIABLE
+set session innodb_simulate_comp_failures=1;
+
+#
+# incorrect types
+#
+
+--error ER_WRONG_TYPE_FOR_VAR
+set global innodb_simulate_comp_failures=1.1;
+--error ER_WRONG_TYPE_FOR_VAR
+set global innodb_simulate_comp_failures=1e1;
+--error ER_WRONG_TYPE_FOR_VAR
+set global innodb_simulate_comp_failures="foo";
+
+set global innodb_simulate_comp_failures=-7;
+select @@global.innodb_simulate_comp_failures;
+select * from information_schema.global_variables where variable_name='innodb_simulate_comp_failures';
+set global innodb_simulate_comp_failures=106;
+select @@global.innodb_simulate_comp_failures;
+select * from information_schema.global_variables where variable_name='innodb_simulate_comp_failures';
+
+#
+# min/max/DEFAULT values
+#
+
+set global innodb_simulate_comp_failures=0;
+select @@global.innodb_simulate_comp_failures;
+set global innodb_simulate_comp_failures=99;
+select @@global.innodb_simulate_comp_failures;
+set global innodb_simulate_comp_failures=DEFAULT;
+select @@global.innodb_simulate_comp_failures;
+
+SET @@global.innodb_simulate_comp_failures = @start_global_value;
+SELECT @@global.innodb_simulate_comp_failures;