1 files changed, 19 insertions, 0 deletions
diff --git a/mysql-test/t/auto_increment.test b/mysql-test/t/auto_increment.test
index 5fba4bb9234..8c614131684 100644
--- a/mysql-test/t/auto_increment.test
+++ b/mysql-test/t/auto_increment.test
@@ -70,3 +70,22 @@ select * from t1;
 check table t1;
 drop table t1;
 
+#
+# Test negative values (Bug #1366)
+#
+
+create table t1 (a int not null auto_increment primary key);
+insert into t1 values (NULL);
+insert into t1 values (-1);
+select last_insert_id();
+insert into t1 values (NULL);
+select * from t1;
+drop table t1;
+
+create table t1 (a int not null auto_increment primary key) /*!41002 type=heap */;
+insert into t1 values (NULL);
+insert into t1 values (-1);
+select last_insert_id();
+insert into t1 values (NULL);
+select * from t1;
+drop table t1;