Better test case for MDEV-436

mysql-test/suite/heap/heap.result

@@ -756,9 +756,37 @@ select data_length,index_length from information_schema.tables where table_schem
 data_length	index_length
 48000	72000
 drop table t1;
-CREATE TABLE t1 (a int, index(a)) engine=heap max_rows=4000;
+CREATE TABLE t1 (a int, index(a)) engine=heap max_rows=15000;
 insert into t1 values(1);
 select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
 data_length	index_length
+24000	36000
+drop table t1;
+create table t1 (c1 int, index(c1)) engine=heap max_rows=10000;
+insert into t1 select rand(100000000);
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1 limit 488;
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+data_length	index_length
 16000	24000
+insert into t1 select rand(100000000) from t1 limit 1;
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+data_length	index_length
+33024	49024
+insert into t1 select rand(100000000) from t1 limit 1000;
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+data_length	index_length
+49024	73024
+insert into t1 select rand(100000000) from t1;
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+data_length	index_length
+81024	121024
 drop table t1;

mysql-test/suite/heap/heap.test

@@ -489,7 +489,7 @@ DROP TABLE t1;
 #
 # Show that MIN_ROWS and MAX_ROWS have an effect on how data_length
 # and index_length are allocated.
-# This is different for 32 and 64 bit machines as pointer lengths are different
+# Result is different for 32 / 64 bit machines as pointer lengths are different
 #
 
 CREATE TABLE t1 (a int, index(a)) engine=heap min_rows=10 max_rows=100;
@@ -504,7 +504,28 @@ CREATE TABLE t1 (a int, index(a)) engine=heap min_rows=3000 max_rows=3000;
 insert into t1 values(1);
 select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
 drop table t1;
-CREATE TABLE t1 (a int, index(a)) engine=heap max_rows=4000;
+CREATE TABLE t1 (a int, index(a)) engine=heap max_rows=15000;
 insert into t1 values(1);
 select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
 drop table t1;
+
+create table t1 (c1 int, index(c1)) engine=heap max_rows=10000;
+insert into t1 select rand(100000000);
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1 limit 488;
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+insert into t1 select rand(100000000) from t1 limit 1;
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+insert into t1 select rand(100000000) from t1 limit 1000;
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+insert into t1 select rand(100000000) from t1;
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+drop table t1;