^^&&^^

Edit File: ibuf_not_empty.test

--source include/have_innodb.inc
# innodb_change_buffering_debug option is debug only
--source include/have_debug.inc
# Embedded server does not support crashing
--source include/not_embedded.inc

call mtr.add_suppression('InnoDB: Failed to find tablespace for table \'".*".".*"\' in the cache');
call mtr.add_suppression('InnoDB: Allocated tablespace [0-9]+, old maximum was [0-9]+');

CREATE TABLE t1(
        a INT AUTO_INCREMENT PRIMARY KEY,
        b CHAR(1),
        c INT,
        INDEX(b))
ENGINE=InnoDB STATS_PERSISTENT=0;

# The flag innodb_change_buffering_debug is only available in debug builds.
# It instructs InnoDB to try to evict pages from the buffer pool when
# change buffering is possible, so that the change buffer will be used
# whenever possible.
SET GLOBAL innodb_change_buffering_debug = 1;

# Create enough rows for the table, so that the change buffer will be
# used for modifying the secondary index page. There must be multiple
# index pages, because changes to the root page are never buffered.
INSERT INTO t1 VALUES(0,'x',1);
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;

# Restart the server in force recovery mode
--echo # Stop server

# Write file to make mysql-test-run.pl wait for the server to stop
-- exec echo "wait" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect

# Request shutdown
-- send_shutdown

# Call script that will poll the server waiting for it to disapear
-- source include/wait_until_disconnected.inc

--echo # Restart server.

# Write file to make mysql-test-run.pl start up the server again, ensure
# that no background threads are started, so that we can check that it
# shuts down properly.
--exec echo "restart:--innodb-force-recovery=6" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect

# Turn on reconnect
--enable_reconnect

# Call script that will poll the server waiting for it to be back online again
--source include/wait_until_connected_again.inc

# Turn off reconnect again
--disable_reconnect

--error ER_CANT_LOCK
insert into t1 values(0,'y',1);