--echo #
--echo # Bug #17335427 INNODB CAN NOT USE THE DOUBLEWRITE BUFFER PROPERLY
--echo # Bug #18144349 INNODB CANNOT USE THE DOUBLEWRITE BUFFER FOR THE FIRST
--echo # PAGE OF SYSTEM TABLESPACE
--echo #

--source include/innodb_page_size.inc
--source include/have_debug.inc
--source include/not_embedded.inc
--disable_query_log
call mtr.add_suppression("InnoDB: Data file .* uses page size .* but the innodb_page_size start-up parameter is");
call mtr.add_suppression("InnoDB: adjusting FSP_SPACE_FLAGS");
call mtr.add_suppression("InnoDB: New log files created");
call mtr.add_suppression("InnoDB: Cannot create doublewrite buffer: the first file in innodb_data_file_path must be at least (3|6|12)M\\.");
call mtr.add_suppression("InnoDB: Database creation was aborted");
call mtr.add_suppression("Plugin 'InnoDB' (init function returned error|registration as a STORAGE ENGINE failed)");
call mtr.add_suppression("InnoDB: A bad Space ID was found in datafile");
call mtr.add_suppression("InnoDB: Checksum mismatch in datafile: ");
call mtr.add_suppression("InnoDB: Inconsistent tablespace ID in .*t1\\.ibd");
call mtr.add_suppression("InnoDB: Header page consists of zero bytes in datafile:");
--enable_query_log

let INNODB_PAGE_SIZE=`select @@innodb_page_size`;
let MYSQLD_DATADIR=`select @@datadir`;
let ALGO=`select @@innodb_checksum_algorithm`;
let SEARCH_FILE= $MYSQLTEST_VARDIR/log/mysqld.1.err;

show variables like 'innodb_doublewrite';
show variables like 'innodb_fil_make_page_dirty_debug';
show variables like 'innodb_saved_page_number_debug';

create table t1 (f1 int primary key, f2 blob) engine=innodb;

start transaction;
insert into t1 values(1, repeat('#',12));
insert into t1 values(2, repeat('+',12));
insert into t1 values(3, repeat('/',12));
insert into t1 values(4, repeat('-',12));
insert into t1 values(5, repeat('.',12));
commit work;

--echo # Test Begin: Test if recovery works if 1st page and 2nd page
--echo # of system tablespace is full of zeroes.

# Slow shutdown and restart to make sure ibuf merge is finished
SET GLOBAL innodb_fast_shutdown = 0;
let $shutdown_timeout=;
let $restart_parameters=--debug_dbug=+d,ib_log_checkpoint_avoid_hard --innodb_flush_sync=0;
--source include/restart_mysqld.inc
--source ../include/no_checkpoint_start.inc
begin;
insert into t1 values (6, repeat('%', 400));

--echo # Make the first page dirty for system tablespace
set global innodb_saved_page_number_debug = 0;
set global innodb_fil_make_page_dirty_debug = 0;

--echo # Make the second page dirty for system tablespace
set global innodb_saved_page_number_debug = 1;
set global innodb_fil_make_page_dirty_debug = 0;

set global innodb_buf_flush_list_now = 1;

--let CLEANUP_IF_CHECKPOINT=drop table t1, unexpected_checkpoint;
--source ../include/no_checkpoint_end.inc

--echo # Make the 1st page (page_no=0) and 2nd page (page_no=1)
--echo # of the system tablespace all zeroes.
perl;
use IO::Handle;
my $fname= "$ENV{'MYSQLD_DATADIR'}ibdata1";
open(FILE, "+<", $fname) or die;
FILE->autoflush(1);
binmode FILE;
print FILE chr(0) x ($ENV{'INNODB_PAGE_SIZE'});
seek(FILE, $ENV{'INNODB_PAGE_SIZE'}, SEEK_SET);
print FILE chr(0) x ($ENV{'INNODB_PAGE_SIZE'});
close FILE;
EOF

let $restart_parameters=;
--source include/start_mysqld.inc

let SEARCH_PATTERN=InnoDB: Restoring page \[page id: space=0, page number=0\] of datafile;
--source include/search_pattern_in_file.inc

let SEARCH_PATTERN=InnoDB: Recovered page \[page id: space=0, page number=1\];
--source include/search_pattern_in_file.inc

check table t1;
select f1, f2 from t1;

--echo # Test End
--echo # ---------------------------------------------------------------
--echo # Test Begin: Test if recovery works if 1st page of
--echo # system tablespace is corrupted and 2nd page as corrupted.

let $restart_parameters=--debug_dbug=+d,ib_log_checkpoint_avoid_hard --innodb_flush_sync=0;
--source include/restart_mysqld.inc
--source ../include/no_checkpoint_start.inc
begin;
insert into t1 values (6, repeat('%', 400));

--echo # Make the first page dirty for system tablespace
set global innodb_saved_page_number_debug = 0;
set global innodb_fil_make_page_dirty_debug = 0;

--echo # Make the second page dirty for system tablespace
set global innodb_saved_page_number_debug = 1;
set global innodb_fil_make_page_dirty_debug = 0;

set global innodb_buf_flush_list_now = 1;

--source ../include/no_checkpoint_end.inc

--echo # Corrupt the 1st page (page_no=0) and 2nd page of the system tablespace.
perl;
use IO::Handle;
my $fname= "$ENV{'MYSQLD_DATADIR'}ibdata1";
open(FILE, "+<", $fname) or die;
FILE->autoflush(1);
binmode FILE;
print FILE chr(0) x ($ENV{'INNODB_PAGE_SIZE'}/2);
seek(FILE, $ENV{'INNODB_PAGE_SIZE'}, SEEK_SET);
print FILE chr(0) x ($ENV{'INNODB_PAGE_SIZE'}/2);
close FILE;
EOF

let $restart_parameters=;
--source include/start_mysqld.inc

let SEARCH_PATTERN=InnoDB: Restoring page \[page id: space=0, page number=0\] of datafile;
--source include/search_pattern_in_file.inc

let SEARCH_PATTERN=InnoDB: Recovered page \[page id: space=0, page number=1\];
--source include/search_pattern_in_file.inc

check table t1;
select f1, f2 from t1;
drop table t1;
let $shutdown_timeout=;
--echo # Test End
--echo # ---------------------------------------------------------------
--echo #
--echo # MDEV-12600 crash during install_db with innodb_page_size=32K
--echo # and ibdata1=3M
--echo #
let bugdir= $MYSQLTEST_VARDIR/tmp/doublewrite;
--mkdir $bugdir

let $check_no_innodb=SELECT * FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');

--let $ibp=--innodb-log-group-home-dir=$bugdir --innodb-data-home-dir=$bugdir
--let $ibp=$ibp --innodb-undo-tablespaces=0
--let $ibp=$ibp --innodb-data-file-path=ibdata1:1M;ibdata2:1M:autoextend

--let $restart_parameters= $ibp
--source include/restart_mysqld.inc
eval $check_no_innodb;
--let SEARCH_PATTERN= \[ERROR\] InnoDB: Cannot create doublewrite buffer
--source include/search_pattern_in_file.inc
--let $restart_parameters=
--source include/restart_mysqld.inc

--remove_file $bugdir/ibdata1
--remove_file $bugdir/ibdata2
--remove_file $bugdir/ib_logfile0
--rmdir $bugdir