sqlite/test/tkt3762.test

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# 2009 March 28
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
#
# Ticket #3762: Make sure that an incremental vacuum that reduces the
# size of the database file such that if a pointer-map page is eliminated
# it can be correctly rolled back.
#
# That ticket #3762 has been fixed has already been verified by the
# savepoint6.test test script. But this script is simplier and a
# redundant test never hurts.
#
# $Id: tkt3762.test,v 1.1 2009/03/31 00:50:36 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
do_test tkt3762-1.1 {
db eval {
PRAGMA auto_vacuum=INCREMENTAL;
PRAGMA page_size=1024;
PRAGMA cache_size=10;
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(zeroblob(900));
INSERT INTO t1 VALUES(zeroblob(900));
INSERT INTO t1 SELECT x FROM t1;
INSERT INTO t1 SELECT x FROM t1;
INSERT INTO t1 SELECT x FROM t1;
INSERT INTO t1 SELECT x FROM t1;
INSERT INTO t1 SELECT x FROM t1;
INSERT INTO t1 SELECT x FROM t1;
INSERT INTO t1 SELECT x FROM t1;
DELETE FROM t1 WHERE rowid>202;
VACUUM;
BEGIN;
DELETE FROM t1 WHERE rowid IN (10,11,12) ;
PRAGMA incremental_vacuum(10);
UPDATE t1 SET x=zeroblob(900) WHERE rowid BETWEEN 100 AND 110;
INSERT INTO t1 VALUES(zeroblob(39000));
SELECT count(*) FROM t1;
ROLLBACK;
}
db eval {PRAGMA integrity_check}
} {ok}
finish_test