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      1 # 2009 March 28
      2 #
      3 # The author disclaims copyright to this source code.  In place of
      4 # a legal notice, here is a blessing:
      5 #
      6 #    May you do good and not evil.
      7 #    May you find forgiveness for yourself and forgive others.
      8 #    May you share freely, never taking more than you give.
      9 #
     10 #***********************************************************************
     11 #
     12 # Ticket #3762:  Make sure that an incremental vacuum that reduces the
     13 # size of the database file such that a pointer-map page is elemented
     14 # can be correctly rolled back.
     15 #
     16 # That ticket #3762 has been fixed has already been verified by the
     17 # savepoint6.test test script.  But this script is simplier and a
     18 # redundant test never hurts.
     19 #
     20 # $Id: tkt3762.test,v 1.1 2009/03/31 00:50:36 drh Exp $
     21 
     22 set testdir [file dirname $argv0]
     23 source $testdir/tester.tcl
     24 
     25 do_test tkt3762-1.1 {
     26   db eval {
     27     PRAGMA auto_vacuum=INCREMENTAL;
     28     PRAGMA page_size=1024;
     29     PRAGMA cache_size=10;
     30     CREATE TABLE t1(x);
     31     INSERT INTO t1 VALUES(zeroblob(900));
     32     INSERT INTO t1 VALUES(zeroblob(900));
     33     INSERT INTO t1 SELECT x FROM t1;
     34     INSERT INTO t1 SELECT x FROM t1;
     35     INSERT INTO t1 SELECT x FROM t1;
     36     INSERT INTO t1 SELECT x FROM t1;
     37     INSERT INTO t1 SELECT x FROM t1;
     38     INSERT INTO t1 SELECT x FROM t1;
     39     INSERT INTO t1 SELECT x FROM t1;
     40     DELETE FROM t1 WHERE rowid>202;
     41     VACUUM;
     42     
     43     BEGIN;
     44     DELETE FROM t1 WHERE rowid IN (10,11,12) ;
     45     PRAGMA incremental_vacuum(10);
     46     UPDATE t1 SET x=zeroblob(900) WHERE rowid BETWEEN 100 AND 110;
     47     INSERT INTO t1 VALUES(zeroblob(39000));
     48     SELECT count(*) FROM t1;
     49     ROLLBACK;
     50   }
     51   db eval {PRAGMA integrity_check}
     52 } {ok}
     53 
     54 finish_test
     55