# 2006 February 10

#

# 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.

#

#***********************************************************************

# This file implements regression tests for SQLite library.

#

# This file implements tests to verify that ticket #1667 has been

# fixed.  

#

#

# $Id: tkt1667.test,v 1.3 2008/07/12 14:52:20 drh Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl

ifcapable !autovacuum||!tclvar {

  finish_test

  return

}

db close

file delete -force test.db test.db-journal

# Set the pending byte offset such that the page it is on is

# the first autovacuum pointer map page in the file (assume a page 

# size of 1024).

set first_ptrmap_page   [expr 1024/5 + 3]

set sqlite_pending_byte [expr 1024 * ($first_ptrmap_page-1)]

sqlite db test.db

do_test tkt1667-1 {

  execsql {

    PRAGMA auto_vacuum = 1;

    BEGIN;

    CREATE TABLE t1(a, b);

  }

  for {set i 0} {$i < 500} {incr i} {

    execsql {

      INSERT INTO t1 VALUES($i, randstr(1000, 2000))

    }

  }

  execsql {

    COMMIT;

  }

} {}

for {set i 0} {$i < 500} {incr i} {

  do_test tkt1667-2.$i.1 {

    execsql {

      DELETE FROM t1 WHERE a = $i;

    }

  } {}

  integrity_check tkt1667-2.$i.2

}

do_test tkt1667-3 {

  execsql {

    BEGIN;

  }

  for {set i 0} {$i < 500} {incr i} {

    execsql {

      INSERT INTO t1 VALUES($i, randstr(1000, 2000))

    }

  }

  execsql {

    COMMIT;

  }

} {}

do_test tkt1667-4.1 {

  execsql {

    DELETE FROM t1;

  }

} {}

integrity_check tkt1667-4.2

finish_test