# 2005 August 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.

#

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

# This file implements regression tests for SQLite library.

#

# This file implements tests to verify that fsync is disabled when

# pragma synchronous=off even for multi-database commits.

#

# $Id: sync.test,v 1.6 2007/10/09 08:29:33 danielk1977 Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl

#

# These tests are only applicable on unix when pager pragma are

# enabled. Also, since every test uses an ATTACHed database, they

# are only run when ATTACH is enabled.

#

if {$::tcl_platform(platform)!="unix"} {

  finish_test

  return

}

ifcapable !pager_pragmas||!attach {

  finish_test

  return

}

do_test sync-1.1 {

  set sqlite_sync_count 0

  file delete -force test2.db

  file delete -force test2.db-journal

  execsql {

    PRAGMA fullfsync=OFF;

    CREATE TABLE t1(a,b);

    ATTACH DATABASE 'test2.db' AS db2;

    CREATE TABLE db2.t2(x,y);

  }

  ifcapable !dirsync {

    incr sqlite_sync_count 2

  }

  set sqlite_sync_count

} 8

ifcapable pager_pragmas {

  do_test sync-1.2 {

    set sqlite_sync_count 0

    execsql {

      PRAGMA main.synchronous=on;

      PRAGMA db2.synchronous=on;

      BEGIN;

      INSERT INTO t1 VALUES(1,2);

      INSERT INTO t2 VALUES(3,4);

      COMMIT;

    }

    ifcapable !dirsync {

      incr sqlite_sync_count 3

    }

    set sqlite_sync_count

  } 8

}

do_test sync-1.3 {

  set sqlite_sync_count 0

  execsql {

    PRAGMA main.synchronous=full;

    PRAGMA db2.synchronous=full;

    BEGIN;

    INSERT INTO t1 VALUES(3,4);

    INSERT INTO t2 VALUES(5,6);

    COMMIT;

  }

  ifcapable !dirsync {

    incr sqlite_sync_count 3

  }

  set sqlite_sync_count

} 10

ifcapable pager_pragmas {

  do_test sync-1.4 {

    set sqlite_sync_count 0

    execsql {

      PRAGMA main.synchronous=off;

      PRAGMA db2.synchronous=off;

      BEGIN;

      INSERT INTO t1 VALUES(5,6);

      INSERT INTO t2 VALUES(7,8);

      COMMIT;

    }

    set sqlite_sync_count

  } 0

}

finish_test