# 2010 May 03
#
# 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.  The
# focus of this file is testing the operation of the library in
# "PRAGMA journal_mode=WAL" mode.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
source $testdir/lock_common.tcl

ifcapable !wal {finish_test ; return }
set testprefix wal2fault

do_execsql_test 1.0 {
  CREATE TABLE t1(x,y);
  PRAGMA journal_mode = wal2;
  WITH s(i) AS ( SELECT 100 UNION ALL SELECT i-1 FROM s WHERE (i-1)>0 )
  INSERT INTO t1 SELECT i, randomblob(i) FROM s;
  WITH s(i) AS ( SELECT 100 UNION ALL SELECT i-1 FROM s WHERE (i-1)>0 )
  INSERT INTO t1 SELECT i, randomblob(i) FROM s;
} {wal2}

do_test 1.1 {
  expr [file size test.db-wal]>10000
} {1}
faultsim_save_and_close

do_faultsim_test 1 -prep {
  faultsim_restore_and_reopen
  execsql {
    PRAGMA journal_size_limit = 10000;
    SELECT count(*) FROM sqlite_master;
  }
} -body {
  execsql {
    INSERT INTO t1 VALUES(1, 2);
  }
} -test {
  faultsim_test_result {0 {}}
}

finish_test