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# 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 walfault2
#-------------------------------------------------------------------------
# Inject faults while truncating the wal file.
#
do_execsql_test 1.0 {
PRAGMA auto_vacuum = 0;
CREATE TABLE t1(a, b);
PRAGMA journal_mode = wal;
WITH s(i) AS (
SELECT 1 UNION ALL SELECT i+1 FROM s LIMIT 30
)
INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM s;
} {wal}
faultsim_save_and_close
do_faultsim_test 1 -prep {
catch { db close }
faultsim_restore
sqlite3 db file:test.db?psow=0 -uri 1
file_control_powersafe_overwrite db 0
execsql {
PRAGMA wal_checkpoint;
PRAGMA journal_size_limit = 10000;
PRAGMA synchronous = full;
}
} -body {
execsql { INSERT INTO t1 VALUES(1,1) }
} -test {
faultsim_test_result {0 {}}
}
#-------------------------------------------------------------------------
# Inject faults while rewriting checksums.
#
reset_db
do_execsql_test 2.0 {
PRAGMA auto_vacuum = 0;
CREATE TABLE t1(a, b);
PRAGMA journal_mode = wal;
WITH s(i) AS (
SELECT 1 UNION ALL SELECT i+1 FROM s LIMIT 30
)
INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM s;
} {wal}
faultsim_save_and_close
do_faultsim_test 2 -prep {
faultsim_restore_and_reopen
execsql {
PRAGMA cache_size = 2;
BEGIN;
UPDATE t1 SET a=randomblob(400);
UPDATE t1 SET b=randomblob(400);
UPDATE t1 SET a=randomblob(400);
UPDATE t1 SET b=randomblob(400);
UPDATE t1 SET a=randomblob(400);
UPDATE t1 SET b=randomblob(400);
UPDATE t1 SET a=randomblob(400);
UPDATE t1 SET b=randomblob(400);
}
} -body {
execsql COMMIT
} -test {
faultsim_test_result {0 {}}
}
finish_test
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