/trunk/test/tkt2565.test |
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# 2009 January 8 |
# |
# 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 script attempts to reproduce the circumstances of ticket #2565. |
# |
# More specifically, this script attempts to generate rollback journals |
# that contain headers with nRec==0 that are followed by additional |
# valid headers. |
# |
# $Id: tkt2565.test,v 1.2 2009/04/09 01:23:49 drh Exp $ |
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set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
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# Use the alternative pcache and rig it to call pagerStress() |
# very frequently. |
# |
db close |
sqlite3_shutdown |
sqlite3_config_alt_pcache 1 100 0 1 |
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# Open two database connections to database "test.db". |
# |
proc reopen_database {} { |
catch {db close} |
sqlite3 db test.db |
db cache size 0 |
execsql { |
pragma page_size=512; |
pragma auto_vacuum=2; |
pragma cache_size=16; |
} |
} |
|
# Open two database connections and create a single table in the db. |
# |
do_test tkt2565-1.0 { |
reopen_database |
execsql { CREATE TABLE A(Id INTEGER, Name TEXT) } |
} {} |
|
for {set iFail 1} {$iFail<200} {incr iFail} { |
reopen_database |
execsql { pragma locking_mode=exclusive } |
set nRow [db one {SELECT count(*) FROM a}] |
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# Dirty (at least) one of the pages in the cache. |
do_test tkt2565-1.$iFail.1 { |
execsql { |
BEGIN EXCLUSIVE; |
INSERT INTO a VALUES(1, 'ABCDEFGHIJKLMNOP'); |
} |
} {} |
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# Now try to commit the transaction. Cause an IO error to occur |
# within this operation, which moves the pager into the error state. |
# |
set ::sqlite_io_error_persist 1 |
set ::sqlite_io_error_pending $iFail |
do_test tkt2565-1.$iFail.2 { |
set rc [catchsql {COMMIT}] |
list |
} {} |
set ::sqlite_io_error_persist 0 |
set ::sqlite_io_error_pending 0 |
if {!$::sqlite_io_error_hit} break |
set ::sqlite_io_error_hit 0 |
} |
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# Make sure this test script doesn't leave any files open. |
# |
do_test tkt2565-1.X { |
catch { db close } |
set sqlite_open_file_count |
} 0 |
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# Restore the pcache configuration for subsequent tests. |
# |
sqlite3_shutdown |
sqlite3_config_alt_pcache 0 |
sqlite3_initialize |
autoinstall_test_functions |
|
finish_test |