1# 2008 July 11 2# 3# The author disclaims copyright to this source code. In place of 4# a legal notice, here is a blessing: 5# 6# May you do good and not evil. 7# May you find forgiveness for yourself and forgive others. 8# May you share freely, never taking more than you give. 9# 10#*********************************************************************** 11# This file implements regression tests for SQLite library. 12# 13# This file implements tests to make sure SQLite does not crash or 14# segfault if it sees a corrupt database file. It specifically focuses 15# on corrupt database headers. 16# 17# $Id: corruptA.test,v 1.1 2008/07/11 16:39:23 drh Exp $ 18 19set testdir [file dirname $argv0] 20source $testdir/tester.tcl 21 22# Do not use a codec for tests in this file, as the database file is 23# manipulated directly using tcl scripts (using the [hexio_write] command). 24# 25do_not_use_codec 26 27 28# Create a database to work with. 29# 30do_test corruptA-1.1 { 31 execsql { 32 CREATE TABLE t1(x); 33 INSERT INTO t1(x) VALUES(1); 34 } 35 expr {[file size test.db]>=1024} 36} {1} 37integrity_check corruptA-1.2 38 39# Corrupt the file header in various ways and make sure the corruption 40# is detected when opening the database file. 41# 42db close 43file copy -force test.db test.db-template 44 45set unreadable_version 02 46ifcapable wal { set unreadable_version 03 } 47do_test corruptA-2.1 { 48 file copy -force test.db-template test.db 49 hexio_write test.db 19 $unreadable_version ;# the read format number 50 sqlite3 db test.db 51 catchsql {SELECT * FROM t1} 52} {1 {file is encrypted or is not a database}} 53 54do_test corruptA-2.2 { 55 db close 56 file copy -force test.db-template test.db 57 hexio_write test.db 21 41 ;# max embedded payload fraction 58 sqlite3 db test.db 59 catchsql {SELECT * FROM t1} 60} {1 {file is encrypted or is not a database}} 61 62do_test corruptA-2.3 { 63 db close 64 file copy -force test.db-template test.db 65 hexio_write test.db 22 1f ;# min embedded payload fraction 66 sqlite3 db test.db 67 catchsql {SELECT * FROM t1} 68} {1 {file is encrypted or is not a database}} 69 70do_test corruptA-2.4 { 71 db close 72 file copy -force test.db-template test.db 73 hexio_write test.db 23 21 ;# min leaf payload fraction 74 sqlite3 db test.db 75 catchsql {SELECT * FROM t1} 76} {1 {file is encrypted or is not a database}} 77 78 79finish_test 80