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 23# Create a database to work with. 24# 25do_test corruptA-1.1 { 26 execsql { 27 CREATE TABLE t1(x); 28 INSERT INTO t1(x) VALUES(1); 29 } 30 expr {[file size test.db]>=1024} 31} {1} 32integrity_check corruptA-1.2 33 34# Corrupt the file header in various ways and make sure the corruption 35# is detected when opening the database file. 36# 37db close 38file copy -force test.db test.db-template 39 40set unreadable_version 02 41ifcapable wal { set unreadable_version 03 } 42do_test corruptA-2.1 { 43 file copy -force test.db-template test.db 44 hexio_write test.db 19 $unreadable_version ;# the read format number 45 sqlite3 db test.db 46 catchsql {SELECT * FROM t1} 47} {1 {file is encrypted or is not a database}} 48 49do_test corruptA-2.2 { 50 db close 51 file copy -force test.db-template test.db 52 hexio_write test.db 21 41 ;# max embedded payload fraction 53 sqlite3 db test.db 54 catchsql {SELECT * FROM t1} 55} {1 {file is encrypted or is not a database}} 56 57do_test corruptA-2.3 { 58 db close 59 file copy -force test.db-template test.db 60 hexio_write test.db 22 1f ;# min embedded payload fraction 61 sqlite3 db test.db 62 catchsql {SELECT * FROM t1} 63} {1 {file is encrypted or is not a database}} 64 65do_test corruptA-2.4 { 66 db close 67 file copy -force test.db-template test.db 68 hexio_write test.db 23 21 ;# min leaf payload fraction 69 sqlite3 db test.db 70 catchsql {SELECT * FROM t1} 71} {1 {file is encrypted or is not a database}} 72 73 74finish_test 75