| # 2008 July 11 |
| # |
| # 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. |
| # |
| # This file implements tests to make sure SQLite does not crash or |
| # segfault if it sees a corrupt database file. It specifically focuses |
| # on corrupt database headers. |
| # |
| # $Id: corruptA.test,v 1.1 2008/07/11 16:39:23 drh Exp $ |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| |
| # Do not use a codec for tests in this file, as the database file is |
| # manipulated directly using tcl scripts (using the [hexio_write] command). |
| # |
| do_not_use_codec |
| |
| |
| # Create a database to work with. |
| # |
| do_test corruptA-1.1 { |
| execsql { |
| CREATE TABLE t1(x); |
| INSERT INTO t1(x) VALUES(1); |
| } |
| expr {[file size test.db]>=1024} |
| } {1} |
| integrity_check corruptA-1.2 |
| |
| # Corrupt the file header in various ways and make sure the corruption |
| # is detected when opening the database file. |
| # |
| db close |
| file copy -force test.db test.db-template |
| |
| set unreadable_version 02 |
| ifcapable wal { set unreadable_version 03 } |
| do_test corruptA-2.1 { |
| file copy -force test.db-template test.db |
| hexio_write test.db 19 $unreadable_version ;# the read format number |
| sqlite3 db test.db |
| catchsql {SELECT * FROM t1} |
| } {1 {file is encrypted or is not a database}} |
| |
| do_test corruptA-2.2 { |
| db close |
| file copy -force test.db-template test.db |
| hexio_write test.db 21 41 ;# max embedded payload fraction |
| sqlite3 db test.db |
| catchsql {SELECT * FROM t1} |
| } {1 {file is encrypted or is not a database}} |
| |
| do_test corruptA-2.3 { |
| db close |
| file copy -force test.db-template test.db |
| hexio_write test.db 22 1f ;# min embedded payload fraction |
| sqlite3 db test.db |
| catchsql {SELECT * FROM t1} |
| } {1 {file is encrypted or is not a database}} |
| |
| do_test corruptA-2.4 { |
| db close |
| file copy -force test.db-template test.db |
| hexio_write test.db 23 21 ;# min leaf payload fraction |
| sqlite3 db test.db |
| catchsql {SELECT * FROM t1} |
| } {1 {file is encrypted or is not a database}} |
| |
| |
| finish_test |