| # 2008 May 6 |
| # |
| # 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 SerialTypeLen values. |
| # |
| # $Id: corrupt6.test,v 1.2 2008/05/19 15:37:10 shane 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 |
| |
| # We must have the page_size pragma for these tests to work. |
| # |
| ifcapable !pager_pragmas { |
| finish_test |
| return |
| } |
| |
| # Create a simple, small database. |
| # |
| do_test corrupt6-1.1 { |
| execsql { |
| PRAGMA auto_vacuum=OFF; |
| PRAGMA page_size=1024; |
| CREATE TABLE t1(x); |
| INSERT INTO t1(x) VALUES('varint32-01234567890123456789012345678901234567890123456789'); |
| INSERT INTO t1(x) VALUES('varint32-01234567890123456789012345678901234567890123456789'); |
| } |
| file size test.db |
| } [expr {1024*2}] |
| |
| # Verify that the file format is as we expect. The page size |
| # should be 1024 bytes. |
| # |
| do_test corrupt6-1.2 { |
| hexio_get_int [hexio_read test.db 16 2] |
| } 1024 ;# The page size is 1024 |
| do_test corrupt6-1.3 { |
| hexio_get_int [hexio_read test.db 20 1] |
| } 0 ;# Unused bytes per page is 0 |
| |
| integrity_check corrupt6-1.4 |
| |
| # Verify SerialTypeLen for first field of two records as we expect. |
| # SerialTypeLen = (len*2+12) = 60*2+12 = 132 |
| do_test corrupt6-1.5.1 { |
| hexio_read test.db 1923 2 |
| } 8103 ;# First text field size is 81 03 == 131 |
| do_test corrupt6-1.5.2 { |
| hexio_read test.db 1987 2 |
| } 8103 ;# Second text field size is 81 03 == 131 |
| |
| # Verify simple query results as expected. |
| do_test corrupt6-1.6 { |
| db close |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 0 {varint32 varint32} ] |
| integrity_check corrupt6-1.7 |
| |
| # Adjust value of record 1 / field 1 SerialTypeLen and see if the |
| # corruption is detected. |
| # Increase SerialTypeLen by 2. |
| do_test corrupt6-1.8.1 { |
| db close |
| hexio_write test.db 1923 8105 |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 1 {database disk image is malformed}] |
| |
| # Adjust value of record 1 / field 1 SerialTypeLen and see if the |
| # corruption is detected. |
| # Decrease SerialTypeLen by 2. |
| do_test corrupt6-1.8.2 { |
| db close |
| hexio_write test.db 1923 8101 |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 1 {database disk image is malformed}] |
| |
| # Put value of record 1 / field 1 SerialTypeLen back. |
| do_test corrupt6-1.8.3 { |
| db close |
| hexio_write test.db 1923 8103 |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 0 {varint32 varint32} ] |
| integrity_check corrupt6-1.8.4 |
| |
| # Adjust value of record 2 / field 1 SerialTypeLen and see if the |
| # corruption is detected. |
| # Increase SerialTypeLen by 2. |
| do_test corrupt6-1.9.1 { |
| db close |
| hexio_write test.db 1987 8105 |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 1 {database disk image is malformed}] |
| |
| # Adjust value of record 2 / field 2 SerialTypeLen and see if the |
| # corruption is detected. |
| # Decrease SerialTypeLen by 2. |
| do_test corrupt6-1.9.2 { |
| db close |
| hexio_write test.db 1987 8101 |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 1 {database disk image is malformed}] |
| |
| # Put value of record 1 / field 2 SerialTypeLen back. |
| do_test corrupt6-1.9.3 { |
| db close |
| hexio_write test.db 1987 8103 |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 0 {varint32 varint32} ] |
| integrity_check corrupt6-1.9.4 |
| |
| # Adjust value of record 1 / field 1 SerialTypeLen and see if the |
| # corruption is detected. |
| # Set SerialTypeLen to FF 7F (2 bytes) |
| do_test corrupt6-1.10.1 { |
| db close |
| hexio_write test.db 1923 FF7F |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 1 {database disk image is malformed}] |
| |
| # Adjust value of record 1 / field 1 SerialTypeLen and see if the |
| # corruption is detected. |
| # Set SerialTypeLen to FF FF 7F (3 bytes) |
| do_test corrupt6-1.10.2 { |
| db close |
| hexio_write test.db 1923 FFFF7F |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 1 {database disk image is malformed}] |
| |
| # Adjust value of record 1 / field 1 SerialTypeLen and see if the |
| # corruption is detected. |
| # Set SerialTypeLen to FF FF FF 7F (4 bytes) |
| do_test corrupt6-1.10.3 { |
| db close |
| hexio_write test.db 1923 FFFFFF7F |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 1 {database disk image is malformed}] |
| |
| # Adjust value of record 1 / field 1 SerialTypeLen and see if the |
| # corruption is detected. |
| # Set SerialTypeLen to FF FF FF FF 7F (5 bytes) |
| do_test corrupt6-1.10.4 { |
| db close |
| hexio_write test.db 1923 FFFFFFFF7F |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 1 {database disk image is malformed}] |
| |
| # Adjust value of record 1 / field 1 SerialTypeLen and see if the |
| # corruption is detected. |
| # Set SerialTypeLen to FF FF FF FF FF 7F (6 bytes, and overflows). |
| do_test corrupt6-1.10.5 { |
| db close |
| hexio_write test.db 1923 FFFFFFFFFF7F |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 1 {database disk image is malformed}] |
| |
| # Adjust value of record 1 / field 1 SerialTypeLen and see if the |
| # corruption is detected. |
| # Set SerialTypeLen to FF FF FF FF FF FF 7F (7 bytes, and overflows). |
| do_test corrupt6-1.10.6 { |
| db close |
| hexio_write test.db 1923 FFFFFFFFFFFF7F |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 1 {database disk image is malformed}] |
| |
| # Adjust value of record 1 / field 1 SerialTypeLen and see if the |
| # corruption is detected. |
| # Set SerialTypeLen to FF FF FF FF FF FF FF 7F (8 bytes, and overflows). |
| do_test corrupt6-1.10.7 { |
| db close |
| hexio_write test.db 1923 FFFFFFFFFFFFFF7F |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 1 {database disk image is malformed}] |
| |
| # Adjust value of record 1 / field 1 SerialTypeLen and see if the |
| # corruption is detected. |
| # Set SerialTypeLen to FF FF FF FF FF FF FF FF 7F (9 bytes, and overflows). |
| do_test corrupt6-1.10.8 { |
| db close |
| hexio_write test.db 1923 FFFFFFFFFFFFFFFF7F |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 1 {database disk image is malformed}] |
| |
| # Adjust value of record 1 / field 1 SerialTypeLen and see if the |
| # corruption is detected. |
| # Set SerialTypeLen to FFFF FF FF FF FF FF FF FF 7F (10 bytes, and overflows). |
| do_test corrupt6-1.10.9 { |
| db close |
| hexio_write test.db 1923 FFFFFFFFFFFFFFFFFF7F |
| sqlite3 db test.db |
| catchsql { |
| SELECT substr(x,1,8) FROM t1 |
| } |
| } [list 1 {database disk image is malformed}] |
| |
| finish_test |