# 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