# 2004 August 30
#
# 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.
#
# $Id: corrupt.test,v 1.1 2004/08/30 16:52:19 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Construct a large database for testing.
#
do_test corrupt-1.1 {
execsql {
BEGIN;
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(randstr(10,100));
INSERT INTO t1 VALUES(randstr(10,100));
INSERT INTO t1 VALUES(randstr(10,100));
INSERT INTO t1 SELECT x || randstr(5,10) FROM t1;
INSERT INTO t1 SELECT x || randstr(5,10) FROM t1;
INSERT INTO t1 SELECT x || randstr(5,10) FROM t1;
INSERT INTO t1 SELECT x || randstr(5,10) FROM t1;
INSERT INTO t1 VALUES(randstr(2100,3000));
INSERT INTO t1 SELECT x || randstr(5,10) FROM t1;
INSERT INTO t1 SELECT x || randstr(5,10) FROM t1;
INSERT INTO t1 SELECT x || randstr(5,10) FROM t1;
INSERT INTO t1 SELECT x || randstr(5,10) FROM t1;
CREATE INDEX t1i1 ON t1(x);
CREATE TABLE t2 AS SELECT * FROM t1;
DELETE FROM t2 WHERE rowid%5!=0;
COMMIT;
PRAGMA integrity_check;
}
} {ok}
# Copy a file
#
proc copy_file {from to} {
set f [open $from]
fconfigure $f -translation binary
set t [open $to w]
fconfigure $t -translation binary
puts -nonewline $t [read $f [file size $from]]
close $t
close $f
}
# Setup for the tests.
copy_file test.db test.bu
set fsize [file size test.db]
set junk "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
while {[string length $junk]<256} {append junk $junk}
set junk [string range $junk 0 255]
for {set i [expr {1*256}]} {$i<$fsize-256} {incr i 256} {
set tn [expr {$i/256}]
db close
copy_file test.bu test.db
set fd [open test.db r+]
fconfigure $fd -translation binary
seek $fd $i
puts -nonewline $fd $junk
close $fd
sqlite3 db test.db
do_test corrupt-2.$tn.1 {
sqlite3 db test.db
catchsql {SELECT count(*) FROM sqlite_master}
set x {}
} {}
do_test corrupt-2.$tn.2 {
catchsql {SELECT count(*) FROM t1}
set x {}
} {}
do_test corrupt-2.$tn.3 {
catchsql {SELECT count(*) FROM t1 WHERE x>'abcdef'}
set x {}
} {}
do_test corrupt-2.$tn.4 {
catchsql {SELECT count(*) FROM t2}
set x {}
} {}
do_test corrupt-2.$tn.5 {
catchsql {CREATE TABLE t3 AS SELECT * FROM t1}
set x {}
} {}
do_test corrupt-2.$tn.6 {
catchsql {DROP TABLE t1}
set x {}
} {}
if {$tn==724} btree_breakpoint
do_test corrupt-2.$tn.7 {
catchsql {PRAGMA integrity_check}
set x {}
} {}
}
finish_test