3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library.
13 # This file implements tests to make sure SQLite does not crash or
14 # segfault if it sees a corrupt database file. It specifcally
15 # focuses on rowid order corruption.
17 # $Id: corruptE.test,v 1.14 2009/07/11 06:55:34 danielk1977 Exp $
19 catch {file delete -force test.db test.db-journal test.bu}
21 set testdir [file dirname $argv0]
22 source $testdir/tester.tcl
24 # Do not use a codec for tests in this file, as the database file is
25 # manipulated directly using tcl scripts (using the [hexio_write] command).
29 # Do not run the tests in this file if ENABLE_OVERSIZE_CELL_CHECK is on.
31 ifcapable oversize_cell_check {
36 # Construct a compact, dense database for testing.
38 do_test corruptE-1.1 {
40 PRAGMA auto_vacuum = 0;
41 PRAGMA legacy_file_format=1;
44 INSERT INTO t1 VALUES(1,1);
45 INSERT OR IGNORE INTO t1 SELECT x*2,y FROM t1;
46 INSERT OR IGNORE INTO t1 SELECT x*3,y FROM t1;
47 INSERT OR IGNORE INTO t1 SELECT x*5,y FROM t1;
48 INSERT OR IGNORE INTO t1 SELECT x*7,y FROM t1;
49 INSERT OR IGNORE INTO t1 SELECT x*11,y FROM t1;
50 INSERT OR IGNORE INTO t1 SELECT x*13,y FROM t1;
51 INSERT OR IGNORE INTO t1 SELECT x*17,y FROM t1;
52 INSERT OR IGNORE INTO t1 SELECT x*19,y FROM t1;
53 CREATE INDEX t1i1 ON t1(x);
54 CREATE TABLE t2 AS SELECT x,2 as y FROM t1 WHERE rowid%5!=0;
59 ifcapable {integrityck} {
60 integrity_check corruptE-1.2
63 # Copy file $from into $to
65 proc copy_file {from to} {
66 file copy -force $from $to
69 # Setup for the tests. Make a backup copy of the good database in test.bu.
72 copy_file test.db test.bu
74 set fsize [file size test.db]
77 do_test corruptE-2.1 {
79 copy_file test.bu test.db
81 # insert corrupt byte(s)
82 hexio_write test.db 2041 [format %02x 0x2e]
86 set res [ catchsql {PRAGMA integrity_check} ]
87 set ans [lindex $res 1]
89 list [regexp {out of order.*previous was} $ans] \
90 [regexp {out of order.*max larger than parent max} $ans]
93 do_test corruptE-2.2 {
95 copy_file test.bu test.db
97 # insert corrupt byte(s)
98 hexio_write test.db 2047 [format %02x 0x84]
102 set res [ catchsql {PRAGMA integrity_check} ]
103 set ans [lindex $res 1]
105 list [regexp {out of order.*previous was} $ans] \
106 [regexp {out of order.*min less than parent min} $ans]
109 do_test corruptE-2.3 {
111 copy_file test.bu test.db
113 # insert corrupt byte(s)
114 hexio_write test.db 7420 [format %02x 0xa8]
115 hexio_write test.db 10459 [format %02x 0x8d]
119 set res [ catchsql {PRAGMA integrity_check} ]
120 set ans [lindex $res 1]
122 list [regexp {out of order.*max larger than parent min} $ans]
125 do_test corruptE-2.4 {
127 copy_file test.bu test.db
129 # insert corrupt byte(s)
130 hexio_write test.db 10233 [format %02x 0xd0]
134 set res [ catchsql {PRAGMA integrity_check} ]
135 set ans [lindex $res 1]
137 list [regexp {out of order.*min less than parent max} $ans]
141 set tests [list {10233 0xd0} \
165 foreach test $tests {
166 do_test corruptE-3.$tc {
168 copy_file test.bu test.db
170 # insert corrupt byte(s)
171 hexio_write test.db [lindex $test 0] [format %02x [lindex $test 1]]
175 set res [ catchsql {PRAGMA integrity_check} ]
176 set ans [lindex $res 1]
178 list [regexp {out of order} $ans]