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.
18 set testdir [file dirname $argv0]
19 source $testdir/tester.tcl
21 # This module uses hard-coded offsets which do not work if the reserved_bytes
23 if {[nonzero_reserved_bytes]} {finish_test; return;}
25 # These tests deal with corrupt database files
27 database_may_be_corrupt
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 ORDER BY rowid;
59 ifcapable {integrityck} {
60 integrity_check corruptE-1.2
63 # Setup for the tests. Make a backup copy of the good database in test.bu.
66 forcecopy test.db test.bu
68 set fsize [file size test.db]
71 do_test corruptE-2.1 {
73 forcecopy test.bu test.db
75 # insert corrupt byte(s)
76 hexio_write test.db 2041 [format %02x 0x2e]
80 catchsql {PRAGMA integrity_check}
83 do_test corruptE-2.2 {
85 forcecopy test.bu test.db
87 # insert corrupt byte(s)
88 hexio_write test.db 2047 [format %02x 0x84]
92 catchsql {PRAGMA integrity_check}
93 } {/ Extends off end of page/}
95 do_test corruptE-2.3 {
97 forcecopy test.bu test.db
99 # insert corrupt byte(s)
100 hexio_write test.db 7420 [format %02x 0xa8]
101 hexio_write test.db 10459 [format %02x 0x8d]
105 catchsql {PRAGMA integrity_check}
108 do_test corruptE-2.4 {
110 forcecopy test.bu test.db
112 # insert corrupt byte(s)
113 hexio_write test.db 10233 [format %02x 0xd0]
117 catchsql {PRAGMA integrity_check}
121 set tests [list {10233 0xd0} \
137 foreach test $tests {
138 do_test corruptE-3.$tc {
140 forcecopy test.bu test.db
142 # insert corrupt byte(s)
143 hexio_write test.db [lindex $test 0] [format %02x [lindex $test 1]]
147 catchsql {PRAGMA integrity_check}