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1 # 2008 July 11 | |
2 # | |
3 # The author disclaims copyright to this source code. In place of | |
4 # a legal notice, here is a blessing: | |
5 # | |
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. | |
9 # | |
10 #*********************************************************************** | |
11 # This file implements regression tests for SQLite library. | |
12 # | |
13 # This file implements tests to make sure SQLite does not crash or | |
14 # segfault if it sees a corrupt database file. It specifically focuses | |
15 # on corrupt database headers. | |
16 # | |
17 # $Id: corruptA.test,v 1.1 2008/07/11 16:39:23 drh Exp $ | |
18 | |
19 set testdir [file dirname $argv0] | |
20 source $testdir/tester.tcl | |
21 | |
22 # Do not use a codec for tests in this file, as the database file is | |
23 # manipulated directly using tcl scripts (using the [hexio_write] command). | |
24 # | |
25 do_not_use_codec | |
26 | |
27 # These tests deal with corrupt database files | |
28 # | |
29 database_may_be_corrupt | |
30 | |
31 | |
32 # Create a database to work with. | |
33 # | |
34 do_test corruptA-1.1 { | |
35 execsql { | |
36 CREATE TABLE t1(x); | |
37 INSERT INTO t1(x) VALUES(1); | |
38 } | |
39 expr {[file size test.db]>=1024} | |
40 } {1} | |
41 integrity_check corruptA-1.2 | |
42 | |
43 # Corrupt the file header in various ways and make sure the corruption | |
44 # is detected when opening the database file. | |
45 # | |
46 db close | |
47 forcecopy test.db test.db-template | |
48 | |
49 set unreadable_version 02 | |
50 ifcapable wal { set unreadable_version 03 } | |
51 do_test corruptA-2.1 { | |
52 forcecopy test.db-template test.db | |
53 hexio_write test.db 19 $unreadable_version ;# the read format number | |
54 sqlite3 db test.db | |
55 catchsql {SELECT * FROM t1} | |
56 } {1 {file is encrypted or is not a database}} | |
57 | |
58 do_test corruptA-2.2 { | |
59 db close | |
60 forcecopy test.db-template test.db | |
61 hexio_write test.db 21 41 ;# max embedded payload fraction | |
62 sqlite3 db test.db | |
63 catchsql {SELECT * FROM t1} | |
64 } {1 {file is encrypted or is not a database}} | |
65 | |
66 do_test corruptA-2.3 { | |
67 db close | |
68 forcecopy test.db-template test.db | |
69 hexio_write test.db 22 1f ;# min embedded payload fraction | |
70 sqlite3 db test.db | |
71 catchsql {SELECT * FROM t1} | |
72 } {1 {file is encrypted or is not a database}} | |
73 | |
74 do_test corruptA-2.4 { | |
75 db close | |
76 forcecopy test.db-template test.db | |
77 hexio_write test.db 23 21 ;# min leaf payload fraction | |
78 sqlite3 db test.db | |
79 catchsql {SELECT * FROM t1} | |
80 } {1 {file is encrypted or is not a database}} | |
81 | |
82 | |
83 finish_test | |
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