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Issue 2363173002: [sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
Patch Set: Created 4 years, 2 months ago
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1 # 2008 June 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 cell offsets in a btree page.
16 #
17 # $Id: corrupt7.test,v 1.8 2009/08/10 10:18:08 danielk1977 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 # We must have the page_size pragma for these tests to work.
32 #
33 ifcapable !pager_pragmas {
34 finish_test
35 return
36 }
37
38 # Create a simple, small database.
39 #
40 do_test corrupt7-1.1 {
41 execsql {
42 PRAGMA auto_vacuum=OFF;
43 PRAGMA page_size=1024;
44 CREATE TABLE t1(x);
45 INSERT INTO t1(x) VALUES(1);
46 INSERT INTO t1(x) VALUES(2);
47 INSERT INTO t1(x) SELECT x+2 FROM t1;
48 INSERT INTO t1(x) SELECT x+4 FROM t1;
49 INSERT INTO t1(x) SELECT x+8 FROM t1;
50 }
51 file size test.db
52 } [expr {1024*2}]
53
54 # Verify that the file format is as we expect. The page size
55 # should be 1024 bytes.
56 #
57 do_test corrupt7-1.2 {
58 hexio_get_int [hexio_read test.db 16 2]
59 } 1024 ;# The page size is 1024
60 do_test corrupt7-1.3 {
61 hexio_get_int [hexio_read test.db 20 1]
62 } 0 ;# Unused bytes per page is 0
63
64 integrity_check corrupt7-1.4
65
66 # Deliberately corrupt some of the cell offsets in the btree page
67 # on page 2 of the database.
68 #
69 # The error message is different depending on whether or not the
70 # SQLITE_ENABLE_OVERSIZE_CELL_CHECK compile-time option is engaged.
71 #
72 ifcapable oversize_cell_check {
73 do_test corrupt7-2.1 {
74 db close
75 hexio_write test.db 1062 FF
76 sqlite3 db test.db
77 db eval {PRAGMA integrity_check(1)}
78 } {{*** in database main ***
79 Page 2: btreeInitPage() returns error code 11}}
80 do_test corrupt7-2.2 {
81 db close
82 hexio_write test.db 1062 04
83 sqlite3 db test.db
84 db eval {PRAGMA integrity_check(1)}
85 } {{*** in database main ***
86 Page 2: btreeInitPage() returns error code 11}}
87 } else {
88 do_test corrupt7-2.1 {
89 db close
90 hexio_write test.db 1062 FF
91 sqlite3 db test.db
92 db eval {PRAGMA integrity_check(1)}
93 } {{*** in database main ***
94 Corruption detected in cell 15 on page 2}}
95 do_test corrupt7-2.2 {
96 db close
97 hexio_write test.db 1062 04
98 sqlite3 db test.db
99 db eval {PRAGMA integrity_check(1)}
100 } {{*** in database main ***
101 On tree page 2 cell 15: Rowid 0 out of order (previous was 15)}}
102 }
103
104 # The code path that was causing the buffer overrun that this test
105 # case was checking for was removed.
106 #
107 #do_test corrupt7-3.1 {
108 # execsql {
109 # DROP TABLE t1;
110 # CREATE TABLE t1(a, b);
111 # INSERT INTO t1 VALUES(1, 'one');
112 # INSERT INTO t1 VALUES(100, 'one hundred');
113 # INSERT INTO t1 VALUES(100000, 'one hundred thousand');
114 # CREATE INDEX i1 ON t1(b);
115 # }
116 # db close
117 #
118 # # Locate the 3rd cell in the index.
119 # set cell_offset [hexio_get_int [hexio_read test.db [expr 1024*2 + 12] 2]]
120 # incr cell_offset [expr 1024*2]
121 # incr cell_offset 1
122 #
123 # # This write corrupts the "header-size" field of the database record
124 # # stored in the index cell. At one point this was causing sqlite to
125 # # reference invalid memory.
126 # hexio_write test.db $cell_offset FFFF7F
127 #
128 # sqlite3 db test.db
129 # catchsql {
130 # SELECT b FROM t1 WHERE b > 'o' AND b < 'p';
131 # }
132 #} {1 {database disk image is malformed}}
133
134 finish_test
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