xref: /sqlite-3.40.0/test/fts3corrupt3.test (revision 0f0d3ddf) 
1# 2010 October 27
2#
3#    May you do good and not evil.
4#    May you find forgiveness for yourself and forgive others.
5#    May you share freely, never taking more than you give.
6#
7#***********************************************************************
8# Test that the FTS3 extension does not crash when it encounters a
9# corrupt data structure on disk.
10#
11
12
13set testdir [file dirname $argv0]
14source $testdir/tester.tcl
15
16# If SQLITE_ENABLE_FTS3 is not defined, omit this file.
17ifcapable !fts3 { finish_test ; return }
18
19set ::testprefix fts3corrupt3
20
21#-------------------------------------------------------------------------
22# Test that fts3 does not choke on an oversized varint.
23#
24do_execsql_test 1.0 {
25  PRAGMA page_size = 512;
26  CREATE VIRTUAL TABLE t1 USING fts3;
27  BEGIN;
28    INSERT INTO t1 VALUES('one');
29    INSERT INTO t1 VALUES('one');
30    INSERT INTO t1 VALUES('one');
31  COMMIT;
32}
33do_execsql_test 1.1 {
34  SELECT quote(root) from t1_segdir;
35} {X'00036F6E6509010200010200010200'}
36sqlite3_db_config db DEFENSIVE 0
37do_execsql_test 1.2 {
38  UPDATE t1_segdir SET root = X'00036F6E650EFFFFFFFFFFFFFFFFFFFFFFFF0200';
39}
40do_catchsql_test 1.3 {
41  SELECT rowid FROM t1 WHERE t1 MATCH 'one'
42} {0 -1}
43
44#-------------------------------------------------------------------------
45# Interior node with the prefix or suffix count of an entry set to a
46# negative value.
47#
48set doc1 [string repeat "x " 600]
49set doc2 [string repeat "y " 600]
50set doc3 [string repeat "z " 600]
51
52do_execsql_test 2.0 {
53  CREATE VIRTUAL TABLE t2 USING fts3;
54  BEGIN;
55    INSERT INTO t2 VALUES($doc1);
56    INSERT INTO t2 VALUES($doc2);
57    INSERT INTO t2 VALUES($doc3);
58  COMMIT;
59}
60do_execsql_test 2.1 {
61  SELECT quote(root) from t2_segdir;
62} {X'0101017900017A'}
63
64
65
66finish_test
67