xref: /sqlite-3.40.0/test/corrupt5.test (revision 6ab91a7a) 
1# 2008 Jan 22
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.  Checks for
15# malformed schema.
16#
17# $Id: corrupt5.test,v 1.3 2009/06/04 02:47:04 shane Exp $
18
19set testdir [file dirname $argv0]
20source $testdir/tester.tcl
21
22# These tests deal with corrupt database files
23#
24database_may_be_corrupt
25
26# We must have the page_size pragma for these tests to work.
27#
28ifcapable !pager_pragmas {
29  finish_test
30  return
31}
32
33# Create a database with a freelist containing at least two pages.
34#
35do_test corrupt5-1.1 {
36  sqlite3_db_config db DEFENSIVE 0
37  execsql {
38    CREATE TABLE t1(a,b,c);
39    CREATE INDEX i1 ON t1(a,b);
40    PRAGMA writable_schema=ON;
41    UPDATE sqlite_master SET name=NULL, sql=NULL WHERE name='i1';
42  }
43  db close
44  sqlite3 db test.db
45  catchsql {
46    SELECT * FROM t1
47  }
48} {1 {malformed database schema (?)}}
49
50finish_test
51