xref: /sqlite-3.40.0/test/softheap1.test (revision a3fdec71) 
1# 2007 Aug 10
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#
12# This test script reproduces the problem reported by ticket #2565,
13# A database corruption bug that occurs in auto_vacuum mode when
14# the soft_heap_limit is set low enough to be triggered.
15#
16# $Id: softheap1.test,v 1.5 2008/07/08 17:13:59 danielk1977 Exp $
17
18
19set testdir [file dirname $argv0]
20source $testdir/tester.tcl
21
22ifcapable !integrityck {
23  finish_test
24  return
25}
26
27do_test softheap1-1.0 {
28  execsql {PRAGMA soft_heap_limit}
29} [sqlite3_soft_heap_limit -1]
30do_test softheap1-1.1 {
31  execsql {PRAGMA soft_heap_limit=123456; PRAGMA soft_heap_limit;}
32} {123456 123456}
33do_test softheap1-1.2 {
34  sqlite3_soft_heap_limit -1
35} {123456}
36do_test softheap1-1.3 {
37  execsql {PRAGMA soft_heap_limit(-1); PRAGMA soft_heap_limit;}
38} {123456 123456}
39do_test softheap1-1.4 {
40  execsql {PRAGMA soft_heap_limit(0); PRAGMA soft_heap_limit;}
41} {0 0}
42
43sqlite3_soft_heap_limit 5000
44do_test softheap1-2.0 {
45  execsql {PRAGMA soft_heap_limit}
46} {5000}
47do_test softheap1-2.1 {
48  execsql {
49    PRAGMA auto_vacuum=1;
50    CREATE TABLE t1(x);
51    INSERT INTO t1 VALUES(hex(randomblob(1000)));
52    BEGIN;
53  }
54  execsql {
55    CREATE TABLE t2 AS SELECT * FROM t1;
56  }
57  execsql {
58    ROLLBACK;
59  }
60  execsql {
61    PRAGMA integrity_check;
62  }
63} {ok}
64
65sqlite3_soft_heap_limit $cmdlinearg(soft-heap-limit)
66finish_test
67