xref: /sqlite-3.40.0/test/sync.test (revision d7c03f74) 
1# 2005 August 28
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 verify that fsync is disabled when
14# pragma synchronous=off even for multi-database commits.
15#
16# $Id: sync.test,v 1.2 2005/11/25 10:38:22 danielk1977 Exp $
17
18set testdir [file dirname $argv0]
19source $testdir/tester.tcl
20
21#
22# These tests are only applicable on unix when pager pragma are
23# enabled.
24#
25if {$::tcl_platform(platform)!="unix"} {
26  finish_test
27}
28ifcapable !pager_pragmas {
29  finish_test
30}
31
32do_test sync-1.1 {
33  set sqlite_sync_count 0
34  file delete -force test2.db
35  file delete -force test2.db-journal
36  execsql {
37    CREATE TABLE t1(a,b);
38    ATTACH DATABASE 'test2.db' AS db2;
39    CREATE TABLE db2.t2(x,y);
40  }
41  ifcapable !dirsync {
42    incr sqlite_sync_count 2
43  }
44  set sqlite_sync_count
45} 8
46do_test sync-1.2 {
47  set sqlite_sync_count 0
48  execsql {
49    PRAGMA main.synchronous=on;
50    PRAGMA db2.synchronous=on;
51    BEGIN;
52    INSERT INTO t1 VALUES(1,2);
53    INSERT INTO t2 VALUES(3,4);
54    COMMIT;
55  }
56  ifcapable !dirsync {
57    incr sqlite_sync_count 3
58  }
59  set sqlite_sync_count
60} 8
61do_test sync-1.3 {
62  set sqlite_sync_count 0
63  execsql {
64    PRAGMA main.synchronous=full;
65    PRAGMA db2.synchronous=full;
66    BEGIN;
67    INSERT INTO t1 VALUES(3,4);
68    INSERT INTO t2 VALUES(5,6);
69    COMMIT;
70  }
71  ifcapable !dirsync {
72    incr sqlite_sync_count 3
73  }
74  set sqlite_sync_count
75} 10
76do_test sync-1.4 {
77  set sqlite_sync_count 0
78  execsql {
79    PRAGMA main.synchronous=off;
80    PRAGMA db2.synchronous=off;
81    BEGIN;
82    INSERT INTO t1 VALUES(5,6);
83    INSERT INTO t2 VALUES(7,8);
84    COMMIT;
85  }
86  set sqlite_sync_count
87} 0
88
89
90finish_test
91