xref: /sqlite-3.40.0/test/sync.test (revision 74e4352a) 
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 1.5 2006/02/11 01:25:51 drh 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  return
28}
29ifcapable !pager_pragmas {
30  finish_test
31  return
32}
33
34do_test sync-1.1 {
35  set sqlite_sync_count 0
36  file delete -force test2.db
37  file delete -force test2.db-journal
38  execsql {
39    PRAGMA fullfsync=OFF;
40    CREATE TABLE t1(a,b);
41    ATTACH DATABASE 'test2.db' AS db2;
42    CREATE TABLE db2.t2(x,y);
43  }
44  ifcapable !dirsync {
45    incr sqlite_sync_count 2
46  }
47  set sqlite_sync_count
48} 8
49ifcapable pager_pragmas {
50  do_test sync-1.2 {
51    set sqlite_sync_count 0
52    execsql {
53      PRAGMA main.synchronous=on;
54      PRAGMA db2.synchronous=on;
55      BEGIN;
56      INSERT INTO t1 VALUES(1,2);
57      INSERT INTO t2 VALUES(3,4);
58      COMMIT;
59    }
60    ifcapable !dirsync {
61      incr sqlite_sync_count 3
62    }
63    set sqlite_sync_count
64  } 8
65}
66do_test sync-1.3 {
67  set sqlite_sync_count 0
68  execsql {
69    PRAGMA main.synchronous=full;
70    PRAGMA db2.synchronous=full;
71    BEGIN;
72    INSERT INTO t1 VALUES(3,4);
73    INSERT INTO t2 VALUES(5,6);
74    COMMIT;
75  }
76  ifcapable !dirsync {
77    incr sqlite_sync_count 3
78  }
79  set sqlite_sync_count
80} 10
81ifcapable pager_pragmas {
82  do_test sync-1.4 {
83    set sqlite_sync_count 0
84    execsql {
85      PRAGMA main.synchronous=off;
86      PRAGMA db2.synchronous=off;
87      BEGIN;
88      INSERT INTO t1 VALUES(5,6);
89      INSERT INTO t2 VALUES(7,8);
90      COMMIT;
91    }
92    set sqlite_sync_count
93  } 0
94}
95
96
97finish_test
98