xref: /sqlite-3.40.0/test/sync.test (revision d5578433) 
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 1.6 2007/10/09 08:29:33 danielk1977 Exp $
17
18set testdir [file dirname $argv0]
19source $testdir/tester.tcl
20
21#
22# These tests are only applicable when pager pragma are
23# enabled. Also, since every test uses an ATTACHed database, they
24# are only run when ATTACH is enabled.
25#
26ifcapable !pager_pragmas||!attach {
27  finish_test
28  return
29}
30
31set sqlite_sync_count 0
32proc cond_incr_sync_count {adj} {
33  global sqlite_sync_count
34  if {$::tcl_platform(platform) == "windows"} {
35    incr sqlite_sync_count $adj
36  } {
37    ifcapable !dirsync {
38      incr sqlite_sync_count $adj
39    }
40  }
41}
42
43do_test sync-1.1 {
44  set sqlite_sync_count 0
45  forcedelete test2.db
46  forcedelete test2.db-journal
47  execsql {
48    PRAGMA fullfsync=OFF;
49    CREATE TABLE t1(a,b);
50    ATTACH DATABASE 'test2.db' AS db2;
51    CREATE TABLE db2.t2(x,y);
52  }
53  cond_incr_sync_count 2
54  set sqlite_sync_count
55} 8
56ifcapable pager_pragmas {
57  do_test sync-1.2 {
58    set sqlite_sync_count 0
59    execsql {
60      PRAGMA main.synchronous=on;
61      PRAGMA db2.synchronous=on;
62      BEGIN;
63      INSERT INTO t1 VALUES(1,2);
64      INSERT INTO t2 VALUES(3,4);
65      COMMIT;
66    }
67    cond_incr_sync_count 3
68    set sqlite_sync_count
69  } 8
70}
71do_test sync-1.3 {
72  set sqlite_sync_count 0
73  execsql {
74    PRAGMA main.synchronous=full;
75    PRAGMA db2.synchronous=full;
76    BEGIN;
77    INSERT INTO t1 VALUES(3,4);
78    INSERT INTO t2 VALUES(5,6);
79    COMMIT;
80  }
81  cond_incr_sync_count 3
82  set sqlite_sync_count
83} 10
84ifcapable pager_pragmas {
85  do_test sync-1.4 {
86    set sqlite_sync_count 0
87    execsql {
88      PRAGMA main.synchronous=off;
89      PRAGMA db2.synchronous=off;
90      BEGIN;
91      INSERT INTO t1 VALUES(5,6);
92      INSERT INTO t2 VALUES(7,8);
93      COMMIT;
94    }
95    set sqlite_sync_count
96  } 0
97}
98
99
100finish_test
101