wasCSharpSQLite – Blame information for rev 1

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1 office 1 # 2010 April 19
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. The
12 # focus of this file is testing the operation of the library in
13 # "PRAGMA journal_mode=WAL" mode.
14 #
15 # More specifically, this file contains regression tests for the
16 # sqlite3_wal_hook() mechanism, including the sqlite3_wal_autocheckpoint()
17 # and "PRAGMA wal_autocheckpoint" convenience interfaces.
18 #
19  
20 set testdir [file dirname $argv0]
21 source $testdir/tester.tcl
22 source $testdir/wal_common.tcl
23  
24 ifcapable !wal {finish_test ; return }
25  
26 set ::wal_hook [list]
27 proc wal_hook {zDb nEntry} {
28 lappend ::wal_hook $zDb $nEntry
29 return 0
30 }
31 db wal_hook wal_hook
32  
33 do_test walhook-1.1 {
34 execsql {
35 PRAGMA page_size = 1024;
36 PRAGMA auto_vacuum = 0;
37 PRAGMA journal_mode = wal;
38 PRAGMA synchronous = normal;
39 CREATE TABLE t1(i PRIMARY KEY, j);
40 }
41 set ::wal_hook
42 } {main 3}
43  
44 do_test walhook-1.2 {
45 set ::wal_hook [list]
46 execsql { INSERT INTO t1 VALUES(1, 'one') }
47 set ::wal_hook
48 } {main 5}
49 do_test walhook-1.3 {
50 proc wal_hook {args} { db eval {PRAGMA wal_checkpoint}; return 0 }
51 execsql { INSERT INTO t1 VALUES(2, 'two') }
52 file size test.db
53 } [expr 3*1024]
54 do_test walhook-1.4 {
55 proc wal_hook {zDb nEntry} {
56 execsql { PRAGMA wal_checkpoint }
57 return 0
58 }
59 execsql { CREATE TABLE t2(a, b) }
60 file size test.db
61 } [expr 4*1024]
62  
63 do_test walhook-1.5 {
64 sqlite3 db2 test.db
65 proc wal_hook {zDb nEntry} {
66 execsql { PRAGMA wal_checkpoint } db2
67 return 0
68 }
69 execsql { CREATE TABLE t3(a PRIMARY KEY, b) }
70 file size test.db
71 } [expr 6*1024]
72  
73 db2 close
74 db close
75 sqlite3 db test.db
76 do_test walhook-2.1 {
77 execsql { PRAGMA synchronous = NORMAL }
78 execsql { PRAGMA wal_autocheckpoint }
79 } {1000}
80 do_test walhook-2.2 {
81 execsql { PRAGMA wal_autocheckpoint = 10}
82 } {10}
83 do_test walhook-2.3 {
84 execsql { PRAGMA wal_autocheckpoint }
85 } {10}
86  
87 #
88 # The database connection is configured with "PRAGMA wal_autocheckpoint = 10".
89 # Check that transactions are written to the log file until it contains at
90 # least 10 frames, then the database is checkpointed. Subsequent transactions
91 # are written into the start of the log file.
92 #
93 foreach {tn sql dbpages logpages} {
94 4 "CREATE TABLE t4(x PRIMARY KEY, y)" 6 3
95 5 "INSERT INTO t4 VALUES(1, 'one')" 6 5
96 6 "INSERT INTO t4 VALUES(2, 'two')" 6 7
97 7 "INSERT INTO t4 VALUES(3, 'three')" 6 9
98 8 "INSERT INTO t4 VALUES(4, 'four')" 8 11
99 9 "INSERT INTO t4 VALUES(5, 'five')" 8 11
100 } {
101 do_test walhook-2.$tn {
102 execsql $sql
103 list [file size test.db] [file size test.db-wal]
104 } [list [expr $dbpages*1024] [wal_file_size $logpages 1024]]
105 }
106  
107 catch { db2 close }
108 catch { db close }
109 finish_test