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 110
