# 2010 April 19 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. The # focus of this file is testing the operation of the library in # "PRAGMA journal_mode=WAL" mode. # # More specifically, this file contains regression tests for the # sqlite3_wal_hook() mechanism, including the sqlite3_wal_autocheckpoint() # and "PRAGMA wal_autocheckpoint" convenience interfaces. # set testdir [file dirname $argv0] source $testdir/tester.tcl source $testdir/wal_common.tcl ifcapable !wal {finish_test ; return } if ![wal_is_ok] { finish_test; return } set ::wal_hook [list] proc wal_hook {zDb nEntry} { lappend ::wal_hook $zDb $nEntry return 0 } db wal_hook wal_hook do_test walhook-1.1 { execsql { PRAGMA page_size = 1024; PRAGMA auto_vacuum = 0; PRAGMA journal_mode = wal; PRAGMA synchronous = normal; CREATE TABLE t1(i PRIMARY KEY, j); } set ::wal_hook } {main 3} do_test walhook-1.2 { set ::wal_hook [list] execsql { INSERT INTO t1 VALUES(1, 'one') } set ::wal_hook } {main 5} do_test walhook-1.3 { proc wal_hook {args} { db eval {PRAGMA wal_checkpoint}; return 0 } execsql { INSERT INTO t1 VALUES(2, 'two') } file size test.db } [expr 3*1024] do_test walhook-1.4 { proc wal_hook {zDb nEntry} { execsql { PRAGMA wal_checkpoint } return 0 } execsql { CREATE TABLE t2(a, b) } file size test.db } [expr 4*1024] do_test walhook-1.5 { sqlite3 db2 test.db proc wal_hook {zDb nEntry} { execsql { PRAGMA wal_checkpoint } db2 return 0 } execsql { CREATE TABLE t3(a PRIMARY KEY, b) } file size test.db } [expr 6*1024] db2 close ifcapable enable_persist_wal { file_control_persist_wal db 0 } db close sqlite3 db test.db ifcapable enable_persist_wal { file_control_persist_wal db 0 } do_test walhook-2.1 { execsql { PRAGMA synchronous = NORMAL } execsql { PRAGMA wal_autocheckpoint } } {1000} do_test walhook-2.2 { execsql { PRAGMA wal_autocheckpoint = 10} } {10} do_test walhook-2.3 { execsql { PRAGMA wal_autocheckpoint } } {10} # # The database connection is configured with "PRAGMA wal_autocheckpoint = 10". # Check that transactions are written to the log file until it contains at # least 10 frames, then the database is checkpointed. Subsequent transactions # are written into the start of the log file. # foreach {tn sql dbpages logpages} { 4 "CREATE TABLE t4(x PRIMARY KEY, y)" 6 3 5 "INSERT INTO t4 VALUES(1, 'one')" 6 5 6 "INSERT INTO t4 VALUES(2, 'two')" 6 7 7 "INSERT INTO t4 VALUES(3, 'three')" 6 9 8 "INSERT INTO t4 VALUES(4, 'four')" 8 11 9 "INSERT INTO t4 VALUES(5, 'five')" 8 11 } { do_test walhook-2.$tn { execsql $sql list [file size test.db] [file size test.db-wal] } [list [expr $dbpages*1024] [wal_file_size $logpages 1024]] } catch { db2 close } catch { db close } finish_test