# 2007 May 04 # # 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 incremental vacuum feature. # # $Id: incrvacuum2.test,v 1.2 2007/05/04 18:30:41 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # If this build of the library does not support auto-vacuum, omit this # whole file. ifcapable {!autovacuum || !pragma} { finish_test return } # Create a database in incremental vacuum mode that has many # pages on the freelist. # do_test incrvacuum2-1.1 { execsql { PRAGMA page_size=1024; PRAGMA auto_vacuum=incremental; CREATE TABLE t1(x); INSERT INTO t1 VALUES(zeroblob(30000)); DELETE FROM t1; } file size test.db } {32768} # Vacuum off a single page. # do_test incrvacuum2-1.2 { execsql { PRAGMA incremental_vacuum(1); } file size test.db } {31744} # Vacuum off five pages # do_test incrvacuum2-1.3 { execsql { PRAGMA incremental_vacuum(5); } file size test.db } {26624} # Vacuum off all the rest # do_test incrvacuum2-1.4 { execsql { PRAGMA incremental_vacuum(1000); } file size test.db } {3072} # Make sure incremental vacuum works on attached databases. # do_test incrvacuum2-2.1 { file delete -force test2.db test2.db-journal execsql { ATTACH DATABASE 'test2.db' AS aux; PRAGMA aux.auto_vacuum=incremental; CREATE TABLE aux.t2(x); INSERT INTO t2 VALUES(zeroblob(30000)); INSERT INTO t1 SELECT * FROM t2; DELETE FROM t2; DELETE FROM t1; } list [file size test.db] [file size test2.db] } {32768 32768} do_test incrvacuum2-2.2 { execsql { PRAGMA aux.incremental_vacuum(1) } list [file size test.db] [file size test2.db] } {32768 31744} do_test incrvacuum2-2.3 { execsql { PRAGMA aux.incremental_vacuum(5) } list [file size test.db] [file size test2.db] } {32768 26624} do_test incrvacuum2-2.4 { execsql { PRAGMA main.incremental_vacuum(5) } list [file size test.db] [file size test2.db] } {27648 26624} do_test incrvacuum2-2.5 { execsql { PRAGMA aux.incremental_vacuum } list [file size test.db] [file size test2.db] } {27648 3072} do_test incrvacuum2-2.6 { execsql { PRAGMA incremental_vacuum(1) } list [file size test.db] [file size test2.db] } {26624 3072} finish_test