AryaWu/sqlite

1# 2008 September 152#3# The author disclaims copyright to this source code.  In place of4# 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#12# This file is focused on testing the pcache module.13#14# $Id: pcache2.test,v 1.5 2009/07/18 14:36:24 danielk1977 Exp $15 16set testdir [file dirname $argv0]17source $testdir/tester.tcl18 19test_set_config_pagecache 0 020 21# Set up a pcache memory pool so that we can easily track how many22# pages are being used for cache.23#24do_test pcache2-1.1 {25  db close26  sqlite3_reset_auto_extension27  sqlite3_shutdown28  sqlite3_config_pagecache 6000 10029  sqlite3_config singlethread30  sqlite3_initialize31  autoinstall_test_functions32  sqlite3_status SQLITE_STATUS_PAGECACHE_USED 133  sqlite3_status SQLITE_STATUS_PAGECACHE_USED 034} {0 0 0}35 36# Open up two database connections to separate files.37#38do_test pcache2-1.2 {39  forcedelete test.db test.db-journal40  sqlite3 db test.db41  db eval {PRAGMA cache_size=10; SELECT 1 FROM sqlite_master;}42  lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 143} {2}44do_test pcache2-1.3 {45  forcedelete test2.db test2.db-journal46  sqlite3 db2 test2.db47  db2 eval {PRAGMA cache_size=50; SELECT 1 FROM sqlite_master;}48  lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 149} {4}50 51 52# Make lots of changes on the first connection.  Verify that the53# page cache usage does not grow to consume the page space set aside54# for the second connection.55#56do_test pcache2-1.4 {57  db eval {58     CREATE TABLE t1(a,b);59     CREATE TABLE t2(x,y);60     INSERT INTO t1 VALUES(1, zeroblob(800));61     INSERT INTO t1 VALUES(2, zeroblob(800));62     INSERT INTO t2 SELECT * FROM t1;63     INSERT INTO t1 SELECT x+2, y FROM t2;64     INSERT INTO t2 SELECT a+10, b FROM t1;65     INSERT INTO t1 SELECT x+10, y FROM t2;66     INSERT INTO t2 SELECT a+100, b FROM t1;67     INSERT INTO t1 SELECT x+100, y FROM t2;68     INSERT INTO t2 SELECT a+1000, b FROM t1;69     INSERT INTO t1 SELECT x+1000, y FROM t2;70  }71  sqlite3_status SQLITE_STATUS_PAGECACHE_USED 072} {0 13 13}73 74db close75catch {db2 close}76sqlite3_reset_auto_extension77sqlite3_shutdown78sqlite3_config_pagecache 0 079sqlite3_config serialized80sqlite3_initialize81autoinstall_test_functions82 83test_restore_config_pagecache84finish_test85