1# 2008 September 15 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# 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.tcl 18 19test_set_config_pagecache 0 0 20 21# Set up a pcache memory pool so that we can easily track how many 22# pages are being used for cache. 23# 24do_test pcache2-1.1 { 25 db close 26 sqlite3_reset_auto_extension 27 sqlite3_shutdown 28 sqlite3_config_pagecache 6000 100 29 sqlite3_config singlethread 30 sqlite3_initialize 31 autoinstall_test_functions 32 sqlite3_status SQLITE_STATUS_PAGECACHE_USED 1 33 sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0 34} {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-journal 40 sqlite3 db test.db 41 db eval {PRAGMA cache_size=10; SELECT 1 FROM sqlite_master;} 42 lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1 43} {2} 44do_test pcache2-1.3 { 45 forcedelete test2.db test2.db-journal 46 sqlite3 db2 test2.db 47 db2 eval {PRAGMA cache_size=50; SELECT 1 FROM sqlite_master;} 48 lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1 49} {4} 50 51 52# Make lots of changes on the first connection. Verify that the 53# page cache usage does not grow to consume the page space set aside 54# 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 0 72} {0 13 13} 73 74db close 75catch {db2 close} 76sqlite3_reset_auto_extension 77sqlite3_shutdown 78sqlite3_config_pagecache 0 0 79sqlite3_config serialized 80sqlite3_initialize 81autoinstall_test_functions 82 83test_restore_config_pagecache 84finish_test 85