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 19# Set up a pcache memory pool so that we can easily track how many 20# pages are being used for cache. 21# 22do_test pcache2-1.1 { 23 db close 24 sqlite3_reset_auto_extension 25 sqlite3_shutdown 26 sqlite3_config_pagecache 6000 100 27 sqlite3_initialize 28 autoinstall_test_functions 29 sqlite3_status SQLITE_STATUS_PAGECACHE_USED 1 30 sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0 31} {0 0 0} 32 33# Open up two database connections to separate files. 34# 35do_test pcache2-1.2 { 36 forcedelete test.db test.db-journal 37 sqlite3 db test.db 38 db eval {PRAGMA cache_size=10} 39 lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1 40} {2} 41do_test pcache2-1.3 { 42 forcedelete test2.db test2.db-journal 43 sqlite3 db2 test2.db 44 db2 eval {PRAGMA cache_size=50} 45 lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1 46} {4} 47 48 49# Make lots of changes on the first connection. Verify that the 50# page cache usage does not grow to consume the page space set aside 51# for the second connection. 52# 53do_test pcache2-1.4 { 54 db eval { 55 CREATE TABLE t1(a,b); 56 CREATE TABLE t2(x,y); 57 INSERT INTO t1 VALUES(1, zeroblob(800)); 58 INSERT INTO t1 VALUES(2, zeroblob(800)); 59 INSERT INTO t2 SELECT * FROM t1; 60 INSERT INTO t1 SELECT x+2, y FROM t2; 61 INSERT INTO t2 SELECT a+10, b FROM t1; 62 INSERT INTO t1 SELECT x+10, y FROM t2; 63 INSERT INTO t2 SELECT a+100, b FROM t1; 64 INSERT INTO t1 SELECT x+100, y FROM t2; 65 INSERT INTO t2 SELECT a+1000, b FROM t1; 66 INSERT INTO t1 SELECT x+1000, y FROM t2; 67 } 68 sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0 69} {0 13 13} 70 71db close 72catch {db2 close} 73sqlite3_reset_auto_extension 74sqlite3_shutdown 75sqlite3_config_pagecache 0 0 76sqlite3_initialize 77autoinstall_test_functions 78 79finish_test 80