| # 2008 September 15 |
| # |
| # 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 is focused on testing the pcache module. |
| # |
| # $Id: pcache2.test,v 1.5 2009/07/18 14:36:24 danielk1977 Exp $ |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| |
| |
| # Set up a pcache memory pool so that we can easily track how many |
| # pages are being used for cache. |
| # |
| do_test pcache2-1.1 { |
| db close |
| sqlite3_reset_auto_extension |
| sqlite3_shutdown |
| sqlite3_config_pagecache 6000 100 |
| sqlite3_initialize |
| autoinstall_test_functions |
| sqlite3_status SQLITE_STATUS_PAGECACHE_USED 1 |
| sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0 |
| } {0 0 0} |
| |
| # Open up two database connections to separate files. |
| # |
| do_test pcache2-1.2 { |
| file delete -force test.db test.db-journal |
| sqlite3 db test.db |
| db eval {PRAGMA cache_size=10} |
| lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1 |
| } {2} |
| do_test pcache2-1.3 { |
| file delete -force test2.db test2.db-journal |
| sqlite3 db2 test2.db |
| db2 eval {PRAGMA cache_size=50} |
| lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1 |
| } {4} |
| |
| |
| # Make lots of changes on the first connection. Verify that the |
| # page cache usage does not grow to consume the page space set aside |
| # for the second connection. |
| # |
| do_test pcache2-1.4 { |
| db eval { |
| CREATE TABLE t1(a,b); |
| CREATE TABLE t2(x,y); |
| INSERT INTO t1 VALUES(1, zeroblob(800)); |
| INSERT INTO t1 VALUES(2, zeroblob(800)); |
| INSERT INTO t2 SELECT * FROM t1; |
| INSERT INTO t1 SELECT x+2, y FROM t2; |
| INSERT INTO t2 SELECT a+10, b FROM t1; |
| INSERT INTO t1 SELECT x+10, y FROM t2; |
| INSERT INTO t2 SELECT a+100, b FROM t1; |
| INSERT INTO t1 SELECT x+100, y FROM t2; |
| INSERT INTO t2 SELECT a+1000, b FROM t1; |
| INSERT INTO t1 SELECT x+1000, y FROM t2; |
| } |
| sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0 |
| } {0 13 13} |
| |
| db close |
| catch {db2 close} |
| sqlite3_reset_auto_extension |
| sqlite3_shutdown |
| sqlite3_config_pagecache 0 0 |
| sqlite3_initialize |
| autoinstall_test_functions |
| |
| finish_test |