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| 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 | |
| 16 set testdir [file dirname $argv0] | |
| 17 source $testdir/tester.tcl | |
| 18 | |
| 19 | |
| 20 # Set up a pcache memory pool so that we can easily track how many | |
| 21 # pages are being used for cache. | |
| 22 # | |
| 23 do_test pcache2-1.1 { | |
| 24 db close | |
| 25 sqlite3_reset_auto_extension | |
| 26 sqlite3_shutdown | |
| 27 sqlite3_config_pagecache 6000 100 | |
| 28 sqlite3_initialize | |
| 29 autoinstall_test_functions | |
| 30 sqlite3_status SQLITE_STATUS_PAGECACHE_USED 1 | |
| 31 sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0 | |
| 32 } {0 0 0} | |
| 33 | |
| 34 # Open up two database connections to separate files. | |
| 35 # | |
| 36 do_test pcache2-1.2 { | |
| 37 file delete -force test.db test.db-journal | |
| 38 sqlite3 db test.db | |
| 39 db eval {PRAGMA cache_size=10} | |
| 40 lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1 | |
| 41 } {2} | |
| 42 do_test pcache2-1.3 { | |
| 43 file delete -force test2.db test2.db-journal | |
| 44 sqlite3 db2 test2.db | |
| 45 db2 eval {PRAGMA cache_size=50} | |
| 46 lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1 | |
| 47 } {4} | |
| 48 | |
| 49 | |
| 50 # Make lots of changes on the first connection. Verify that the | |
| 51 # page cache usage does not grow to consume the page space set aside | |
| 52 # for the second connection. | |
| 53 # | |
| 54 do_test pcache2-1.4 { | |
| 55 db eval { | |
| 56 CREATE TABLE t1(a,b); | |
| 57 CREATE TABLE t2(x,y); | |
| 58 INSERT INTO t1 VALUES(1, zeroblob(800)); | |
| 59 INSERT INTO t1 VALUES(2, zeroblob(800)); | |
| 60 INSERT INTO t2 SELECT * FROM t1; | |
| 61 INSERT INTO t1 SELECT x+2, y FROM t2; | |
| 62 INSERT INTO t2 SELECT a+10, b FROM t1; | |
| 63 INSERT INTO t1 SELECT x+10, y FROM t2; | |
| 64 INSERT INTO t2 SELECT a+100, b FROM t1; | |
| 65 INSERT INTO t1 SELECT x+100, y FROM t2; | |
| 66 INSERT INTO t2 SELECT a+1000, b FROM t1; | |
| 67 INSERT INTO t1 SELECT x+1000, y FROM t2; | |
| 68 } | |
| 69 sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0 | |
| 70 } {0 13 13} | |
| 71 | |
| 72 db close | |
| 73 catch {db2 close} | |
| 74 sqlite3_reset_auto_extension | |
| 75 sqlite3_shutdown | |
| 76 sqlite3_config_pagecache 0 0 | |
| 77 sqlite3_initialize | |
| 78 autoinstall_test_functions | |
| 79 | |
| 80 finish_test | |
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