3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
12 # This file is focused on testing the pcache module.
14 # $Id: pcache2.test,v 1.5 2009/07/18 14:36:24 danielk1977 Exp $
16 set testdir [file dirname $argv0]
17 source $testdir/tester.tcl
20 # Set up a pcache memory pool so that we can easily track how many
21 # pages are being used for cache.
25 sqlite3_reset_auto_extension
27 sqlite3_config_pagecache 6000 100
29 autoinstall_test_functions
30 sqlite3_status SQLITE_STATUS_PAGECACHE_USED 1
31 sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0
34 # Open up two database connections to separate files.
37 file delete -force test.db test.db-journal
39 db eval {PRAGMA cache_size=10}
40 lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1
43 file delete -force test2.db test2.db-journal
45 db2 eval {PRAGMA cache_size=50}
46 lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1
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.
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;
69 sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0
74 sqlite3_reset_auto_extension
76 sqlite3_config_pagecache 0 0
78 autoinstall_test_functions