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# 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
test_set_config_pagecache 0 0
# 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_config singlethread
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 {
forcedelete test.db test.db-journal
sqlite3 db test.db
db eval {PRAGMA cache_size=10; SELECT 1 FROM sqlite_master;}
lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1
} {2}
do_test pcache2-1.3 {
forcedelete test2.db test2.db-journal
sqlite3 db2 test2.db
db2 eval {PRAGMA cache_size=50; SELECT 1 FROM sqlite_master;}
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_config serialized
sqlite3_initialize
autoinstall_test_functions
test_restore_config_pagecache
finish_test
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