/trunk/test/pcache2.test |
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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 $ |
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set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
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# 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} |
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# 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 |
} {1} |
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 |
} {2} |
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# 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 10 10} |
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db close |
catch {db2 close} |
sqlite3_reset_auto_extension |
sqlite3_shutdown |
sqlite3_config_pagecache 0 0 |
sqlite3_initialize |
autoinstall_test_functions |
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finish_test |