b5774cfa8f
to each connection does not exceed its cache_size limit. (CVS 5701) FossilOrigin-Name: 3bc221b940565133ae8d95f59b3b120e57df0124
71 lines
2.0 KiB
Plaintext
71 lines
2.0 KiB
Plaintext
# 2008 September 15
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# This file is focused on testing the pcache module.
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#
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# $Id: pcache2.test,v 1.1 2008/09/15 15:36:58 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Set up a pcache memory pool so that we can easily track how many
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# pages are being used for cache.
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#
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do_test pcache2-1.1 {
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db close
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sqlite3_shutdown
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sqlite3_config_pagecache 6000 100
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sqlite3_initialize
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sqlite3_status SQLITE_STATUS_PAGECACHE_USED 1
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sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0
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} {0 0 0}
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# Open up two database connections to separate files.
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#
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do_test pcache2-1.2 {
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file delete -force test.db test.db-journal
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sqlite3 db test.db
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db eval {PRAGMA cache_size=10}
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lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1
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} {2}
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do_test pcache2-1.3 {
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file delete -force test2.db test2.db-journal
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sqlite3 db2 test2.db
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db2 eval {PRAGMA cache_size=50}
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lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1
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} {4}
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# Make lots of changes on the first connection. Verify that the
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# page cache usage does not grow to consume the page space set aside
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# for the second connection.
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#
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do_test pcache2-1.4 {
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db eval {
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CREATE TABLE t1(a,b);
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CREATE TABLE t2(x,y);
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INSERT INTO t1 VALUES(1, zeroblob(800));
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INSERT INTO t1 VALUES(2, zeroblob(800));
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INSERT INTO t2 SELECT * FROM t1;
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INSERT INTO t1 SELECT x+2, y FROM t2;
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INSERT INTO t2 SELECT a+10, b FROM t1;
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INSERT INTO t1 SELECT x+10, y FROM t2;
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INSERT INTO t2 SELECT a+100, b FROM t1;
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INSERT INTO t1 SELECT x+100, y FROM t2;
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INSERT INTO t2 SELECT a+1000, b FROM t1;
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INSERT INTO t1 SELECT x+1000, y FROM t2;
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}
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sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0
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} {0 13 13}
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catch {db2 close}
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finish_test
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