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Annotation of embedaddon/sqlite3/test/pcache2.test, revision 1.1.1.1

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