sl@0: # 2008 August 01
sl@0: #
sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: #
sl@0: # Tests for the lookaside memory allocator.
sl@0: #
sl@0: # $Id: lookaside.test,v 1.6 2008/09/30 00:31:38 drh Exp $
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: 
sl@0: catch {db close}
sl@0: sqlite3_shutdown
sl@0: sqlite3_config_pagecache 0 0
sl@0: sqlite3_config_scratch 0 0
sl@0: sqlite3_initialize
sl@0: sqlite3 db test.db
sl@0: 
sl@0: # Make sure sqlite3_db_config() and sqlite3_db_status are working.
sl@0: #
sl@0: do_test lookaside-1.1 {
sl@0:   catch {sqlite3_config_error db}
sl@0: } {0}
sl@0: do_test lookaside-1.2 {
sl@0:   sqlite3_db_config_lookaside db 1 18 18
sl@0: } {0}
sl@0: do_test lookaside-1.3 {
sl@0:   sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0
sl@0: } {0 0 0}
sl@0: do_test lookaside-1.4 {
sl@0:   db eval {CREATE TABLE t1(w,x,y,z);}
sl@0:   foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break
sl@0:   expr {$x==0 && $y<$z && $z==18}
sl@0: } {1}
sl@0: do_test lookaside-1.5 {
sl@0:   foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 1] break
sl@0:   expr {$x==0 && $y<$z && $z==18}
sl@0: } {1}
sl@0: do_test lookaside-1.6 {
sl@0:   foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break
sl@0:   expr {$x==0 && $y==$z && $y<18}
sl@0: } {1}
sl@0: do_test lookaside-1.7 {
sl@0:   db cache flush
sl@0:   foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break
sl@0:   expr {$x==0 && $y==0 && $z<18}
sl@0: } {1}
sl@0: do_test lookaside-1.8 {
sl@0:   db cache flush
sl@0:   foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 1] break
sl@0:   expr {$x==0 && $y==0 && $z<18}
sl@0: } {1}
sl@0: do_test lookaside-1.9 {
sl@0:   db cache flush
sl@0:   sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0
sl@0: } {0 0 0}
sl@0: 
sl@0: do_test lookaside-2.1 {
sl@0:   sqlite3_db_config_lookaside db 0 100 1000
sl@0: } {0}
sl@0: do_test lookaside-2.2 {
sl@0:   db eval {CREATE TABLE t2(x);}
sl@0:   foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break
sl@0:   expr {$x==0 && $y<$z && $z>10 && $z<100}
sl@0: } {1}
sl@0: do_test lookaside-2.3 {
sl@0:   sqlite3_db_config_lookaside db 0 50 50
sl@0: } {5}  ;# SQLITE_BUSY
sl@0: do_test lookaside-2.4 {
sl@0:   db cache flush
sl@0:   sqlite3_db_config_lookaside db 0 50 50
sl@0: } {0}  ;# SQLITE_OK
sl@0: 
sl@0: # sqlite3_db_status() with an invalid verb returns an error.
sl@0: #
sl@0: do_test lookaside-3.1 {
sl@0:   sqlite3_db_status db 99999 0
sl@0: } {1 0 0}
sl@0: 
sl@0: # Test that an invalid verb on sqlite3_config() is detected and
sl@0: # reported as an error.
sl@0: #
sl@0: do_test lookaside-4.1 {
sl@0:   db close
sl@0:   sqlite3_shutdown
sl@0:   catch sqlite3_config_error
sl@0: } {0}
sl@0: sqlite3_initialize
sl@0: 
sl@0: finish_test