# 2008 August 01 # # 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. # #*********************************************************************** # # Tests for the lookaside memory allocator. # # $Id: lookaside.test,v 1.4 2008/08/05 17:53:24 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl catch {db close} sqlite3_shutdown sqlite3_config_pagecache 0 0 sqlite3_config_scratch 0 0 sqlite3_initialize sqlite3 db test.db # Make sure sqlite3_db_config() and sqlite3_db_status are working. # do_test lookaside-1.1 { catch {sqlite3_config_error db} } {0} do_test lookaside-1.2 { sqlite3_db_config_lookaside db 1 20 20 } {0} do_test lookaside-1.3 { sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0 } {0 0 0} do_test lookaside-1.4 { db eval {CREATE TABLE t1(x);} foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break expr {$x==0 && $y<$z && $z==20} } {1} do_test lookaside-1.5 { foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 1] break expr {$x==0 && $y<$z && $z==20} } {1} do_test lookaside-1.6 { foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break expr {$x==0 && $y==$z && $y<20} } {1} do_test lookaside-1.7 { db cache flush foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break expr {$x==0 && $y==0 && $z<20} } {1} do_test lookaside-1.8 { db cache flush foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 1] break expr {$x==0 && $y==0 && $z<20} } {1} do_test lookaside-1.9 { db cache flush sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0 } {0 0 0} do_test lookaside-2.1 { sqlite3_db_config_lookaside db 0 100 1000 } {0} do_test lookaside-2.2 { db eval {CREATE TABLE t2(x);} foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break expr {$x==0 && $y<$z && $z>10 && $z<100} } {1} do_test lookaside-2.3 { sqlite3_db_config_lookaside db 0 50 50 } {5} ;# SQLITE_BUSY do_test lookaside-2.4 { db cache flush sqlite3_db_config_lookaside db 0 50 50 } {0} ;# SQLITE_OK # sqlite3_db_status() with an invalid verb returns an error. # do_test lookaside-3.1 { sqlite3_db_status db 99999 0 } {1 0 0} # Test that an invalid verb on sqlite3_config() is detected and # reported as an error. # do_test lookaside-4.1 { db close sqlite3_shutdown catch sqlite3_config_error } {0} sqlite3_initialize finish_test