b2a0f75c06
faster, and easier to maintain. In place of the scratch allocator, add the SQLITE_CONFIG_SMALL_MALLOC configuration option that provides a hint to SQLite that large memory allocations should be avoided. FossilOrigin-Name: 54b000246cfb5c7b8adb61a17357ef5a49adddde9e48e8937834d5ba0beb8a6b
134 lines
3.5 KiB
Plaintext
134 lines
3.5 KiB
Plaintext
# 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 1.10 2009/04/09 01:23:49 drh Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
ifcapable !lookaside {
|
|
finish_test
|
|
return
|
|
}
|
|
|
|
# The tests in this file configure the lookaside allocator after a
|
|
# connection is opened. This will not work if there is any "presql"
|
|
# configured (SQL run within the [sqlite3] wrapper in tester.tcl).
|
|
if {[info exists ::G(perm:presql)]} {
|
|
finish_test
|
|
return
|
|
}
|
|
|
|
test_set_config_pagecache 0 0
|
|
|
|
catch {db close}
|
|
sqlite3_shutdown
|
|
sqlite3_initialize
|
|
autoinstall_test_functions
|
|
sqlite3 db test.db
|
|
|
|
# Make sure sqlite3_db_config() and sqlite3_db_status are working.
|
|
#
|
|
do_test lookaside-1.1 {
|
|
catch {sqlite3_config_error db}
|
|
} {0}
|
|
|
|
do_test lookaside-1.2 {
|
|
sqlite3_db_config_lookaside db 1 18 18
|
|
} {0}
|
|
do_test lookaside-1.3.1 {
|
|
sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0
|
|
} {0 0 0}
|
|
do_test lookaside-1.3.2 {
|
|
sqlite3_db_status db DBSTATUS_LOOKASIDE_HIT 0
|
|
} {0 0 0}
|
|
do_test lookaside-1.3.3 {
|
|
sqlite3_db_status db DBSTATUS_LOOKASIDE_MISS_SIZE 0
|
|
} {0 0 0}
|
|
do_test lookaside-1.3.4 {
|
|
sqlite3_db_status db DBSTATUS_LOOKASIDE_MISS_FULL 0
|
|
} {0 0 0}
|
|
|
|
do_test lookaside-1.4 {
|
|
db eval {CREATE TABLE t1(w,x,y,z);}
|
|
foreach {x y z} [sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0] break
|
|
set p [lindex [sqlite3_db_status db DBSTATUS_LOOKASIDE_HIT 0] 2]
|
|
set q [lindex [sqlite3_db_status db DBSTATUS_LOOKASIDE_MISS_SIZE 0] 2]
|
|
set r [lindex [sqlite3_db_status db DBSTATUS_LOOKASIDE_MISS_FULL 0] 2]
|
|
expr {$x==0 && $y<$z && $z==18 && $p>0 && $q>0 && $r>0}
|
|
} {0}
|
|
do_test lookaside-1.5 {
|
|
foreach {x y z} [sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 1] break
|
|
expr {$x==0 && $y<$z && $z==18}
|
|
} {0}
|
|
do_test lookaside-1.6 {
|
|
foreach {x y z} [sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0] break
|
|
expr {$x==0 && $y==$z && $y<18}
|
|
} {1}
|
|
do_test lookaside-1.7 {
|
|
db cache flush
|
|
foreach {x y z} [sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0] break
|
|
expr {$x==0 && $y==0 && $z<18}
|
|
} {1}
|
|
do_test lookaside-1.8 {
|
|
db cache flush
|
|
foreach {x y z} [sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 1] break
|
|
expr {$x==0 && $y==0 && $z<18}
|
|
} {1}
|
|
do_test lookaside-1.9 {
|
|
db cache flush
|
|
sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0
|
|
} {0 0 0}
|
|
|
|
do_test lookaside-2.1 {
|
|
sqlite3_db_config_lookaside db 0 100 1000
|
|
} {0}
|
|
do_test lookaside-2.2 {
|
|
db eval {CREATE TABLE t2(x);}
|
|
foreach {x y z} [sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0] break
|
|
expr {$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
|
|
do_test lookaside-2.5 {
|
|
sqlite3_db_config_lookaside db 0 -1 50
|
|
} {0} ;# SQLITE_OK
|
|
do_test lookaside-2.6 {
|
|
sqlite3_db_config_lookaside db 0 50 -1
|
|
} {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
|
|
autoinstall_test_functions
|
|
|
|
test_restore_config_pagecache
|
|
finish_test
|