226 lines
6.6 KiB
Plaintext
226 lines
6.6 KiB
Plaintext
# 2008 June 18
|
|
#
|
|
# 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.
|
|
#
|
|
#***********************************************************************
|
|
#
|
|
# This file contains tests of the memory allocation subsystem
|
|
#
|
|
# $Id: memsubsys1.test,v 1.2 2008/06/19 17:54:33 drh Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
sqlite3_reset_auto_extension
|
|
|
|
# This procedure constructs a new database in test.db. It fills
|
|
# this database with many small records (enough to force multiple
|
|
# rebalance operations in the btree-layer and to require a large
|
|
# page cache), verifies correct results, then returns.
|
|
#
|
|
proc build_test_db {testname pragmas} {
|
|
catch {db close}
|
|
file delete -force test.db test.db-journal
|
|
sqlite3 db test.db
|
|
db eval $pragmas
|
|
db eval {
|
|
CREATE TABLE t1(x, y);
|
|
CREATE TABLE t2(a, b);
|
|
CREATE INDEX i1 ON t1(x,y);
|
|
INSERT INTO t1 VALUES(1, 100);
|
|
INSERT INTO t1 VALUES(2, 200);
|
|
}
|
|
for {set i 2} {$i<5000} {incr i $i} {
|
|
db eval {INSERT INTO t2 SELECT * FROM t1}
|
|
db eval {INSERT INTO t1 SELECT a+$i, a+b*100 FROM t2}
|
|
db eval {DELETE FROM t2}
|
|
}
|
|
do_test $testname.1 {
|
|
db eval {SELECT count(*) FROM t1}
|
|
} 8192
|
|
integrity_check $testname.2
|
|
}
|
|
|
|
# Test 1: Both PAGECACHE and SCRATCH are shut down.
|
|
#
|
|
db close
|
|
sqlite3_shutdown
|
|
sqlite3_initialize
|
|
build_test_db memsubsys1-1 {PRAGMA page_size=1024}
|
|
do_test memsubsys1-1.3 {
|
|
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
|
|
} 0
|
|
do_test memsubsys1-1.4 {
|
|
set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
|
|
} 0
|
|
set max_pagecache [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
|
|
#show_memstats
|
|
|
|
# Test 2: Activate PAGECACHE with 20 pages
|
|
#
|
|
db close
|
|
sqlite3_shutdown
|
|
sqlite3_config_pagecache 1024 20
|
|
sqlite3_initialize
|
|
build_test_db memsubsys1-2 {PRAGMA page_size=1024}
|
|
#show_memstats
|
|
do_test memsubsys1-2.3 {
|
|
set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
|
|
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
|
|
expr {$pg_used*1024 + $pg_ovfl}
|
|
} $max_pagecache
|
|
do_test memsubsys1-2.4 {
|
|
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
|
|
} 20
|
|
do_test memsubsys1-2.5 {
|
|
set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
|
|
} 0
|
|
|
|
# Test 3: Activate PAGECACHE with 20 pages but use the wrong page size
|
|
# so that PAGECACHE is not used.
|
|
#
|
|
db close
|
|
sqlite3_shutdown
|
|
sqlite3_config_pagecache 512 20
|
|
sqlite3_initialize
|
|
build_test_db memsubsys1-3.1 {PRAGMA page_size=1024}
|
|
#show_memstats
|
|
do_test memsubsys1-3.1.3 {
|
|
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
|
|
} 0
|
|
do_test memsubsys1-3.1.4 {
|
|
set overflow [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
|
|
} $max_pagecache
|
|
do_test memsubsys1-3.1.5 {
|
|
set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
|
|
} 0
|
|
db close
|
|
sqlite3_shutdown
|
|
sqlite3_config_pagecache 2048 20
|
|
sqlite3_initialize
|
|
build_test_db memsubsys1-3.2 {PRAGMA page_size=2048}
|
|
#show_memstats
|
|
do_test memsubsys1-3.2.3 {
|
|
db eval {PRAGMA page_size}
|
|
} 2048
|
|
do_test memsubsys1-3.2.4 {
|
|
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
|
|
} 20
|
|
do_test memsubsys1-3.2.5 {
|
|
set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
|
|
} 0
|
|
|
|
# Test 4: Activate both PAGECACHE and SCRATCH.
|
|
#
|
|
db close
|
|
sqlite3_shutdown
|
|
sqlite3_config_pagecache 1024 50
|
|
sqlite3_config_scratch 6000 2
|
|
sqlite3_initialize
|
|
build_test_db memsubsys1-4 {PRAGMA page_size=1024}
|
|
#show_memstats
|
|
do_test memsubsys1-4.3 {
|
|
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
|
|
} 50
|
|
do_test memsubsys1-4.4 {
|
|
set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
|
|
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
|
|
expr {$pg_used*1024 + $pg_ovfl}
|
|
} $max_pagecache
|
|
do_test memsubsys1-4.5 {
|
|
set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
|
|
expr {$maxreq<4096}
|
|
} 1
|
|
do_test memsubsys1-4.6 {
|
|
set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
|
|
} 1
|
|
|
|
# Test 5: Activate both PAGECACHE and SCRATCH. But make the page size
|
|
# such that the SCRATCH allocations are too small.
|
|
#
|
|
db close
|
|
sqlite3_shutdown
|
|
sqlite3_config_pagecache 4096 24
|
|
sqlite3_config_scratch 6000 2
|
|
sqlite3_initialize
|
|
build_test_db memsubsys1-5 {PRAGMA page_size=4096}
|
|
#show_memstats
|
|
do_test memsubsys1-5.3 {
|
|
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
|
|
} 24
|
|
do_test memsubsys1-5.4 {
|
|
set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
|
|
expr {$maxreq>4096}
|
|
} 1
|
|
do_test memsubsys1-5.5 {
|
|
set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
|
|
} 0
|
|
do_test memsubsys1-5.6 {
|
|
set s_ovfl [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]
|
|
expr {$s_ovfl>6000}
|
|
} 1
|
|
|
|
# Test 6: Activate both PAGECACHE and SCRATCH with a 4k page size.
|
|
# Make it so that SCRATCH is large enough
|
|
#
|
|
db close
|
|
sqlite3_shutdown
|
|
sqlite3_config_pagecache 4096 24
|
|
sqlite3_config_scratch 25000 1
|
|
sqlite3_initialize
|
|
build_test_db memsubsys1-6 {PRAGMA page_size=4096}
|
|
#show_memstats
|
|
do_test memsubsys1-6.3 {
|
|
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
|
|
} 24
|
|
do_test memsubsys1-6.4 {
|
|
set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
|
|
} 4096
|
|
do_test memsubsys1-6.5 {
|
|
set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
|
|
} 1
|
|
do_test memsubsys1-6.6 {
|
|
set s_ovfl [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]
|
|
} 0
|
|
|
|
# Test 7: Activate both PAGECACHE and SCRATCH with a 4k page size.
|
|
# Set cache_size small so that no PAGECACHE overflow occurs. Verify
|
|
# that maximum allocation size is small.
|
|
#
|
|
db close
|
|
sqlite3_shutdown
|
|
sqlite3_config_pagecache 4096 24
|
|
sqlite3_config_scratch 25000 1
|
|
sqlite3_initialize
|
|
breakpoint
|
|
build_test_db memsubsys1-7 {
|
|
PRAGMA page_size=4096;
|
|
PRAGMA cache_size=10;
|
|
PRAGMA temp_cache_size=10;
|
|
}
|
|
#show_memstats
|
|
do_test memsubsys1-7.3 {
|
|
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
|
|
expr {$pg_used<24}
|
|
} 1
|
|
do_test memsubsys1-7.4 {
|
|
set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
|
|
} 0
|
|
do_test memsubsys1-7.5 {
|
|
set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
|
|
expr {$maxreq<2500}
|
|
} 1
|
|
do_test memsubsys1-7.6 {
|
|
set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
|
|
} 1
|
|
do_test memsubsys1-7.7 {
|
|
set s_ovfl [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]
|
|
} 0
|
|
|
|
autoinstall_test_functions
|
|
finish_test
|