rt-thread/components/external/SQLite-3.8.1/test/memsubsys1.test

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# 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
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
sqlite3_reset_auto_extension
# This test assumes that no page-cache or scratch buffers are installed
# by default when a new database connection is opened. As a result, it
# will not work with the "memsubsys1" permutation.
#
if {[permutation] == "memsubsys1"} {
finish_test
return
}
# 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}
forcedelete test.db test.db-journal
sqlite3 db test.db
sqlite3_db_config_lookaside db 0 0 0
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 $testname.2
}
# Reset all of the highwater marks.
#
proc reset_highwater_marks {} {
sqlite3_status SQLITE_STATUS_MEMORY_USED 1
sqlite3_status SQLITE_STATUS_MALLOC_SIZE 1
sqlite3_status SQLITE_STATUS_PAGECACHE_USED 1
sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 1
sqlite3_status SQLITE_STATUS_PAGECACHE_SIZE 1
sqlite3_status SQLITE_STATUS_SCRATCH_USED 1
sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 1
sqlite3_status SQLITE_STATUS_SCRATCH_SIZE 1
sqlite3_status SQLITE_STATUS_PARSER_STACK 1
}
set xtra_size 290
# Test 1: Both PAGECACHE and SCRATCH are shut down.
#
db close
sqlite3_shutdown
sqlite3_config_lookaside 0 0
sqlite3_initialize
reset_highwater_marks
build_test_db memsubsys1-1 {PRAGMA page_size=1024}
do_test memsubsys1-1.3 {
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
} 0
do_test memsubsys1-1.4 {
set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
} 0
set max_pagecache [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
#show_memstats
# Test 2: Activate PAGECACHE with 20 pages
#
db close
sqlite3_shutdown
sqlite3_config_pagecache [expr 1024+$xtra_size] 20
sqlite3_initialize
reset_highwater_marks
build_test_db memsubsys1-2 {PRAGMA page_size=1024; PRAGMA mmap_size=0}
#show_memstats
set MEMORY_MANAGEMENT $sqlite_options(memorymanage)
ifcapable !malloc_usable_size {
do_test memsubsys1-2.3 {
set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
} [expr ($TEMP_STORE>1 || $MEMORY_MANAGEMENT==0)*1024]
}
do_test memsubsys1-2.4 {
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
} 20
do_test memsubsys1-2.5 {
set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
} 0
# Test 3: Activate PAGECACHE with 20 pages but use the wrong page size
# so that PAGECACHE is not used.
#
db close
sqlite3_shutdown
sqlite3_config_pagecache [expr 512+$xtra_size] 20
sqlite3_initialize
reset_highwater_marks
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]
} $max_pagecache
do_test memsubsys1-3.1.5 {
set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
} 0
db close
sqlite3_shutdown
sqlite3_config_pagecache [expr 2048+$xtra_size] 20
sqlite3_initialize
reset_highwater_marks
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 [expr 1024+$xtra_size] 50
sqlite3_config_scratch 6000 2
sqlite3_initialize
reset_highwater_marks
build_test_db memsubsys1-4 {PRAGMA page_size=1024}
#show_memstats
do_test memsubsys1-4.3 {
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
expr {$pg_used>=45 && $pg_used<=50}
} 1
do_test memsubsys1-4.4 {
set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
} 0
do_test memsubsys1-4.5 {
set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
expr {$maxreq<7000}
} 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 [expr 4096+$xtra_size] 24
sqlite3_config_scratch 6000 2
sqlite3_initialize
reset_highwater_marks
build_test_db memsubsys1-5 {PRAGMA page_size=4096}
#show_memstats
do_test memsubsys1-5.3 {
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
} 24
do_test memsubsys1-5.4 {
set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
expr {$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 {$s_ovfl>6000}
} 1
# Test 6: Activate both PAGECACHE and SCRATCH with a 4k page size.
# Make it so that SCRATCH is large enough
#
db close
sqlite3_shutdown
sqlite3_config_pagecache [expr 4096+$xtra_size] 24
sqlite3_config_scratch 25300 1
sqlite3_initialize
reset_highwater_marks
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]
# expr {$maxreq>4096 && $maxreq<=(4096+$xtra_size)}
#} 1
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 [expr 4096+$xtra_size] 24
sqlite3_config_scratch 25300 1
sqlite3_initialize
reset_highwater_marks
build_test_db memsubsys1-7 {
PRAGMA page_size=4096;
PRAGMA cache_size=10;
PRAGMA temp_store=memory;
}
#show_memstats
do_test memsubsys1-7.3 {
set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
expr {$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<4100}
} 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
# Test 8: Disable PAGECACHE. Make available SCRATCH zero. Verify that
# the SCRATCH overflow logic works.
#
db close
sqlite3_shutdown
sqlite3_config_pagecache 0 0
sqlite3_config_scratch 25000 0
sqlite3_initialize
reset_highwater_marks
do_test memsubsys1-8.1 {
set pg_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
} 0
do_test memsubsys1-8.2 {
set s_ovfl [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]
} 0
do_test memsubsys1-8.3 {
sqlite3 db :memory:
db eval {
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(zeroblob(400));
INSERT INTO t1 VALUES(zeroblob(400));
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
}
expr {[lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]>0}
} 1
db close
sqlite3_shutdown
sqlite3_config_memstatus 0
sqlite3_initialize
do_test memsubsys1-8.4 {
sqlite3 db :memory:
db eval {
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(zeroblob(400));
INSERT INTO t1 VALUES(zeroblob(400));
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
SELECT rowid FROM t1;
}
} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16}
db close
sqlite3_shutdown
sqlite3_config_memstatus 1
sqlite3_config_pagecache 0 0
sqlite3_config_scratch 0 0
sqlite3_config_lookaside 100 500
sqlite3_initialize
autoinstall_test_functions
finish_test