/trunk/test/lookaside.test |
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# 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 $ |
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set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
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ifcapable !lookaside { |
finish_test |
return |
} |
|
# The tests in this file configure the lookaside allocator after a |
# connection is opened. This will not work if there is any "presql" |
# configured (SQL run within the [sqlite3] wrapper in tester.tcl). |
if {[info exists ::G(perm:presql)]} { |
finish_test |
return |
} |
|
catch {db close} |
sqlite3_shutdown |
sqlite3_config_pagecache 0 0 |
sqlite3_config_scratch 0 0 |
sqlite3_initialize |
autoinstall_test_functions |
sqlite3 db test.db |
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# Make sure sqlite3_db_config() and sqlite3_db_status are working. |
# |
do_test lookaside-1.1 { |
catch {sqlite3_config_error db} |
} {0} |
|
do_test lookaside-1.2 { |
sqlite3_db_config_lookaside db 1 18 18 |
} {0} |
do_test lookaside-1.3.1 { |
sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0 |
} {0 0 0} |
do_test lookaside-1.3.2 { |
sqlite3_db_status db DBSTATUS_LOOKASIDE_HIT 0 |
} {0 0 0} |
do_test lookaside-1.3.3 { |
sqlite3_db_status db DBSTATUS_LOOKASIDE_MISS_SIZE 0 |
} {0 0 0} |
do_test lookaside-1.3.4 { |
sqlite3_db_status db DBSTATUS_LOOKASIDE_MISS_FULL 0 |
} {0 0 0} |
|
do_test lookaside-1.4 { |
db eval {CREATE TABLE t1(w,x,y,z);} |
foreach {x y z} [sqlite3_db_status db DBSTATUS_LOOKASIDE_USED 0] break |
set p [lindex [sqlite3_db_status db DBSTATUS_LOOKASIDE_HIT 0] 2] |
set q [lindex [sqlite3_db_status db DBSTATUS_LOOKASIDE_MISS_SIZE 0] 2] |
set r [lindex [sqlite3_db_status db DBSTATUS_LOOKASIDE_MISS_FULL 0] 2] |
expr {$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 |
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# sqlite3_db_status() with an invalid verb returns an error. |
# |
do_test lookaside-3.1 { |
sqlite3_db_status db 99999 0 |
} {1 0 0} |
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# 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 |
|
finish_test |