/trunk/test/wal7.test |
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# 2011 May 16 |
# |
# 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 implements regression tests for SQLite library. The |
# focus of this file is testing the PRAGMA journal_size_limit when |
# in WAL mode. |
# |
|
set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
ifcapable !wal {finish_test ; return } |
|
# Case 1: No size limit. Journal can get large. |
# |
do_test wal7-1.0 { |
db close |
forcedelete test.db |
sqlite3 db test.db |
db eval { |
PRAGMA page_size=1024; |
PRAGMA journal_mode=WAL; |
PRAGMA wal_autocheckpoint=50; -- 50 pages |
CREATE TABLE t1(x, y UNIQUE); |
INSERT INTO t1 VALUES(1,2); |
INSERT INTO t1 VALUES(zeroblob(200000),4); |
CREATE TABLE t2(z); |
DELETE FROM t1; |
INSERT INTO t2 SELECT x FROM t1; |
} |
expr {[file size test.db-wal]>50*1100} |
} 1 |
do_test wal7-1.1 { |
db eval {PRAGMA wal_checkpoint} |
expr {[file size test.db-wal]>50*1100} |
} 1 |
do_test wal7-1.2 { |
db eval {INSERT INTO t2 VALUES('hi');} |
expr {[file size test.db-wal]>50*1100} |
} 1 |
|
# Case 2: Size limit at half the autocheckpoint size. |
# |
do_test wal7-2.0 { |
db close |
forcedelete test.db |
sqlite3 db test.db |
db eval { |
PRAGMA page_size=1024; |
PRAGMA journal_mode=WAL; |
PRAGMA wal_autocheckpoint=50; -- 50 pages |
PRAGMA journal_size_limit=25000; |
CREATE TABLE t1(x, y UNIQUE); |
INSERT INTO t1 VALUES(1,2); |
INSERT INTO t1 VALUES(zeroblob(200000),4); |
CREATE TABLE t2(z); |
DELETE FROM t1; |
INSERT INTO t2 VALUES(1); |
} |
file size test.db-wal |
} 25000 |
|
|
# Case 3: Size limit of zero. |
# |
do_test wal7-3.0 { |
db close |
forcedelete test.db |
sqlite3 db test.db |
db eval { |
PRAGMA page_size=1024; |
PRAGMA journal_mode=WAL; |
PRAGMA wal_autocheckpoint=50; -- 50 pages |
PRAGMA journal_size_limit=0; |
CREATE TABLE t1(x, y UNIQUE); |
INSERT INTO t1 VALUES(1,2); |
INSERT INTO t1 VALUES(zeroblob(200000),4); |
CREATE TABLE t2(z); |
DELETE FROM t1; |
INSERT INTO t2 VALUES(1); |
} |
set sz [file size test.db-wal] |
expr {$sz>0 && $sz<13700} |
} 1 |
|
|
# Case 4: Size limit set before going WAL |
# |
do_test wal7-4.0 { |
db close |
forcedelete test.db |
sqlite3 db test.db |
db eval { |
PRAGMA page_size=1024; |
PRAGMA journal_size_limit=25000; |
PRAGMA journal_mode=WAL; |
PRAGMA wal_autocheckpoint=50; -- 50 pages |
CREATE TABLE t1(x, y UNIQUE); |
INSERT INTO t1 VALUES(1,2); |
INSERT INTO t1 VALUES(zeroblob(200000),4); |
CREATE TABLE t2(z); |
DELETE FROM t1; |
INSERT INTO t2 VALUES(1); |
} |
set sz [file size test.db-wal] |
} 25000 |
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finish_test |