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119 lines
2.8 KiB
Plaintext
119 lines
2.8 KiB
Plaintext
# 2011 May 16
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing the PRAGMA journal_size_limit when
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# in WAL mode.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !wal {finish_test ; return }
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# Case 1: No size limit. Journal can get large.
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#
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do_test wal7-1.0 {
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db close
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forcedelete test.db
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sqlite3 db test.db
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db eval {
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PRAGMA page_size=1024;
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PRAGMA journal_mode=WAL;
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PRAGMA wal_autocheckpoint=50; -- 50 pages
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CREATE TABLE t1(x, y UNIQUE);
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INSERT INTO t1 VALUES(1,2);
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INSERT INTO t1 VALUES(zeroblob(200000),4);
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CREATE TABLE t2(z);
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DELETE FROM t1;
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INSERT INTO t2 SELECT x FROM t1;
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}
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expr {[file size test.db-wal]>50*1100}
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} 1
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do_test wal7-1.1 {
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db eval {PRAGMA wal_checkpoint}
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expr {[file size test.db-wal]>50*1100}
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} 1
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do_test wal7-1.2 {
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db eval {INSERT INTO t2 VALUES('hi');}
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expr {[file size test.db-wal]>50*1100}
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} 1
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# Case 2: Size limit at half the autocheckpoint size.
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#
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do_test wal7-2.0 {
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db close
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forcedelete test.db
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sqlite3 db test.db
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db eval {
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PRAGMA page_size=1024;
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PRAGMA journal_mode=WAL;
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PRAGMA wal_autocheckpoint=50; -- 50 pages
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PRAGMA journal_size_limit=25000;
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CREATE TABLE t1(x, y UNIQUE);
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INSERT INTO t1 VALUES(1,2);
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INSERT INTO t1 VALUES(zeroblob(200000),4);
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CREATE TABLE t2(z);
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DELETE FROM t1;
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INSERT INTO t2 VALUES(1);
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}
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file size test.db-wal
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} 25000
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# Case 3: Size limit of zero.
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#
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do_test wal7-3.0 {
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db close
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forcedelete test.db
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sqlite3 db test.db
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db eval {
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PRAGMA page_size=1024;
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PRAGMA journal_mode=WAL;
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PRAGMA wal_autocheckpoint=50; -- 50 pages
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PRAGMA journal_size_limit=0;
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CREATE TABLE t1(x, y UNIQUE);
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INSERT INTO t1 VALUES(1,2);
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INSERT INTO t1 VALUES(zeroblob(200000),4);
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CREATE TABLE t2(z);
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DELETE FROM t1;
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INSERT INTO t2 VALUES(1);
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}
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set sz [file size test.db-wal]
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expr {$sz>0 && $sz<13700}
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} 1
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# Case 4: Size limit set before going WAL
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#
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do_test wal7-4.0 {
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db close
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forcedelete test.db
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sqlite3 db test.db
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db eval {
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PRAGMA page_size=1024;
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PRAGMA journal_size_limit=25000;
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PRAGMA journal_mode=WAL;
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PRAGMA wal_autocheckpoint=50; -- 50 pages
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CREATE TABLE t1(x, y UNIQUE);
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INSERT INTO t1 VALUES(1,2);
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INSERT INTO t1 VALUES(zeroblob(200000),4);
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CREATE TABLE t2(z);
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DELETE FROM t1;
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INSERT INTO t2 VALUES(1);
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}
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set sz [file size test.db-wal]
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} 25000
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finish_test
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