diff -r 000000000000 -r bde4ae8d615e os/persistentdata/persistentstorage/sqlite3api/TEST/TclScript/pager3.test --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/persistentdata/persistentstorage/sqlite3api/TEST/TclScript/pager3.test Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,73 @@ +# 2001 September 15 +# +# 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 script is page cache subsystem. +# +# $Id: pager3.test,v 1.3 2005/03/29 03:11:00 danielk1977 Exp $ + + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +# This test makes sure the database file is truncated back to the correct +# length on a rollback. +# +# After some preliminary setup, a transaction is start at NOTE (1). +# The create table on the following line allocates an additional page +# at the end of the database file. But that page is not written because +# the database still has a RESERVED lock, not an EXCLUSIVE lock. The +# new page is held in memory and the size of the file is unchanged. +# The insert at NOTE (2) begins adding additional pages. Then it hits +# a constraint error and aborts. The abort causes sqlite3OsTruncate() +# to be called to restore the file to the same length as it was after +# the create table. But the create table results had not yet been +# written so the file is actually lengthened by this truncate. Finally, +# the rollback at NOTE (3) is called to undo all the changes since the +# begin. This rollback should truncate the database again. +# +# This test was added because the second truncate at NOTE (3) was not +# occurring on early versions of SQLite 3.0. +# +ifcapable tempdb { + do_test pager3-1.1 { + execsql { + create table t1(a unique, b); + insert into t1 values(1, 'abcdefghijklmnopqrstuvwxyz'); + insert into t1 values(2, 'abcdefghijklmnopqrstuvwxyz'); + update t1 set b=b||a||b; + update t1 set b=b||a||b; + update t1 set b=b||a||b; + update t1 set b=b||a||b; + update t1 set b=b||a||b; + update t1 set b=b||a||b; + create temp table t2 as select * from t1; + begin; ------- NOTE (1) + create table t3(x); + } + catchsql { + insert into t1 select 4-a, b from t2; ----- NOTE (2) + } + execsql { + rollback; ------- NOTE (3) + } + db close + sqlite3 db test.db + set r ok + ifcapable {integrityck} { + set r [execsql { + pragma integrity_check; + }] + } + set r + } ok +} + +finish_test