| # 2009 June 17 |
| # |
| # 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. |
| # |
| #*********************************************************************** |
| # |
| # $Id: tkt3918.test,v 1.1 2009/06/17 11:13:28 danielk1977 Exp $ |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| |
| do_test tkt3918.1 { |
| execsql { |
| PRAGMA page_size = 1024; |
| PRAGMA auto_vacuum = incremental; |
| CREATE TABLE t1(i, x); |
| } |
| } {} |
| do_test tkt3918.2 { |
| execsql { |
| INSERT INTO t1 VALUES(1, randstr(1000,1000)); |
| INSERT INTO t1 VALUES(2, zeroblob(248*1020 + 100)); |
| INSERT INTO t1 VALUES(3, zeroblob(2*1020 + 100)); |
| } |
| } {} |
| |
| # This set of statements sets up the free list so that the |
| # first free-list trunk page contains only a single leaf. |
| # The leaf page is also the last page in the database. The |
| # second free-list trunk page contains, amongst other things, |
| # page number 4. |
| do_test tkt3918.3 { |
| execsql { |
| DELETE FROM t1 WHERE i = 2; |
| DELETE FROM t1 WHERE i = 1; |
| DELETE FROM t1 WHERE i = 3; |
| } |
| } {} |
| |
| # Incrementally vacuum the database to reduce its size by a single |
| # page. This will remove the single leaf from the first page in |
| # the linked list of free-list trunk pages. |
| do_test tkt3918.4 { |
| execsql { PRAGMA incremental_vacuum = 1 } |
| } {} |
| |
| # Create another table. This operation will attempt to extract |
| # page 4 from the database free-list. Bug 3918 caused sqlite to |
| # incorrectly report corruption here. |
| do_test tkt3918.5 { |
| execsql { CREATE TABLE t2(a, b) } |
| } {} |
| |
| finish_test |