# 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