60 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 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
 | 
