/trunk/test/tkt3918.test |
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# 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 $ |
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set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
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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)); |
} |
} {} |
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# 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; |
} |
} {} |
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# 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 } |
} {} |
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# 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) } |
} {} |
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finish_test |
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