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Add a test case to test corruption discovered as part of the ptrmapPut() routine. (CVS 5351)

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FossilOrigin-Name: cbb9536fc4fb2419e0eb6f3a32c67eeb7a73da82
This commit is contained in:
danielk1977
2008-07-07 15:39:11 +00:00
parent 7eaabcdb2a
commit 2b76b05dcc
3 changed files with 49 additions and 8 deletions
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43
test/corrupt2.test
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@@ -13,7 +13,7 @@
# This file implements tests to make sure SQLite does not crash or
# segfault if it sees a corrupt database file.
#
# $Id: corrupt2.test,v 1.5 2008/03/19 13:03:34 drh Exp $
# $Id: corrupt2.test,v 1.6 2008/07/07 15:39:11 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@@ -132,4 +132,45 @@ do_test corrupt2-2.1 {
db2 close
do_test corrupt2-3.1 {
file delete -force corrupt.db
file delete -force corrupt.db-journal
sqlite3 db2 corrupt.db
execsql {
PRAGMA auto_vacuum = 1;
PRAGMA page_size = 1024;
CREATE TABLE t1(a, b, c);
CREATE TABLE t2(a, b, c);
INSERT INTO t2 VALUES(randomblob(100), randomblob(100), randomblob(100));
INSERT INTO t2 SELECT * FROM t2;
INSERT INTO t2 SELECT * FROM t2;
INSERT INTO t2 SELECT * FROM t2;
INSERT INTO t2 SELECT * FROM t2;
} db2
db2 close
# On the root page of table t2 (page 4), set one of the child page-numbers
# to 0. This corruption will be detected when SQLite attempts to update
# the pointer-map after moving the content of page 4 to page 3 as part
# of the DROP TABLE operation below.
#
set fd [open corrupt.db r+]
fconfigure $fd -encoding binary -translation binary
seek $fd [expr 1024*3 + 12]
set zCelloffset [read $fd 2]
binary scan $zCelloffset S iCelloffset
seek $fd [expr 1024*3 + $iCelloffset]
puts -nonewline $fd "\00\00\00\00"
close $fd
sqlite3 db2 corrupt.db
catchsql {
DROP TABLE t1;
} db2
} {1 {malformed database schema (a3) - index a3 already exists}}
db2 close
finish_test