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Another test case to test a specific kind of database corruption. (CVS 5352)

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FossilOrigin-Name: 38e04d67635d49661f9b95338fc1cb8197bf0bc7
This commit is contained in:
danielk1977
2008-07-07 17:04:22 +00:00
parent 2b76b05dcc
commit b34a4ede32
3 changed files with 57 additions and 9 deletions
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test/corrupt2.test
+50 -2
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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 1.6 2008/07/07 15:39:11 danielk1977 Exp $
# $Id: corrupt2.test,v 1.7 2008/07/07 17:04:23 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@@ -169,7 +169,55 @@ do_test corrupt2-3.1 {
catchsql {
DROP TABLE t1;
} db2
} {1 {malformed database schema (a3) - index a3 already exists}}
} {1 {database disk image is malformed}}
do_test corrupt2-4.1 {
file delete -force corrupt.db
file delete -force corrupt.db-journal
sqlite3 db2 corrupt.db
execsql {
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;
INSERT INTO t1 SELECT * FROM t2;
} db2
db2 close
# This block links a page from table t2 into the t1 table structure.
#
set fd [open corrupt.db r+]
fconfigure $fd -encoding binary -translation binary
seek $fd [expr 1024 + 12]
set zCelloffset [read $fd 2]
binary scan $zCelloffset S iCelloffset
seek $fd [expr 1024 + $iCelloffset]
set zChildPage [read $fd 4]
seek $fd [expr 2*1024 + 12]
set zCelloffset [read $fd 2]
binary scan $zCelloffset S iCelloffset
seek $fd [expr 2*1024 + $iCelloffset]
puts -nonewline $fd $zChildPage
close $fd
sqlite3 db2 corrupt.db
db2 eval {SELECT rowid FROM t1} {
set result [db2 eval {pragma integrity_check}]
break
}
set result
} {{*** in database main ***
Page 10: sqlite3BtreeInitPage() returns error code 11
On tree page 3 cell 1: Child page depth differs
On tree page 2 cell 0: 2nd reference to page 10
On tree page 2 cell 1: Child page depth differs
Page 4 is never used}}
db2 close