| Index: third_party/sqlite/test/corrupt.test
|
| ===================================================================
|
| --- third_party/sqlite/test/corrupt.test (revision 56608)
|
| +++ third_party/sqlite/test/corrupt.test (working copy)
|
| @@ -1,260 +0,0 @@
|
| -# 2004 August 30
|
| -#
|
| -# 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.
|
| -#
|
| -#***********************************************************************
|
| -# This file implements regression tests for SQLite library.
|
| -#
|
| -# This file implements tests to make sure SQLite does not crash or
|
| -# segfault if it sees a corrupt database file.
|
| -#
|
| -# $Id: corrupt.test,v 1.12 2009/07/13 09:41:45 danielk1977 Exp $
|
| -
|
| -catch {file delete -force test.db test.db-journal test.bu}
|
| -
|
| -set testdir [file dirname $argv0]
|
| -source $testdir/tester.tcl
|
| -
|
| -# Construct a large database for testing.
|
| -#
|
| -do_test corrupt-1.1 {
|
| - execsql {
|
| - BEGIN;
|
| - CREATE TABLE t1(x);
|
| - INSERT INTO t1 VALUES(randstr(100,100));
|
| - INSERT INTO t1 VALUES(randstr(90,90));
|
| - INSERT INTO t1 VALUES(randstr(80,80));
|
| - INSERT INTO t1 SELECT x || randstr(5,5) FROM t1;
|
| - INSERT INTO t1 SELECT x || randstr(6,6) FROM t1;
|
| - INSERT INTO t1 SELECT x || randstr(7,7) FROM t1;
|
| - INSERT INTO t1 SELECT x || randstr(8,8) FROM t1;
|
| - INSERT INTO t1 VALUES(randstr(3000,3000));
|
| - INSERT INTO t1 SELECT x || randstr(9,9) FROM t1;
|
| - INSERT INTO t1 SELECT x || randstr(10,10) FROM t1;
|
| - INSERT INTO t1 SELECT x || randstr(11,11) FROM t1;
|
| - INSERT INTO t1 SELECT x || randstr(12,12) FROM t1;
|
| - CREATE INDEX t1i1 ON t1(x);
|
| - CREATE TABLE t2 AS SELECT * FROM t1;
|
| - DELETE FROM t2 WHERE rowid%5!=0;
|
| - COMMIT;
|
| - }
|
| -} {}
|
| -integrity_check corrupt-1.2
|
| -
|
| -# Copy file $from into $to
|
| -#
|
| -proc copy_file {from to} {
|
| - set f [open $from]
|
| - fconfigure $f -translation binary
|
| - set t [open $to w]
|
| - fconfigure $t -translation binary
|
| - puts -nonewline $t [read $f [file size $from]]
|
| - close $t
|
| - close $f
|
| -}
|
| -
|
| -# Setup for the tests. Make a backup copy of the good database in test.bu.
|
| -# Create a string of garbage data that is 256 bytes long.
|
| -#
|
| -copy_file test.db test.bu
|
| -set fsize [file size test.db]
|
| -set junk "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
| -while {[string length $junk]<256} {append junk $junk}
|
| -set junk [string range $junk 0 255]
|
| -
|
| -# Go through the database and write garbage data into each 256 segment
|
| -# of the file. Then do various operations on the file to make sure that
|
| -# the database engine can recover gracefully from the corruption.
|
| -#
|
| -for {set i [expr {1*256}]} {$i<$fsize-256} {incr i 256} {
|
| - set tn [expr {$i/256}]
|
| - db close
|
| - copy_file test.bu test.db
|
| - set fd [open test.db r+]
|
| - fconfigure $fd -translation binary
|
| - seek $fd $i
|
| - puts -nonewline $fd $junk
|
| - close $fd
|
| - do_test corrupt-2.$tn.1 {
|
| - sqlite3 db test.db
|
| - catchsql {SELECT count(*) FROM sqlite_master}
|
| - set x {}
|
| - } {}
|
| - do_test corrupt-2.$tn.2 {
|
| - catchsql {SELECT count(*) FROM t1}
|
| - set x {}
|
| - } {}
|
| - do_test corrupt-2.$tn.3 {
|
| - catchsql {SELECT count(*) FROM t1 WHERE x>'abcdef'}
|
| - set x {}
|
| - } {}
|
| - do_test corrupt-2.$tn.4 {
|
| - catchsql {SELECT count(*) FROM t2}
|
| - set x {}
|
| - } {}
|
| - do_test corrupt-2.$tn.5 {
|
| - catchsql {CREATE TABLE t3 AS SELECT * FROM t1}
|
| - set x {}
|
| - } {}
|
| - do_test corrupt-2.$tn.6 {
|
| - catchsql {DROP TABLE t1}
|
| - set x {}
|
| - } {}
|
| - do_test corrupt-2.$tn.7 {
|
| - catchsql {PRAGMA integrity_check}
|
| - set x {}
|
| - } {}
|
| -
|
| - # Check that no page references were leaked.
|
| - do_test corrupt-2.$tn.8 {
|
| - set bt [btree_from_db db]
|
| - db_enter db
|
| - array set stats [btree_pager_stats $bt]
|
| - db_leave db
|
| - set stats(ref)
|
| - } {0}
|
| -}
|
| -
|
| -#------------------------------------------------------------------------
|
| -# For these tests, swap the rootpage entries of t1 (a table) and t1i1 (an
|
| -# index on t1) in sqlite_master. Then perform a few different queries
|
| -# and make sure this is detected as corruption.
|
| -#
|
| -do_test corrupt-3.1 {
|
| - db close
|
| - copy_file test.bu test.db
|
| - sqlite3 db test.db
|
| - list
|
| -} {}
|
| -do_test corrupt-3.2 {
|
| - set t1_r [execsql {SELECT rootpage FROM sqlite_master WHERE name = 't1i1'}]
|
| - set t1i1_r [execsql {SELECT rootpage FROM sqlite_master WHERE name = 't1'}]
|
| - set cookie [expr [execsql {PRAGMA schema_version}] + 1]
|
| - execsql "
|
| - PRAGMA writable_schema = 1;
|
| - UPDATE sqlite_master SET rootpage = $t1_r WHERE name = 't1';
|
| - UPDATE sqlite_master SET rootpage = $t1i1_r WHERE name = 't1i1';
|
| - PRAGMA writable_schema = 0;
|
| - PRAGMA schema_version = $cookie;
|
| - "
|
| -} {}
|
| -
|
| -# This one tests the case caught by code in checkin [2313].
|
| -do_test corrupt-3.3 {
|
| - db close
|
| - sqlite3 db test.db
|
| - catchsql {
|
| - INSERT INTO t1 VALUES('abc');
|
| - }
|
| -} {1 {database disk image is malformed}}
|
| -do_test corrupt-3.4 {
|
| - db close
|
| - sqlite3 db test.db
|
| - catchsql {
|
| - SELECT * FROM t1;
|
| - }
|
| -} {1 {database disk image is malformed}}
|
| -do_test corrupt-3.5 {
|
| - db close
|
| - sqlite3 db test.db
|
| - catchsql {
|
| - SELECT * FROM t1 WHERE oid = 10;
|
| - }
|
| -} {1 {database disk image is malformed}}
|
| -do_test corrupt-3.6 {
|
| - db close
|
| - sqlite3 db test.db
|
| - catchsql {
|
| - SELECT * FROM t1 WHERE x = 'abcde';
|
| - }
|
| -} {1 {database disk image is malformed}}
|
| -
|
| -do_test corrupt-4.1 {
|
| - db close
|
| - file delete -force test.db test.db-journal
|
| - sqlite3 db test.db
|
| - execsql {
|
| - PRAGMA page_size = 1024;
|
| - CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT);
|
| - }
|
| - for {set i 0} {$i < 10} {incr i} {
|
| - set text [string repeat $i 220]
|
| - execsql { INSERT INTO t1 VALUES($i, $text) }
|
| - }
|
| - execsql { CREATE INDEX i1 ON t1(b) }
|
| -} {}
|
| -do_test corrupt-4.2 {
|
| - set iRoot [db one {SELECT rootpage FROM sqlite_master WHERE name = 'i1'}]
|
| - set iOffset [hexio_get_int [hexio_read test.db [expr 12+($iRoot-1)*1024] 2]]
|
| - set data [hexio_render_int32 [expr $iRoot - 1]]
|
| - hexio_write test.db [expr ($iRoot-1)*1024 + $iOffset] $data
|
| - db close
|
| - sqlite3 db test.db
|
| -
|
| - # The following DELETE statement attempts to delete a cell stored on the
|
| - # root page of index i1. After this cell is deleted it must be replaced
|
| - # by a cell retrieved from the child page (a leaf) of the deleted cell.
|
| - # This will fail, as the block modified the database image so that the
|
| - # child page of the deleted cell is from a table (intkey) b-tree, not an
|
| - # index b-tree as expected. At one point this was causing an assert()
|
| - # to fail.
|
| - catchsql { DELETE FROM t1 WHERE rowid = 3 }
|
| -} {1 {database disk image is malformed}}
|
| -
|
| -do_test corrupt-5.1 {
|
| - db close
|
| - file delete -force test.db test.db-journal
|
| - sqlite3 db test.db
|
| -
|
| - execsql { PRAGMA page_size = 1024 }
|
| - set ct "CREATE TABLE t1(c0 "
|
| - set i 0
|
| - while {[string length $ct] < 950} { append ct ", c[incr i]" }
|
| - append ct ")"
|
| - execsql $ct
|
| -} {}
|
| -
|
| -do_test corrupt-5.2 {
|
| - db close
|
| - hexio_write test.db 108 00000000
|
| - sqlite3 db test.db
|
| - catchsql { SELECT * FROM sqlite_master }
|
| -} {1 {database disk image is malformed}}
|
| -
|
| -# At one point, the specific corruption caused by this test case was
|
| -# causing a buffer overwrite. Although a crash was never demonstrated,
|
| -# running this testcase under valgrind revealed the problem.
|
| -do_test corrupt-6.1 {
|
| - db close
|
| - file delete -force test.db test.db-journal
|
| - sqlite3 db test.db
|
| - execsql {
|
| - PRAGMA page_size = 1024; CREATE TABLE t1(x);
|
| - }
|
| -
|
| - # The root page of t1 is 1024 bytes in size. The header is 8 bytes, and
|
| - # each of the cells inserted by the following INSERT statements consume
|
| - # 16 bytes (including the 2 byte cell-offset array entry). So the page
|
| - # can contain up to 63 cells.
|
| - for {set i 0} {$i < 63} {incr i} {
|
| - execsql { INSERT INTO t1 VALUES( randomblob(10) ) }
|
| - }
|
| -
|
| - # Free the cell stored right at the end of the page (at offset pgsz-14).
|
| - execsql { DELETE FROM t1 WHERE rowid=1 }
|
| - set rootpage [db one {SELECT rootpage FROM sqlite_master WHERE name = 't1'}]
|
| - db close
|
| -
|
| - set offset [expr ($rootpage * 1024)-14+2]
|
| - hexio_write test.db $offset 00FF
|
| - sqlite3 db test.db
|
| -
|
| - catchsql { INSERT INTO t1 VALUES( randomblob(10) ) }
|
| -} {1 {database disk image is malformed}}
|
| -
|
| -finish_test
|
|
|