sqlite/test/corruptI.test
dan f216e324f9 Fix an assert that can fail if the database file is corrupted.
FossilOrigin-Name: 3f45b8192dad7fb1f027cbaa694046e3c1b3e278
2014-08-14 19:53:37 +00:00

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# 2014-01-20
#
# 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.
#
#***********************************************************************
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix corruptI
if {[permutation]=="mmap"} {
finish_test
return
}
# Do not use a codec for tests in this file, as the database file is
# manipulated directly using tcl scripts (using the [hexio_write] command).
#
do_not_use_codec
database_may_be_corrupt
# Initialize the database.
#
do_execsql_test 1.1 {
PRAGMA page_size=1024;
PRAGMA auto_vacuum=0;
CREATE TABLE t1(a);
CREATE INDEX i1 ON t1(a);
INSERT INTO t1 VALUES('abcdefghijklmnop');
} {}
db close
do_test 1.2 {
set offset [hexio_get_int [hexio_read test.db [expr 2*1024 + 8] 2]]
set off [expr 2*1024 + $offset + 1]
hexio_write test.db $off 7f06
sqlite3 db test.db
catchsql { SELECT * FROM t1 WHERE a = 10 }
} {0 {}}
do_test 1.3 {
db close
set offset [hexio_get_int [hexio_read test.db [expr 2*1024 + 8] 2]]
set off [expr 2*1024 + $offset + 1]
hexio_write test.db $off FFFF7f02
sqlite3 db test.db
catchsql { SELECT * FROM t1 WHERE a = 10 }
} {1 {database disk image is malformed}}
do_test 2.0 {
execsql {
CREATE TABLE r(x);
INSERT INTO r VALUES('ABCDEFGHIJK');
CREATE INDEX r1 ON r(x);
}
set pg [db one {SELECT rootpage FROM sqlite_master WHERE name = 'r1'}]
} {5}
do_test 2.1 {
db close
set offset [hexio_get_int [hexio_read test.db [expr (5-1)*1024 + 8] 2]]
set off [expr (5-1)*1024 + $offset + 1]
hexio_write test.db $off FFFF0004
sqlite3 db test.db
catchsql { SELECT * FROM r WHERE x >= 10.0 }
} {1 {database disk image is malformed}}
do_test 2.2 {
catchsql { SELECT * FROM r WHERE x >= 10 }
} {1 {database disk image is malformed}}
reset_db
do_execsql_test 3.1 {
PRAGMA page_size = 512;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
WITH s(a, b) AS (
SELECT 2, 'abcdefghij'
UNION ALL
SELECT a+2, b FROM s WHERe a < 40
)
INSERT INTO t1 SELECT * FROM s;
} {}
do_test 3.2 {
hexio_write test.db [expr 512+3] 0054
db close
sqlite3 db test.db
execsql { INSERT INTO t1 VALUES(5, 'klmnopqrst') }
execsql { INSERT INTO t1 VALUES(7, 'klmnopqrst') }
} {}
db close
sqlite3 db test.db
do_catchsql_test 3.2 {
INSERT INTO t1 VALUES(9, 'klmnopqrst');
} {1 {database disk image is malformed}}
finish_test