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Add tests to insure VACUUM works in the presence of I/O errors. Fix some

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problems that came to light by these tests. (CVS 935)

FossilOrigin-Name: 8d3e879349fc9523c72cb46111e0058b57ce9341
This commit is contained in:
drh
2003-04-25 15:37:57 +00:00
parent 9c05dc6298
commit 2e6d11bc07
7 changed files with 128 additions and 47 deletions
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62
test/ioerr.test
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@ -15,7 +15,7 @@
# The tests in this file use special facilities that are only
# available in the SQLite test fixture.
#
# $Id: ioerr.test,v 1.2 2003/02/16 22:21:33 drh Exp $
# $Id: ioerr.test,v 1.3 2003/04/25 15:37:59 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -56,5 +56,65 @@ for {set n 1} {$go} {incr n} {
}
set ::sqlite_io_error_pending 0
proc cksum {{db db}} {
set txt [$db eval {SELECT name, type, sql FROM sqlite_master}]\n
foreach tbl [$db eval {SELECT name FROM sqlite_master WHERE type='table'}] {
append txt [$db eval "SELECT * FROM $tbl"]\n
}
foreach prag {default_synchronous default_cache_size} {
append txt $prag-[$db eval "PRAGMA $prag"]\n
}
set cksum [string length $txt]-[md5 $txt]
# puts $cksum-[file size test.db]
return $cksum
}
set ::go 1
for {set n 1} {$go} {incr n} {
do_test ioerr-2.$n.1 {
set ::sqlite_io_error_pending 0
db close
catch {file delete -force test.db}
catch {file delete -force test.db-journal}
sqlite db test.db
execsql {
BEGIN;
CREATE TABLE t1(a, b, c);
INSERT INTO t1 VALUES(1, randstr(5,50), randstr(5,50));
INSERT INTO t1 SELECT a+2, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT a+4, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT a+8, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT a+16, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT a+32, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT a+64, b||'-'||rowid, c||'-'||rowid FROM t1;
INSERT INTO t1 SELECT a+128, b||'-'||rowid, c||'-'||rowid FROM t1;
CREATE TABLE t2 AS SELECT * FROM t1;
CREATE TABLE t3 AS SELECT * FROM t1;
COMMIT;
DROP TABLE t2;
}
set ::cksum [cksum]
execsql {
SELECT name FROM sqlite_master WHERE type='table'
}
} {t1 t3}
do_test ioerr-2.$n.2 [subst {
set ::sqlite_io_error_pending $n
}] $n
do_test ioerr-2.$n.3 {
set r [catch {db eval {
VACUUM;
}} msg]
# puts "error_pending=$::sqlite_io_error_pending"
# if {$r} {puts $msg}
set ::go [expr {$::sqlite_io_error_pending<=0}]
expr {$::sqlite_io_error_pending>0 || $r!=0}
set ::sqlite_io_error_pending 0
db close
sqlite db test.db
cksum
} $cksum
}
set ::sqlite_io_error_pending 0
finish_test