1# 2# 2001 October 12 3# 4# The author disclaims copyright to this source code. In place of 5# a legal notice, here is a blessing: 6# 7# May you do good and not evil. 8# May you find forgiveness for yourself and forgive others. 9# May you share freely, never taking more than you give. 10# 11#*********************************************************************** 12# This file implements regression tests for SQLite library. The 13# focus of this file is testing for correct handling of I/O errors 14# such as writes failing because the disk is full. 15# 16# The tests in this file use special facilities that are only 17# available in the SQLite test fixture. 18# 19# $Id: ioerr.test,v 1.3 2003/04/25 15:37:59 drh Exp $ 20 21set testdir [file dirname $argv0] 22source $testdir/tester.tcl 23 24set ::go 1 25for {set n 1} {$go} {incr n} { 26 do_test ioerr-1.$n.1 { 27 set ::sqlite_io_error_pending 0 28 db close 29 catch {file delete -force test.db} 30 catch {file delete -force test.db-journal} 31 sqlite db test.db 32 execsql {SELECT * FROM sqlite_master} 33 } {} 34 do_test ioerr-1.$n.2 [subst { 35 set ::sqlite_io_error_pending $n 36 }] $n 37 do_test ioerr-1.$n.3 { 38 set r [catch {db eval { 39 CREATE TABLE t1(a,b,c); 40 SELECT * FROM sqlite_master; 41 BEGIN TRANSACTION; 42 INSERT INTO t1 VALUES(1,2,3); 43 INSERT INTO t1 VALUES(4,5,6); 44 ROLLBACK; 45 SELECT * FROM t1; 46 BEGIN TRANSACTION; 47 INSERT INTO t1 VALUES(1,2,3); 48 INSERT INTO t1 VALUES(4,5,6); 49 COMMIT; 50 SELECT * FROM t1; 51 DELETE FROM t1 WHERE a<100; 52 }} msg] 53 # if {$r} {puts $msg} 54 set ::go [expr {$::sqlite_io_error_pending<=0}] 55 expr {$::sqlite_io_error_pending>0 || $r!=0} 56 } {1} 57} 58set ::sqlite_io_error_pending 0 59 60proc cksum {{db db}} { 61 set txt [$db eval {SELECT name, type, sql FROM sqlite_master}]\n 62 foreach tbl [$db eval {SELECT name FROM sqlite_master WHERE type='table'}] { 63 append txt [$db eval "SELECT * FROM $tbl"]\n 64 } 65 foreach prag {default_synchronous default_cache_size} { 66 append txt $prag-[$db eval "PRAGMA $prag"]\n 67 } 68 set cksum [string length $txt]-[md5 $txt] 69 # puts $cksum-[file size test.db] 70 return $cksum 71} 72 73set ::go 1 74for {set n 1} {$go} {incr n} { 75 do_test ioerr-2.$n.1 { 76 set ::sqlite_io_error_pending 0 77 db close 78 catch {file delete -force test.db} 79 catch {file delete -force test.db-journal} 80 sqlite db test.db 81 execsql { 82 BEGIN; 83 CREATE TABLE t1(a, b, c); 84 INSERT INTO t1 VALUES(1, randstr(5,50), randstr(5,50)); 85 INSERT INTO t1 SELECT a+2, b||'-'||rowid, c||'-'||rowid FROM t1; 86 INSERT INTO t1 SELECT a+4, b||'-'||rowid, c||'-'||rowid FROM t1; 87 INSERT INTO t1 SELECT a+8, b||'-'||rowid, c||'-'||rowid FROM t1; 88 INSERT INTO t1 SELECT a+16, b||'-'||rowid, c||'-'||rowid FROM t1; 89 INSERT INTO t1 SELECT a+32, b||'-'||rowid, c||'-'||rowid FROM t1; 90 INSERT INTO t1 SELECT a+64, b||'-'||rowid, c||'-'||rowid FROM t1; 91 INSERT INTO t1 SELECT a+128, b||'-'||rowid, c||'-'||rowid FROM t1; 92 CREATE TABLE t2 AS SELECT * FROM t1; 93 CREATE TABLE t3 AS SELECT * FROM t1; 94 COMMIT; 95 DROP TABLE t2; 96 } 97 set ::cksum [cksum] 98 execsql { 99 SELECT name FROM sqlite_master WHERE type='table' 100 } 101 } {t1 t3} 102 do_test ioerr-2.$n.2 [subst { 103 set ::sqlite_io_error_pending $n 104 }] $n 105 do_test ioerr-2.$n.3 { 106 set r [catch {db eval { 107 VACUUM; 108 }} msg] 109 # puts "error_pending=$::sqlite_io_error_pending" 110 # if {$r} {puts $msg} 111 set ::go [expr {$::sqlite_io_error_pending<=0}] 112 expr {$::sqlite_io_error_pending>0 || $r!=0} 113 set ::sqlite_io_error_pending 0 114 db close 115 sqlite db test.db 116 cksum 117 } $cksum 118} 119set ::sqlite_io_error_pending 0 120 121finish_test 122