1 2#pragma ident "%Z%%M% %I% %E% SMI" 3 4# 2001 October 12 5# 6# The author disclaims copyright to this source code. In place of 7# a legal notice, here is a blessing: 8# 9# May you do good and not evil. 10# May you find forgiveness for yourself and forgive others. 11# May you share freely, never taking more than you give. 12# 13#*********************************************************************** 14# This file implements regression tests for SQLite library. The 15# focus of this file is testing for correct handling of I/O errors 16# such as writes failing because the disk is full. 17# 18# The tests in this file use special facilities that are only 19# available in the SQLite test fixture. 20# 21# $Id: ioerr.test,v 1.3 2003/04/25 15:37:59 drh Exp $ 22 23set testdir [file dirname $argv0] 24source $testdir/tester.tcl 25 26set ::go 1 27for {set n 1} {$go} {incr n} { 28 do_test ioerr-1.$n.1 { 29 set ::sqlite_io_error_pending 0 30 db close 31 catch {file delete -force test.db} 32 catch {file delete -force test.db-journal} 33 sqlite db test.db 34 execsql {SELECT * FROM sqlite_master} 35 } {} 36 do_test ioerr-1.$n.2 [subst { 37 set ::sqlite_io_error_pending $n 38 }] $n 39 do_test ioerr-1.$n.3 { 40 set r [catch {db eval { 41 CREATE TABLE t1(a,b,c); 42 SELECT * FROM sqlite_master; 43 BEGIN TRANSACTION; 44 INSERT INTO t1 VALUES(1,2,3); 45 INSERT INTO t1 VALUES(4,5,6); 46 ROLLBACK; 47 SELECT * FROM t1; 48 BEGIN TRANSACTION; 49 INSERT INTO t1 VALUES(1,2,3); 50 INSERT INTO t1 VALUES(4,5,6); 51 COMMIT; 52 SELECT * FROM t1; 53 DELETE FROM t1 WHERE a<100; 54 }} msg] 55 # if {$r} {puts $msg} 56 set ::go [expr {$::sqlite_io_error_pending<=0}] 57 expr {$::sqlite_io_error_pending>0 || $r!=0} 58 } {1} 59} 60set ::sqlite_io_error_pending 0 61 62proc cksum {{db db}} { 63 set txt [$db eval {SELECT name, type, sql FROM sqlite_master}]\n 64 foreach tbl [$db eval {SELECT name FROM sqlite_master WHERE type='table'}] { 65 append txt [$db eval "SELECT * FROM $tbl"]\n 66 } 67 foreach prag {default_synchronous default_cache_size} { 68 append txt $prag-[$db eval "PRAGMA $prag"]\n 69 } 70 set cksum [string length $txt]-[md5 $txt] 71 # puts $cksum-[file size test.db] 72 return $cksum 73} 74 75set ::go 1 76for {set n 1} {$go} {incr n} { 77 do_test ioerr-2.$n.1 { 78 set ::sqlite_io_error_pending 0 79 db close 80 catch {file delete -force test.db} 81 catch {file delete -force test.db-journal} 82 sqlite db test.db 83 execsql { 84 BEGIN; 85 CREATE TABLE t1(a, b, c); 86 INSERT INTO t1 VALUES(1, randstr(5,50), randstr(5,50)); 87 INSERT INTO t1 SELECT a+2, b||'-'||rowid, c||'-'||rowid FROM t1; 88 INSERT INTO t1 SELECT a+4, b||'-'||rowid, c||'-'||rowid FROM t1; 89 INSERT INTO t1 SELECT a+8, b||'-'||rowid, c||'-'||rowid FROM t1; 90 INSERT INTO t1 SELECT a+16, b||'-'||rowid, c||'-'||rowid FROM t1; 91 INSERT INTO t1 SELECT a+32, b||'-'||rowid, c||'-'||rowid FROM t1; 92 INSERT INTO t1 SELECT a+64, b||'-'||rowid, c||'-'||rowid FROM t1; 93 INSERT INTO t1 SELECT a+128, b||'-'||rowid, c||'-'||rowid FROM t1; 94 CREATE TABLE t2 AS SELECT * FROM t1; 95 CREATE TABLE t3 AS SELECT * FROM t1; 96 COMMIT; 97 DROP TABLE t2; 98 } 99 set ::cksum [cksum] 100 execsql { 101 SELECT name FROM sqlite_master WHERE type='table' 102 } 103 } {t1 t3} 104 do_test ioerr-2.$n.2 [subst { 105 set ::sqlite_io_error_pending $n 106 }] $n 107 do_test ioerr-2.$n.3 { 108 set r [catch {db eval { 109 VACUUM; 110 }} msg] 111 # puts "error_pending=$::sqlite_io_error_pending" 112 # if {$r} {puts $msg} 113 set ::go [expr {$::sqlite_io_error_pending<=0}] 114 expr {$::sqlite_io_error_pending>0 || $r!=0} 115 set ::sqlite_io_error_pending 0 116 db close 117 sqlite db test.db 118 cksum 119 } $cksum 120} 121set ::sqlite_io_error_pending 0 122 123finish_test 124