1# 2002 November 30 2# 3# The author disclaims copyright to this source code. In place of 4# a legal notice, here is a blessing: 5# 6# May you do good and not evil. 7# May you find forgiveness for yourself and forgive others. 8# May you share freely, never taking more than you give. 9# 10#*********************************************************************** 11# This file implements regression tests for SQLite library. The 12# focus of this script testing the ability of SQLite to handle database 13# files larger than 4GB. 14# 15# $Id: bigfile.test,v 1.12 2009/03/05 04:27:08 shane Exp $ 16# 17 18if {[file exists skip-big-file]} return 19if {$tcl_platform(os)=="Darwin"} return 20 21set testdir [file dirname $argv0] 22source $testdir/tester.tcl 23 24# Do not use a codec for this file, as the database is manipulated using 25# external methods (the [fake_big_file] and [hexio_write] commands). 26# 27do_not_use_codec 28 29# If SQLITE_DISABLE_LFS is defined, omit this file. 30ifcapable !lfs { 31 finish_test 32 return 33} 34 35# These tests only work for Tcl version 8.4 and later. Prior to 8.4, 36# Tcl was unable to handle large files. 37# 38scan $::tcl_version %f vx 39if {$vx<8.4} return 40 41# Mac OS X does not handle large files efficiently. So skip this test 42# on that platform. 43if {$tcl_platform(os)=="Darwin"} return 44 45# This is the md5 checksum of all the data in table t1 as created 46# by the first test. We will use this number to make sure that data 47# never changes. 48# 49set MAGIC_SUM {593f1efcfdbe698c28b4b1b693f7e4cf} 50 51do_test bigfile-1.1 { 52 execsql { 53 BEGIN; 54 CREATE TABLE t1(x); 55 INSERT INTO t1 VALUES('abcdefghijklmnopqrstuvwxyz'); 56 INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; 57 INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; 58 INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; 59 INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; 60 INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; 61 INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; 62 INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; 63 COMMIT; 64 } 65 execsql { 66 SELECT md5sum(x) FROM t1; 67 } 68} $::MAGIC_SUM 69 70# Try to create a large file - a file that is larger than 2^32 bytes. 71# If this fails, it means that the system being tested does not support 72# large files. So skip all of the remaining tests in this file. 73# 74db close 75if {[catch {fake_big_file 4096 [get_pwd]/test.db} msg]} { 76 puts "**** Unable to create a file larger than 4096 MB. *****" 77 finish_test 78 return 79} 80hexio_write test.db 28 00000000 81 82do_test bigfile-1.2 { 83 sqlite3 db test.db 84 execsql { 85 SELECT md5sum(x) FROM t1; 86 } 87} $::MAGIC_SUM 88 89# The previous test may fail on some systems because they are unable 90# to handle large files. If that is so, then skip all of the following 91# tests. We will know the above test failed because the "db" command 92# does not exist. 93# 94if {[llength [info command db]]<=0} { 95 puts "**** Large file support appears to be broken. *****" 96 finish_test 97 return 98} 99 100do_test bigfile-1.3 { 101 execsql { 102 CREATE TABLE t2 AS SELECT * FROM t1; 103 SELECT md5sum(x) FROM t2; 104 } 105} $::MAGIC_SUM 106do_test bigfile-1.4 { 107 db close 108 sqlite3 db test.db 109 execsql { 110 SELECT md5sum(x) FROM t1; 111 } 112} $::MAGIC_SUM 113 114db close 115if {[catch {fake_big_file 8192 [get_pwd]/test.db}]} { 116 puts "**** Unable to create a file larger than 8192 MB. *****" 117 finish_test 118 return 119} 120hexio_write test.db 28 00000000 121 122do_test bigfile-1.5 { 123 sqlite3 db test.db 124 execsql { 125 SELECT md5sum(x) FROM t1; 126 } 127} $::MAGIC_SUM 128do_test bigfile-1.6 { 129 sqlite3 db test.db 130 execsql { 131 SELECT md5sum(x) FROM t2; 132 } 133} $::MAGIC_SUM 134do_test bigfile-1.7 { 135 execsql { 136 CREATE TABLE t3 AS SELECT * FROM t1; 137 SELECT md5sum(x) FROM t3; 138 } 139} $::MAGIC_SUM 140do_test bigfile-1.8 { 141 db close 142 sqlite3 db test.db 143 execsql { 144 SELECT md5sum(x) FROM t1; 145 } 146} $::MAGIC_SUM 147do_test bigfile-1.9 { 148 execsql { 149 SELECT md5sum(x) FROM t2; 150 } 151} $::MAGIC_SUM 152 153db close 154if {[catch {fake_big_file 16384 [get_pwd]/test.db}]} { 155 puts "**** Unable to create a file larger than 16384 MB. *****" 156 finish_test 157 return 158} 159hexio_write test.db 28 00000000 160 161do_test bigfile-1.10 { 162 sqlite3 db test.db 163 execsql { 164 SELECT md5sum(x) FROM t1; 165 } 166} $::MAGIC_SUM 167do_test bigfile-1.11 { 168 sqlite3 db test.db 169 execsql { 170 SELECT md5sum(x) FROM t2; 171 } 172} $::MAGIC_SUM 173do_test bigfile-1.12 { 174 sqlite3 db test.db 175 execsql { 176 SELECT md5sum(x) FROM t3; 177 } 178} $::MAGIC_SUM 179do_test bigfile-1.13 { 180 execsql { 181 CREATE TABLE t4 AS SELECT * FROM t1; 182 SELECT md5sum(x) FROM t4; 183 } 184} $::MAGIC_SUM 185do_test bigfile-1.14 { 186 db close 187 sqlite3 db test.db 188 execsql { 189 SELECT md5sum(x) FROM t1; 190 } 191} $::MAGIC_SUM 192do_test bigfile-1.15 { 193 execsql { 194 SELECT md5sum(x) FROM t2; 195 } 196} $::MAGIC_SUM 197do_test bigfile-1.16 { 198 execsql { 199 SELECT md5sum(x) FROM t3; 200 } 201} $::MAGIC_SUM 202 203finish_test 204