# 2002 November 30 # # 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. # #*********************************************************************** # This file implements regression tests for SQLite library. The # focus of this script testing the ability of SQLite to handle database # files larger than 4GB. # # $Id: bigfile.test,v 1.12 2009/03/05 04:27:08 shane Exp $ # if {[file exists skip-big-file]} return set testdir [file dirname $argv0] source $testdir/tester.tcl # Do not use a codec for this file, as the database is manipulated using # external methods (the [fake_big_file] and [hexio_write] commands). # do_not_use_codec # If SQLITE_DISABLE_LFS is defined, omit this file. ifcapable !lfs { finish_test return } # These tests only work for Tcl version 8.4 and later. Prior to 8.4, # Tcl was unable to handle large files. # scan $::tcl_version %f vx if {$vx<8.4} return # Mac OS X does not handle large files efficiently. So skip this test # on that platform. if {$tcl_platform(os)=="Darwin"} return # This is the md5 checksum of all the data in table t1 as created # by the first test. We will use this number to make sure that data # never changes. # set MAGIC_SUM {593f1efcfdbe698c28b4b1b693f7e4cf} do_test bigfile-1.1 { execsql { BEGIN; CREATE TABLE t1(x); INSERT INTO t1 VALUES('abcdefghijklmnopqrstuvwxyz'); INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; INSERT INTO t1 SELECT rowid || ' ' || x FROM t1; COMMIT; } execsql { SELECT md5sum(x) FROM t1; } } $::MAGIC_SUM # Try to create a large file - a file that is larger than 2^32 bytes. # If this fails, it means that the system being tested does not support # large files. So skip all of the remaining tests in this file. # db close if {[catch {fake_big_file 4096 [pwd]/test.db} msg]} { puts "**** Unable to create a file larger than 4096 MB. *****" finish_test return } hexio_write test.db 28 00000000 do_test bigfile-1.2 { sqlite3 db test.db execsql { SELECT md5sum(x) FROM t1; } } $::MAGIC_SUM # The previous test may fail on some systems because they are unable # to handle large files. If that is so, then skip all of the following # tests. We will know the above test failed because the "db" command # does not exist. # if {[llength [info command db]]<=0} { puts "**** Large file support appears to be broken. *****" finish_test return } do_test bigfile-1.3 { execsql { CREATE TABLE t2 AS SELECT * FROM t1; SELECT md5sum(x) FROM t2; } } $::MAGIC_SUM do_test bigfile-1.4 { db close sqlite3 db test.db execsql { SELECT md5sum(x) FROM t1; } } $::MAGIC_SUM db close if {[catch {fake_big_file 8192 [pwd]/test.db}]} { puts "**** Unable to create a file larger than 8192 MB. *****" finish_test return } hexio_write test.db 28 00000000 do_test bigfile-1.5 { sqlite3 db test.db execsql { SELECT md5sum(x) FROM t1; } } $::MAGIC_SUM do_test bigfile-1.6 { sqlite3 db test.db execsql { SELECT md5sum(x) FROM t2; } } $::MAGIC_SUM do_test bigfile-1.7 { execsql { CREATE TABLE t3 AS SELECT * FROM t1; SELECT md5sum(x) FROM t3; } } $::MAGIC_SUM do_test bigfile-1.8 { db close sqlite3 db test.db execsql { SELECT md5sum(x) FROM t1; } } $::MAGIC_SUM do_test bigfile-1.9 { execsql { SELECT md5sum(x) FROM t2; } } $::MAGIC_SUM db close if {[catch {fake_big_file 16384 [pwd]/test.db}]} { puts "**** Unable to create a file larger than 16384 MB. *****" finish_test return } hexio_write test.db 28 00000000 do_test bigfile-1.10 { sqlite3 db test.db execsql { SELECT md5sum(x) FROM t1; } } $::MAGIC_SUM do_test bigfile-1.11 { sqlite3 db test.db execsql { SELECT md5sum(x) FROM t2; } } $::MAGIC_SUM do_test bigfile-1.12 { sqlite3 db test.db execsql { SELECT md5sum(x) FROM t3; } } $::MAGIC_SUM do_test bigfile-1.13 { execsql { CREATE TABLE t4 AS SELECT * FROM t1; SELECT md5sum(x) FROM t4; } } $::MAGIC_SUM do_test bigfile-1.14 { db close sqlite3 db test.db execsql { SELECT md5sum(x) FROM t1; } } $::MAGIC_SUM do_test bigfile-1.15 { execsql { SELECT md5sum(x) FROM t2; } } $::MAGIC_SUM do_test bigfile-1.16 { execsql { SELECT md5sum(x) FROM t3; } } $::MAGIC_SUM finish_test