# 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 1.5 2004/06/19 00:16:31 drh Exp $ # set testdir [file dirname $argv0] source $testdir/tester.tcl # 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 # 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 test.db}]} { puts "**** Unable to create a file larger than 4096 MB. *****" finish_test return } 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} { 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 do_test bigfile-1.5 { execsql { SELECT md5sum(x) FROM t2; } } $::MAGIC_SUM db close if {[catch {fake_big_file 8192 test.db}]} { puts "**** Unable to create a file larger than 8192 MB. *****" finish_test return } do_test bigfile-1.6 { sqlite3 db test.db execsql { SELECT md5sum(x) FROM t1; } } $::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 do_test bigfile-1.10 { execsql { SELECT md5sum(x) FROM t3; } } $::MAGIC_SUM db close if {[catch {fake_big_file 16384 test.db}]} { puts "**** Unable to create a file larger than 16384 MB. *****" finish_test return } do_test bigfile-1.11 { sqlite3 db test.db execsql { SELECT md5sum(x) FROM t1; } } $::MAGIC_SUM do_test bigfile-1.12 { execsql { CREATE TABLE t4 AS SELECT * FROM t1; SELECT md5sum(x) FROM t4; } } $::MAGIC_SUM do_test bigfile-1.13 { db close sqlite3 db test.db execsql { SELECT md5sum(x) FROM t1; } } $::MAGIC_SUM do_test bigfile-1.14 { execsql { SELECT md5sum(x) FROM t2; } } $::MAGIC_SUM do_test bigfile-1.15 { execsql { SELECT md5sum(x) FROM t3; } } $::MAGIC_SUM do_test bigfile-1.16 { execsql { SELECT md5sum(x) FROM t3; } } $::MAGIC_SUM } ;# End of the "if( db command exists )" finish_test