sl@0: # 2002 November 30
sl@0: #
sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: # This file implements regression tests for SQLite library.  The
sl@0: # focus of this script testing the ability of SQLite to handle database
sl@0: # files larger than 4GB.
sl@0: #
sl@0: # $Id: bigfile.test,v 1.10 2007/08/18 10:59:21 danielk1977 Exp $
sl@0: #
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: 
sl@0: # If SQLITE_DISABLE_LFS is defined, omit this file.
sl@0: ifcapable !lfs {
sl@0:   finish_test
sl@0:   return
sl@0: }
sl@0: 
sl@0: # These tests only work for Tcl version 8.4 and later.  Prior to 8.4,
sl@0: # Tcl was unable to handle large files.
sl@0: #
sl@0: scan $::tcl_version %f vx
sl@0: if {$vx<8.4} return
sl@0: 
sl@0: # Mac OS X does not handle large files efficiently.  So skip this test
sl@0: # on that platform.
sl@0: if {$tcl_platform(os)=="Darwin"} return
sl@0: 
sl@0: # This is the md5 checksum of all the data in table t1 as created
sl@0: # by the first test.  We will use this number to make sure that data
sl@0: # never changes.
sl@0: #
sl@0: set MAGIC_SUM {593f1efcfdbe698c28b4b1b693f7e4cf}
sl@0: 
sl@0: do_test bigfile-1.1 {
sl@0:   execsql {
sl@0:     BEGIN;
sl@0:     CREATE TABLE t1(x);
sl@0:     INSERT INTO t1 VALUES('abcdefghijklmnopqrstuvwxyz');
sl@0:     INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
sl@0:     INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
sl@0:     INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
sl@0:     INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
sl@0:     INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
sl@0:     INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
sl@0:     INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
sl@0:     COMMIT;
sl@0:   }
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t1;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: 
sl@0: # Try to create a large file - a file that is larger than 2^32 bytes.
sl@0: # If this fails, it means that the system being tested does not support
sl@0: # large files.  So skip all of the remaining tests in this file.
sl@0: #
sl@0: db close
sl@0: if {[catch {fake_big_file 4096 test.db} msg]} {
sl@0:   puts "**** Unable to create a file larger than 4096 MB. *****"
sl@0:   puts "$msg"
sl@0:   finish_test
sl@0:   return
sl@0: }
sl@0: 
sl@0: do_test bigfile-1.2 {
sl@0:   sqlite3 db test.db
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t1;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: 
sl@0: # The previous test may fail on some systems because they are unable
sl@0: # to handle large files.  If that is so, then skip all of the following
sl@0: # tests.  We will know the above test failed because the "db" command
sl@0: # does not exist.
sl@0: #
sl@0: if {[llength [info command db]]>0} {
sl@0: 
sl@0: do_test bigfile-1.3 {
sl@0:   execsql {
sl@0:     CREATE TABLE t2 AS SELECT * FROM t1;
sl@0:     SELECT md5sum(x) FROM t2;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: do_test bigfile-1.4 {
sl@0:   db close
sl@0:   sqlite3 db test.db
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t1;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: do_test bigfile-1.5 {
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t2;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: 
sl@0: db close
sl@0: if {[catch {fake_big_file 8192 test.db}]} {
sl@0:   puts "**** Unable to create a file larger than 8192 MB. *****"
sl@0:   finish_test
sl@0:   return
sl@0: }
sl@0: 
sl@0: do_test bigfile-1.6 {
sl@0:   sqlite3 db test.db
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t1;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: do_test bigfile-1.7 {
sl@0:   execsql {
sl@0:     CREATE TABLE t3 AS SELECT * FROM t1;
sl@0:     SELECT md5sum(x) FROM t3;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: do_test bigfile-1.8 {
sl@0:   db close
sl@0:   sqlite3 db test.db
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t1;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: do_test bigfile-1.9 {
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t2;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: do_test bigfile-1.10 {
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t3;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: 
sl@0: db close
sl@0: if {[catch {fake_big_file 16384 test.db}]} {
sl@0:   puts "**** Unable to create a file larger than 16384 MB. *****"
sl@0:   finish_test
sl@0:   return
sl@0: }
sl@0: 
sl@0: do_test bigfile-1.11 {
sl@0:   sqlite3 db test.db
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t1;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: do_test bigfile-1.12 {
sl@0:   execsql {
sl@0:     CREATE TABLE t4 AS SELECT * FROM t1;
sl@0:     SELECT md5sum(x) FROM t4;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: do_test bigfile-1.13 {
sl@0:   db close
sl@0:   sqlite3 db test.db
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t1;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: do_test bigfile-1.14 {
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t2;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: do_test bigfile-1.15 {
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t3;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: do_test bigfile-1.16 {
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t3;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: do_test bigfile-1.17 {
sl@0:   execsql {
sl@0:     SELECT md5sum(x) FROM t4;
sl@0:   }
sl@0: } $::MAGIC_SUM
sl@0: 
sl@0: } ;# End of the "if( db command exists )"
sl@0: 
sl@0: finish_test