63 lines
1.6 KiB
Plaintext
63 lines
1.6 KiB
Plaintext
|
# 2011 December 20
|
||
|
|
#
|
||
|
|
# 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.
|
||
|
|
#
|
||
|
|
|
||
|
|
if {[file exists skip-big-file]} return
|
||
|
|
if {$tcl_platform(os)=="Darwin"} return
|
||
|
|
|
||
|
|
set testdir [file dirname $argv0]
|
||
|
|
source $testdir/tester.tcl
|
||
|
|
set testprefix bigfile2
|
||
|
|
|
||
|
|
# Create a small database.
|
||
|
|
#
|
||
|
|
do_execsql_test 1.1 {
|
||
|
|
CREATE TABLE t1(a, b);
|
||
|
|
INSERT INTO t1 VALUES(1, 2);
|
||
|
|
}
|
||
|
|
|
||
|
|
# Pad the file out to 4GB in size. Then clear the file-size field in the
|
||
|
|
# db header. This will cause SQLite to assume that the first 4GB of pages
|
||
|
|
# are actually in use and new pages will be appended to the file.
|
||
|
|
#
|
||
|
|
db close
|
||
|
|
if {[catch {fake_big_file 4096 [get_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 1.2 {
|
||
|
|
file size test.db
|
||
|
|
} [expr 14 + 4096 * (1<<20)]
|
||
|
|
|
||
|
|
# Now insert a large row. The overflow pages will be located past the 4GB
|
||
|
|
# boundary. Then, after opening and closing the database, test that the row
|
||
|
|
# can be read back in.
|
||
|
|
#
|
||
|
|
set str [string repeat k 30000]
|
||
|
|
do_test 1.3 {
|
||
|
|
sqlite3 db test.db
|
||
|
|
execsql { INSERT INTO t1 VALUES(3, $str) }
|
||
|
|
db close
|
||
|
|
sqlite3 db test.db
|
||
|
|
db one { SELECT b FROM t1 WHERE a = 3 }
|
||
|
|
} $str
|
||
|
|
|
||
|
|
db close
|
||
|
|
delete_file test.db
|
||
|
|
|
||
|
|
finish_test
|