mirror of https://github.com/sqlite/sqlite
92 lines
1.9 KiB
Plaintext
92 lines
1.9 KiB
Plaintext
# 2005 October 3
|
|
#
|
|
# 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.
|
|
#
|
|
# This file implements tests the ability of the library to open
|
|
# many different databases at the same time without leaking memory.
|
|
#
|
|
# $Id: manydb.test,v 1.3 2006/01/11 01:08:34 drh Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
set N 300
|
|
|
|
# First test how many file descriptors are available for use. To open a
|
|
# database for writing SQLite requires 3 file descriptors (the database, the
|
|
# journal and the directory).
|
|
set filehandles {}
|
|
catch {
|
|
for {set i 0} {$i<($N * 3)} {incr i} {
|
|
lappend filehandles [open testfile.1 w]
|
|
}
|
|
}
|
|
foreach fd $filehandles {
|
|
close $fd
|
|
}
|
|
catch {
|
|
file delete -force testfile.1
|
|
}
|
|
set N [expr $i / 3]
|
|
|
|
# Create a bunch of random database names
|
|
#
|
|
unset -nocomplain dbname
|
|
unset -nocomplain used
|
|
for {set i 0} {$i<$N} {incr i} {
|
|
while 1 {
|
|
set name test-[format %08x [expr {int(rand()*0x7fffffff)}]].db
|
|
if {[info exists used($name)]} continue
|
|
set dbname($i) $name
|
|
set used($name) $i
|
|
break
|
|
}
|
|
}
|
|
|
|
# Create a bunch of databases
|
|
#
|
|
for {set i 0} {$i<$N} {incr i} {
|
|
do_test manydb-1.$i {
|
|
sqlite3 db$i $dbname($i)
|
|
execsql {
|
|
CREATE TABLE t1(a,b);
|
|
BEGIN;
|
|
INSERT INTO t1 VALUES(1,2);
|
|
} db$i
|
|
} {}
|
|
}
|
|
|
|
# Finish the transactions
|
|
#
|
|
for {set i 0} {$i<$N} {incr i} {
|
|
do_test manydb-2.$i {
|
|
execsql {
|
|
COMMIT;
|
|
SELECT * FROM t1;
|
|
} db$i
|
|
} {1 2}
|
|
}
|
|
|
|
|
|
# Close the databases and erase the files.
|
|
#
|
|
for {set i 0} {$i<$N} {incr i} {
|
|
do_test manydb-3.$i {
|
|
db$i close
|
|
file delete -force $dbname($i)
|
|
} {}
|
|
}
|
|
|
|
|
|
|
|
|
|
finish_test
|