| Index: third_party/sqlite/src/test/manydb.test
|
| diff --git a/third_party/sqlite/src/test/manydb.test b/third_party/sqlite/src/test/manydb.test
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..b9a8eaf8d49bcf8d76aac35851a4d91073cbb4cb
|
| --- /dev/null
|
| +++ b/third_party/sqlite/src/test/manydb.test
|
| @@ -0,0 +1,102 @@
|
| +# 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 1.4 2008/11/21 00:10:35 aswift Exp $
|
| +
|
| +set testdir [file dirname $argv0]
|
| +source $testdir/tester.tcl
|
| +
|
| +set N 300
|
| +# if we're using proxy locks, we use 5 filedescriptors for a db
|
| +# that is open and in the middle of writing changes, normally
|
| +# sqlite uses 3 (proxy locking adds the conch and the local lock)
|
| +set using_proxy 0
|
| +foreach {name value} [array get env SQLITE_FORCE_PROXY_LOCKING] {
|
| + set using_proxy value
|
| +}
|
| +set num_fd_per_openwrite_db 3
|
| +if {$using_proxy>0} {
|
| + set num_fd_per_openwrite_db 5
|
| +}
|
| +
|
| +# 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 / $num_fd_per_openwrite_db]
|
| +
|
| +# Create a bunch of random database names
|
| +#
|
| +unset -nocomplain dbname
|
| +unset -nocomplain used
|
| +for {set i 0} {$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
|
|
|