From 7bb481fda9ecb134804b49c2ce77ca28f7eea583 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <hans@eds.org>
Date: Fri, 30 Mar 2012 20:42:12 -0400
Subject: Imported Upstream version 2.0.3

---
 test/manydb.test | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 test/manydb.test

(limited to 'test/manydb.test')

diff --git a/test/manydb.test b/test/manydb.test
new file mode 100644
index 0000000..974a5b8
--- /dev/null
+++ b/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 {
+  forcedelete 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
+    forcedelete $dbname($i)
+  } {}
+}
+
+
+
+
+finish_test
-- 
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