Index: third_party/sqlite/sqlite-src-3070603/test/manydb.test |
diff --git a/third_party/sqlite/sqlite-src-3070603/test/manydb.test b/third_party/sqlite/sqlite-src-3070603/test/manydb.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..b9a8eaf8d49bcf8d76aac35851a4d91073cbb4cb |
--- /dev/null |
+++ b/third_party/sqlite/sqlite-src-3070603/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 |