| Index: third_party/sqlite/src/test/sharedlock.test
|
| diff --git a/third_party/sqlite/src/test/sharedlock.test b/third_party/sqlite/src/test/sharedlock.test
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..1e78eeafdf936256185197764a3c99fb69f60103
|
| --- /dev/null
|
| +++ b/third_party/sqlite/src/test/sharedlock.test
|
| @@ -0,0 +1,55 @@
|
| +# 2009 July 2
|
| +#
|
| +# 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.
|
| +#
|
| +#***********************************************************************
|
| +#
|
| +# $Id: sharedlock.test,v 1.1 2009/07/02 17:21:58 danielk1977 Exp $
|
| +
|
| +set testdir [file dirname $argv0]
|
| +source $testdir/tester.tcl
|
| +db close
|
| +
|
| +ifcapable !shared_cache {
|
| + finish_test
|
| + return
|
| +}
|
| +
|
| +set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
|
| +sqlite3 db test.db
|
| +sqlite3 db2 test.db
|
| +
|
| +do_test sharedlock-1.1 {
|
| + execsql {
|
| + CREATE TABLE t1(a, b);
|
| + INSERT INTO t1 VALUES(1, 'one');
|
| + INSERT INTO t1 VALUES(2, 'two');
|
| + }
|
| +} {}
|
| +
|
| +do_test sharedlock-1.2 {
|
| + set res [list]
|
| + db eval { SELECT * FROM t1 ORDER BY rowid } {
|
| + lappend res $a $b
|
| + if {$a == 1} { catch { db eval "INSERT INTO t1 VALUES(3, 'three')" } }
|
| +
|
| + # This should fail. Connection [db] has a read-lock on t1, which should
|
| + # prevent connection [db2] from obtaining the write-lock it needs to
|
| + # modify t1. At one point there was a bug causing the previous INSERT
|
| + # to drop the read-lock belonging to [db].
|
| + if {$a == 2} { catch { db2 eval "INSERT INTO t1 VALUES(4, 'four')" } }
|
| + }
|
| + set res
|
| +} {1 one 2 two 3 three}
|
| +
|
| +db close
|
| +db2 close
|
| +
|
| +sqlite3_enable_shared_cache $::enable_shared_cache
|
| +finish_test
|
| +
|
|
|