diff -r 000000000000 -r bde4ae8d615e os/persistentdata/persistentstorage/sqlite3api/TEST/TclScript/tkt1873.test
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/persistentdata/persistentstorage/sqlite3api/TEST/TclScript/tkt1873.test	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,72 @@
+# 2006 June 27
+#
+# 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 to verify that ticket #1873 has been
+# fixed.  
+#
+#
+# $Id: tkt1873.test,v 1.2 2007/10/09 08:29:33 danielk1977 Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable !attach {
+  finish_test
+  return
+}
+
+file delete -force test2.db test2.db-journal
+
+do_test tkt1873-1.1 {
+  execsql {
+    CREATE TABLE t1(x, y);
+    ATTACH 'test2.db' AS aux;
+    CREATE TABLE aux.t2(x, y);
+    INSERT INTO t1 VALUES(1, 2);
+    INSERT INTO t1 VALUES(3, 4);
+    INSERT INTO t2 VALUES(5, 6);
+    INSERT INTO t2 VALUES(7, 8);
+  }
+} {}
+
+do_test tkt1873-1.2 {
+  set rc [catch {
+    db eval {SELECT * FROM t2 LIMIT 1} {
+      db eval {DETACH aux}
+    }
+  } msg]
+  list $rc $msg
+} {1 {database aux is locked}}
+
+do_test tkt1873-1.3 {
+  set rc [catch {
+    db eval {SELECT * FROM t1 LIMIT 1} {
+      db eval {DETACH aux}
+    }
+  } msg]
+  list $rc $msg
+} {0 {}}
+
+do_test tkt1873-1.4 {
+  catchsql {
+    select * from t2;
+  }
+} {1 {no such table: t2}}
+
+do_test tkt1873-1.5 {
+  catchsql {
+    ATTACH 'test2.db' AS aux;
+    select * from t2;
+  }
+} {0 {5 6 7 8}}
+
+finish_test