--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/security/Security/NoInstalledProviders.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,46 @@
+/*
+ * Copyright 1999 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 4273454
+ * @summary Make sure getProviders(filter) doesn't throw NPE
+ */
+
+import java.security.*;
+
+public class NoInstalledProviders {
+
+    public static void main(String[] argv) {
+
+        Provider[] provs = Security.getProviders();
+        // make sure there are no providers in the system
+        for(int i = 0; i < provs.length; i++ ) {
+            Security.removeProvider( provs[i].getName());
+        }
+
+        String filter = "Signature.SHA1withDSA";
+
+        provs = Security.getProviders(filter);
+    }
+}