--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/math/BigInteger/OperatorNpeTests.java	Mon Jan 26 19:49:26 2009 -0800
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2006 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 6365176
+ * @summary Get NullPointerExceptions when expected
+ * @author Joseph D. Darcy
+ */
+
+import java.math.*;
+import static java.math.BigInteger.*;
+
+public class OperatorNpeTests {
+
+    public static void main(String... argv) {
+        BigInteger[] specialValues = {ZERO, ONE, TEN};
+
+        for (BigInteger bd : specialValues) {
+            BigInteger result;
+            try {
+                result = bd.multiply(null);
+                throw new RuntimeException("Instead of NPE got " + result);
+            } catch (NullPointerException npe) {
+                ; // Expected
+            }
+
+            try {
+                result = bd.divide(null);
+                throw new RuntimeException("Instead of NPE got " + result);
+            } catch (NullPointerException npe) {
+                ; // Expected
+            }
+
+            try {
+                result = bd.add(null);
+                throw new RuntimeException("Instead of NPE got " + result);
+            } catch (NullPointerException npe) {
+                ; // Expected
+            }
+
+            try {
+                result = bd.subtract(null);
+                throw new RuntimeException("Instead of NPE got " + result);
+            } catch (NullPointerException npe) {
+                ; // Expected
+            }
+
+
+        }
+    }
+}