--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/security/mscapi/NullKey.java	Thu Jun 13 23:53:21 2019 +0800
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.security.InvalidKeyException;
+import java.security.PublicKey;
+import java.security.Signature;
+import java.util.List;
+
+/**
+ * @test
+ * @bug 8225180
+ * @requires os.family == "windows"
+ * @summary SunMSCAPI Signature should throw InvalidKeyException when
+ *          initialized with a null key
+ */
+
+public class NullKey {
+    public static void main(String[] args) throws Exception {
+        for (String alg : List.of(
+                "SHA256withRSA", "SHA256withECDSA", "RSASSA-PSS")) {
+            Signature sig = Signature.getInstance(alg, "SunMSCAPI");
+            try {
+                sig.initSign(null);
+            } catch (InvalidKeyException e) {
+                // Expected
+            }
+            try {
+                sig.initVerify((PublicKey)null);
+            } catch (InvalidKeyException e) {
+                // Expected
+            }
+        }
+    }
+}