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diff --git a/test/java/security/Signature/TestInitSignWithMyOwnRandom.java b/test/java/security/Signature/TestInitSignWithMyOwnRandom.java
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+/*
+ * Copyright 2002-2003 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 4716321
+ * @summary Ensure the random source supplied in
+ * Signature.initSign(PrivateKey, SecureRandom) is used.
+ */
+import java.security.*;
+
+public class TestInitSignWithMyOwnRandom {
+
+    public static void main(String[] argv) throws Exception {
+        // any signature implementation will do as long as
+        // it needs a random source
+        Provider p = Security.getProvider("SUN");
+        KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA", p);
+        kpg.initialize(512);
+        KeyPair kp = kpg.generateKeyPair();
+        TestRandomSource rand = new TestRandomSource();
+        Signature sig = Signature.getInstance("DSA", p);
+        sig.initSign(kp.getPrivate(), rand);
+        sig.update(new byte[20]);
+        sig.sign();
+        if (rand.isUsed()) {
+            System.out.println("Custom random source is used.");
+        } else {
+            throw new Exception("Custom random source is not used");
+        }
+    }
+}
+
+class TestRandomSource extends SecureRandom {
+
+    int count = 0;
+
+    public int nextInt() {
+        count++;
+        return 0;
+    }
+
+    public boolean isUsed() {
+        return (count != 0);
+    }
+}