--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/Nestmates/privateConstructors/TestJNI.java	Sat Jun 23 01:32:41 2018 -0400
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2018, 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.
+ */
+
+/*
+ * @test
+ * @bug 8046171
+ * @summary Test JNI access to private constructors between nestmates and nest-host
+ *          using different flavours of named nested types using core reflection
+ * @compile ../NestmatesJNI.java
+ * @run main/othervm/native TestJNI
+ * @run main/othervm/native -Xcheck:jni TestJNI
+ */
+public class TestJNI {
+
+    // Unlike reflection, the calling context is not relevant to JNI
+    // calls, but we keep the same structure as the reflection tests.
+
+
+    // All constructors are private to ensure nestmate access checks apply
+
+    // All doConstruct methods are public so they don't involve nestmate access
+
+    private TestJNI() {}
+
+    // The various nestmates
+
+    // Note: No constructor on interfaces so no StaticIface variants
+
+    static interface StaticIface {
+
+        // Methods that will access private constructors of nestmates.
+
+        default void doConstruct(TestJNI o) throws Throwable {
+            Object obj = newInstance(o.getClass());
+        }
+        default void doConstruct(TestJNI outerThis, InnerNested o) throws Throwable {
+            Object obj = newInstance(o.getClass(), outerThis);
+        }
+        default void doConstruct(StaticNested o) throws Throwable {
+            Object obj = newInstance(o.getClass());
+        }
+    }
+
+    static class StaticNested {
+
+        private StaticNested() {}
+
+        // Methods that will access private constructors of nestmates.
+        // The arg is a dummy for overloading purposes
+
+        public void doConstruct(TestJNI o) throws Throwable {
+            Object obj = newInstance(o.getClass());
+        }
+        public  void doConstruct(TestJNI outerThis, InnerNested o) throws Throwable {
+            Object obj = newInstance(o.getClass(), outerThis);
+        }
+        public void doConstruct(StaticNested o) throws Throwable {
+            Object obj = newInstance(o.getClass());
+        }
+    }
+
+    class InnerNested {
+
+        private InnerNested() {}
+
+        // Methods that will access private constructors of nestmates.
+        // The arg is a dummy for overloading purposes
+
+        public void doConstruct(TestJNI o) throws Throwable {
+            Object obj = newInstance(o.getClass());
+        }
+        public  void doConstruct(TestJNI outerThis, InnerNested o) throws Throwable {
+            Object obj = newInstance(o.getClass(), outerThis);
+        }
+        public void doConstruct(StaticNested o) throws Throwable {
+            Object obj = newInstance(o.getClass());
+        }
+    }
+
+    public static void main(String[] args) throws Throwable {
+        // These initial constructions test nest-host access to members
+
+        TestJNI o = newInstance(TestJNI.class);
+        StaticNested s = (StaticNested) newInstance(StaticNested.class);
+        InnerNested i = (InnerNested) newInstance(InnerNested.class, o);
+
+        // We need a StaticIface instance to call doConstruct on
+        StaticIface intf = new StaticIface() {};
+
+        s.doConstruct(o);
+        s.doConstruct(o, i);
+        s.doConstruct(s);
+
+        i.doConstruct(o);
+        i.doConstruct(o, i);
+        i.doConstruct(s);
+
+        intf.doConstruct(o);
+        intf.doConstruct(o, i);
+        intf.doConstruct(s);
+    }
+
+    static <T> T newInstance(Class<T> klass) {
+        return newInstance(klass, null);
+    }
+
+    static <T> T newInstance(Class<T> klass, Object outerThis) {
+        String sig = (outerThis == null) ?
+            "()V" :
+            "(L" + outerThis.getClass().getName() + ";)V";
+        String definingClass = klass.getName();
+        String desc = " Invocation of constructor " + definingClass + sig;
+        try {
+            T ret = (T) NestmatesJNI.newInstance(definingClass, sig, outerThis);
+            System.out.println(desc + " - passed");
+            return ret;
+        }
+        catch (Throwable t) {
+            throw new Error(desc + ": Unexpected exception: " + t, t);
+        }
+    }
+}