/* * 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 methods between nestmates and nest-host * using different flavours of named nested types * @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. // Private static method of nest-host for nestmates to access private static void priv_static_invoke() { System.out.println("TestJNI::priv_static_invoke"); } static final String METHOD = "priv_static_invoke"; // public constructor so we aren't relying on private access public TestJNI() {} // Methods that will access private static methods of nestmates // We use the arguments for overloading purposes and use the fact // you can invoke a static method through an object reference for // convenience. Except for static interface methods of course. // NOTE: No InnerNested calls in this test because non-static nested types // can't have static method void access_priv(TestJNI o) { doCall(o.getClass(), METHOD); } void access_priv(StaticNested o) { doCall(o.getClass(), METHOD); } void access_priv(StaticIface o) { // Can't use o.getClass() as the method is not in that class doCall(StaticIface.class, METHOD); } // The various nestmates static interface StaticIface { private static void priv_static_invoke() { System.out.println("StaticIface::priv_static_invoke"); } // Methods that will access private static methods of nestmates default void access_priv(TestJNI o) { doCall(o.getClass(), METHOD); } default void access_priv(StaticNested o) { doCall(o.getClass(), METHOD); } default void access_priv(StaticIface o) { // Can't use o.getClass() as the method is not in that class doCall(StaticIface.class, METHOD); } } static class StaticNested { private static void priv_static_invoke() { System.out.println("StaticNested::priv_static_invoke"); } // public constructor so we aren't relying on private access public StaticNested() {} // Methods that will access private static methods of nestmates void access_priv(TestJNI o) { doCall(o.getClass(), METHOD); } void access_priv(StaticNested o) { doCall(o.getClass(), METHOD); } void access_priv(StaticIface o) { // Can't use o.getClass() as the method is not in that class doCall(StaticIface.class, METHOD); } } class InnerNested { // public constructor so we aren't relying on private access public InnerNested() {} void access_priv(TestJNI o) { doCall(o.getClass(), METHOD); } void access_priv(StaticNested o) { doCall(o.getClass(), METHOD); } void access_priv(StaticIface o) { // Can't use o.getClass() as the method is not in that class doCall(StaticIface.class, METHOD); } } public static void main(String[] args) { TestJNI o = new TestJNI(); StaticNested s = new StaticNested(); InnerNested i = o.new InnerNested(); StaticIface intf = new StaticIface() {}; o.access_priv(new TestJNI()); o.access_priv(s); o.access_priv(intf); s.access_priv(o); s.access_priv(new StaticNested()); s.access_priv(intf); i.access_priv(o); i.access_priv(s); i.access_priv(intf); intf.access_priv(o); intf.access_priv(s); intf.access_priv(new StaticIface(){}); } static void doCall(Class klass, String method) { String definingClass = klass.getName(); String desc = "Static invocation of " + definingClass + "." + method; try { NestmatesJNI.callStaticVoidVoid(definingClass, method); System.out.println(desc + " - passed"); } catch (Throwable t) { throw new Error(desc + ": Unexpected exception: " + t, t); } } }