/* * Copyright (c) 2017, 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 access to private static methods between nestmates and nest-top * using different flavours of named nested types using core reflection * @run main TestReflection * @run main/othervm -Dsun.reflect.noInflation=true TestReflection */ // The first run will use NativeMethodAccessor and due to the limited number // of calls we will not reach the inflation threshold. // The second run disables inflation so we will use the GeneratedMethodAccessor // instead. In this way both sets of Reflection classes are tested. public class TestReflection { // Private method of nest-top for nestmates to access private static void priv_static_invoke() { System.out.println("TestReflection::priv_static_invoke"); } // public constructor so we aren't relying on private access public TestReflection() {} // We test access via getClass() as well as Foo.class // Methods that will access private static methods of nestmates // NOTE: No InnerNested calls in this test because non-static nested types // can't have static methods void access_priv(TestReflection o) throws Throwable { o.getClass().getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); TestReflection.class.getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); } void access_priv(StaticNested o) throws Throwable { o.getClass().getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); StaticNested.class.getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); } void access_priv(StaticIface o) throws Throwable { // Can't use o.getClass() as the method is not in that class StaticIface.class.getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); } // 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(TestReflection o) throws Throwable { o.getClass().getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); TestReflection.class.getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); } default void access_priv(StaticNested o) throws Throwable { o.getClass().getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); StaticNested.class.getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); } default void access_priv(StaticIface o) throws Throwable { // Can't use o.getClass() as the method is not in that class StaticIface.class.getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); } } 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(TestReflection o) throws Throwable { o.getClass().getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); TestReflection.class.getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); } void access_priv(StaticNested o) throws Throwable { o.getClass().getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); StaticNested.class.getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); } void access_priv(StaticIface o) throws Throwable { // Can't use o.getClass() as the method is not in that class StaticIface.class.getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); } } class InnerNested { // public constructor so we aren't relying on private access public InnerNested() {} void access_priv(TestReflection o) throws Throwable { o.getClass().getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); TestReflection.class.getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); } void access_priv(StaticNested o) throws Throwable { o.getClass().getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); StaticNested.class.getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); } void access_priv(StaticIface o) throws Throwable { // Can't use o.getClass() as the method is not in that class StaticIface.class.getDeclaredMethod("priv_static_invoke", new Class[0]).invoke(null, new Object[0]); } } public static void main(String[] args) throws Throwable { TestReflection o = new TestReflection(); StaticNested s = new StaticNested(); InnerNested i = o.new InnerNested(); StaticIface intf = new StaticIface() {}; o.access_priv(new TestReflection()); 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(){}); } }