/* * 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 constructors between nestmates and nest-host * 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 NativeConstructorAccessor 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 // GeneratedConstructorAccessor instead. // In this way both sets of Reflection classes are tested. public class TestReflection { // All constructors are private to ensure nestmate access checks apply // All doConstruct methods are public so they don't involve invoke_special private TestReflection() {} // 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(TestReflection o) throws Throwable { Object obj = o.getClass().getDeclaredConstructor(new Class[0]).newInstance(new Object[0]); } default void doConstruct(TestReflection tr, InnerNested o) throws Throwable { Object obj = InnerNested.class.getDeclaredConstructor(new Class[] {TestReflection.class}).newInstance(new Object[] { tr }); } default void doConstruct(StaticNested o) throws Throwable { Object obj = o.getClass().getDeclaredConstructor(new Class[0]).newInstance(new Object[0]); } } static class StaticNested { private StaticNested() {} // Methods that will access private constructors of nestmates. // The arg is a dummy for overloading purposes public void doConstruct(TestReflection o) throws Throwable { Object obj = o.getClass().getDeclaredConstructor(new Class[0]).newInstance(new Object[0]); } public void doConstruct(TestReflection tr, InnerNested o) throws Throwable { Object obj = InnerNested.class.getDeclaredConstructor(new Class[] {TestReflection.class}).newInstance(new Object[] { tr }); } public void doConstruct(StaticNested o) throws Throwable { Object obj = o.getClass().getDeclaredConstructor(new Class[0]).newInstance(new Object[0]); } } class InnerNested { private InnerNested() {} // Methods that will access private constructors of nestmates. // The arg is a dummy for overloading purposes public void doConstruct(TestReflection o) throws Throwable { Object obj = o.getClass().getDeclaredConstructor(new Class[0]).newInstance(new Object[0]); } public void doConstruct(TestReflection tr, InnerNested o) throws Throwable { Object obj = InnerNested.class.getDeclaredConstructor(new Class[] {TestReflection.class}).newInstance(new Object[] { tr }); } public void doConstruct(StaticNested o) throws Throwable { Object obj = o.getClass().getDeclaredConstructor(new Class[0]).newInstance(new Object[0]); } } public static void main(String[] args) throws Throwable { // These initial constructions test nest-host access TestReflection o = TestReflection.class.getDeclaredConstructor(new Class[0]).newInstance(new Object[0]); StaticNested s = StaticNested.class.getDeclaredConstructor(new Class[0]).newInstance(new Object[0]); InnerNested i = InnerNested.class.getDeclaredConstructor(new Class[] {TestReflection.class}).newInstance(new Object[] { o }); 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); } }