/* * Copyright (c) 2014, 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. * */ package p1; import p2.T3; import java.lang.invoke.MethodHandle; import java.lang.invoke.MethodHandles; import java.lang.invoke.MethodHandles.Lookup; import java.lang.invoke.MethodType; import java.util.concurrent.Callable; class T1 { protected void m1() {} protected static void m2() {} } public class T2 extends T1 { public static void main(String[] args) throws Throwable { Lookup LOOKUP = T3.lookup(); Class IAE = IllegalAccessException.class; assertFailure(IAE, () -> LOOKUP.findVirtual(T1.class, "m1", MethodType.methodType(void.class))); assertFailure(IAE, () -> LOOKUP.findStatic(T1.class, "m2", MethodType.methodType(void.class))); assertSuccess(() -> LOOKUP.findVirtual(T2.class, "m1", MethodType.methodType(void.class))); assertSuccess(() -> LOOKUP.findVirtual(T3.class, "m1", MethodType.methodType(void.class))); assertSuccess(() -> LOOKUP.findStatic(T2.class, "m2", MethodType.methodType(void.class))); assertSuccess(() -> LOOKUP.findStatic(T3.class, "m2", MethodType.methodType(void.class))); assertFailure(IAE, () -> LOOKUP.unreflect(T1.class.getDeclaredMethod("m1"))); assertFailure(IAE, () -> LOOKUP.unreflect(T1.class.getDeclaredMethod("m2"))); System.out.println("TEST PASSED"); } public static void assertFailure(Class expectedError, Callable r) { try { r.call(); } catch(Throwable e) { if (expectedError.isAssignableFrom(e.getClass())) { return; // expected error } else { throw new Error("Unexpected error type: "+e.getClass()+"; expected type: "+expectedError, e); } } throw new Error("No error"); } public static void assertSuccess(Callable r) { try { r.call(); } catch(Throwable e) { throw new Error("Unexpected error", e); } } }