1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package p1; 25 26 import p2.T3; 27 28 import java.lang.invoke.MethodHandle; 29 import java.lang.invoke.MethodHandles; 30 import java.lang.invoke.MethodHandles.Lookup; 31 import java.lang.invoke.MethodType; 32 import java.util.concurrent.Callable; 33 34 class T1 { 35 protected void m1() {} 36 protected static void m2() {} 37 } 38 39 public class T2 extends T1 { 40 public static void main(String[] args) throws Throwable { 41 Lookup LOOKUP = T3.lookup(); 42 Class<IllegalAccessException> IAE = IllegalAccessException.class; 43 44 assertFailure(IAE, () -> LOOKUP.findVirtual(T1.class, "m1", MethodType.methodType(void.class))); 45 assertFailure(IAE, () -> LOOKUP.findStatic(T1.class, "m2", MethodType.methodType(void.class))); 46 47 assertSuccess(() -> LOOKUP.findVirtual(T2.class, "m1", MethodType.methodType(void.class))); 48 assertSuccess(() -> LOOKUP.findVirtual(T3.class, "m1", MethodType.methodType(void.class))); 49 50 assertSuccess(() -> LOOKUP.findStatic(T2.class, "m2", MethodType.methodType(void.class))); 51 assertSuccess(() -> LOOKUP.findStatic(T3.class, "m2", MethodType.methodType(void.class))); 52 53 assertFailure(IAE, () -> LOOKUP.unreflect(T1.class.getDeclaredMethod("m1"))); 54 assertFailure(IAE, () -> LOOKUP.unreflect(T1.class.getDeclaredMethod("m2"))); 55 56 System.out.println("TEST PASSED"); 57 } 58 59 public static void assertFailure(Class<? extends Throwable> expectedError, Callable r) { 60 try { 61 r.call(); 62 } catch(Throwable e) { 63 if (expectedError.isAssignableFrom(e.getClass())) { 64 return; // expected error 65 } else { 66 throw new Error("Unexpected error type: "+e.getClass()+"; expected type: "+expectedError, e); 67 } 68 } 69 throw new Error("No error"); 70 } 71 72 public static void assertSuccess(Callable r) { 73 try { 74 r.call(); 75 } catch(Throwable e) { 76 throw new Error("Unexpected error", e); 77 } 78 } 79 }