80 lines
3.0 KiB
Java
80 lines
3.0 KiB
Java
/*
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package p1;
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import p2.T3;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodHandles.Lookup;
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import java.lang.invoke.MethodType;
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import java.util.concurrent.Callable;
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class T1 {
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protected void m1() {}
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protected static void m2() {}
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}
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public class T2 extends T1 {
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public static void main(String[] args) throws Throwable {
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Lookup LOOKUP = T3.lookup();
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Class<IllegalAccessException> IAE = IllegalAccessException.class;
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assertFailure(IAE, () -> LOOKUP.findVirtual(T1.class, "m1", MethodType.methodType(void.class)));
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assertFailure(IAE, () -> LOOKUP.findStatic(T1.class, "m2", MethodType.methodType(void.class)));
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assertSuccess(() -> LOOKUP.findVirtual(T2.class, "m1", MethodType.methodType(void.class)));
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assertSuccess(() -> LOOKUP.findVirtual(T3.class, "m1", MethodType.methodType(void.class)));
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assertSuccess(() -> LOOKUP.findStatic(T2.class, "m2", MethodType.methodType(void.class)));
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assertSuccess(() -> LOOKUP.findStatic(T3.class, "m2", MethodType.methodType(void.class)));
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assertFailure(IAE, () -> LOOKUP.unreflect(T1.class.getDeclaredMethod("m1")));
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assertFailure(IAE, () -> LOOKUP.unreflect(T1.class.getDeclaredMethod("m2")));
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System.out.println("TEST PASSED");
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}
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public static void assertFailure(Class<? extends Throwable> expectedError, Callable r) {
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try {
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r.call();
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} catch(Throwable e) {
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if (expectedError.isAssignableFrom(e.getClass())) {
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return; // expected error
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} else {
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throw new Error("Unexpected error type: "+e.getClass()+"; expected type: "+expectedError, e);
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}
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}
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throw new Error("No error");
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}
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public static void assertSuccess(Callable r) {
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try {
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r.call();
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} catch(Throwable e) {
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throw new Error("Unexpected error", e);
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}
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}
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}
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