| /* |
| * Copyright (c) 2013, 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 8022701 |
| * @summary Illegal access exceptions via methodhandle invocations threw wrong error. |
| * @modules java.base/jdk.internal.org.objectweb.asm |
| * @compile -XDignore.symbol.file BogoLoader.java InvokeSeveralWays.java MHIllegalAccess.java MethodSupplier.java |
| * @run main/othervm MHIllegalAccess |
| */ |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import jdk.internal.org.objectweb.asm.ClassWriter; |
| import jdk.internal.org.objectweb.asm.MethodVisitor; |
| import jdk.internal.org.objectweb.asm.ClassVisitor; |
| import jdk.internal.org.objectweb.asm.Opcodes; |
| |
| public class MHIllegalAccess implements Opcodes { |
| |
| public static void main(String args[]) throws Throwable { |
| System.out.println("Classpath is " + System.getProperty("java.class.path")); |
| System.out.println(); |
| |
| /** |
| * Make method m be private to provoke an IllegalAccessError. |
| */ |
| BogoLoader.VisitorMaker privatize = new BogoLoader.VisitorMaker() { |
| public ClassVisitor make(ClassVisitor cv) { |
| return new ClassVisitor(Opcodes.ASM5, cv) { |
| public MethodVisitor visitMethod(int access, String name, String desc, |
| String signature, String[] exceptions) { |
| if (name.equals("m")) |
| access = (access | ACC_PRIVATE) & ~ (ACC_PUBLIC | ACC_PROTECTED); |
| return super.visitMethod(access, name, desc, signature, exceptions); |
| } |
| }; |
| } |
| }; |
| |
| /** |
| * Rename method m as nemo to provoke a NoSuchMethodError. |
| */ |
| BogoLoader.VisitorMaker changeName = new BogoLoader.VisitorMaker() { |
| public ClassVisitor make(ClassVisitor cv) { |
| return new ClassVisitor(Opcodes.ASM5, cv) { |
| public MethodVisitor visitMethod(int access, String name, String desc, |
| String signature, String[] exceptions) { |
| if (name.equals("m")) |
| name = "nemo"; |
| return super.visitMethod(access, name, desc, signature, exceptions); |
| } |
| }; |
| } |
| }; |
| |
| int failures = 0; |
| failures += testOneError(privatize, args, IllegalAccessError.class); |
| failures += testOneError(changeName, args, NoSuchMethodError.class); |
| if (failures > 0) { |
| System.out.println("Saw " + failures + " failures, see standard out for details"); |
| throw new Error("FAIL test"); |
| } |
| } |
| |
| /** |
| * |
| * @param vm VisitorMaker, to be stored in a table and passed to a BogoLoader |
| * @param args A copy of the main args, to be passed on to InvokeSeveralWays.test |
| * @param expected The class of the exception that should be thrown after |
| * attempted invocation of MethodSupplier.m. |
| * @throws ClassNotFoundException |
| * @throws Throwable |
| */ |
| private static int testOneError(BogoLoader.VisitorMaker vm, String[] args, Class expected) throws ClassNotFoundException, Throwable { |
| HashMap<String, BogoLoader.VisitorMaker> replace = new HashMap<String, BogoLoader.VisitorMaker>(); |
| replace.put("MethodSupplier", vm); |
| |
| HashSet<String> in_bogus = new HashSet<String>(); |
| in_bogus.add("InvokeSeveralWays"); |
| in_bogus.add("MyFunctionalInterface"); |
| in_bogus.add("Invoker"); |
| |
| BogoLoader bl = new BogoLoader(in_bogus, replace); |
| Class<?> isw = bl.loadClass("InvokeSeveralWays"); |
| Object[] arg_for_args = new Object[2]; |
| arg_for_args[0] = args; |
| arg_for_args[1] = expected; |
| try { |
| Object result = isw.getMethod("test", String[].class, Class.class).invoke(null, arg_for_args); |
| return (Integer)result; |
| } catch (InvocationTargetException e) { |
| Throwable th = e.getCause(); |
| throw th == null ? e : th; |
| } |
| } |
| } |