116 lines
4.0 KiB
Java
116 lines
4.0 KiB
Java
/*
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* Copyright (c) 2015, 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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/*
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* @test
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* @bug 8051045
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* @summary Test that exceptions from invokedynamic are wrapped in BootstrapMethodError
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* @modules java.base/jdk.internal.org.objectweb.asm
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* @run main BootstrapMethodErrorTest
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*/
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import java.lang.reflect.Method;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import static java.lang.invoke.MethodHandles.*;
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import static java.lang.invoke.MethodType.*;
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import jdk.internal.org.objectweb.asm.ClassWriter;
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import jdk.internal.org.objectweb.asm.Handle;
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import jdk.internal.org.objectweb.asm.MethodVisitor;
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import jdk.internal.org.objectweb.asm.Opcodes;
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public class BootstrapMethodErrorTest extends ClassLoader implements Opcodes {
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@Override
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public Class findClass(String name) throws ClassNotFoundException {
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byte[] b;
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try {
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b = loadClassData(name);
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} catch (Throwable th) {
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throw new ClassNotFoundException("Loading error", th);
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}
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return defineClass(name, b, 0, b.length);
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}
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private byte[] loadClassData(String name) throws Exception {
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ClassWriter cw = new ClassWriter(0);
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MethodVisitor mv;
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if (name.equals("C")) {
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cw.visit(52, ACC_SUPER | ACC_PUBLIC, "C", null, "java/lang/Object", null);
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{
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mv = cw.visitMethod(ACC_PRIVATE | ACC_STATIC, "m", "()V", null, null);
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mv.visitCode();
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mv.visitInsn(RETURN);
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mv.visitMaxs(0, 1);
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mv.visitEnd();
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}
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cw.visitEnd();
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return cw.toByteArray();
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} else if (name.equals("Exec")) {
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cw.visit(52, ACC_SUPER | ACC_PUBLIC, "Exec", null, "java/lang/Object", null);
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{
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mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "invokeRef", "()V", null, null);
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mv.visitCode();
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Handle h = new Handle(H_INVOKESTATIC, "C", "m", "()V");
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mv.visitInvokeDynamicInsn("C", "()V", h);
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mv.visitInsn(RETURN);
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mv.visitMaxs(0, 0);
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mv.visitEnd();
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}
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cw.visitEnd();
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return cw.toByteArray();
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}
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return null;
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}
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public static void main(String[] args) throws ClassNotFoundException, IllegalAccessException, NoSuchMethodException {
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new BootstrapMethodErrorTest().test();
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}
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public void test() throws ClassNotFoundException, IllegalAccessException, NoSuchMethodException {
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Class.forName("C", true, this);
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Class<?> exec = Class.forName("Exec", true, this);
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try {
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exec.getMethod("invokeRef").invoke(null);
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} catch (Throwable e) {
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Throwable c = e.getCause();
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if (c == null) {
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throw new RuntimeException(
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"Expected BootstrapMethodError wrapped in an InvocationTargetException but it wasn't wrapped", e);
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} else if (c instanceof BootstrapMethodError) {
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// Only way to pass test, all else should throw
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return;
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} else {
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throw new RuntimeException(
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"Expected BootstrapMethodError but got another Error: "
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+ c.getClass().getName(),
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c);
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}
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}
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throw new RuntimeException("Expected BootstrapMethodError but no Error at all was thrown");
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}
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}
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