Mercurial > hg > graal-jvmci-8
view test/runtime/invokedynamic/BootstrapMethodErrorTest.java @ 23285:a6f2a7ba2812 jdk8u66-b17
Merge
author | asaha |
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date | Tue, 06 Oct 2015 11:58:13 -0700 |
parents | 81bed6c76a89 |
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/* * Copyright (c) 2015, 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 8051045 * @summary Test that exceptions from invokedynamic are wrapped in BootstrapMethodError * @modules java.base/jdk.internal.org.objectweb.asm * @run main BootstrapMethodErrorTest */ import java.lang.reflect.Method; import java.lang.invoke.MethodHandle; import java.lang.invoke.MethodHandles; import static java.lang.invoke.MethodHandles.*; import static java.lang.invoke.MethodType.*; import jdk.internal.org.objectweb.asm.ClassWriter; import jdk.internal.org.objectweb.asm.Handle; import jdk.internal.org.objectweb.asm.MethodVisitor; import jdk.internal.org.objectweb.asm.Opcodes; public class BootstrapMethodErrorTest extends ClassLoader implements Opcodes { @Override public Class findClass(String name) throws ClassNotFoundException { byte[] b; try { b = loadClassData(name); } catch (Throwable th) { throw new ClassNotFoundException("Loading error", th); } return defineClass(name, b, 0, b.length); } private byte[] loadClassData(String name) throws Exception { ClassWriter cw = new ClassWriter(0); MethodVisitor mv; if (name.equals("C")) { cw.visit(52, ACC_SUPER | ACC_PUBLIC, "C", null, "java/lang/Object", null); { mv = cw.visitMethod(ACC_PRIVATE | ACC_STATIC, "m", "()V", null, null); mv.visitCode(); mv.visitInsn(RETURN); mv.visitMaxs(0, 1); mv.visitEnd(); } cw.visitEnd(); return cw.toByteArray(); } else if (name.equals("Exec")) { cw.visit(52, ACC_SUPER | ACC_PUBLIC, "Exec", null, "java/lang/Object", null); { mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "invokeRef", "()V", null, null); mv.visitCode(); Handle h = new Handle(H_INVOKESTATIC, "C", "m", "()V"); mv.visitInvokeDynamicInsn("C", "()V", h); mv.visitInsn(RETURN); mv.visitMaxs(0, 0); mv.visitEnd(); } cw.visitEnd(); return cw.toByteArray(); } return null; } public static void main(String[] args) throws ClassNotFoundException, IllegalAccessException, NoSuchMethodException { new BootstrapMethodErrorTest().test(); } public void test() throws ClassNotFoundException, IllegalAccessException, NoSuchMethodException { Class.forName("C", true, this); Class<?> exec = Class.forName("Exec", true, this); try { exec.getMethod("invokeRef").invoke(null); } catch (Throwable e) { Throwable c = e.getCause(); if (c == null) { throw new RuntimeException( "Expected BootstrapMethodError wrapped in an InvocationTargetException but it wasn't wrapped", e); } else if (c instanceof BootstrapMethodError) { // Only way to pass test, all else should throw return; } else { throw new RuntimeException( "Expected BootstrapMethodError but got another Error: " + c.getClass().getName(), c); } } throw new RuntimeException("Expected BootstrapMethodError but no Error at all was thrown"); } }