94 lines
3.3 KiB
Java
94 lines
3.3 KiB
Java
/*
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* Copyright (c) 2013, 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 8026365
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* @summary Test invokespecial of host class method from an anonymous class
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* @author Robert Field
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* @library /testlibrary
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* @modules java.base/jdk.internal.org.objectweb.asm
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* java.base/jdk.internal.misc
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* @compile -XDignore.symbol.file InvokeSpecialAnonTest.java
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* @run main ClassFileInstaller InvokeSpecialAnonTest AnonTester
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* @run main/othervm -Xbootclasspath/a:. -Xverify:all InvokeSpecialAnonTest
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*/
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import jdk.internal.org.objectweb.asm.*;
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import java.lang.reflect.Constructor;
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import jdk.internal.misc.Unsafe;
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public class InvokeSpecialAnonTest implements Opcodes {
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static byte[] anonClassBytes() throws Exception {
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ClassWriter cw = new ClassWriter(0);
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MethodVisitor mv;
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cw.visit(V1_8, ACC_FINAL + ACC_SUPER, "Anon", null, "java/lang/Object", null);
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{
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mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
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mv.visitCode();
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mv.visitVarInsn(ALOAD, 0);
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mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
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mv.visitInsn(RETURN);
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mv.visitMaxs(2, 2);
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mv.visitEnd();
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}
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{
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mv = cw.visitMethod(ACC_PUBLIC, "m", "(LInvokeSpecialAnonTest;)I", null, null);
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mv.visitCode();
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mv.visitVarInsn(ALOAD, 0);
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mv.visitVarInsn(ALOAD, 1);
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mv.visitMethodInsn(INVOKESPECIAL, "InvokeSpecialAnonTest", "privMethod", "()I");
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mv.visitInsn(IRETURN);
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mv.visitMaxs(2, 3);
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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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private int privMethod() { return 1234; }
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public static void main(String[] args) throws Exception {
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Class<?> klass = InvokeSpecialAnonTest.class;
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try {
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Class<?> result = AnonTester.defineTest(klass, anonClassBytes());
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System.out.println("Passed.");
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} catch (Exception e) {
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e.printStackTrace();
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throw e;
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}
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}
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}
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class AnonTester {
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private static final Unsafe UNSAFE = Unsafe.getUnsafe();
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public static Class<?> defineTest(Class<?> targetClass, byte[] classBytes) throws Exception {
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return UNSAFE.defineAnonymousClass(targetClass, classBytes, null);
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}
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}
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