/*

 * 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

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 * questions.

 */

/*

 * @test

 * @bug 8026365

 * @summary Test invokespecial of host class method from an anonymous class

 * @author  Robert Field

 * @library /testlibrary

 * @compile -XDignore.symbol.file InvokeSpecialAnonTest.java

 * @run main ClassFileInstaller InvokeSpecialAnonTest AnonTester

 * @run main/othervm -Xbootclasspath/a:. -Xverify:all InvokeSpecialAnonTest

 */

import jdk.internal.org.objectweb.asm.*;

import java.lang.reflect.Constructor;

import sun.misc.Unsafe;

public class InvokeSpecialAnonTest implements Opcodes {

    static byte[] anonClassBytes() throws Exception {

        ClassWriter cw = new ClassWriter(0);

        MethodVisitor mv;

        cw.visit(V1_8, ACC_FINAL + ACC_SUPER, "Anon", null, "java/lang/Object", null);

        {

            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);

            mv.visitCode();

            mv.visitVarInsn(ALOAD, 0);

            mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");

            mv.visitInsn(RETURN);

            mv.visitMaxs(2, 2);

            mv.visitEnd();

        }

        {

            mv = cw.visitMethod(ACC_PUBLIC, "m", "(LInvokeSpecialAnonTest;)I", null, null);

            mv.visitCode();

            mv.visitVarInsn(ALOAD, 0);

            mv.visitVarInsn(ALOAD, 1);

            mv.visitMethodInsn(INVOKESPECIAL, "InvokeSpecialAnonTest", "privMethod", "()I");

            mv.visitInsn(IRETURN);

            mv.visitMaxs(2, 3);

            mv.visitEnd();

        }

        cw.visitEnd();

        return cw.toByteArray();

    }

    private int privMethod() { return 1234; }

    public static void main(String[] args) throws Exception {

        Class<?> klass = InvokeSpecialAnonTest.class;

        try {

           Class<?> result = AnonTester.defineTest(klass, anonClassBytes());

           System.out.println("Passed.");

        } catch (Exception e) {

           e.printStackTrace();

           throw e;

        }

    }

}

class AnonTester {

    private static final Unsafe UNSAFE = Unsafe.getUnsafe();

    public static Class<?> defineTest(Class<?> targetClass, byte[] classBytes) throws Exception {

        return UNSAFE.defineAnonymousClass(targetClass, classBytes, null);

    }

}