/*

 * Copyright (c) 2014, 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.

 */

import java.io.File;

import java.io.FileOutputStream;

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

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

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

import com.oracle.java.testlibrary.*;

/*

 * @test OverriderMsg

 * @bug 8026894

 * @library /testlibrary

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

 * @run main/othervm OverriderMsg

 */

// This test checks that the super class name is included in the message when

// a method is detected overriding a final method in its super class.  The

// asm part of the test creates these two classes:

//

//     public class HasFinal {

//         public final void m(String s) { }

//     }

//

//     public class Overrider extends HasFinal {

//         public void m(String s) { }

//         public static void main(String[] args) { }

//     }

//

public class OverriderMsg {

    public static void dump_HasFinal () throws Exception {

        ClassWriter cw = new ClassWriter(0);

        MethodVisitor mv;

        cw.visit(V1_7, ACC_PUBLIC + ACC_SUPER, "HasFinal", 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(1, 1);

            mv.visitEnd();

        }

        {

            mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "m", "(Ljava/lang/String;)V", null, null);

            mv.visitCode();

            mv.visitInsn(RETURN);

            mv.visitMaxs(0, 2);

            mv.visitEnd();

        }

        cw.visitEnd();

        try (FileOutputStream fos = new FileOutputStream(new File("HasFinal.class"))) {

             fos.write(cw.toByteArray());

        }

    }

    public static void dump_Overrider () throws Exception {

        ClassWriter cw = new ClassWriter(0);

        MethodVisitor mv;

        cw.visit(V1_7, ACC_PUBLIC + ACC_SUPER, "Overrider", null, "HasFinal", null);

        {

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

            mv.visitCode();

            mv.visitVarInsn(ALOAD, 0);

            mv.visitMethodInsn(INVOKESPECIAL, "HasFinal", "<init>", "()V");

            mv.visitInsn(RETURN);

            mv.visitMaxs(1, 1);

            mv.visitEnd();

        }

        {

            mv = cw.visitMethod(ACC_PUBLIC, "m", "(Ljava/lang/String;)V", null, null);

            mv.visitCode();

            mv.visitInsn(RETURN);

            mv.visitMaxs(0, 2);

            mv.visitEnd();

        }

        {

            mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null);

            mv.visitCode();

            mv.visitInsn(RETURN);

            mv.visitMaxs(0, 1);

            mv.visitEnd();

        }

        cw.visitEnd();

        try (FileOutputStream fos = new FileOutputStream(new File("Overrider.class"))) {

             fos.write(cw.toByteArray());

        }

    }

    public static void main(String... args) throws Exception {

        dump_HasFinal();

        dump_Overrider();

        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, "-cp", ".",  "Overrider");

        OutputAnalyzer output = new OutputAnalyzer(pb.start());

        output.shouldContain(

            "java.lang.VerifyError: class Overrider overrides final method HasFinal.m(Ljava/lang/String;)V");

        output.shouldHaveExitValue(1);

    }

}