/*

 * Copyright (c) 2019, 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 8181171

 * @summary Break ResolvedMethodTable with redefined nest class.

 * @library /test/lib

 * @modules java.base/jdk.internal.misc

 * @modules java.compiler

 *          java.instrument

 *          jdk.jartool/sun.tools.jar

 * @compile ../../NamedBuffer.java

 * @compile redef/Xost.java

 * @run main RedefineClassHelper

 * @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class+update*=debug,membername+table=debug MethodHandleDeletedMethod

 */

import java.io.File;

import java.io.FileInputStream;

import java.lang.invoke.*;

class Host {

    static MethodHandle fooMH;

    static class A {

        private static void foo() { System.out.println("OLD foo called"); }

    }

    static void bar() throws NoSuchMethodError {

        A.foo();

    }

    static void barMH() throws Throwable {

        fooMH.invokeExact();

    }

    public static void reresolve() throws Throwable {

        fooMH = MethodHandles.lookup().findStatic(A.class, "foo", MethodType.methodType(void.class));

    }

    static {

        try {

          fooMH = MethodHandles.lookup().findStatic(A.class, "foo", MethodType.methodType(void.class));

        } catch (ReflectiveOperationException ex) {

        }

    }

}

public class MethodHandleDeletedMethod {

    static final String DEST = System.getProperty("test.classes");

    static final boolean VERBOSE = false;

    private static byte[] bytesForHostClass(char replace) throws Throwable {

        return NamedBuffer.bytesForHostClass(replace, "Host$A");

    }

    public static void main(java.lang.String[] unused) throws Throwable {

        Host h = new Host();

        h.bar();

        h.barMH();

        byte[] buf = bytesForHostClass('X');

        RedefineClassHelper.redefineClass(Host.A.class, buf);

        try {

            h.bar();    // call deleted Method directly

            throw new RuntimeException("Failed, expected NSME");

        } catch (NoSuchMethodError nsme) {

            System.out.println("Received expected NSME");

        }

        try {

            h.barMH();  // call through MethodHandle for deleted Method

            throw new RuntimeException("Failed, expected NSME");

        } catch (NoSuchMethodError nsme) {

            System.out.println("Received expected NSME");

        }

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

    }

}