hotspot/test/runtime/RedefineTests/RedefineFinalizer.java
author coleenp
Wed, 03 Sep 2014 19:13:18 -0400
changeset 26558 b7df27df6384
parent 24837 hotspot/test/runtime/RedefineFinalizer/RedefineFinalizer.java@b9c998a3e9fd
child 29678 dd2f3932c21e
permissions -rw-r--r--
8055008: Clean up code that saves the previous versions of redefined classes Summary: Use scratch_class to find EMCP methods for breakpoints if the old methods are still running. Reviewed-by: dcubed, sspitsyn

/*
 * 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.
 */

/*
 * @test
 * @bug 6904403
 * @summary Don't assert if we redefine finalize method
 * @library /testlibrary
 * @build RedefineClassHelper
 * @run main RedefineClassHelper
 * @run main/othervm -javaagent:redefineagent.jar RedefineFinalizer
 */

/*
 * Regression test for hitting:
 *
 * assert(f == k->has_finalizer()) failed: inconsistent has_finalizer
 *
 * when redefining finalizer method
 */
public class RedefineFinalizer {

    public static String newB =
                "class RedefineFinalizer$B {" +
                "   protected void finalize() { " +
                "       System.out.println(\"Finalizer called\");" +
                "   }" +
                "}";

    public static void main(String[] args) throws Exception {
        RedefineClassHelper.redefineClass(B.class, newB);

        A a = new A();
    }

    static class A extends B {
    }

    static class B {
        protected void finalize() {
            // should be empty
        }
    }
}