1 /*
   2  * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6904403
  27  * @summary Don't assert if we redefine finalize method
  28  * @library /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  * @modules java.compiler
  31  *          java.instrument
  32  *          jdk.jartool/sun.tools.jar
  33  * @run main RedefineClassHelper
  34  * @run main/othervm -javaagent:redefineagent.jar RedefineFinalizer
  35  */
  36 
  37 /*
  38  * Regression test for hitting:
  39  *
  40  * assert(f == k->has_finalizer()) failed: inconsistent has_finalizer
  41  *
  42  * when redefining finalizer method
  43  */
  44 public class RedefineFinalizer {
  45 
  46     public static String newB =
  47                 "class RedefineFinalizer$B {" +
  48                 "   protected void finalize() { " +
  49                 "       System.out.println(\"Finalizer called\");" +
  50                 "   }" +
  51                 "}";
  52 
  53     public static void main(String[] args) throws Exception {
  54         RedefineClassHelper.redefineClass(B.class, newB);
  55 
  56         A a = new A();
  57     }
  58 
  59     static class A extends B {
  60     }
  61 
  62     static class B {
  63         protected void finalize() {
  64             // should be empty
  65         }
  66     }
  67 }