1 /*
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 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 8010319
27  * @summary Don't assert if we redefine finalize method
28  * @requires vm.jvmti
29  * @library /test/lib
30  * @modules java.base/jdk.internal.misc
31  * @modules java.compiler
32  *          java.instrument
33  *          jdk.jartool/sun.tools.jar
34  * @build jdk.test.lib.helpers.ClassFileInstaller jdk.test.lib.compiler.InMemoryJavaCompiler
35  * @run main RedefineClassHelper
36  * @run main/othervm -javaagent:redefineagent.jar RedefineFinalizer
37  */
38 
39 /*
40  * Regression test for hitting:
41  *
42  * assert(f == k->has_finalizer()) failed: inconsistent has_finalizer
43  *
44  * when redefining finalizer method
45  */
46 
47 
48 // package access top-level class to avoid problem with RedefineClassHelper
49 // and nested types.
50 class RedefineFinalizer_B {
51     protected void finalize() {
52         // should be empty
53     }
54 }
55 
56 public class RedefineFinalizer {
57 
58     public static String newB =
59                 "class RedefineFinalizer_B {" +
60                 "   protected void finalize() { " +
61                 "       System.out.println(\"Finalizer called\");" +
62                 "   }" +
63                 "}";
64 
65     public static void main(String[] args) throws Exception {
66         RedefineClassHelper.redefineClass(RedefineFinalizer_B.class, newB);
67 
68         A a = new A();
69     }
70 
71     static class A extends RedefineFinalizer_B {
72     }
73 }