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
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/*
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 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 6904403
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 * @summary Don't assert if we redefine finalize method
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 * @library /testlibrary
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 * @build RedefineClassHelper
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 * @run main RedefineClassHelper
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 * @run main/othervm -javaagent:redefineagent.jar RedefineFinalizer
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 */
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/*
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 * Regression test for hitting:
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 *
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 * assert(f == k->has_finalizer()) failed: inconsistent has_finalizer
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 *
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 * when redefining finalizer method
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 */
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public class RedefineFinalizer {
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    public static String newB =
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                "class RedefineFinalizer$B {" +
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                "   protected void finalize() { " +
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                "       System.out.println(\"Finalizer called\");" +
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                "   }" +
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                "}";
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    public static void main(String[] args) throws Exception {
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        RedefineClassHelper.redefineClass(B.class, newB);
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        A a = new A();
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    }
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    static class A extends B {
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    }
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    static class B {
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        protected void finalize() {
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            // should be empty
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        }
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    }
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}