hotspot/test/serviceability/sa/LingeredAppWithInterface.java
author jgeorge
Thu, 23 Feb 2017 12:19:03 +0530
changeset 43979 4597fa06b227
permissions -rw-r--r--
8162504: TestInstanceKlassSize.java and TestInstanceKlassSizeForInterface.java fail on Mac OS Summary: Modify TestInstanceKlassSizeForInterface.java to avoid the error prone mechanism of spawning a process and attaching back to the current process. Use LingeredApp instead. Reviewed-by: dsamersoff, sspitsyn Contributed-by: jini.george@oracle.com
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/*
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 * Copyright (c) 2017, 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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import jdk.test.lib.apps.LingeredApp;
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interface Language {
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    static final long nbrOfWords = 99999;
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    public abstract long getNbrOfWords();
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}
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class ParselTongue implements Language {
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    public long getNbrOfWords() {
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        return nbrOfWords * 4;
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    }
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}
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public class LingeredAppWithInterface extends LingeredApp {
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    public static void main(String args[]) {
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        ParselTongue lang = new ParselTongue();
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        Language muggleSpeak = new Language() {
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            public long getNbrOfWords() {
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                return nbrOfWords * 8;
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            }
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        };
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        // Not tested at this point. The test needs to be enhanced
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        // later to test for the sizes of the Lambda MetaFactory
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        // generated anonymous classes too. (After JDK-8160228 gets
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        // fixed.)
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        Runnable r2 = () -> System.out.println("Hello world!");
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        r2.run();
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        System.out.println(lang.getNbrOfWords() + muggleSpeak.getNbrOfWords());
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        LingeredApp.main(args);
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    }
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}