jdk/test/java/beans/PropertyEditor/Test6963811.java
author rehn
Fri, 07 Jul 2017 23:04:06 +0200
changeset 46643 cb5f289ba033
parent 31448 1066345d2a8a
permissions -rw-r--r--
8183545: Event tracing, transition hooks Reviewed-by: dcubed, egahlin
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/*
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 * Copyright (c) 2010, 2015, 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 6963811
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 * @summary Tests deadlock in PropertyEditorManager
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 * @author Sergey Malenkov
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 * @modules java.desktop/com.sun.beans.editors
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 * @compile -XDignore.symbol.file Test6963811.java
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 * @run main Test6963811
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 */
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import java.beans.PropertyEditorManager;
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import com.sun.beans.editors.StringEditor;
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public class Test6963811 implements Runnable {
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    private final long time;
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    private final boolean sync;
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    public Test6963811(long time, boolean sync) {
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        this.time = time;
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        this.sync = sync;
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    }
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    public void run() {
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        try {
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            Thread.sleep(this.time); // increase the chance of the deadlock
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            if (this.sync) {
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                synchronized (Test6963811.class) {
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                    PropertyEditorManager.findEditor(Super.class);
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                }
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            }
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            else {
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                PropertyEditorManager.findEditor(Sub.class);
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            }
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        }
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        catch (Exception exception) {
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            exception.printStackTrace();
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        }
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    }
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    public static void main(String[] args) throws Exception {
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        Thread[] threads = new Thread[2];
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        for (int i = 0; i < threads.length; i++) {
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            threads[i] = new Thread(new Test6963811(0L, i > 0));
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            threads[i].start();
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            Thread.sleep(500L); // increase the chance of the deadlock
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        }
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        for (Thread thread : threads) {
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            thread.join();
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        }
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    }
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    public static class Super {
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    }
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    public static class Sub extends Super {
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    }
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    public static class SubEditor extends StringEditor {
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        public SubEditor() {
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            new Test6963811(1000L, true).run();
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        }
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    }
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}