99 lines
3.3 KiB
Java
99 lines
3.3 KiB
Java
/*
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* Copyright (c) 2019, 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 8231387
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* @library ../testlibrary
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* @summary make sure getService() avoids a race
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* @author Tianmin Shi
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*/
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import java.security.Provider;
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public class GetServiceRace {
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private static final Provider testProvider;
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static {
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testProvider = new Provider("MyProvider", 1.0, "test") {
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};
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testProvider.put("CertificateFactory.Fixed", "MyCertificateFactory");
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}
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private static final int NUMBER_OF_RETRIEVERS = 3;
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private static final int TEST_TIME_MS = 1000;
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public static boolean testFailed = false;
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public static void main(String[] args) throws Exception {
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Updater updater = new Updater();
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updater.start();
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Retriever [] retrievers = new Retriever[NUMBER_OF_RETRIEVERS];
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for (int i=0; i<retrievers.length; i++) {
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retrievers[i] = new Retriever();
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retrievers[i].start();
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}
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Thread.sleep(TEST_TIME_MS);
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System.out.println("Interrupt");
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updater.interrupt();
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updater.join();
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for (int i=0; i<retrievers.length; i++) {
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retrievers[i].interrupt();
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retrievers[i].join();
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}
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System.out.println("Done");
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if (testFailed) {
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throw new Exception("Test Failed");
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}
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System.out.println("Test Passed");
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}
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private static class Updater extends Thread {
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@Override
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public void run() {
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while (!isInterrupted()) {
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testProvider.put("CertificateFactory.Added", "MyCertificateFactory");
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}
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System.out.println("Updater stopped");
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}
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}
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private static class Retriever extends Thread {
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@Override
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public void run() {
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while (!isInterrupted()) {
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Provider.Service service = testProvider.getService("CertificateFactory", "Fixed");
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if (service == null) {
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if (!testFailed) {
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System.err.println("CertificateFactory.Fixed is NULL");
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testFailed = true;
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}
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} else {
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//System.out.println("CertificateFactory.Fixed is good");
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}
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}
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System.out.println("Retriever stopped");
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}
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}
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}
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