84 lines
3.0 KiB
Java
84 lines
3.0 KiB
Java
/*
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* Copyright (c) 2016, 2020, 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 java.util.Arrays;
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import jdk.test.lib.JDKToolLauncher;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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import utils.Utils;
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import java.util.concurrent.CountDownLatch;
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/*
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* @test JstackThreadTest
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* @bug 8151442
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* @summary jstack doesn't close quotation marks properly with threads' name greater than 1996 characters
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* @modules java.base/jdk.internal.misc
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* @library /test/lib
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* @run main JstackThreadTest
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*/
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public class JstackThreadTest {
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static class NamedThread extends Thread {
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CountDownLatch latch;
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NamedThread(String name, CountDownLatch latch) {
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this.latch = latch;
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setName(name);
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}
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@Override
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public void run() {
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latch.countDown();
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Utils.sleep();
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}
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}
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public static void main(String[] args) throws Exception {
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StringBuilder sb = new StringBuilder();
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/*create a string more than 1996 character */
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for(int i = 0; i < 1998; i++){
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sb.append("a");
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}
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testWithName(sb.toString());
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}
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private static void testWithName(String name) throws Exception {
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//parent thread countDown latch
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CountDownLatch latch = new CountDownLatch(1);
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// Start a thread with a long thread name
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NamedThread thread = new NamedThread(name, latch);
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thread.setDaemon(true);
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thread.start();
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ProcessBuilder processBuilder = new ProcessBuilder();
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JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jstack");
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launcher.addVMArgs(jdk.test.lib.Utils.getTestJavaOpts());
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launcher.addToolArg("-l");
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launcher.addToolArg(Long.toString(ProcessTools.getProcessId()));
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processBuilder.command(launcher.getCommand());
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System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", ""));
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// Ensuring that Jstack will always run after NamedThread
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latch.await();
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OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
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System.out.println(output.getOutput());
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output.shouldContain("\""+ name + "\"");
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}
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}
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