1 /*
   2  * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
   3  *
   4  * This code is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License version 2 only, as
   6  * published by the Free Software Foundation.
   7  *
   8  * This code is distributed in the hope that it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11  * version 2 for more details (a copy is included in the LICENSE file that
  12  * accompanied this code).
  13  *
  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 /**
  25  * @test TestThreadFailure
  26  * @summary Test OOME in separate thread is recoverable
  27  * @key gc
  28  * @requires vm.gc.Shenandoah & !vm.graal.enabled
  29  * @library /test/lib
  30  * @run main TestThreadFailure
  31  */
  32 
  33 import java.util.*;
  34 
  35 import jdk.test.lib.process.OutputAnalyzer;
  36 import jdk.test.lib.process.ProcessTools;
  37 
  38 public class TestThreadFailure {
  39 
  40     static final int SIZE = 1024;
  41     static final int COUNT = 16;
  42 
  43     static class NastyThread extends Thread {
  44         @Override
  45         public void run() {
  46             List<Object> root = new ArrayList<Object>();
  47             while (true) {
  48                 root.add(new Object[SIZE]);
  49             }
  50         }
  51     }
  52 
  53     public static void main(String[] args) throws Exception {
  54         if (args.length > 0) {
  55             for (int t = 0; t < COUNT; t++) {
  56                 Thread thread = new NastyThread();
  57                 thread.start();
  58                 thread.join();
  59             }
  60             System.out.println("All good");
  61             return;
  62         }
  63 
  64         {
  65             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  66                     "-Xmx64m",
  67                     "-XX:+UnlockExperimentalVMOptions",
  68                     "-XX:+UseShenandoahGC",
  69                     TestThreadFailure.class.getName(),
  70                     "test");
  71 
  72             OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
  73             analyzer.shouldHaveExitValue(0);
  74             analyzer.shouldContain("java.lang.OutOfMemoryError");
  75             analyzer.shouldContain("All good");
  76         }
  77     }
  78 }