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  * @library /testlibrary
  29  *
  30  * @run main/timeout=480 TestThreadFailure
  31  */
  32 
  33 import java.util.*;
  34 import com.oracle.java.testlibrary.*;
  35 
  36 public class TestThreadFailure {
  37 
  38     static final int SIZE = 1024;
  39     static final int COUNT = 16;
  40 
  41     static class NastyThread extends Thread {
  42         @Override
  43         public void run() {
  44             List<Object> root = new ArrayList<Object>();
  45             while (true) {
  46                 root.add(new Object[SIZE]);
  47             }
  48         }
  49     }
  50 
  51     public static void main(String[] args) throws Exception {
  52         if (args.length > 0) {
  53             for (int t = 0; t < COUNT; t++) {
  54                 Thread thread = new NastyThread();
  55                 thread.start();
  56                 thread.join();
  57             }
  58             System.out.println("All good");
  59             return;
  60         }
  61 
  62         {
  63             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  64                     "-Xmx32m",
  65                     "-XX:+UnlockExperimentalVMOptions",
  66                     "-XX:+UseShenandoahGC",
  67                     TestThreadFailure.class.getName(),
  68                     "test");
  69 
  70             OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
  71             analyzer.shouldHaveExitValue(0);
  72             analyzer.shouldContain("java.lang.OutOfMemoryError");
  73             analyzer.shouldContain("All good");
  74         }
  75     }
  76 }