1 /*
 2  * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 /**
26  * @test
27  * @summary Test OOME in separate thread is recoverable
28  * @requires vm.gc.Shenandoah
29  * @library /test/lib
30  * @run driver 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                     "-Xmx32m",
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 }