1 /*
 2  * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
 3  * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
 4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 5  *
 6  * This code is free software; you can redistribute it and/or modify it
 7  * under the terms of the GNU General Public License version 2 only, as
 8  * published by the Free Software Foundation.
 9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  * or visit www.oracle.com if you need additional information or have any
22  * questions.
23  *
24  */
25 
26 /**
27  * @test
28  * @summary Test OOME in separate thread is recoverable
29  * @requires vm.gc.Shenandoah
30  * @library /test/lib
31  * @run driver TestThreadFailure
32  */
33 
34 import java.util.*;
35 
36 import jdk.test.lib.process.OutputAnalyzer;
37 import jdk.test.lib.process.ProcessTools;
38 
39 public class TestThreadFailure {
40 
41     static final int SIZE = 1024;
42     static final int COUNT = 16;
43 
44     static class NastyThread extends Thread {
45         @Override
46         public void run() {
47             List<Object> root = new ArrayList<Object>();
48             while (true) {
49                 root.add(new Object[SIZE]);
50             }
51         }
52     }
53 
54     public static void main(String[] args) throws Exception {
55         if (args.length > 0) {
56             for (int t = 0; t < COUNT; t++) {
57                 Thread thread = new NastyThread();
58                 thread.start();
59                 thread.join();
60             }
61             System.out.println("All good");
62             return;
63         }
64 
65         {
66             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
67                     "-Xmx32m",
68                     "-XX:+UnlockExperimentalVMOptions",
69                     "-XX:+UseShenandoahGC",
70                     TestThreadFailure.class.getName(),
71                     "test");
72 
73             OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
74             analyzer.shouldHaveExitValue(0);
75             analyzer.shouldContain("java.lang.OutOfMemoryError");
76             analyzer.shouldContain("All good");
77         }
78 
79         {
80             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
81                     "-Xmx32m",
82                     "-XX:+UnlockExperimentalVMOptions",
83                     "-XX:+UseShenandoahGC", "-XX:ShenandoahGCMode=generational",
84                     TestThreadFailure.class.getName(),
85                     "test");
86 
87             OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
88             analyzer.shouldHaveExitValue(0);
89             analyzer.shouldContain("java.lang.OutOfMemoryError");
90             analyzer.shouldContain("All good");
91         }
92     }
93 }