1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. 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  * @test
  26  * @bug 8178536 
  27  * @summary Service Thread should not consume CPU cycles in the event of an OOME
  28  * @library /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @run main/timeout=350 ServiceThreadTest
  32  */
  33 
  34 import jdk.test.lib.process.ProcessTools;
  35 import jdk.test.lib.process.OutputAnalyzer;
  36 
  37 public class ServiceThreadTest {
  38     public static void main(String[] args) throws Exception {
  39         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xmx4m", "ServiceThread");
  40         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  41         System.out.println(output.getOutput());
  42         output.shouldContain("Test Passed");
  43         output.shouldHaveExitValue(0);
  44     }
  45 }
  46 
  47