1 /*
   2  * Copyright (c) 2014, 2015, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 import jdk.testlibrary.OutputAnalyzer;
  27 import static jdk.testlibrary.Asserts.assertTrue;
  28 
  29 /**
  30  * @test
  31  * @summary The test sanity checks functionality of 'jinfo', 'jinfo -sysprops' and 'jinfo -flags'
  32  * @library /lib/testlibrary
  33  * @modules java.management
  34  * @build jdk.testlibrary.* JInfoHelper
  35  * @run main/othervm -XX:+HeapDumpOnOutOfMemoryError JInfoRunningProcessTest
  36  */
  37 public class JInfoRunningProcessTest {
  38 
  39     public static void main(String[] args) throws Exception {
  40         testNoOptions();
  41         testSysprops();
  42         testFlags();
  43     }
  44 
  45     private static void testNoOptions() throws Exception {
  46         OutputAnalyzer output = JInfoHelper.jinfo();
  47         output.shouldHaveExitValue(0);
  48         assertTrue(output.getStderr().isEmpty(), "'jinfo' stderr should be empty");
  49         output.shouldContain("+HeapDumpOnOutOfMemoryError");
  50     }
  51 
  52     private static void testSysprops() throws Exception {
  53         OutputAnalyzer output = JInfoHelper.jinfo("-sysprops");
  54         output.shouldHaveExitValue(0);
  55         assertTrue(output.getStderr().isEmpty(), "'jinfo -sysprops' stderr should be empty");
  56     }
  57 
  58     private static void testFlags() throws Exception {
  59         OutputAnalyzer output = JInfoHelper.jinfo("-flags");
  60         output.shouldHaveExitValue(0);
  61         assertTrue(output.getStderr().isEmpty(), "'jinfo -flags' stderr should be empty");
  62         output.shouldContain("+HeapDumpOnOutOfMemoryError");
  63     }
  64 
  65 }