1 /*
   2  * Copyright (c) 2016, 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 8149991
  27  * @requires (sun.arch.data.model == "64")
  28  * @summary -Xlog:gc+heap+coops=info should have output from the code
  29  * @library /testlibrary
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @build jdk.test.lib.OutputAnalyzer jdk.test.lib.Platform jdk.test.lib.ProcessTools
  33  * @run driver CompressedOopsTest
  34  */
  35 
  36 import jdk.test.lib.OutputAnalyzer;
  37 import jdk.test.lib.Platform;
  38 import jdk.test.lib.ProcessTools;
  39 
  40 public class CompressedOopsTest {
  41     static void analyzeOutputOn(ProcessBuilder pb) throws Exception {
  42         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  43         output.shouldContain("[gc,heap,coops] Heap address");
  44         output.shouldHaveExitValue(0);
  45     }
  46 
  47     static void analyzeOutputOff(ProcessBuilder pb) throws Exception {
  48         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  49         output.shouldNotContain("[gc,heap,coops]");
  50         output.shouldHaveExitValue(0);
  51     }
  52 
  53     public static void main(String[] args) throws Exception {
  54         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseCompressedOops",
  55                                                    "-Xlog:gc+heap+coops=info",
  56                                                    InnerClass.class.getName());
  57         analyzeOutputOn(pb);
  58 
  59         pb = ProcessTools.createJavaProcessBuilder("-XX:+UseCompressedOops",
  60                                                    "-XX:+PrintCompressedOopsMode",
  61                                                    InnerClass.class.getName());
  62         analyzeOutputOn(pb);
  63 
  64         pb = ProcessTools.createJavaProcessBuilder("-XX:+UseCompressedOops",
  65                                                    "-XX:+PrintCompressedOopsMode",
  66                                                    "-Xlog:gc+heap+coops=off",
  67                                                    InnerClass.class.getName());
  68         analyzeOutputOff(pb);
  69 
  70         pb = ProcessTools.createJavaProcessBuilder("-XX:+UseCompressedOops",
  71                                                    "-Xlog:gc+heap+coops=info",
  72                                                    "-XX:-PrintCompressedOopsMode",
  73                                                    InnerClass.class.getName());
  74         analyzeOutputOff(pb);
  75     }
  76 
  77     public static class InnerClass {
  78         public static void main(String[] args) throws Exception {
  79             System.out.println("Compressed Oops (gc+heap+coops) test");
  80         }
  81     }
  82 }