1 /*
   2  * Copyright (c) 2017 Red Hat, Inc. and/or its affiliates.
   3  *
   4  * This code is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License version 2 only, as
   6  * published by the Free Software Foundation.
   7  *
   8  * This code is distributed in the hope that it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11  * version 2 for more details (a copy is included in the LICENSE file that
  12  * accompanied this code).
  13  *
  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 /*
  25  * @test TestHeuristicsUnlock
  26  * @summary Test that Shenandoah heuristics are unlocked properly
  27  * @key gc
  28  * @library /testlibrary
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @run driver TestHeuristicsUnlock
  32  */
  33 
  34 import com.oracle.java.testlibrary.*;
  35 
  36 public class TestHeuristicsUnlock {
  37 
  38     enum Mode {
  39         PRODUCT,
  40         DIAGNOSTIC,
  41         EXPERIMENTAL,
  42     }
  43 
  44     public static void main(String[] args) throws Exception {
  45         testWith("adaptive",        Mode.PRODUCT);
  46         testWith("static",          Mode.PRODUCT);
  47         testWith("compact",         Mode.PRODUCT);
  48 
  49         testWith("aggressive",      Mode.DIAGNOSTIC);
  50         testWith("passive",         Mode.DIAGNOSTIC);
  51     }
  52 
  53     private static void testWith(String h, Mode mode) throws Exception {
  54         {
  55             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  56                                     "-XX:+UseShenandoahGC",
  57                                     "-XX:-UnlockDiagnosticVMOptions",
  58                                     "-XX:-UnlockExperimentalVMOptions",
  59                                     "-XX:ShenandoahGCHeuristics=" + h,
  60                                     "-version"
  61             );
  62             OutputAnalyzer output = new OutputAnalyzer(pb.start());
  63             switch (mode) {
  64                 case PRODUCT:
  65                     output.shouldHaveExitValue(0);
  66                     break;
  67                 case DIAGNOSTIC:
  68                 case EXPERIMENTAL:
  69                     output.shouldHaveExitValue(1);
  70                     break;
  71             }
  72         }
  73 
  74         {
  75             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  76                                     "-XX:+UseShenandoahGC",
  77                                     "-XX:+UnlockDiagnosticVMOptions",
  78                                     "-XX:-UnlockExperimentalVMOptions",
  79                                     "-XX:ShenandoahGCHeuristics=" + h,
  80                                     "-version"
  81             );
  82             OutputAnalyzer output = new OutputAnalyzer(pb.start());
  83             switch (mode) {
  84                 case PRODUCT:
  85                 case DIAGNOSTIC:
  86                     output.shouldHaveExitValue(0);
  87                     break;
  88                 case EXPERIMENTAL:
  89                     output.shouldHaveExitValue(1);
  90                     break;
  91             }
  92         }
  93 
  94         {
  95             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  96                                     "-XX:+UseShenandoahGC",
  97                                     "-XX:-UnlockDiagnosticVMOptions",
  98                                     "-XX:+UnlockExperimentalVMOptions",
  99                                     "-XX:ShenandoahGCHeuristics=" + h,
 100                                     "-version"
 101             );
 102             OutputAnalyzer output = new OutputAnalyzer(pb.start());
 103             switch (mode) {
 104                 case PRODUCT:
 105                 case EXPERIMENTAL:
 106                     output.shouldHaveExitValue(0);
 107                     break;
 108                 case DIAGNOSTIC:
 109                     output.shouldHaveExitValue(1);
 110                     break;
 111             }
 112         }
 113     }
 114 
 115 }