1 /*
  2  * Copyright (c) 2020, 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 that Shenandoah modes are unlocked properly
 29  * @requires vm.gc.Shenandoah
 30  * @library /test/lib
 31  * @modules java.base/jdk.internal.misc
 32  *          java.management
 33  * @run driver TestModeUnlock
 34  */
 35 
 36 import jdk.test.lib.process.ProcessTools;
 37 import jdk.test.lib.process.OutputAnalyzer;
 38 
 39 public class TestModeUnlock {
 40 
 41     enum Mode {
 42         PRODUCT,
 43         DIAGNOSTIC,
 44         EXPERIMENTAL,
 45     }
 46 
 47     public static void main(String[] args) throws Exception {
 48         testWith("-XX:ShenandoahGCMode=satb",         Mode.PRODUCT);
 49         testWith("-XX:ShenandoahGCMode=iu",           Mode.EXPERIMENTAL);
 50         testWith("-XX:ShenandoahGCMode=passive",      Mode.DIAGNOSTIC);
 51         testWith("-XX:ShenandoahGCMode=generational", Mode.EXPERIMENTAL);
 52     }
 53 
 54     private static void testWith(String h, Mode mode) throws Exception {
 55         {
 56             ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
 57                     "-Xmx128m",
 58                     "-XX:-UnlockDiagnosticVMOptions",
 59                     "-XX:-UnlockExperimentalVMOptions",
 60                     "-XX:+UseShenandoahGC",
 61                     h,
 62                     "-version"
 63             );
 64             OutputAnalyzer output = new OutputAnalyzer(pb.start());
 65             switch (mode) {
 66                 case PRODUCT:
 67                     output.shouldHaveExitValue(0);
 68                     break;
 69                 case DIAGNOSTIC:
 70                 case EXPERIMENTAL:
 71                     output.shouldNotHaveExitValue(0);
 72                     break;
 73             }
 74         }
 75 
 76         {
 77             ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
 78                     "-Xmx128m",
 79                     "-XX:+UnlockDiagnosticVMOptions",
 80                     "-XX:-UnlockExperimentalVMOptions",
 81                     "-XX:+UseShenandoahGC",
 82                     h,
 83                     "-version"
 84             );
 85             OutputAnalyzer output = new OutputAnalyzer(pb.start());
 86             switch (mode) {
 87                 case PRODUCT:
 88                 case DIAGNOSTIC:
 89                     output.shouldHaveExitValue(0);
 90                     break;
 91                 case EXPERIMENTAL:
 92                     output.shouldNotHaveExitValue(0);
 93                     break;
 94             }
 95         }
 96 
 97         {
 98             ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
 99                     "-Xmx128m",
100                     "-XX:-UnlockDiagnosticVMOptions",
101                     "-XX:+UnlockExperimentalVMOptions",
102                     "-XX:+UseShenandoahGC",
103                     h,
104                     "-version"
105             );
106             OutputAnalyzer output = new OutputAnalyzer(pb.start());
107             switch (mode) {
108                 case PRODUCT:
109                 case EXPERIMENTAL:
110                     output.shouldHaveExitValue(0);
111                     break;
112                 case DIAGNOSTIC:
113                     output.shouldNotHaveExitValue(0);
114                     break;
115             }
116         }
117     }
118 
119 }
--- EOF ---