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test/hotspot/jtreg/gc/shenandoah/options/TestModeUnlock.java

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  1 /*
  2  * Copyright (c) 2020, Red Hat, Inc. 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  *

 27  * @summary Test that Shenandoah modes are unlocked properly
 28  * @requires vm.gc.Shenandoah
 29  * @library /test/lib
 30  * @modules java.base/jdk.internal.misc
 31  *          java.management
 32  * @run driver TestModeUnlock
 33  */
 34 
 35 import jdk.test.lib.process.ProcessTools;
 36 import jdk.test.lib.process.OutputAnalyzer;
 37 
 38 public class TestModeUnlock {
 39 
 40     enum Mode {
 41         PRODUCT,
 42         DIAGNOSTIC,
 43         EXPERIMENTAL,
 44     }
 45 
 46     public static void main(String[] args) throws Exception {
 47         testWith("-XX:ShenandoahGCMode=satb",    Mode.PRODUCT);
 48         testWith("-XX:ShenandoahGCMode=iu",      Mode.EXPERIMENTAL);
 49         testWith("-XX:ShenandoahGCMode=passive", Mode.DIAGNOSTIC);

 50     }
 51 
 52     private static void testWith(String h, Mode mode) throws Exception {
 53         {
 54             OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
 55                     "-Xmx128m",
 56                     "-XX:-UnlockDiagnosticVMOptions",
 57                     "-XX:-UnlockExperimentalVMOptions",
 58                     "-XX:+UseShenandoahGC",
 59                     h,
 60                     "-version"
 61             );
 62             switch (mode) {
 63                 case PRODUCT:
 64                     output.shouldHaveExitValue(0);
 65                     break;
 66                 case DIAGNOSTIC:
 67                 case EXPERIMENTAL:
 68                     output.shouldNotHaveExitValue(0);
 69                     break;

  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  *

 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             OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
 57                     "-Xmx128m",
 58                     "-XX:-UnlockDiagnosticVMOptions",
 59                     "-XX:-UnlockExperimentalVMOptions",
 60                     "-XX:+UseShenandoahGC",
 61                     h,
 62                     "-version"
 63             );
 64             switch (mode) {
 65                 case PRODUCT:
 66                     output.shouldHaveExitValue(0);
 67                     break;
 68                 case DIAGNOSTIC:
 69                 case EXPERIMENTAL:
 70                     output.shouldNotHaveExitValue(0);
 71                     break;
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