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
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23  */
24 
25 /* @test
26  * @summary Test that SATB barrier may be enabled for all modes
27  * @requires vm.gc.Shenandoah
28  * @library /test/lib
29  * @run driver TestWrongBarrierEnable
30  */
31 
32 import java.util.*;
33 
34 import jdk.test.lib.process.ProcessTools;
35 import jdk.test.lib.process.OutputAnalyzer;
36 
37 public class TestWrongBarrierEnable {
38 
39     public static void main(String[] args) throws Exception {
40         String[] concurrent = {
41                 "ShenandoahSATBBarrier",
42         };
43         shouldPassAll("-XX:ShenandoahGCHeuristics=adaptive",   concurrent);
44         shouldPassAll("-XX:ShenandoahGCHeuristics=static",     concurrent);
45         shouldPassAll("-XX:ShenandoahGCHeuristics=compact",    concurrent);
46         shouldPassAll("-XX:ShenandoahGCHeuristics=aggressive", concurrent);
47         shouldPassAll("-XX:ShenandoahGCMode=passive",          concurrent);
48     }
49 
50     private static void shouldFailAll(String h, String[] barriers) throws Exception {
51         for (String b : barriers) {
52             OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
53                     "-Xmx128m",
54                     "-XX:+UnlockDiagnosticVMOptions",
55                     "-XX:+UnlockExperimentalVMOptions",
56                     "-XX:+UseShenandoahGC",
57                     h,
58                     "-XX:+" + b,
59                     "-version"
60             );
61             output.shouldNotHaveExitValue(0);
62             output.shouldContain("GC mode needs ");
63             output.shouldContain("to work correctly");
64         }
65     }
66 
67     private static void shouldPassAll(String h, String[] barriers) throws Exception {
68         for (String b : barriers) {
69             OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
70                     "-Xmx128m",
71                     "-XX:+UnlockDiagnosticVMOptions",
72                     "-XX:+UnlockExperimentalVMOptions",
73                     "-XX:+UseShenandoahGC",
74                     h,
75                     "-XX:+" + b,
76                     "-version"
77             );
78             output.shouldHaveExitValue(0);
79         }
80     }
81 
82 }