1 /*
 2  * Copyright (c) 2018, 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  *
23  */
24 
25 /* @test
26  * @summary Test that disabling wrong barriers fails early
27  * @requires vm.gc.Shenandoah
28  * @library /test/lib
29  * @run driver TestWrongBarrierDisable
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 TestWrongBarrierDisable {
38 
39     public static void main(String[] args) throws Exception {
40         String[] concurrent = {
41                 "ShenandoahLoadRefBarrier",
42                 "ShenandoahSATBBarrier",
43                 "ShenandoahCASBarrier",
44                 "ShenandoahCloneBarrier",
45                 "ShenandoahStackWatermarkBarrier",
46         };
47 
48         String[] generational = {
49                 "ShenandoahCardBarrier"
50         };
51 
52         shouldFailAll("-XX:ShenandoahGCHeuristics=adaptive",   concurrent);
53         shouldFailAll("-XX:ShenandoahGCHeuristics=static",     concurrent);
54         shouldFailAll("-XX:ShenandoahGCHeuristics=compact",    concurrent);
55         shouldFailAll("-XX:ShenandoahGCHeuristics=aggressive", concurrent);
56         shouldPassAll("-XX:ShenandoahGCMode=passive",          concurrent);
57         shouldPassAll("-XX:ShenandoahGCMode=passive",          generational);
58         shouldPassAll("-XX:ShenandoahGCMode=satb",             generational);
59         shouldFailAll("-XX:ShenandoahGCMode=generational",     generational);
60     }
61 
62     private static void shouldFailAll(String h, String[] barriers) throws Exception {
63         for (String b : barriers) {
64             OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
65                     "-Xmx128m",
66                     "-XX:+UnlockDiagnosticVMOptions",
67                     "-XX:+UnlockExperimentalVMOptions",
68                     "-XX:+UseShenandoahGC",
69                     h,
70                     "-XX:-" + b,
71                     "-version"
72             );
73             output.shouldNotHaveExitValue(0);
74             output.shouldContain("GC mode needs ");
75             output.shouldContain("to work correctly");
76         }
77     }
78 
79     private static void shouldPassAll(String h, String[] barriers) throws Exception {
80         for (String b : barriers) {
81             OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
82                     "-Xmx128m",
83                     "-XX:+UnlockDiagnosticVMOptions",
84                     "-XX:+UnlockExperimentalVMOptions",
85                     "-XX:+UseShenandoahGC",
86                     h,
87                     "-XX:-" + b,
88                     "-version"
89             );
90             output.shouldHaveExitValue(0);
91         }
92     }
93 
94 }
--- EOF ---